list of publications

Publications – Dr. Mikko Valkama

April 11, 2016 / MV

Personal Data

Date and Place of Birth: November 27, 1975, Pirkkala, Finland

E-mail: mikko.e.valkama@tut.fi

Publications / A

(Books and book chapters)

[B1] M. Valkama, “RF Impairment Compensation for Future Radio Systems”, Chapter 15 in G. Hueber and R. B.

Staszewski, Eds., Multi-Mode/Multi-Band RF Transceivers for Wireless Communications: Advanced Techniques,

Architectures, and Trends . U.K.: Wiley/IEEE Press, 2010.

[B2] M. Valkama, J. Marttila, and M. Allén, “Advanced Quadrature Sigma-Delta Modulator Designs for A/D

Interface,” Chapter 14 in F.-L. Luo, Ed., Digital Front-End in Wireless Communication and Broadcasting:

Circuits and Signal Processing . Cambridge University Press, 2011.

[B3] M. Valkama, M. Allén, and J. Marttila, “Digital Suppression of A/D Interface Nonlinearities,” Chapter 15 in F.-L.

Luo, Ed., Digital Front-End in Wireless Communication and Broadcasting: Circuits and Signal Processing .

Cambridge University Press, 2011.

[B4] M. Valkama, L. Anttila, and Y. Zou, “Digital Compensation and Calibration of I/Q Gain and Phase Imbalances,”

Chapter 16 in F.-L. Luo, Ed., Digital Front-End in Wireless Communication and Broadcasting: Circuits and

Signal Processing . Cambridge University Press, 2011.

[B5] L. Anttila and M. Valkama, “Joint Digital Predistortion of I/Q Modulator and Power Amplifier Impairments,”

Chapter 17 in F.-L. Luo, Ed., Digital Front-End in Wireless Communication and Broadcasting: Circuits and

Signal Processing . Cambridge University Press, 2011.

[B6] M. Valkama, V. Syrjälä, R. Wichman, and P. Mathecken, “Impact and Digital Suppression of Oscillator Phase

Noise in Radio Communications,” Chapter 5 in A. Georgiadis, et al.

, Eds., Microwave and Millimeter Wave

Circuits and Systems , Wiley, 2012.

[B7] M. Juntti, M. Renfors and M. Valkama, “Signal Processing for Wireless Transceivers,” Chapter 6 in S.S.

Bhattacharyya, et al.

, Eds., Handbook of Signal Processing Systems, 2nd Ed., Springer, 2013.

[B8] T. Levanen, J. Pirskanen and M. Valkama, “Low-Latency Radio Interface Perspectives for Small-Cell 5G

Networks,” Chapter 13 in R. Vannithamby and S. Talwar, Eds., Towards 5G: Applications, Requirements &

Candidate Technologies , Wiley, 2015, in press.

[B9] K. Haneda, M. Valkama, T. Riihonen, E. Antonio-Rodriguez and D. Korpi, “Design and Implementation of Full-

Duplex Transceivers,” Chapter 17 in F.-L. Luo and C. Zhang, Eds., Signal Processing for 5G: Algorithms and

Implementations , Wiley, 2016, in press.

Publications / B

(Articles in international scientific journals with referee practice)

[J1] M. Valkama, M. Renfors, and V. Koivunen, “Advanced methods for I/Q imbalance compensation in communication receivers,” IEEE Trans. Signal Processing , vol. 49, pp. 2335-2344, Oct. 2001.

[J2] M. Valkama, J. Pirskanen, and M. Renfors, “Signal processing challenges for applying software radio principles in future wireless terminals: An overview,” Int. Journal of Communication Systems , vol. 15, pp. 741-769, Oct.

2002.

[J3] M. Valkama and M. Renfors, “A novel image rejection architecture for quadrature radio receivers,” IEEE Trans.

Circuits and Systems II , vol. 51, pp. 61-68, Feb. 2004.

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Publications, Dr. Mikko Valkama, mikko.e.valkama@tut.fi

[J4] M. Valkama, M. Renfors, and V. Koivunen, “Blind I/Q signal separation -based solutions for receiver signal processing,” EURASIP Journal on Applied Signal Processing (Special Issue on DSP Enabled Radios), vol. 2005, no. 16, pp. 2708-2718, Sept. 2005.

[J5] M. Valkama, M. Renfors, and V. Koivunen, “Blind signal estimation in conjugate signal models with application to I/Q imbalance compensation,” IEEE Signal Processing Lett. , vol. 12, pp. 733-736, Nov. 2005.

[J6] M. Valkama, A. Shahed, L. Anttila, and M. Renfors, “Advanced digital signal processing techniques for compensation of nonlinear distortion in wideband multicarrier radio receivers,” IEEE Trans. Microwave Theory and Techniques , vol. 54, pp. 2356-2366, June 2006.

[J7] Y. Zou, M. Valkama, and M. Renfors, “Analysis and compensation of transmitter and receiver I/Q imbalances in space-time coded multiantenna OFDM systems,” EURASIP Journal on Wireless Communications Networks

(Special Issue on Multicarrier Techniques), 2007, Article ID 391025, 16 pages.

[J8] L. Anttila, M. Valkama, and M. Renfors, “Frequency-selective I/Q mismatch calibration of wideband directconversion transmitters,” IEEE Trans. Circuits and Systems II (Special Issue on Multifunctional Circuits and

Systems for Future Generations of Wireless Communications), vol. 55, pp. 359-363, Apr. 2008.

[J9] P. Rykaczewski, M. Valkama, and M. Renfors, “On the connection of I/Q imbalance and channel equalization in direct-conversion transceivers,” IEEE Trans. Vehicular Technology , vol. 57, pp. 1630-1636, May 2008.

[J10] Y. Zou, M. Valkama, and M. Renfors, “Digital compensation of I/Q imbalance effects in space-time coded transmit diversity systems,” IEEE Trans. Signal Processing , vol. 56, pp. 2496-2508, June 2008.

[J11] L. Anttila, M. Valkama, and M. Renfors, “Circularity-based I/Q imbalance compensation in wideband directconversion receivers,” IEEE Trans. Vehicular Technology , vol. 57, pp. 2099-2113, July 2008.

[J12] G. Hueber, Y. Zou, K. Dufrene, R. Stuhlberger, and M. Valkama, “Smart front-end signal processing for advanced wireless receivers,” IEEE J. Selected Topics in Signal Processing (Special Issue on DSP Techniques for

RF/Analog Circuit Impairments), vol. 3, pp. 472-487, June 2009.

[J13] S. Nonchev and M. Valkama, “A new fairness-oriented packet scheduling scheme with reduced channel feedback for OFDMA packet radio systems,” Int. J. Communications, Network and System Sciences , vol. 2, pp. 608-618,

Oct. 2009.

[J14] S. Nonchev and M. Valkama, “Efficient packet scheduling schemes with built-in fairness control for multiantenna packet radio systems,” Int. J. Advances in Networks and Services , vol. 2, pp. 182-194, 2009.

[J15] V. Syrjälä and M. Valkama, “Analysis and mitigation of phase noise and sampling jitter in OFDM radio receivers,” Int. J. Microwave and Wireless Technologies , vol. 2, pp 193-202, April 2010.

[J16] L. Anttila, P. Händel, and M. Valkama, “Joint mitigation of power amplifier and I/Q modulator impairments in broadband direct-conversion transmitters,” IEEE Trans. Microwave Theory and Techniques , vol. 58, pp.730-739,

April 2010.

[J17] M. Allen, J. Marttila and M. Valkama, “Modeling and mitigation of nonlinear distortion in wideband A/D converters for cognitive radio receivers,” Int. J. Microwave and Wireless Technologies , vol. 2, pp 183-192, April

2010.

[J18] L. Anttila, P. Händel, O. Mylläri, and M. Valkama, “Recursive learning based joint digital predistorter for power amplifier and I/Q modulator impairments,” Int. J. Microwave and Wireless Technologies , vol. 2, pp 173-182, July

2010.

[J19] S. Nonchev and M. Valkama, “Advanced radio resource management for multiantenna packet radio systems,” Int.

J. Wireless and Mobile Networks , vol. 2, pp. 1-14, May 2010.

[J20] E. Pérez Serna, S. Thombre, M. Valkama, S. Lohan, V. Syrjälä, M. Detratti, H. Hurskainen, and J. Nurmi, “Local oscillator phase noise effects on GNSS code tracking,” Inside GNSS Journal , Nov.-Dec. 2010.

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[J21] J. Marttila, M. Allen, and M. Valkama, “Quadrature sigma-delta modulators for cognitive radio – I/Q imbalance analysis and complex multiband principle,” Int. Journal on Circuits, Systems and Signal Processing (Special Issue on Embedded Signal Processing Circuits and Systems for Cognitive Radio-based Wireless Communication

Devices), vol. 30, no. 4, pp. 775-797, 2011.

[J22] Y. Fan and M. Valkama, “Efficient control channel resource allocation for VoIP in OFDMA-based packet radio networks,” EURASIP Journal Wireless Communications and Networking (Special issue in Multiple Access

Communications in Future-Generation Wireless Networks), Article ID 712658, doi: 10.1155/2011/712658, 11 pages, 2011.

[J23] Y. Fan and M. Valkama, “Efficient resource allocation for enhanced VoIP in UTRAN LTE downlink,” IEICE

Trans. Communications , vol.E94-B, pp.2238-2337, Aug. 2011.

[J24] Y. Fan and M. Valkama, “Enhanced VoIP support in OFDMA-based packet radio networks,” Wireless Personal

Communications , doi: 10.1007/s11277-011-0345-0, 2011.

[J25] J. Marttila, M. Allen, and M. Valkama, “Multi-stage quadrature sigma-delta modulators for reconfigurable multiband analog-digital interface in cognitive radio devices,” EURASIP Journal Wireless Communications and

Networking (Special Issue on Ten Years of Cognitive Radio: State of the Art and Perspectives), vol. 2011,

2011:130, doi:10.1186/1687-1499-2011-130,

[J26] A. Shahed, M. Valkama, S. Burglechner, A. Springer, and G. Hueber, “Implementation and performance of DSPoriented feedforward power amplifier linearizer,” IEEE Trans. Circuits Syst. I , vol. 59, pp. 409-425, Feb. 2012.

[J27] A. Gokceoglu, A. Shahed, and M. Valkama, “Steady-state performance analysis and step-size selection for LMSadaptive wideband feedforward power amplifier linearizer,” IEEE Trans. Signal Processing , vol. 60, pp. 82-99,

Jan. 2012.

[J28] A. Kiayani, L. Anttila, Y. Zou and M. Valkama, “Advanced receiver design for mitigating multiple RF impairments in OFDM systems: Algorithms and RF measurements,” Journal of Electrical and Computer

Engineering , vol. 2012, Article ID 730537, 16 pages, 2012. doi:10.1155/2012/730537.

[J29] M. Allen, J. Marttila and M. Valkama, “Iterative signal processing for mitigation of analog-to-digital converter clipping distortion in multiband OFDMA receivers,” Journal of Electrical and Computer Engineering , vol. 2012,

Article ID 532560, 16 pages, 2012. doi:10.1155/2012/532560.

[J30] N. N. Tchamov, V. Syrjälä, J. Rinne, M. Valkama, Y. Zou, and M. Renfors, “System- and circuit-level optimization of PLL designs for DVB-T/H receivers,” Analog Integrated Circuits and Signal Processing , vol.

2012, 16 pages, doi: 10.1007/s10470-011-9823-2.

[J31] M. Zhou, Q. Cui, M. Valkama and X. Tao, “Energy-efficient resource allocation for OFDMA-based two-way relay channel with physical-layer network coding,” EURASIP Journal Wireless Communications and Networking , vol. 2012, 2012:66 doi:10.1186/1687-1499-2012-66.

[J32] P. Mathecken, T. Riihonen, N. N. Tchamov, S. Werner, M. Valkama and R. Wichman, “Characterization of

OFDM radio link under PLL-based oscillator phase noise and multipath fading channel”, IEEE Trans.

Communications , vol. 60, pp. 1479-1485, June 2012.

[J33] G. Vallant, M. Epp, M. Allen, M. Valkama, and F. Jondral, ”System-level mitigation of undersampling ADC nonlinearity for high-IF radio receivers,” Journal of RF/Microwave Engineering, Photonics and Communications , vol. 66, no. 9-10, pp. 311-319, Sept. 2012, doi: 10.1515/freq-2012-0053.

[J34] H. Määttänen, K. Hämäläinen, J. Venäläinen, K. Schober, M. Enescu, and M. Valkama, “System-level performance of LTE-Advanced with joint transmission and dynamic point selection schemes,” EURASIP Journal on Advances in Signal Processing , Nov. 2012, 2012:247, 18 pages. doi:10.1186/1687-6180-2012-247.

[J35] N. N. Tchamov, J. Rinne, A. Hazmi, M. Valkama, V. Syrjälä, and M. Renfors, “Enhanced algorithm for digital mitigation of ICI due to phase noise in OFDM receivers,” IEEE Wireless Communications Letters , vol.2, no.1, pp.

6-9, February 2013.

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[J36] L. Anttila and M. Valkama, “Blind signal estimation in widely-linear signal models with fourth-order circularity:

Algorithms and application to receiver I/Q calibration,” IEEE Signal Processing Letters , vol. 20, no.3, pp. 221-

224, March 2013.

[J37] Q. Cui, P.C. Kang, X.Q. Huang, M. Valkama, and J. Niemelä, ”Optimal power allocation for homogeneous and heterogeneous CA-MIMO systems,” Science China Information Sciences , 2013, vol. 56: 022316(14), pp. 123-

136, Feb. 2013, doi: 10.1007/s11432-012-4775-4.

[J38] J. Luo, A. Kortke, W. Keusgen, and M. Valkama, “A novel adaptive calibration scheme for frequency-selective

I/Q imbalance in broadband direct-conversion transmitters,” IEEE Trans. Circuits and Systems II , vol. 60, no.2, pp. 61-65, Feb. 2013.

[J39] A. Gokceoglu, Y. Zou, M. Valkama, P.C. Sofotasios, P. Mathecken, and D. Cabric, “Mutual information analysis of OFDM radio link under phase noise, IQ imbalance and frequency-selective fading channel,” IEEE Trans.

Wireless Communications , vol. 12, no. 6, pp. 3048-3059, June 2013.

[J40] A. Hakkarainen, J. Werner, K. Dandekar, and M. Valkama, “Widely-linear beamforming and RF impairment suppression in massive antenna arrays,” Journal of Communications and Networks , vol. 15, no. 4, pp. 383-397,

Aug. 2013.

[J41] S. F. Yunas, T. Isotalo, J. Niemelä and M. Valkama, “Impact of macrocellular network densification on the capacity, energy and cost efficiency in dense urban environment,” International Journal of Wireless & Mobile

Networks , vol. 5, no.5, pp. 99-118, Oct. 2013.

[J42] J. Marttila, M. Allen, and M. Valkama, “Frequency-agile multi-band quadrature sigma-delta modulator for cognitive radio: Analysis, design and digital post-processing,” IEEE Journal on Selected Areas in

Communications , vol. 31, no. 11, pp. 2222-2236, Nov. 2013.

[J43] S. Thombre, N.N. Tchamov, S. Lohan, M. Valkama, and J. Nurmi, “Effects of radio front-end PLL phase noise on

GNSS baseband correlation,” NAVIGATION, Journal of The Institute of Navigation , vol. 61, no. 1, 2014, pp. 13-

21 .

[J44] M. Grimm, M. Allén, J. Marttila, M. Valkama, and R. Thomä, “Joint mitigation of nonlinear RF and Baseband distortions in wideband direct-conversion receivers,” IEEE Trans. Microwave Theory and Techniques , vol. 62, no.

1, pp. 166-182, Jan. 2014.

[J45] A. Kiayani, L. Anttila, and M. Valkama, “Digital suppression of power amplifier spurious emissions at receiver band in FDD transceivers,” IEEE Signal Processing Letters , vol. 21, no. 1, pp. 69-73, Jan. 2014.

[J46] N. Y. Ermolova, Y. Zou, M. Valkama, O. Tirkkonen, “Error rate analysis of OFDM radio link over mobile

Rayleigh channel under multiple RF impairments,” IEEE Trans. Vehicular Technology , vol. 63, no. 2, pp. 930-

936, Feb. 2014.

[J47] A. Gokceoglu, S. Dikmese, M. Valkama, and M. Renfors, “Energy detection under IQ imbalance with singlechannel and multi-channel direct-conversion receiver: Analysis and mitigation,” IEEE Journal on Selected Areas in Communications , vol. 32, no. 3, pp. 411-424, March 2014.

[J48] J. Wang, J. Werner, M. Valkama, and D. Cabric, “Performance analysis of primary user RSS/DoA estimation and localization in cognitive radio networks using sectorized antennas,” IEEE Wireless Communications Letters , vol.

3, no. 2, pp. 237-240, April 2014.

[J49] A. Gokceoglu, Y. Zou, M. Valkama, and P.C. Sofotasios, “Multi-channel energy detection under phase noise:

Analysis and mitigation,” Mobile Networks and Applications , May 2014, DOI: 10.1007/s11036-014-0505-z.

[J50] V. Syrjälä, M. Valkama, L. Anttila, T. Riihonen, and D. Korpi, “Analysis of oscillator phase-noise effects on selfinterference cancellation in full-duplex OFDM radio transceivers,” IEEE Trans. Wireless Communications , vol.

13, no. 6, pp. 2977-2990, June 2014

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[J51] D. Korpi, T. Riihonen, V. Syrjälä, L. Anttila, M. Valkama, and R. Wichman, “Full-duplex transceiver system calculations: Analysis of ADC and linearity challenges,” IEEE Trans. Wireless Communications , vol. 13, no. 7, pp. 3821-3836, July 2014.

[J52] J. Luo, A. Kortke, W. Keusgen, and M. Valkama, “Efficient estimation and pilot-free online re-calibration of I/Q imbalance in broadband direct-conversion transmitters,” IEEE Trans. Vehicular Technology , vol. 63, no. 6, pp.

2506-2520, July 2014.

[J53] D. Korpi, L. Anttila, V. Syrjälä, and M. Valkama, “Widely-linear digital self-interference cancellation in directconversion full-duplex transceiver,” IEEE Journal on Selected Areas in Communications , vol. 32, no. 9, pp. 1674-

1687, Sept. 2014.

[J54] S. Thombre, J. Raasakka, T. Paakki, F. Della Rosa, M. Valkama, L. Ruotsalainen, H. Kuusniemi, and J. Nurmi,

“A PET project from Finland :Automating GNSS receiver testing,” GPS World , vol. 25, no. 3, pp. 45-50, 2014.

[J55] T. Levanen, J. Pirskanen, T. Koskela, J. Talvitie, and M. Valkama, “Radio interface evolution towards 5G and enhanced local area communications,” IEEE Access ( 5G Wireless Technologies: Perspectives of the Next

Generation Mobile Communications and Networking ), vol. 2, pp. 1005-1029, Sept. 2014.

[J56] M. Baghani, A. Mohammadi, M. Majidi, and M. Valkama, “Analysis of OFDM-Based Cognitive Radio Networks and Rate Optimization under Power Amplifier Nonlinearity,” IEEE Transactions on Communications , vol. 62, no.

10, pp. 3410-3419, Oct. 2014.

[J57] P.C. Sofotasios, T.A. Tsiftsis, Y.A. Brychkov, S. Freear, M. Valkama, and G.K. Karagiannidis, “Analytic

Expressions and Bounds for Special Functions and Applications in Communication Theory,” IEEE Transactions on Information Theory , vol. 60, no. 12, pp. 7798-7822, Dec. 2014.

[J58] Z. Fu, L. Anttila, M. Abdelaziz, M. Valkama, and A. Wyglinski, “Frequency-Selective Digital Predistortion for

Unwanted Emission Reduction,” IEEE Transactions on Communications , vol. 63, no. 1, pp. 254-267, Jan. 2015.

[J59] S. F. Yunas, J. Niemelä and M. Valkama, “Spectral- and Energy-Efficiency of Ultra Dense Networks under

Different Deployment Strategies,” IEEE Communications Magazine (special issue in “Recent Advances in

Technologies for Extremely Dense Wireless Networks”), vol. 53, no. 1, pp. 90-100, Jan. 2015.

[J60] S. A. Razavi, M. Valkama, D. Cabric, “Covariance-Based OFDM Spectrum Sensing with Sub-Nyquist Samples,”

Signal Processing , vol. 109, pp. 261-268, April 2015.

[J61] E. Rebeiz, A. Shahed hagh ghadam, M. Valkama, and D. Cabric, “Spectrum sensing under RF non-linearities:

Performance analysis and DSP-enhanced receivers,” IEEE Trans. Signal Processing , vol. 63, no. 8, pp. 1950-

1964, April 2015.

[J62] M. Heino, D. Korpi, T. Huusari, E. Antonio-Rodríguez, S. Venkatasubramanian, T. Riihonen, L. Anttila, C.

Icheln, K. Haneda, R. Wichman, and M. Valkama, “Recent Advances in Antenna Design and Interference

Cancellation Algorithms for In-band Full-Duplex Relays,” IEEE Communications Magazine , vol. 53, no. 5, pp.

91-101, May 2015.

[J63] S. Singh, L. Anttila, M. Valkama, M. Epp, and W. Schlecker, “Analysis, Blind Identification and Correction of

Frequency Response Mismatch in 2-channel Time-Interleaved ADC,” IEEE Trans. Microwave Theory and

Techniques , vol. 63, no. 5, pp. 1721-1734, May 2015.

[J64] S. Dikmese, P. Sofotasios, T. Ihalainen, M. Renfors, and M. Valkama, “Efficient Energy Detection Methods for

Spectrum Sensing under Non-Flat Spectral Characteristics,” IEEE Journal on Selected Areas in Communications

(Cognitive Radio series), vol. 33, no. 5, pp. 755-770, May 2015.

[J65] S. Singh, M. Valkama, M. Epp, L. Anttila, W. Schlecker, and E. Ingber, “Digital Correction of 2-Channel Time-

Interleaved ADC Frequency Response Mismatch Using Adaptive I/Q Signal Processing,” Analog Integrated

Circuits Journal , vol. 82, no. 3, pp 543-555, May 2015.

[J66] S. Singh, M. Valkama, M. Epp, and W. Schlecker, “Frequency Response Mismatch Analysis in Time-Interleaved

Analog I/Q Processing and ADCs,” IEEE Trans. Circuits and Systems II , vol. 62, no. 6, pp. 608-612, June 2015.

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[J67] S. Lin, L.-H. Wang, A. Vosoughi, J. R. Cavallaro, M. Juntti, J. Boutellier, O. Silven, M. Valkama, and S. S.

Bhattacharyya, “Parameterized sets of dataflow modes and their application to implementation of cognitive radio systems,” Journal of Signal Processing Systems , vol. 80, no. 1, pp 3-18, July 2015.

[J68] S. F. Yunas, M. Valkama, and J. Niemelä, “Techno-Economical Comparison of Dynamic DAS and Legacy

Macrocellular Densification: Capacity and Cost-Efficiency Analysis of Alternative Deployment Solutions for

Outdoor Service Provisioning,” Int. Journal of Wireless Information Networks , Sept. 2015.

[J69] M. Aghababaeetafreshi, L. Lehtonen, T. Levanen, M. Valkama, and J. Takala, “IEEE 802.11ac MIMO

Transceiver Baseband Processing on a VLIW Processor,” Journal of Signal Processing Systems , Journal of Signal

Processing Systems , Sept. 2015.

[J70] S. Singh, M. Valkama, M. Epp, L. Anttila, and W. Schlecker, “Frequency Response Mismatches in 4-channel

Time-Interleaved ADCs: Analysis, Blind Identification and Correction,” IEEE Transactions on Circuits and

Systems I , vol. 62, no. 9, pp. 2268-2279, Sept. 2015.

[J71] S. F. Yunas, M. Valkama, and J. Niemelä, “Techno-economical Comparison of Dynamic DAS and Legacy

Macrocellular Densification: Capacity and Cost-efficiency Analysis of Alternative Deployment Solutions for

Outdoor Service Provisioning,” International Journal of Wireless Information Networks , Sept. 2015.

[J72] A. Kiayani, M. Abdelaziz, L. Anttila, V. Lehtinen, and M. Valkama, “Digital Mitigation of Transmitter Induced

Receiver Desensitization in Carrier Aggregation FDD Transceivers,” IEEE Trans. Microwave Theory and

Techniques , vol. 63, no.11, pp. 3608-3623, Nov. 2015.

[J73] J. Werner, J. Wang, A. Hakkarainen, N. Gulati, D. Patron, D. Pfeil, K. R. Dandekar, D. Cabric, and M. Valkama,

“Sectorized Antenna-based DoA Estimation and Localization: Advanced Algorithms and Measurements,” IEEE

Journal on Selected Areas in Communications , vol. 33, no. 11, pp. 2272-2286, Nov. 2015.

[J74] P.C. Sofotasios, S. Muhaidat, M. Valkama, M. Ghogho, and G.K. Karagiannidis, “Entropy and Channel Capacity under Optimum Power and Rate Adaptation over Generalized Fading Conditions,” IEEE Signal Processing

Letters , vol. 22, no.11, pp. 2162-2166, Nov. 2015.

[J75] S. Singh, M. Valkama, M. Epp, and W. Schlecker, “Digitally Enhanced Wideband I/Q Downconversion Receiver with 2-channel Time-Interleaved ADCs,” IEEE Transactions on Circuits and Systems II (5G special issue) , vol.

63, no. 1, pp. 29-33, Jan. 2016.

[J76] S. Dikmese, P. C. Sofotasios, M. Renfors, M. Valkama, “Subband Energy Based Reduced Complexity Spectrum

Sensing under Noise Uncertainty and Frequency-Selective Spectral Characteristics,” IEEE Transactions on Signal

Processing , vol. 64, no.1, pp. 131-145, Jan. 2016.

[J77] A. Kiayani, L. Anttila, Y. Zou, and M. Valkama, “Channel estimation and equalization in multi-user uplink

OFDMA and SC-FDMA systems under transmitter RF impairments,” IEEE Trans. Vehicular Technology , vol. 65, no. 1, pp. 82-99, Jan. 2016.

[J78] M. Abdelaziz, Z. Fu, L. Anttila, A. Wyglinski, and M. Valkama, “Digital Predistortion for Mitigating Spurious

Emissions in Spectrally Agile Radios,” IEEE Communications Magazine , vol. 54, no. 3, pp. 60-69, March 2016.

[J79] M.K. Fikadu, P.C. Sofotasios, Q. Cui, S. Muhaidat, G.K. Karagiannidis, and M. Valkama, “Error Rate and Power

Allocation Analysis of Regenerative Networks over Generalized Fading Channels,” IEEE Transactions on

Communications , accepted, to appear, 2016.

[J80] A. Hakkarainen, J. Werner, K. R. Dandekar, and M. Valkama, “Receiver Signal Processing in uplink OFDMA

MU-MIMO transmission under transceiver I/Q imbalance and External Interference,” IEEE Transactions on

Wireless Communications , accepted, to appear, 2016.

[J81] J. Lemberg, M. Kosunen, E. Roverato, M. Martelius, K. Stadius, L. Anttila, M. Valkama, and J. Ryynänen, “A

Digital Interpolating Phase Modulator for Wideband Outphasing Transmitters,” IEEE Transactions on Circuits and Systems I , accepted, to appear 2016.

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[J82] S. Chaudhari, M. Kosunen, S. Mäkinen, M. Laatta, V. Koivunen, J. Ryynänen, and M. Valkama, “Performance evaluation of cyclostationary based cooperative sensing using field measurements,” IEEE Transactions on

Vehicular Technology , accepted, to appear, 2016.

[J83] J. Werner, J. Wang, A. Hakkarainen, D. Cabric, and M. Valkama, “Performance and Cramer-Rao Bounds for

DoA/RSS Estimation and Transmitter Localization Using Sectorized Antennas,” IEEE Transactions on Vehicular

Technology , accepted, to appear, 2016

[J84] M.K. Fikadu, P.C. Sofotasios, Q. Cui, G.K. Karagiannidis, and M. Valkama, “Exact Error Analysis and Energy-

Efficiency Optimization of Regenerative Relay Systems under Spatial Correlation,” IEEE Transactions on

Vehicular Technology , accepted, to appear, 2016.

[J85] V. Syrjälä, K. Yamamoto, and M. Valkama, “Analysis of full-duplex radio transceivers under RF oscillator phasenoise with arbitrary spectral shape,” IEEE Transactions on Vehicular Technology , accepted, to appear, 2016.

[J86] A. Boulogeorgos, P.C. Sofotasios, B. Selim, S. Muhaidat, G.K. Karagiannidis, and M. Valkama, “Effects of RF

Impairments in Communications over Cascaded Channels,” IEEE Transactions on Vehicular Technology , accepted, to appear, 2016.

[J87] Q. Cui, H. Song, H. Wang, M. Valkama, and A.A. Dowhuszko, “Capacity Analysis of Joint Transmission with

Adaptive Modulation in CoMP Systems,” IEEE Transactions on Vehicular Technology , accepted, to appear,

2016.

[J88] A. Razavi, M. Valkama, and E.-S. Lohan, “Robust Statistical Approaches for RSS-Based Floor Detection in

Indoor Localization,” Sensors , accepted, to appear, 2016.

[J89] A. Razavi, M. Valkama and D. Cabric, “Compressive Detection of Random Subspace Signals,” IEEE

Transactions on Signal Processing , accepted, to appear, 2016.

[J90] M. Abdelaziz, L. Anttila, C. Tarver, K. Li, J.R. Cavallaro, and M. Valkama, “Low-Complexity Sub-band Digital

Predistortion for Spurious Emission Suppression in Noncontiguous Spectrum Access,” IEEE Trans. Microwave

Theory and Techniques , submitted.

[J91] A. Kiayani, L. Anttila, M. Kosunen, K. Stadius, J. Ryynänen, and M. Valkama, “Modeling and Joint Mitigation of

TX and RX Nonlinearity Induced Receiver Desensitization,” IEEE Trans. Microwave Theory and Techniques , submitted.

[J92] J. Marttila, M. Allén, K. Stadius, M. Kosunen, J. Ryynänen, and M. Valkama, “Reference Receiver Enhanced

Digital Linearization of Wideband Direct-Conversion Receivers,” IEEE Trans. Microwave Theory and

Techniques , submitted.

[J93] D. Korpi, T. Huusari, Y.-S. Choi, L. Anttila, S. Talwar, and M. Valkama, “Full-Duplex Mobile Device – Pushing

The Limits,” IEEE Communications Magazine , submitted.

[J94] S. Mäkinen, M. Kosunen, I. Rognoni, M. Laatta, S. Chaudhari, J. Oksanen, M. Valkama, V. Koivunen, and J.

Ryynänen, “Spatial Estimation of Cyclostationary Test Statistics in Cognitive Radio Networks for Improved

Spectrum Sensing Reliability and Sensitivity,” IEEE Transactions on Vehicular Technology , submitted.

[J95] H. Paaso, N. Gulati, D. Patron, A. Hakkarainen, K. R. Dandekar, M. Valkama, and A. Mämmelä, “DoA estimation using compact CRLH leaky-wave antennas: Novel algorithms and measured performance,” IEEE

Transactions on Antennas and Propagation , submitted.

[J96] A. Hazmi, N. Daneshfar, O. Raeesi, B. Badihi, J. Pirskanen, F. del Carpio, P.Amin, J. Torsner and M. Valkama,

“IEEE 802.11ah: Analysis and Evaluation of Essential MAC Features in IoT Networks,” IEEE Internet-of-Things

Journal , submitted.

[J97] A. Kiayani, V. Lehtinen, L. Anttila, and M. Valkama, “Linearity Challenges in LTE-Advanced and Beyond

Mobile Terminals,” IEEE Communications Magazine , submitted.

7 / 26


[J98] M. K. Fikadu, P. C. Sofotasios, S. Muhaidat, Q. Cui, G. K. Karagiannidis, and M. Valkama, “Full-Duplex

Regenerative Relaying with Energy Optimization over Generalized Asymmetric Fading Channels,” IEEE

Transactions on Wireless Communications , submitted.

[J99] M. Heino, D. Korpi, T. Huusari, C. Icheln, K. Haneda, and M. Valkama, “Compact Inband Full-Duplex Relays with Beyond 100dB Self-Interference Suppression: Enabling Techniques and RF Measurements,” IEEE

Transactions on Antennas and Propagation , submitted.

[J100] M. Koivisto, M. Costa, J. Werner, K. Heiska, J. Talvitie, K. Leppänen, V. Koivunen, and M. Valkama, “Joint

Device Positioning and Clock Synchronization in 5G Ultra-Dense Networks,” IEEE Transactions on Wireless

Communications , submitted.

[J101] M. Baghani, A. Mohammadi, M. Majidi, and M. Valkama, “Uplink Resource Allocation in Multiuser Multicarrier

Cognitive Radio Networks under Power Amplifier Nonlinearity,” IEEE Transactions on Communications , submitted.

[J102] D. Korpi, T. Riihonen, A. Sabharwal, and M. Valkama, “Self-backhauling Full-duplex Access Node with

Massive Arrays: Sum-rate Analysis and Optimization,” IEEE Transactions on Communications , submitted.

Publications / C

(Articles in international compilation works and in international scientific conference proceedings with referee practice)

[C1] M. Valkama and M. Renfors, “Advanced DSP for I/Q imbalance compensation in a low-IF receiver,” in Proc.

IEEE Int. Conf. Communications (ICC’00), New Orleans, LA, USA, June 2000, pp. 768-772.

[C2] M. Valkama, M. Renfors, and V. Koivunen, “On the performance of interference canceller based I/Q imbalance compensation,” in Proc.

IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP’00), Istanbul, Turkey, June

2000, pp. 2885-2888.

[C3] M. Valkama, M. Renfors, and V. Koivunen, “BSS based I/Q imbalance compensation in communication receivers in the presence of symbol timing errors,” in Proc. Second Int. Workshop Independent Component Analysis Blind

Signal Separation (ICA’00), Helsinki, Finland, June 2000, pp. 393-398.

[C4] M. Valkama and M. Renfors, “Digital filter design for I/Q imbalance compensation,” in Proc.

X European Signal

Processing Conf.

(EUSIPCO’00), Tampere, Finland, Sept. 2000, pp. 1497-1500.

[C5] M. Valkama, M. Renfors, and V. Koivunen, “Blind source separation based I/Q imbalance compensation,” in

Proc.

IEEE Symp. 2000 Adaptive Syst. Signal Processing , Commun.

, Control (AS-SPCC’00), Lake Louise, AL,

Canada, Oct. 2000, pp. 310-314.

[C6] M. Valkama, M. Renfors, and V. Koivunen, “Compensation of frequency-selective I/Q imbalances in wideband receivers: Models and algorithms,” in Proc.

Third IEEE Signal Processing Workshop Signal Processing Adv.

Wireless Commun.

(SPAWC’01), Taoyuan, Taiwan, R.O.C., March 2001, pp. 42-45.

[C7] M. Valkama and M. Renfors, “Second-order sampling of wideband signals,” in Proc. IEEE Int. Symp. Circuits

Syst.

(ISCAS’01), Sydney, Australia, May 2001, pp. 801-804.

[C8] M. Valkama and M. Renfors, “Digital I/Q imbalance compensation in direct-conversion receivers,” in Proc . 2002

Workshop on Software Radios (WSR’02), Karlsruhe, Germany, March 2002, pp. 51-55.

[C9] M. Valkama, K. Salminen, and M. Renfors, “Digital I/Q imbalance compensation in low-IF receivers: Principles and practice,” in Proc.

IEEE Int. Conf. Digital Signal Processing (DSP’02), Santorini, Greece, July 2002, pp.

1179-1182.

[C10] C. Caballero Gaudes, M. Valkama, M. Renfors, and J. Ajanki, “Fast frequency synthesizer concept based on digital tuning and I/Q signal processing,” in Proc.

IEEE Int. Conf. Digital Signal Processing (DSP’02), Santorini,

Greece, July 2002, pp. 1317-1320.

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[C11] C. Caballero Gaudes, M. Valkama, and M. Renfors, “A novel frequency synthesizer concept for wireless communications,” in Proc.

IEEE Int. Symp. Circuits Syst.

(ISCAS’03), Bangkok, Thailand, May 2003, pp. 85-88.

[C12] M. Valkama, T. Hidalgo Stitz, and M. Renfors, “Enhanced per-carrier processing for MC-CDMA downlink,” in

Proc.

Asilomar Conf. Signals, Syst., Computers (ASILOMAR’03), Pacific Grove, CA, USA, Nov. 2003, pp. 153-

156.

[C13] M. Valkama, R. Porat, and F. Harris, “OFDM transmission with receiver windowing for improved interference rejection,” in Proc.

Asilomar Conf. Signals, Syst., Computers (ASILOMAR’03), Pacific Grove, CA, USA, Nov.

2003, pp. 679-682.

[C14] M. Valkama and M. Renfors, “Advanced I/Q signal processing for communication systems,” tutorial paper in

2003 Software Defined Radio Conf.

(SDR’03), Orlando, FL, USA, Nov. 2003.

[C15] T. Hidalgo Stitz, M. Valkama, J. Rinne, and M. Renfors, “Performance of MC-CDMA vs. OFDM in Rayleigh fading channels,” in Multicarrier Spread-Spectrum , K. Fazel and S. Kaiser, Eds., pp. 337-344, Kluwer 2004.

[C16] Z. Duan, T. Hidalgo Stitz, M. Valkama, and M. Renfors, “Practical issues of PIC in MC-CDMA systems,” in

Multicarrier Spread-Spectrum , K. Fazel and S. Kaiser, Eds., pp. 481-488, Kluwer 2004.

[C17] M. Valkama and M. Renfors, “Advanced receiver architectures and I/Q signal processing,” in Proc. IEEE Int.

Symp. Control, Commun., Signal Processing (ISCCSP’04), Hammamet, Tunisia, March 2004, pp. 71-74.

[C18] M. Valkama, R. Porat, and F. Harris, “On frequency offset estimation in the presence of narrowband interference,” in Proc. IEEE Int. Symp. Control, Commun., Signal Processing (ISCCSP’04), Hammamet, Tunisia,

March 2004, pp. 665-668.

[C19] Z. Duan, T. Hidalgo Stitz, M. Valkama, and M. Renfors, “Modified PIC in MC-CDMA systems,” in Proc. IEEE

Int. Symp. Control, Commun., Signal Processing (ISCCSP’04), Hammamet, Tunisia, March 2004, pp. 795-798.

[C20] P. Yan, M. Valkama, and M. Renfors, “Distance learning in communications signal processing using MATLAB web server,” in Proc. Nordig Signal Processing Symp.

(NORSIG’04), Helsinki, Finland, June 2004, pp. 244-247.

[C21] Z. Duan, T. Hidalgo Stitz, M. Valkama, and M. Renfors, “Performance analysis of parallel interference cancellation detector in downlink MC-CDMA systems,” in Proc. Nordig Signal Processing Symp.

(NORSIG’04),

Helsinki, Finland, June 2004, pp. 284-287.

[C22] A. Shahed, M. Valkama, and M. Renfors, “Advanced DSP for compensation of nonlinear distortion in wideband direct-conversion receivers,” in Proc. Nordic Radio Symp.

(NRS’04), Oulu, Finland, Aug. 2004.

[C23] A. Shahed, M. Valkama, and M. Renfors, “Adaptive compensation of nonlinear distortion in multicarrier directconversion receivers,” in Proc. IEEE Radio Wireless Conf.

(RAWCON’04), Atlanta, GA, USA, Sept. 2004, pp.

35-38.

[C24] M. Valkama, M. Renfors, and V. Koivunen, “Blind image suppression and carrier tracking in direct-conversion receivers based on I/Q signal separation,” in Proc.

Asilomar Conf. Signals, Syst., Computers (ASILOMAR’04),

Pacific Grove, CA, USA, Nov. 2004, pp. 603-606.

[C25] M. Valkama, L. Anttila, and M. Renfors, “Digital image signal rejection in WCDMA receivers based on adaptive interference cancellation,” in Proc.

IEEE Veh. Technol. Conf.

(VTC-S’05), Stockholm, Sweden, May 2005, pp.

267-270.

[C26] M. Valkama, M. Renfors, and V. Koivunen, “Blind I/Q imbalance compensation in OFDM receivers based on adaptive I/Q signal decorrelation,” in Proc.

IEEE Int. Symp. Circuits Syst.

(ISCAS’05), Kobe, Japan, May 2005, pp. 2611-2614.

[C27] Z. Duan, M. Valkama, and M. Renfors, “On the design and performance of LDPC coded MC-CDMA systems,” in

Proc.

2005 IST Mobile and Wireless Communications Summit (IST’05), Dresden, Germany, June 2005.

9 / 26


[C28] J. Suviola, M. Valkama, and M. Renfors, “FPGA prototype implementation of interference cancellation based I/Q mismatch compensator in low-IF receivers,” in Proc.

Int. Workshop on Convergent Technologies (IWCT’05),

Oulu, Finland, June 2005.

[C29] Z. Duan, M. Valkama, and M. Renfors, “Turbo multiuser detection for LDPC coded MC-CDMA systems,” in

Proc.

IEEE Int. Symp. Pers., Indoor, Mobile Radio Commun.

(PIMRC’05), Berlin, Germany, Sept. 2005, pp. 262

- 265.

[C30] P. Rykaczewski, M. Valkama, and M. Renfors, “Analytical approach to I/Q imbalance in OFDM, CDMA and

MC-CDMA based systems,” in Proc.

IEEE Radio Wireless Symp.

(RWS’06), San Diego, CA, USA, Jan. 2006, pp. 555-558.

[C31] M. Valkama, Y. Zou, and M. Renfors, “On I/Q imbalance effects in MIMO space-time coded transmission systems,” in Proc.

IEEE Radio Wireless Symp. (RWS’06), San Diego, CA, USA, Jan. 2006, pp. 223-226.

[C32] V. Lehtinen, E. Mäki-Esko, M. Valkama, and M. Renfors, “Error spectrum analysis of time-variant reconstruction from nonuniform sampling,” in Proc.

Nordic Signal Processing Conf. (NORSIG’06), Reykjavik, Iceland, June

2006.

[C33] P. Rykaczewski, F. Jondral, M. Valkama, and M. Renfors, “Non-data-aided I/Q imbalance compensation using measured receiver front-end signals,” in Proc.

IEEE Int. Symp. Pers., Indoor, Mobile Radio Commun.

(PIMRC’06), Helsinki, Finland, Sept. 2006.

[C34] L. Anttila, M. Valkama, and M. Renfors, “Blind moment estimation techniques for I/Q imbalance compensation in quadrature receivers,” in Proc.

IEEE Int. Symp. Pers., Indoor, Mobile Radio Commun. (PIMRC’06), Helsinki,

Finland, Sept. 2006.

[C35] Y. Zou, M. Valkama, and M. Renfors, “Performance analysis of space-time coded MIMO-OFDM systems under

I/Q imbalance,” in Proc.

IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP’07), Hawaii, HI, USA,

Apr. 2007, pp. 341-344.

[C36] L. Anttila, M. Valkama, and M. Renfors, “Blind compensation of frequency-selective I/Q imbalances in quadrature radio receivers: Circularity -based approach,” in Proc.

IEEE Int. Conf. Acoust., Speech, Signal

Processing (ICASSP’07), Hawaii, HI, USA, Apr. 2007, pp. 245-248.

[C37] T. Huovinen, A. Shahed, and M. Valkama, “Blind diversity reception and interference cancellation using ICA,” in

Proc.

IEEE Int. Conf. Acoust., Speech, Signal Processing (ICASSP’07), Hawaii, HI, USA, Apr. 2007, pp. 685-

688.

[C38] L. Anttila, M. Valkama, and M. Renfors, “3.9G radio reception with SC-FDMA waveforms under I/Q imbalance,” in Proc.

IEEE Int. Symp. Circuits Syst. (ISCAS’07), New Orleans, LA, USA, May 2007, pp. 25-28.

[C39] M. Valkama, L. Anttila, and M. Renfors, “Some radio implementation challenges in 3G-LTE context,” in Proc.

IEEE Workshop Signal Processing Adv. Wireless Commun.

(SPAWC’07), Helsinki, Finland, June 2007.

[C40] L. Anttila, M. Valkama, and M. Renfors, “Gradient-based blind iterative techniques for I/Q imbalance compensation in digital radio receivers,” in Proc.

IEEE Workshop Signal Processing Adv. Wireless Commun.

(SPAWC’07), Helsinki, Finland, June 2007.

[C41] A. Shahed, T. Huovinen, and M. Valkama, “Dynamic offset mitigation in diversity receivers using ICA,” in Proc.

IEEE Int. Symp. Pers., Indoor, Mobile Radio Commun. (PIMRC’07), Athens, Greece, Sept. 2007.

[C42] M. Valkama, “Radio implementation challenges in 3G-LTE context,” in European Conf. Wireless Technologies

(ECWT’07), Munich, Germany, Oct. 2007.

[C43] V. Syrjälä, M. Valkama, and M. Renfors, “Design considerations for direct RF sampling receiver in GNSS environment,” in Proc.

Int. Workshop on Positioning, Navigation and Communication (WPNC’08), Hannover,

Germany, March 2008.

10 / 26


[C44] Y. Zou, M. Valkama, and M. Renfors, “Compensation of frequency-selective I/Q imbalances in space-time coded multi-antenna OFDM systems,” in Proc.

IEEE Int. Symposium on Communications, Control and Signal

Processing (ISCCSP ‘08), St. Julians, Malta, March 2008.

[C45] Y. Fan, M. Kuusela, P. Lundén, and M. Valkama, “Downlink VoIP support for evolved UTRA,” in Proc.

IEEE

Int. Wireless Communications and Networking Conf.

(WCNC’08), Las Vegas, NV, April 2008.

[C46] Y. Zou, M. Valkama, and M. Renfors, “Carrier frequency offset estimation in multiantenna transmission systems based on single-carrier modulation,” in Proc.

IEEE Int. Conf. on Circuits and Systems for Communications

(ICCSC‘08), Shanghai, China, May 2008.

[C47] S. Nonchev, J. Venäläinen, M. Valkama and M. Kuusela, “New frequency domain packet scheduling schemes for

UTRAN LTE downlink,” in Proc.

ICT Mobile and Wireless Communications Summit (ICT’08), Stockholm,

Sweden, June 2008.

[C48] T. Huovinen, A. Shahed, and M. Valkama, “Higher-order blind estimation of generalized eigenfilters using independent component analysis,” in Proc.

Int. Workshop Cognitive Information Processing (CIP’08), Santorini,

Greece, June 2008.

[C49] L. Anttila, M. Valkama, and M. Renfors, “Efficient mitigation of frequency-selective I/Q imbalance in OFDM receivers,” in Proc.


(VTC-F’08), Calgary, Canada, Sept. 2008.

[C50] Y. Zou, M. Valkama, and M. Renfors, “Pilot-based compensation of frequency-selective I/Q imbalances in directconversion OFDM transmitters,” in Proc.



[C51] Y. Fan, P. Lundén, M. Kuusela, and M. Valkama, “Efficient semi-persistent scheduling for VoIP on EUTRA downlink,” in Proc.



[C52] A. Shahed, A. Gökceoglu, and M. Valkama, “Coefficient sensitivity analysis for feedforward amplifier linearizers with memory,” in Proc.

Int. Symp. Wireless Personal Multimedia Communications (WPMC’08), Lapland,

Finland, Sept. 2008.

[C53] A. Gökceoglu, A. Shahed, and M. Valkama, “Effects of power amplifier memory on adaptive feedforward linearizers,” in Proc.

IEEE Int. Symp. Wireless Communication Systems (ISWCS’08), Reykjavik, Iceland, Oct.

2008.

[C54] Y. Fan, P. Lundén, M. Kuusela, and M. Valkama, “Performance of VoIP on EUTRA downlink with limited channel feedback,” in Proc. IEEE Int. Symp. Wireless Communication Systems (ISWCS’08), Reykjavik, Iceland,

Oct. 2008.

[C55] V. Syrjälä and M. Valkama, “Jitter mitigation in high-frequency bandpass-sampling OFDM radios,” in Proc.

IEEE Wireless Communications Networking Conf. (WCNC’09), Budapest, Hungary, April 2009.

[C56] V. Syrjälä, M. Valkama, N. N. Tchamov, and J. Rinne, “Phase noise modelling and mitigation techniques in

OFDM communications systems,” in Proc.

Wireless Telecommunications Symp.

(WTS’09), Prague, Czech

Republic, April, 2009.

[C57] S. Burglechner, A. Springer, A. Shahed, M. Valkama and G. Hueber, “DSP-oriented implementation of feedforward power amplifier linearizer,” in Proc. IEEE Int. Symp. Circuits and Systems (ISCAS’09), Taipei, Taiwan, May 2009, pp. 1755-1758.

[C58] S. Nonchev and M. Valkama, “Efficient packet scheduling schemes for multiantenna packet radio downlink,” in

Proc.

Advanced Int. Conf. Telecommunications (AICT’09), Venice, Italy, May 2009.

[C59] Y. Zou, M. Valkama, and M. Renfors, “Performance analysis of spatial multiplexing MIMO-OFDM systems under frequency-selective I/Q imbalances,” in Proc.

Int. Wireless Communications and Mobile Computing Conf.

(IWCNC’09), Leipzig, Germany, June 2009.

[C60] V. Syrjälä and M. Valkama, “Sampling jitter estimation and mitigation in direct RF sub-sampling receiver architecture,” in Proc.

IEEE Int. Symp. Wireless Communication Systems (ISWCS’09), Siesta, Italy, Sept. 2009.

11 / 26


[C61] M. Allen, J. Marttila and M. Valkama, “Digital post-processing for reducing A/D converter nonlinear distortion in wideband radio receivers,” in Proc.

Asilomar Conf. Signals, Syst., Computers (ASILOMAR’09), Pacific Grove,

CA, USA, Nov. 2009, pp. 1111-1114.

[C62] S. Nonchev and M. Valkama, “Efficient power-aware packet scheduling for multiantenna packet radio systems,” in Proc. Int. Workshop on Wireless and Mobile Networks (WiMoNe-2009), Chennai, India, Dec. 2009.

[C63] N. N. Tchamov, J. Rinne, V. Syrjälä, M. Valkama, Y. Zou, and M. Renfors, “VCO phase noise trade-off in PLL design for DVB-T/H receivers,” in Proc.

IEEE Int. Conf. Electronics, Circuits, Systems (ICECS’09), Medina,

Tunisia, Dec. 2009, pp. 527-530.

[C64] J. Marttila, M. Allén and M. Valkama, “I/Q imbalance effects in quadrature sigma-delta modulators – analysis and signal processing,” in Proc.

IEEE Int. Microwave Workshop on RF Front-Ends for Software Defined and

Cognitive Radio Solutions , Aveiro, Portugal, Feb. 2010.

[C65] V. Syrjälä and M. Valkama, “Sampling jitter cancellation in direct-sampling radio,” in Proc.

IEEE Wireless

Communications Networking Conf. (WCNC’10), Sydney, Australia, April 2010.

[C66] M. Valkama, A. Springer, and G. Hueber, “Digital signal processing for reducing the effects of RF imperfections in radio devices – An overview,” in Proc.

IEEE Int. Symp. Circuits and Systems (ISCAS’10), Paris, France, May-

June 2010, pp. 813-816.

[C67] S. Nonchev and M. Valkama, “Advanced packet scheduling in soft frequency reuse scenarios for multiantena packet radio systems,” in Proc.

Future Network and Mobile Summit 2010 , Florence, Italy, June 2010.

[C68] M. Allen, J. Marttila and M. Valkama, “Digitally-enhanced wideband analog-digital interfaces for future cognitive radio devices,” in Proc. IEEE Int. NEWCAS Conf. (NEWCAS’10), Montreal, Canada, June 2010.

[C69] A. Kiayani, L. Anttila, O. Mylläri, and M. Valkama, “Prototype implementation and RF performance measurements of DSP based transmitter IQ imbalance calibration,” in Proc.

IEEE Int. Symp. Communication

Systems, Networks and Digital Signal Processing (CSNDSP’10), Newcastle, UK, July 2010.

[C70] O. Mylläri, L. Anttila, and M. Valkama, “'Digital transmitter I/Q imbalance calibration: real-time prototype implementation and performance measurement,” in Proc.

European Signal Processing Conf. (EUSIPCO’10),

Aalborg, Denmark, Aug. 2010.

[C71] Y. Zou, C. Münker, R. Stuhlberger, and M. Valkama, “Calibration and self-test of RF transceivers,” in Proc.

IEEE

Int. Midwest Symp. Circuits and Systems (MWSCAS’10), Seattle, WA, Aug. 2010, pp. 473-476.

[C72] N. N. Tchamov, J. Rinne, V. Syrjälä, M. Valkama, Y. Zou, and M. Renfors, “Performance comparison of DVB-T and DVB-T2 in the presence of phase noise,” in Proc.

Int. OFDM-Workshop 2010 (INOWO’10), Hamburg,

Germany, Sept. 2010.

[C73] M. Bruno, J. Cousseau, A. Shahed, and M. Valkama, “On high-linearity, high-efficiency RF amplifier design,” in

Proc.

Conf. Argentine School of Micro-Nanoelectronics, Technology and Applications (CAMTA’10),

Montevideo, Uruguay, Oct. 2010.

[C74] H.-L. Määttänen, T. Huovinen, O. Tirkkonen, M. Valkama and T. Roman, “Multiuser MIMO transmission with single user feedback in MIMO downlink with mode switching” in Proc.

Int. Symp. Wireless Personal Multimedia

Communications (WPMC’10), Recife, Brazil, Oct. 2010.

[C75] H. Li, X. Xu, Q. Cui, D. Hu, and M. Valkama, “A novel capacity analysis for femtocell networks with optimal power and subchannel adaptation,” in Proc.

IEEE Int. Conf. Broadband Network and Multimedia Technology (IC-

BNMT’10), Beijing, China, Oct. 2010.

[C76] S. Nonchev, M. Valkama, R. Hamila and M. Hasna, “On the performance of advanced QoS-aware packet scheduling for multiantenna packet radio systems,” in Proc.

IEEE Int. Conf. Broadband Network and Multimedia

Technology (IC-BNMT’10), Beijing, China, Oct. 2010.

12 / 26


[C77] J. Xu, S. Zhu, Z. Gao, and M. Valkama, “Distributed cyclic delay diversity with decision-feedback differential detection,” in Proc.

IEEE Int. Conf. Broadband Network and Multimedia Technology (IC-BNMT’10), Beijing,

China, Oct. 2010.

[C78] X. Sun, S. Zhu, Z. Feng, and M. Valkama” “Cooperative amplify-and-forward scheme based on multi-access channel,” in Proc.

IEEE Int. Conf. Broadband Network and Multimedia Technology (IC-BNMT’10), Beijing,

China, Oct. 2010.

[C79] J. Talvitie, M. Valkama, H. Huttunen, and M. Laaksonen, “Motivating the mathematics studies by real-life examples of signal processing and communications engineering,” in Proc.

IEEE Signal Processing Society Digital

Signal Processing and Signal Processing Education Workshop (DSPE’11), Sedona, AZ, Jan. 2011.

[C80] V. Syrjälä and M. Valkama, “On OFDM link performance under receiver phase noise with arbitrary spectral shape,” in Proc.

IEEE Wireless Communications Networking Conf. (WCNC’11), Cancun, Mexico, March 2011.

[C81] M. Zhou, Q. Cui, H. Wang, X. Tao, H. Tian, and M. Valkama, “Link-oriented power allocation in multicast systems with physical layer network coding,” in Proc. IEEE Wireless Communications Networking Conf.

(WCNC’11), Cancun, Mexico, March 2011.

[C82] S. Nonchev, R. Hamila and M. Valkama, “Effect of high-velocity scenarios on the performance of MIMO LTE packet scheduling,” in Proc. Eight IEEE Int. Multi-Conference on Systems, Signal & Devices (SSD’11), Sousse,

Tunisia, March 2011.

[C83] L. Anttila and M. Valkama, “On circularity of receiver front-end signals under RF impairments,” in Proc.

European Wireless Conf . (EW’11), Vienna, Austria, April 2011.

[C84] H.-L. Määttänen, T. Huovinen, T. Koivisto, M. Enescu, O. Tirkkonen and M. Valkama, “Performance evaluations for multiuser CQI enhancements for LTE-Advanced,” in Proc.

IEEE Vehicular Technology Conf.

(VTC’11

Spring), Budapest, Hungary, May 2011.

[C85] V. Syrjälä and M. Valkama, “Receiver DSP for OFDM systems impaired by transmitter and receiver phase noise,” in Proc.

IEEE Int. Conf. Communications (ICC’11) , Kyoto, Japan, June 2011.

[C86] J. Marttila, M. Allen, and M. Valkama, “Design and analysis of multi-stage quadrature sigma-delta A/D converter for cognitive radio receivers,” in Proc.

IEEE Int. Workshop on Computer Aided Modeling, Analysis and Design of

Communication Links and Networks (CAMAD’11), Kyoto, Japan, June 2011.

[C87] Y. Zou, M. Valkama, N. Ermolova, and O. Tirkkonen, “Analytical performance of OFDM radio link under RX

I/Q imbalance and frequency-selective Rayleigh fading channel,” in Proc.

IEEE Int. Workshop on Signal

Processing Adv. Wireless Communications (SPAWC’11), San Francisco, CA, June 2011.

[C88] A. Gokceoglu, Y. Zou, and M. Valkama, “Capacity analysis of OFDM radio link under phase noise, IQ imbalance and frequency-selective channel,” IEEE Communication Theory Workshop (CTW’11), Sitges, Catalonia, Spain,

June 2011.

[C89] S. Thombre, J. Raasakka, H. Hurskainen, J. Nurmi, M. Valkama, S. Lohan, “Local oscillator phase noise effects on phase angle component of GNSS code correlation,” in Proc. Int. Conf. Localization and GNSS (ICL-

GNSS’11), Tampere, Finland, June 2011.

[C90] J. Marttila, M. Allen, and M. Valkama, “Response analysis and design of second-order quadrature sigma-delta modulators with applications in cognitive radio devices,” in Proc.

IEEE Int. Midwest Symp. Circuits and Systems

(MWSCAS’11), Seoul, South-Korea, Aug. 2011.

[C91] J. Suviola, M. Allen, M. Valkama, and M. Renfors, “Real-time FPGA implementation and measured performance of I/Q modulation based frequency synthesizer,” in Proc.

European Signal Processing Conf. (EUSIPCO’11),

Barcelona, Spain, Aug.-Sept. 2011.

[C92] M. Allen, J. Marttila, and M. Valkama, “Iterative signal processing for mitigation of wideband ADC nonidealities in cognitive radio receiver,” in Proc.

European Signal Processing Conf. (EUSIPCO’11), Barcelona, Spain, Aug.-

Sept. 2011.

13 / 26


[C93] S. Nonchev, R. Hamila and M. Valkama, “QoS-oriented packet scheduling for efficient video support in

OFDMA-based packet radio systems,” in Proc. IEEE Int. Workshop on Multiple Access Communications

(MACOM’11), Trento, Italy, Sept. 2011.

[C94] A. Kiayani, L. Anttila, Y. Zou and M. Valkama, “Hybrid time/frequency domain compensator for RF impairments in OFDM systems,” in Proc. IEEE International Symposium in Personal, Indoor and Mobile Radio

Communications (PIMRC'11), Toronto, Canada, Sept. 2011.

[C95] P. M. Cruz, N. B. Carvalho, and M. Valkama, “On the Implementation of a mixed frequency-time simulator for band-pass sampling receivers,” in Proc. Int. Conference on Electronics, Telecommunications and Computers

(CETC’11), Aveiro, Portugal, Nov. 2011.

[C96] S. Nonchev, M. Valkama and R. Hamila, “Advanced packet scheduling for efficient video support with limited channel feedback on MIMO LTE downlink,” in Proc. IEEE Global Telecommun. Conf. (GLOBECOM’11),

Multimedia Communications Workshop , Houston, Texas, Dec. 2011.

[C97] G. Vallant, M. Allen, M. Valkama, M. Epp, and F. K. Jondral, “Characterization and post-correction of dynamic analog-to-digital converter nonlinearity for undersampling receivers , ” in Proc. Karlsruhe Workshop on Software

Radios (WSR’12), Karlsurhe, Germany, March 2012.

[C98] V. Syrjälä, V. Lehtinen, and M. Valkama, “Sampling jitter in charge sampling radio,” in Proc. IEEE Wireless

Communications and Networking Conference (WCNC’12), Paris, France, April 2012.

[C99] Z. Fu, L. Anttila, M. Valkama, and A.M. Wyglinski, “Digital pre-distortion of power amplifier impairments in spectrally agile transmissions,” in Proc. IEEE Sarnoff Symposium (SARNOFF 2012), Newark, NJ, USA, April

2012.

[C100] K. Östman and M. Valkama, “Start-up robustness against resonator-Qs defects in a 2-GHz FBAR VCO,” in Proc.

IEEE Int. Frequency Control Symposium (IFCS’12), Baltimore, MD, May 2012.

[C101] G. Vallant, M. Epp, W. Schlecker, U. Schneider, L. Anttila, and M. Valkama, “Analog IQ impairments in zero-IF radar receivers: analysis, measurements and digital compensation,” in Proc. IEEE Int. Instrumentation and

Measurement Technology Conference (I2MTC’12), Graz, Austria, May 2012.

[C102] A. Gokceoglu, R. Piche, and M. Valkama, “Bayesian approach to spectrum sensing for cognitive radio applications,” in Proc. International Cognitive Radio Oriented Wireless Networks (CROWNCOM’12),

Stockholm, Sweden, June 2012.

[C103] V. Syrjälä and M. Valkama, “Iterative receiver signal processing for joint mitigation of transmitter and receiver phase noise in OFDM-based cognitive radio link,” in Proc. International Cognitive Radio Oriented Wireless

Networks (CROWNCOM’12), Stockholm, Sweden, June 2012.

[C104] J. Marttila, M. Allen and M. Valkama, “Digital mirror-frequency interference compensation for multiband quadrature sigma-delta ADC based cognitive radio receivers,” in Proc. IEEE Midwest Symposium on Circuits and

Systems (MWSCAS’12), Boise, ID, USA, Aug. 2012.

[C105] M. Allen, J. Marttila and M. Valkama, “General clipping modeling and DSP-based mitigation for wideband A/D interface and RF front-end of emerging radio receivers,” in Proc. IEEE Midwest Symposium on Circuits and

Systems (MWSCAS’12), Boise, ID, USA, Aug. 2012.

[C106] V. Syrjälä and M. Valkama, “Flexible adjacent channel interference and phase noise suppression in energyefficient OFDMA receivers,” in Proc.

IEEE Int. Workshop on Computer Aided Modeling, Analysis and Design of

Communication Links and Networks (CAMAD’12), Barcelona, Spain, Sept. 2012.

[C107] P. M. Cruz, N. B. Carvalho, and M. Valkama, “Evaluation of second-order bandpass sampling receivers for software defined radio,” in Proc. European Microwave Integrated Circuits Conference (EuMIC 2012),

Amsterdam, the Netherlands, Oct-Nov 2012.

[C108] A. Kiayani, L. Anttila and M. Valkama, “Transmitter I/Q imbalances in LTE uplink: Analysis and digital mitigation,” in Proc. IEEE Int. Conference on Communication Systems (ICCS’12), Singapore, Nov. 2012.

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[C109] A. Asp, Y. Sydorov, M. Valkama and J. Niemelä, “Radio signal propagation and attenuation measurements for modern residential buildings,” in Proc. IEEE GLOBECOM 2012, Anaheim, CA, Dec. 2012.

[C110] A. Hazmi, J. Rinne, and M. Valkama, “Feasibility study of IEEE 802.11ah radio technology for IoT and M2M use cases,” in Proc. IEEE GLOBECOM 2012, Anaheim, CA, Dec. 2012.

[C111] M. Bruno, F. Gregorio, J. Cousseau, A. Shahed hagh Ghadam, and M. Valkama, “A novel predistorter for highly nonlinear broadband power amplifier,” in Proc. Micro-Nanoelectronics, Technology and Applications (EAMTA),

2012 , pp.84-89, Argentina, Aug. 2012.

[C112] A. Hakkarainen, J. Werner, and M. Valkama, “RF imperfections in antenna arrays: Response analysis and widelylinear digital beamforming,” in Proc. IEEE Radio and Wireless Symposium (RWS-2013), Austin, TX, Jan. 2013.

[C113] V. Lehtinen, T. Lähteensuo, P. Vasenkari, A. Piipponen, and M. Valkama, “Gating factor analysis of maximum power reduction in multicluster LTE-A uplink transmission,” in Proc. IEEE Radio and Wireless Symposium

(RWS-2013), Austin, TX, Jan. 2013.

[C114] G. Vallant, M. Allén, S. Singh, M. Epp, S. Chartier, and M. Valkama “Direct downconversion architecture performance in compact pulse-doppler phased array radar receivers,” in Proc. IEEE Radio and Wireless

Symposium (RWS-2013), Austin, TX, Jan. 2013.

[C115] J. Werner, A. Hakkarainen, and M. Valkama, “Estimating the primary user location and transmit power in cognitive radio systems using extended Kalman filters,” in Proc.

IEEE Conf. on Wireless On-Demand Network

Systems and Services (WONS-2013), Banff, Alberta, Canada, March 2013.

[C116] J. Werner, J. Wang, A. Hakkarainen, M. Valkama, and D. Cabric, “Primary user localization in cognitive radio networks using sectorized antennas,” in Proc.

IEEE Conf. on Wireless On-Demand Network Systems and Services

(WONS-2013), Banff, Alberta, Canada, March 2013.

[C117] T. Hiltunen, M. Lampinen and M. Valkama “Codebook design and link level performance of closed-loop 4x2

MIMO in HSDPA,” in Proc. IEEE International Wireless Symposium (IWS-2013), Beijing, China, April 2013.

[C118] H. Wang, Q. Cui, X. Tao, M. Valkama, and Y.J. Guo, “Optimal cooperative water-filling power allocation for

OFDM system,” in Proc. IEEE Wireless Communications and Networking Conference (WCNC’13), Shanghai,

China, April 2013.

[C119] P. C. Sofotasios, T. A. Tsiftsis, M. Ghogho, L. R. Wilhelmsson, and M. Valkama, “The eta-mu/IG distribution: A novel physical multipath/shadowing fading model,” in Proc. IEEE Int. Conf. Communications (ICC-2013),

Budapest, Hungary, June 2013.

[C120] S. A. Razavi, M. Valkama, and D. Cabric, “High-resolution cyclic spectrum reconstruction from sub-Nyquist samples,” in Proc. IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC-2013),

Darmstadt, Germany, June 2013.

[C121] E. Rebeiz, A. Shahed hagh ghadam, M. Valkama, and D. Cabric, "Suppressing RF front-end nonlinearities in wideband spectrum sensing," in Proc.

International Conference on Cognitive Radio Oriented Wireless Networks

(CrownCom 2013), Washington D.C., July 2013.

[C122] A. Gokceoglu, S. Dikmese, M. Valkama, and M. Renfors, ”Enhanced energy detection for multi-band spectrum sensing under RF imperfections,” in Proc.

International Conference on Cognitive Radio Oriented Wireless

Networks (CrownCom 2013), Washington D.C., July 2013.

[C123] S. Dikmese, J.L. Wong, E. Guzzon, M. Valkama, and M. Renfors, “Reducing computational complexity of eigenvalue based spectrum sensing for cognitive radio,” in Proc.

International Conference on Cognitive Radio

Oriented Wireless Networks (CrownCom 2013), Washington D.C., July 2013.

[C124] J. Werner, J. Wang, A. Hakkarainen, M. Valkama, and D. Cabric, “Primary user DoA and RSS estimation in cognitive radio networks using sectorized antennas,” in Proc.

International Conference on Cognitive Radio

Oriented Wireless Networks (CrownCom 2013), Washington D.C., July 2013.

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[C125] A. Hakkarainen, J. Werner, K. R. Dandekar, and M. Valkama, “RF-aware widely-linear beamforming and nullsteering in cognitive radio transmitters,” in Proc.

International Conference on Cognitive Radio Oriented Wireless

Networks (CrownCom 2013), Washington D.C., July 2013.

[C126] L.-H. Wang, S.S. Bhattacharyya, A. Vosoughi, J.R. Cavallaro, M. Juntti, J. Boutellier, O. Silven, and M.

Valkama, “Dataflow modeling and design for cognitive radio networks,” in Proc.

International Conference on

Cognitive Radio Oriented Wireless Networks (CrownCom 2013), Washington D.C., July 2013.

[C127] S. Singh, M. Epp, M. Valkama, G. Vallant, and W. Schlecker, “A novel blind adaptive correction algorithm for 2channel time-interleaved ADCs,” in Proc. 19th IMEKO TC 4 Symposium and 17th IWADC Workshop Advances in

Instrumentation and Sensors Interoperability , Barcelona, Spain, July 2013.

[C128] S. Singh, M. Epp, G. Vallant, L. Anttila, and M. Valkama,”2-channel time-interleaved ADC frequency response mismatch correction using adaptive I/Q signal processing,” in Proc. IEEE Int. Midwest Symposium on Circuits and Systems (MWSCAS 2013), Columbus, OH, Aug. 2013.

[C129] A. Kiayani, L. Anttila, and M. Valkama, “Modeling and dynamic cancellation of TX-RX leakage in FDD transceivers,” in Proc. IEEE Int. Midwest Symposium on Circuits and Systems (MWSCAS 2013), Columbus, OH,

Aug. 2013.

[C130] S. Dikmese, A. Gokceoglu, M. Valkama, and M. Renfors, ”Reduced complexity spectrum sensing based on maximum eigenvalue and energy,” in Proc. International Symposium on Wireless Communication Systems

(ISWCS 2013), Ilmenau, Germany, Aug. 2013.

[C131] A. Hakkarainen, J. Werner, M. Renfors, K. Dandekar, and M. Valkama, ”RF-aware widely-linear MMSE beamforming” in Proc. International Symposium on Wireless Communication Systems (ISWCS 2013), Ilmenau,

Germany, Aug. 2013.

[C132] Q. Cui, J. Han, M. Valkama, T. Yuan, and X. Zhou, ” Energy-efficiency based power amplifier selection in twoway relay systems” in Proc. International Symposium on Wireless Communication Systems (ISWCS 2013),

Ilmenau, Germany, Aug. 2013.

[C133] J. Werner, A. Hakkarainen, and M. Valkama, “Cramer-Rao bounds for hybrid RSS-DOA based emitter position and transmit power estimation in cognitive radio systems,” in Proc.

IEEE Vehicular Technology Conference

(VTC 2013-Fall), Las Vegas, NV, Sept. 2013.

[C134] M. Fikadu and M. Valkama, “Error probability and power allocation analysis of cooperative relay networks over

Nakagami-q (Hoyt) fading channels,” in Proc.

IEEE Vehicular Technology Conference (VTC 2013-Fall), Las

Vegas, NV, Sept. 2013.

[C135] P. Sofotasios, T.A. Tsiftsis, K. Ho Van, S. Freear, L. Wilhelmsson, and M. Valkama, ”The kappa-mu/IG composite statistical distribution in RF and FSO wireless channels,” in Proc.

IEEE Vehicular Technology

Conference (VTC 2013-Fall), Las Vegas, NV, Sept. 2013.

[C136] H. Wang, Q. Cui, X. Tao, and M. Valkama, “Power allocation for cooperative broadcast channel with shared channel quality indicators,” in Proc.

IEEE Vehicular Technology Conference (VTC 2013-Fall), Las Vegas, NV,

Sept. 2013.

[C137] H. Niemeläinen, H.-L. Määttänen, and M. Valkama, “System-level studies for multi-user interference alignment in a homogeneous network,” in Proc.

IEEE Vehicular Technology Conference (VTC 2013-Fall), Las Vegas, NV,

Sept. 2013.

[C138] N. N. Tchamov, A. Hazmi, J. Rinne, M. Valkama, and M. Renfors, “Joint Mitigation of Carrier Frequency Offset and Phase Noise in DVB-T2 Receivers,” in Proc. IEEE Int. Conf. Consumer Electronics - Berlin (ICCE 2013-

Berlin), Berlin, Germany, Sept. 2013.

[C139] M. Allén, J. Marttila, and M. Valkama, “Wideband quadrature sigma-delta A/D conversion for cognitive radio - reconfigurable design and digital mirror-frequency suppression,” in Proc. 1st Int. Workshop Wideband Mobile

Cognitive Radio Commun. and Networks, Las Vegas, NV, Sep. 2013.

16 / 26


[C140] S. Thombre, J. Raasakka, T. Paakki, F. Della Rosa, M. Valkama, and J. Nurmi, “Automated test-bench infrastructure for GNSS receivers - case study of the TUTGNSS receiver,” in Proc. Institute of Navigation’s

GNSS+ (ION GNSS+ 2013), Nashville, Tennessee, USA, Sept. 2013.

[C141] A. Gokceoglu, S. Dikmese, M. Valkama, and M. Renfors, “Analysis and mitigation of RF IQ imbalance in eigenvalue based multichannel spectrum sensing,” in Proc. IEEE Int. Symp. Personal, Indoor and Mobile Radio

Communications (PIMRC 2013), London, UK, Sept. 2013.

[C142] M. Fikadu, P. Sofotasios, Q. Cui, and M. Valkama, “Energy-optimized cooperative relay network over Nakagamim fading channels,” in Proc.

IEEE Int. Conf. Wireless and Mobile Computing, Networking and Communications

( WiMob 2013 ) , Lyon, France, Oct. 2013.

[C143] B. Badihi Olyaei, J. Pirskanen, O. Raeesi, A. Hazmi, and M. Valkama, ”Performance comparison between slotted

IEEE 802.15.4 and IEEE 802.11ah in IoT based applications,” in Proc. IEEE WiMob 2013 Workshop on Internet of Things Communications and Technologies , Lyon, France, Oct. 2013.

[C144] P. Sofotasios, M. Fikadu, K. Ho-Van, and M. Valkama, "Energy detection sensing of unknown signals over weibull fading channels," in Proc. International Conference on Advanced Technologies for Communications

(ATC 2013), Hanoi, Vietnam, Oct. 2013.

[C145] M. Abdelaziz et al.

, “'Mobile transmitter digital predistortion: Feasibility analysis, algorithms and design exploration,” in Proc.

Asilomar Conference on Circuits, Systems and Computers , Pacific Grove, CA, Nov. 2013.

[C146] L. Anttila, D. Korpi, V. Syrjälä and M. Valkama, “Cancellation of power amplifier induced nonlinear selfinterference in full-duplex transceivers,” in Proc.

Asilomar Conference on Circuits, Systems and Computers ,

Pacific Grove, CA, Nov. 2013.

[C147] D. Korpi, S. Venkatasubramanian, T. Riihonen, L. Anttila, S. Tretyakov, M. Valkama, and R. Wichman,

“Advanced self-interference cancellation and multiantenna techniques for full-duplex radios,” in Proc.

Asilomar

Conference on Circuits, Systems and Computers , Pacific Grove, CA, Nov. 2013.

[C148] B. Schubert, A. Gokceoglu, L. Anttila, and M. Valkama, “Augmented volterra predistortion for joint mitigation of power amplifier and I/Q modulator impairments in wideband flexible radio,” in Proc.

IEEE Global Conf. on

Signal and Information Processing (GlobalSIP 2013), Austin, TX, Dec. 2013.

[C149] M. Allén, J. Marttila, M. Valkama, S. Mäkinen, M. Kosunen, and J. Ryynänen, “Digital linearization of directconversion spectrum sensing receiver,” in Proc.

IEEE Global Conf. on Signal and Information Processing

(GlobalSIP 2013), Austin, TX, Dec. 2013.

[C150] X. Lu, M. Valkama, J.R. Cavallaro, M. Juntti, J. Janhunen, and S.S. Bhattacharyya, “Subcarrier allocation and power control with LTE-A carrier aggregation,” in Proc.

IEEE Global Conf. on Signal and Information

Processing (GlobalSIP 2013), Austin, TX, Dec. 2013.

[C151] H.-L. Määttänen, H. Niemeläinen, J. Venäläinen, and M. Valkama, “System-level studies for single user and multiuser interference alignment in a heterogeneous network,” in Proc.

IEEE GLOBECOM 2013 (Broadband

Wireless Access Workshop), Atlanta, GA, Dec. 2013.

[C152] H. Noori and M. Valkama, “Impact of VANET-based V2X communication using IEEE 802.11p on reducing vehicles traveling time in realistic large scale urban area,” in Proc.

IEEE ICCVE 2013 , Las Vegas, NV, Dec.

2013.

[C153] M. Kankare, A. Asp, Y. Sydorov, J. Niemelä, and M. Valkama, “Large-scale femtocell network deployment and measurements,” in Proc.

IEEE Int. Workshop on Multiple Access Communications (MACOM’13), 2013.

[C154] J. Han, Q. Cui, C. Yang, M. Valkama, and X. Tao, “Optimized power allocation and spectrum sharing in device to device underlaying cellular systems,” in Proc.

IEEE Wireless Communications and Networking Conference (IEEE

WCNC’14), Istanbul, Turkey, April 2014.

17 / 26


[C155] S. Chaudhari, M. Kosunen, S. Mäkinen, M. Laatta, V. Koivunen, J. Ryynänen, and M. Valkama, “Measurement campaign for collaborative sensing using cyclostationary based mobile sensors,” in Proc. IEEE Symposium on

New Frontiers in Dynamic Spectrum Access Networks (IEEE DySPAN 2014), McLean, VA, April 2014.

[C156] X. Lu, A. Tölli, M. Juntti, L. Anttila, M. Valkama, J. R. Cavallaro and S.S. Bhattacharyya, “Multiuser frequency allocation with wideband power amplifier models,” in Proc.

IEEE Int. Conf. Acoust., Speech, Signal Processing

(IEEE ICASSP 2014), Florence, Italy, May 2014.

[C157] M. Abdelaziz, L. Anttila, A. Mohammadi, F. Ghanouchi, and M. Valkama, “Reduced-complexity power amplifier linearization for carrier aggregation mobile transceivers,” in Proc.

IEEE Int. Conf. Acoust., Speech, Signal

Processing (IEEE ICASSP 2014), Florence, Italy, May 2014.

[C158] M. Aghababaeetafreshi, L. Lehtonen, M. Soleimani, M. Valkama, and J. Takala, “IEEE 802.11ac MIMO transmitter baseband processing on customized VLIW processor,” in Proc.

IEEE Int. Conf. Acoust., Speech,

Signal Processing (IEEE ICASSP 2014), Florence, Italy, May 2014.

[C159] A. Ghazi, J. Boutellier, M. Abdelaziz, X. Lu, L. Anttila, J.R. Cavallaro, S.S. Bhattacharyya, M. Valkama, and M.

Juntti, ”Low Power Implementation of Digital Predistortion Filter on a Heterogeneous Application Specific

Múltiprocessor”, in Proc.

IEEE Int. Conf. Acoust., Speech, Signal Processing (IEEE ICASSP 2014), Florence,

Italy, May 2014.

[C160] L. Samara, V. Syrjälä, R. Hamila, and M. Valkama, “Phase Noise Mitigation in OFDMA Uplink,” in Proc.

International Symposium on Communications, Control, and Signal Processing (ISCCSP 2014), Athens, Greece,

May 2014.

[C161] A. Asp, Y. Sydorov, M. Keskikastari, M. Valkama, and J. Niemelä, “Impact of modern construction materials on radio signal propagation: Practical measurements and network planning aspects,” in Proc.

IEEE Vehicular

Technology Conf.

(VTC-2014 Spring), Seoul, Korea, May 2014.

[C162] T. Levanen, J. Talvitie, J. Pirskanen, and M. Valkama, “New spectrally and energy efficient flexible TDD based air interface for 5G small cells,” in Proc.

IEEE Vehicular Technology Conf.

(VTC-2014 Spring), Seoul, Korea,

May 2014.

[C163] O. Raeesi, J. Pirskanen, A. Hazmi, J. Talvitie, and M. Valkama, “Performance Enhancement and Evaluation of

IEEE 802.11ah Multi-Access Point Network using Restricted Access Window Mechanism,” in Proc. IEEE

International Conference on Distributed Computing in Sensor Systems (IEEE DCOSS 2014), Marina del Rey,

May 2014.

[C164] S. Singh, M. Epp, G. Vallant, L. Anttila, and M. Valkama, “A blind frequency response mismatch correction algorithm for 4-channel time-interleaved ADC,” in Proc.

IEEE Int. Symp. Circuits and Systems (IEEE ISCAS

2014), Melbourne, Australia, June 2014.

[C165] O. Raeesi, J. Pirskanen, A. Hazmi, and M. Valkama, “Performance evaluation of IEEE 802.11ah and its reduced access window mechanism,” in Proc. IEEE Int. Conf. Communications (IEEE ICC-2014), Sydney, Australia, June

2014.

[C166] T. Levanen, J. Pirskanen, T. Koskela, J. Talvitie, and M. Valkama, “Low latency radio interface for 5G flexible

TDD local area communications,” in Proc. IEEE Int. Conf. Communications (IEEE ICC-2014), Sydney,

Australia, June 2014.

[C167] M. Abdelaziz, L. Anttila, J. Cavallaro, S. Bhattacharyya, A. Mohammadi, F. Ghannouchi, M. Juntti, and M.

Valkama, “Low-complexity digital predistortion for reducing power amplifier spurious emissions in spectrallyagile flexible radio,” in Proc. 9th International Conference on Cognitive Radio Oriented Wireless Networks

(CROWNCOM 2014), Oulu, Finland, June 2014.

[C168] A. Hakkarainen, J. Werner, K. Dandekar, and M. Valkama, “Interference suppression with antenna arrays in

OFDM systems under transceiver I/Q imbalance,” in Proc. 9th International Conference on Cognitive Radio

Oriented Wireless Networks (CROWNCOM 2014), Oulu, Finland, June 2014.

18 / 26


[C169] P. C. Sofotasios, M. Valkama, T.A. Tsifitsis, Y.A Brychkov, S. Freear, and G. K Karagiannidis, “Analytic

Solutions to a Marcum Q − Function-Based Integral and Application in Energy Detection of Unknown Signals over

Multipath Fading Channels,” in Proc. 9th International Conference on Cognitive Radio Oriented Wireless

Networks (CROWNCOM 2014), Oulu, Finland, June 2014.

[C170] S. Dikmese, P. Sofotasios, M. Renfors, and M. Valkama, “Maximum & Minimum Energy Based Spectrum

Sensing under Frequency Selectivity for Cognitive Radios,” in Proc. 9th International Conference on Cognitive

Radio Oriented Wireless Networks (CROWNCOM 2014), Oulu, Finland, June 2014.

[C171] M. Allén, J. Marttila, M. Valkama, M. Grimm and R. Thomä, ”Digital post-processing based wideband receiver linearization for enhanced spectrum sensing and access,” in Proc. 9th Int. Conf. Cognitive Radio Oriented

Wireless Networks (CROWNCOM 2014 ) , Oulu, Finland, June 2014.

[C172] D. Korpi, L. Anttila, and M. Valkama, “Feasibility of Inband Full-Duplex Radio Transceivers with Imperfect RF

Components: Analysis and Enhanced Cancellation Algorithms,” in Proc. 9th Int. Conf. Cognitive Radio Oriented

Wireless Networks (CROWNCOM 2014 ) , Oulu, Finland, June 2014.

[C173] A. Hakkarainen, J. Werner, N. Gulati, D. Patron, D. Pfeil, H. Paaso, A. Mämmelä, K. Dandekar, and M. Valkama,

“Recon fi gurable antenna based DoA estimation and localization in cognitive radios: Low complexity algorithms and practical measurements,” in Proc. 9th International Conference on Cognitive Radio Oriented Wireless

Networks (CROWNCOM 2014), Oulu, Finland, June 2014.

[C174] S. A. Razavi, M. Valkama, and D. Cabric, “Signature-Assisted Rendezvous in OFDM- Based Cognitive Networks

Using sub-Nyquist Samples,” in Proc. 8th IEEE International Workshop on Sensor Array and Multichannel

Signal Processing , (IEEE SAM 2014), Coruna, Spain, June 2014.

[C175] A. Kiayani, M. Abdelaziz, L. Anttila, V. Lehtinen and M. Valkama, “DSP-based suppression of spurious emissions at RX band in carrier aggregation FDD transceivers,” in Proc.

European Signal Processing Conference

(EUSIPCO 2014), Lisbon, Portugal, Sept. 2014.

[C176] Y. Zou, O. Raeesi, and M. Valkama, “Efficient Estimation and Compensation of Transceiver Non-reciprocity in

Precoded TDD Multi-User MIMO-OFDM Systems,” in Proc.

IEEE Vehicular Technology Conference (VTC

2014-Fall), Vancouver, Canada, Sept. 2014.

[C177] Y. Zou, O. Raeesi, R. Wichman, A. Tolli, and M. Valkama, “Analysis of channel non-reciprocity due to transceiver and antenna coupling mismatches in TDD precoded multi-user MIMO-OFDM downlink,” in Proc.

IEEE Vehicular Technology Conference (VTC 2014-Fall), Vancouver, Canada, Sept. 2014.

[C178] S.F. Yunas, J. Niemelä, M. Valkama, and T. Isotalo, “Techno-economical analysis and comparison of legacy and ultra-dense small cell networks,” in Proc.

IEEE Local Computer Networks Conference (IEEE LCN 2014),

Edmonton, Canada, Sept. 2014.

[C179] S.F. Yunas, A. Asp, J. Niemelä, and M. Valkama, “Deployment Strategies and Performance Analysis of

Macrocell and Femtocell Networks in Suburban Environment with Modern Buildings,” in Proc.

IEEE

International Workshop on Performance and Management of Wireless and Mobile Networks , Edmonton, Canada,

Sept. 2014.

[C180] S.F. Yunas, M. Valkama, and J. Niemelä, “Cell planning for outdoor distributed antenna systems in dense urban areas,” in Proc.

IEEE Int. Symp. Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2014),

Washington, D.C. Sept. 2014.

[C181] S.F. Yunas, M. Valkama, and J. Niemelä, “Spectral efficiency of dynamic DAS with extreme downtilt antenna configuration” in Proc. 16th International Telecommunications Network Strategy and Planning Symposium

(NETWORKS), Funchal, Madeira Island, Portugal, Sept. 2014.

[C182] M. AghababaeeTafreshi, L. Lehtonen, T. Levanen, M. Valkama, and J. Takala, “IEEE 802.11ac MIMO Receiver

Baseband Processing on Customized VLIW Processor ,” in Proc.

IEEE Int. Workshop on Signal Processing

Systems (IEEE SIPS 2014), Belfast, UK, Oct. 2014.

19 / 26


[C183] M. Fikadu, P.C. Sofotasios, M. Valkama, and Q. Cui, “Analytic Performance Evaluation of M-QAM Based

Decode-and-Forward Relay Networks Over Enriched Multipath Fading Channels,” in Proc.

IEEE Int. Conf.

Wireless and Mobile Computing, Networking and Communications (IEEE WiMob 2014), Larnaca, Cyprus, Oct.

2014.

[C184] D. Korpi, L. Anttila, and M. Valkama, “Impact of Received Signal on Self-interference Channel Estimation and

Achievable Rates in In-band Full-duplex Transceivers,” in Proc.

Asilomar Conference on Signals, Systems, and

Computers , Pacific Grove, CA, Nov. 2014.

[C185] T. Levanen, J. Pirskanen, and M. Valkama, “Dense small-cell networks: Rethinking the radio interface beyond

LTE-Advanced,” in Proc.

International Conference on 5G for Ubiquitous Connectivity (5GU 2014), Levi,

Finland, Nov. 2014.

[C186] P. C. Sofotasios, M. Fikadu, K. Ho-Van, M. Valkama, , and G. K Karagiannidis, “The Area Under a Receiver

Operating Characteristic Curve Over Enriched Multipath Fading Conditions,” in Proc.

IEEE Global

Communications Conf. (GLOBECOM 2014), Austin, TX, Dec. 2014.

[C187] A. Hakkarainen, J. Werner, K. Dandekar, and M. Valkama, “Precoded Massive MU-MIMO Uplink Transmission under Transceiver I/Q Imbalance,” in Proc. IEEE GLOBECOM 2014 (Massive MIMO: From theory to practice workshop), Austin, TX, Dec. 2014.

[C188] D. Korpi, L. Anttila, and M. Valkama, “Reference Receiver Aided Digital Self-Interference Cancellation in

MIMO Full-Duplex Transceivers,” in Proc.

IEEE GLOBECOM 2014 (Broadband Wireless Access workshop),

Austin, TX, Dec. 2014.

[C189] L. Anttila, D. Korpi, E. Antonio-Rodriguez, R. Wichman and M. Valkama, “Modeling and Ef fi cient Cancellation of Nonlinear Self-Interference in MIMO Full-Duplex Transceivers,” in Proc. IEEE GLOBECOM 2014

(International Workshop on Emerging Technologies for 5G Wireless Cellular Networks), Austin, TX, Dec. 2014.

[C190] T. Levanen, J. Pirskanen and M. Valkama, “Radio Interface Design for Ultra-Low Latency Millimeter-Wave

Communications in 5G Era,” in Proc. IEEE GLOBECOM 2014 (International Workshop on Ultra-Low Latency and Ultra-High Reliability in Wireless Communications), Austin, TX, Dec. 2014.

[C191] O. Raeesi, Y. Zou, A. Tölli, and M. Valkama, “Closed-form Analysis of Channel Non-Reciprocity Due to

Transceiver and Antenna Coupling Mismatches in Multi-user Massive MIMO Network,” in Proc.

IEEE

GLOBECOM 2014 (Massive MIMO: From theory to practice workshop), Austin, TX, Dec. 2014.

[C192] D. Korpi, T. Riihonen, and M. Valkama, ”Achievable rate regions and self-interference channel estimation in hybrid full-duplex/half-duplex radio links,” in Proc. 49th Annual Conference on Information Sciences and

Systems (CISS), Baltimore, MD, March 2015.

[C193] V. Syrjälä and M. Valkama, “Coexistence of LTE and WLAN in Unlicensed Bands: Full-Duplex Spectrum

Sensing,” in Proc. International Conference on Cognitive Radio Oriented Wireless Networks (CROWNCOM’15),

Doha, Qatar, Apr. 2015.

[C194] T. Huusari, Y.-S. Choi, P. Liikkanen, D. Korpi, S. Talwar, and M. Valkama, "Wideband Self-Adaptive RF

Cancellation Circuit for Full-Duplex Radio: Operating Principle and Measurements," in Proc.

IEEE Vehicular

Technology Conference (VTC 2015-Spring), Glasgow, Scotland, May 2015.

[C195] A. Asp, A. Baniya, S. Yunas, J. Niemelä and M. Valkama, “Applicability of Frequency Selective Surfaces to

Enhance Mobile Network Coverage in Future Energy-Efficient Built Environments,” in Proc. European Wireless

(EW 2015), Budapest, Hungary, May 2015.

[C196] M. Qutab-ud-din, A. Hazmi, B. Badihi, A. Larmo, J. Torsner, and M. Valkama, “Performance Analysis of IoT-

Enabling IEEE 802.11ah Technology and its RAW Mechanism with Non-Cross Slot Boundary Holding

Schemes,” in Proc. IEEE International Symposium on World of Wireless, Mobile and Multimedia Networks (IEEE

WoWMoM 2015), Boston, MA, June 2015.

20 / 26


[C197] S. Dikmese, Z. Zhenyu, P.C. Sofotasios, M. Renfors, and M. Valkama, “Efficient Wireless Microphone sensing:

Subband energy detector principle and measured performance,” in Proc. IEEE Int. Conf. Communications (IEEE

ICC 2015), London, UK, June 2015.

[C198] A. Bagheri, P.C. Sofotasios, T.A. Tsiftsis, A. Shahzadi, and M. Valkama, “Spectrum Sensing in Generalized

Multipath Fading Conditions Using Square-Law Combining,” in Proc. IEEE Int. Conf. Communications (IEEE

ICC 2015), London, UK, June 2015.

[C199] A. Bagheri, P.C. Sofotasios, T.A. Tsiftsis, A. Shahzadi, and M. Valkama, “AUC Study of Energy Detection Based

Spectrum Sensing over η−μ and α−μ Fading Channels,” in Proc. IEEE Int. Conf. Communications (IEEE ICC

2015), London, UK, June 2015.

[C200] D. Korpi, T. Huusari, Y.-S. Choi, L. Anttila, S. Talwar, and M. Valkama, ”Digital Self-Interference Cancellation under Nonideal RF Components: Advanced Algorithms and Measured Performance,” in Proc. IEEE Int.

Workshop on Signal Processing Advances in Wireless Communications (IEEE SPAWC 2015), Stockholm,

Sweden, June 2015.

[C201] A. Hakkarainen, J. Werner, M. Renfors, K. R. Dandekar, and M. Valkama, "Transceiver I/Q Imbalance and

Widely-Linear Spatial Processing in Large Antenna Systems,“ in Proc. 12th International Symposium on Wireless

Communication Systems (ISWCS 2015), Brussels, Belgium, Aug. 2015.

[C202] V. Syrjälä, M. Valkama, M. Allen, and K. Yamamoto, “Simultaneous Transmission and Spectrum Sensing in

OFDM Systems Using Inband Full-Duplex Radios,” in Proc.

IEEE Vehicular Technology Conference (IEEE VTC

2015-Fall), Boston, MA, Sept. 2015.

[C203] T. Levanen, J. Venäläinen and M. Valkama, “Interference Analysis and Performance Evaluation of 5G Flexible-

TDD based Dense Small-Cell System,” in Proc.

IEEE Vehicular Technology Conference (IEEE VTC 2015-Fall),

Boston, MA, Sept. 2015.

[C204] D. Korpi, T. Riihonen, K. Haneda, K. Yamamoto, and M. Valkama, “Achievable Transmission Rates and Selfinterference Channel Estimation in Hybrid Full-Duplex/Half-Duplex MIMO Relaying,” in Proc.

IEEE Vehicular

Technology Conference (IEEE VTC 2015-Fall), Boston, MA, Sept. 2015.

[C205] G. Li, A. Hu, Y. Zou, L. Peng, and M. Valkama, “A Novel Transform for Secret Key Generation in Time-varying

TDD Channel under Hardware Fingerprint Deviation,” in Proc.

IEEE Vehicular Technology Conference (IEEE

VTC 2015-Fall), Boston, MA, Sept. 2015.

[C206] A. Hakkarainen, J. Werner, M. Costa, K. Leppänen and M. Valkama, “High-Efficiency Device Localization in 5G

Ultra-Dense Networks: Prospects and Enabling Technologies,” in Proc. IEEE Vehicular Technology Conference

(IEEE VTC 2015 Fall), Boston, MA, Sept. 2015.

[C207] M. Abdelaziz, L. Anttila, S. Dikmese, M. Renfors, A. Wyglinski, and M. Valkama, “Flexible Digital Predistortion for Future Spectrally-Agile Waveforms and 5G Radio Systems,” in Proc. IEEE Vehicular Technology Conference

(IEEE VTC 2015 Fall), Boston, MA, Sept. 2015.

[C208] S. Dikmese, M. Abdelaziz L. Anttila, M. Renfors, and M. Valkama, “Dynamic and Flexible Spectrum Use with

Frequency Localized Waveforms under Transmitter Nonidealities,” in Proc. IEEE Vehicular Technology

Conference (IEEE VTC 2015 Fall), Boston, MA, Sept. 2015.

[C209] S. Ki Yoo, S. Cotton, P.C. Sofotasios, M. Matthaiou, M. Valkama, and G.K. Karagiannidis, “The kappa - mu /

Inverse Gamma Fading Model,” in Proc. IEEE Annual International Symposium on Personal, Indoor and Mobile

Radio Communications (IEEE PIMRC 2015), Hong Kong, China, Aug.-Sept. 2015.

[C210] A.A. Boulogeorgos, P.C. Sofotasios, S. Muhaidat, M. Valkama, and G.K. Karagiannidis, “The effects of RF impairments in Vehicle-to-Vehicle Communications,” in Proc. IEEE Annual International Symposium on

Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2015), Hong Kong, China, Aug.-Sept. 2015.

[C211] L. Mohjazi, D. Dawoud, P.C. Sofotasios, S. Muhaidat, M. Dianati, M. Valkama, and G.K. Karagiannidis, “Unified

Analysis of Cooperative Spectrum Sensing over Generalized Multipath Fading Channels,” in Proc. IEEE Annual

21 / 26


International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2015), Hong

Kong, China, Aug.-Sept. 2015.

[C212] M. Fikadu, P.C. Sofotasios, M. Valkama, Q. Cui, and G.K. Karagiannidis, “'Energy-Efficiency Analysis of

Regenerative Cooperative Systems Under Spatial Correlation,” in Proc. IEEE Annual International Symposium on


[C213] S. Ki Yoo, P.C. Sofotasios, S. Cotton, M. Matthaiou, M. Valkama, and G.K. Karagiannidis, “The eta - mu /

Inverse Gamma Composite Fading Model,” in Proc. IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2015), Hong Kong, China, Aug.-Sept. 2015.

[C214] A. Bagheri, P.C. Sofotasios, T.A. Tsiftsis, A. Shahzadi, S. Freear and M. Valkama, “Area under ROC Curve of

Energy Detection over Generalized Fading Channels,” in Proc. IEEE Annual International Symposium on


[C215] M. Fikadu, P.C. Sofotasios, M. Valkama, S. Muhaidat, Q. Cui, and G. Karagiannidis, “Outage Probability

Analysis of Dual-hop Full-Duplex Decode-and-Forward Relaying over Generalized Multipath Fading

Conditions,” in Proc.

IEEE Int. Conf. Wireless and Mobile Computing, Networking and Communications (IEEE

WiMob 2015), Abu Dhabi, UAE, Oct. 2015.

[C216] M. Fikadu, P.C. Sofotasios, M. Valkama, Q. Cui, S. Muhaidat, and G. Karagiannidis, “Analytic Symbol Error

Rate Evaluation of M − PSK Based Regenerative Cooperative Networks Over Generalized Fading Channels,” in

Proc.

IEEE Int. Conf. Wireless and Mobile Computing, Networking and Communications (IEEE WiMob 2015),

Abu Dhabi, UAE, Oct. 2015.

[C217] S. Singh, M. Epp, W. Schlecker, and M. Valkama, “Low-Complexity Digital Correction of 4-Channel Time-

Interleaved ADC Frequency Response Mismatch using Adaptive I/Q Signal Processing,” in Proc.

IEEE Global

Conf. on Signal and Information Processing (IEEE GlobalSIP 2015), Orlando, FL, Dec. 2015.

[C218] K. Li, A. Ghazi, J. Boutellier, M. Abdelazizz, L. Anttila, M. Juntti, M. Valkama, and J.R. Cavallaro, “Mobile

GPU Accelerated Digital Predistortion on a Software-defined Mobile Transmitter,” in Proc.

IEEE Global Conf. on Signal and Information Processing (IEEE GlobalSIP 2015), Orlando, FL, Dec. 2015.

[C219] O. Raeesi, Y. Zou, A. Tölli, and M. Valkama, “On the Effects of UE Transceiver Non-Reciprocity in Coordinated

TDD Multi-Cell MIMO Network,” in Proc.

IEEE Global Communications Conf. (IEEE GLOBECOM 2015), San

Diego, CA, Dec. 2015.

[C220] J. Werner, M. Costa, A. Hakkarainen, K. Leppänen and M. Valkama, “Joint User Node Positioning and Clock

Offset Estimation in 5G Ultra-Dense Networks,” in Proc.

IEEE Global Communications Conf. (IEEE

GLOBECOM 2015), San Diego, CA, Dec. 2015.

[C221] D. Korpi, Y.-S. Choi, T. Huusari, L. Anttila, S. Talwar, and M. Valkama, “Adaptive Nonlinear Digital Selfinterference Cancellation for Mobile Inband Full-Duplex Radio: Algorithms and RF Measurements,” in Proc.

IEEE Global Communications Conf. (IEEE GLOBECOM 2015), San Diego, CA, Dec. 2015.

[C222] A. Razavi, M. Valkama and D. Cabric, “Compressive Identification of Active OFDM Subcarriers in Presence of

Timing Offset,” in Proc.

IEEE Global Communications Conf. (IEEE GLOBECOM 2015), San Diego, CA, Dec.

2015.

[C223] M. Fikadu, P.C. Sofotasios, M. Valkama, Q. Cui, S. Muhaidat, G. Karagiannidis, “Outage Probability Analysis of

Full-Duplex Regenerative Relaying over Generalized Asymmetric Fading Channels,” in Proc.

IEEE Global

Communications Conf. (IEEE GLOBECOM 2015), San Diego, CA, Dec. 2015.

[C224] S. Dikmese, P.C. Sofotasios, M. Renfors, M. Valkama, and M. Ghogho, “Analysis of Noise Uncertainty and

Frequency Selectivity Effects in Wideband Multimode Spectrum Sensing,” in Proc.

IEEE Global

Communications Conf. (IEEE GLOBECOM 2015), San Diego, CA, Dec. 2015.

22 / 26


[C225] Y. Zou, O. Raeesi, L. Antilla, A. Hakkarainen, J. Vieira, F. Tufvesson, Q. Cui and M. Valkama, “Impact of Power

Amplifier Nonlinearities in Multi-user Massive MIMO Downlink,” in Proc.

IEEE Global Communications Conf.

(IEEE GLOBECOM 2015), San Diego, CA, Dec. 2015.

[C226] A. Razavi, M. Valkama, and E.-S. Lohan, “K-Means Fingerprint Clustering for Low-Complexity Floor Estimation in Indoor Mobile Localization,” in Proc.

IEEE Global Communications Conf. (IEEE GLOBECOM 2015), San

Diego, CA, Dec. 2015.

[C227] M. Renfors, J. Yli-Kaakinen, T. Levanen, M. Valkama, T. Ihalainen, J. Vihriälä, “Efficient Fast-Convolution

Implementation of Filtered CP-OFDM Waveform Processing for 5G,” in Proc.

IEEE Global Communications

Conf. (IEEE GLOBECOM 2015), San Diego, CA, Dec. 2015.

[C228] M. AghababaeeTafreshi, J. Yli-Kaakinen, T. Levanen, V. Korhonen, P. Jääskeläinen, M. Renfors, M. Valkama, and J. Takala, “Parallel Processing Intensive Digital Front-End for IEEE 802.11ac Receiver,” in Proc.

Asilomar

Conference on Signals, Systems, and Computers , Pacific Grove, CA, Nov. 2015.

[C229] A. Ghazi, J. Boutellier, L. Anttila, M. Juntti and M. Valkama, “Data-Parallel Implementation of Reconfigurable

Digital Predistortion on a Mobile GPU,” in Proc.

Asilomar Conference on Signals, Systems, and Computers ,

Pacific Grove, CA, Nov. 2015.

[C230] M. Allén, J. Marttila, M. Valkama, S. Singh, M. Epp, and W. Schlecker, “Digital Full-Band Linearization of

Wideband Direct-Conversion Receiver for Radar and Communications Applications,” in Proc.

Asilomar

Conference on Signals, Systems, and Computers , Pacific Grove, CA, Nov. 2015.

[C231] M. Abdelaziz, C. Tarver, K. Li, L. Anttila, M. Valkama, and J. R. Cavallaro, “Sub-band Digital Predistortion for

Noncontiguous Transmissions: Algorithm Development and Real-Time Prototype Implementation,” in Proc.

Asilomar Conference on Signals, Systems, and Computers , Pacific Grove, CA, Nov. 2015.

[C232] A. Bagheri, P. C. Sofotasios, T. Tsiftsis, K. Ho Van, M. Loupis, S. Freear and M. Valkama, “Energy Detection

Based Spectrum Sensing over Enriched Multipath Fading Channels,” IEEE Wireless Communications and

Networking Conf.

(IEEE WCNC 2016), Doha, Qatar, April 2016, accepted, to appear.

[C233] T. Levanen, M. Renfors, T. Ihalainen, E. Lähetkangas, V. Syrjälä, and M. Valkama, “On the Performance of Time

Constrained OQAM-OFDM Waveforms with Preamble Based Channel Estimation,” IEEE Wireless

Communications and Networking Conf.

(IEEE WCNC 2016), Doha, Qatar, April 2016, accepted, to appear.

[C234] A. Gokceoglu, E. Björnson, E. G. Larsson, and M. Valkama, “Waveform Design for Massive MISO Downlink with Energy-Efficient Receivers Adopting 1-bit ADCs,” IEEE Int. Conf. Communications (IEEE ICC 2016),

Kuala Lumpur, Malaysia, May 2016, accepted, to appear.

[C235] M. Martelius, K. Stadius, J. Lemberg, T. Nieminen, E. Roverato, M. Kosunen, L. Anttila, M. Valkama, and J.

Ryynänen, “Class D CMOS Power Amplifier with On/Off Logic for a Multilevel Outphasing Transmitter,” IEEE

Int. Symp. Circuits and Systems (IEEE ISCAS 2016), Montreal, Canada, May 2016, accepted, to appear.

[C236] L. Li, A. Ghazi, J. Boutellier, L. Anttila, M. Valkama, E. Bertino, and S. S. Bhattacharyya, “Evolutionary Multiobjective Optimization for Digital Predistortion Architectures,” International Conference on Cognitive Radio

Oriented Wireless Networks (CROWNCOM 2016), Grenoble, France, May-June 2016, accepted, to appear.

[C237] S. Dikmese, Z. Ilyas, P. C. Sofotasios, M. Renfors and M. Valkama, “Novel Frequency Domain Cyclic Pre fi x

Autocorrelation based Compressive Spectrum Sensing for Cognitive Radio,” IEEE Vehicular Technology

Conference (IEEE VTC 2016 Spring), Nanjing, China, May 2016, accepted, to appear.

[C238] E. Manuzzato, T. Huusari, J. Tamminen, M. Turunen, D. Korpi, S.-Y. Suh, Tae-Young Yang, Y.-S. Choi, S.

Talwar, and M. Valkama, “Digitally-Controlled Electrical Balance Duplexer for Transmitter-Receiver Isolation in

Full-Duplex Radio,” European Wireless Conference (EW 2016), accepted, to appear.

[C239] M. Qutab-ud-din, A. Hazmi, L. F. Del Carpio, A. Gokceouglu, B. Badihi, P. Amin, A. Larmo, and M. Valkama,

“Duty Cycle Challenges of IEEE 802.11ah Networks in M2M and IoT Applications,” European Wireless

Conference (EW 2016), accepted, to appear.

23 / 26


[C240] A. Asp, V. Kilpeläinen, S. Yunas, J. Niemelä and M. Valkama, ”Passive Intermodulation and Network Planning

Challenges in Future Indoor Networks and Energy Efficient Buildings,” European Wireless Conference (EW

2016), accepted, to appear.

[C241] O. Raeesi, A. Gokceoglu, Y. Zou, Q. Cui, and M. Valkama, “Estimation of BS Transceiver Non-Reciprocity in

Multi-User Massive MIMO Systems,” European Wireless Conference (EW 2016), accepted, to appear.

[C242] M. Renfors, J. Yli-Kaakinen, and M. Valkama, “Power Amplifier Effects on Frequency Localized 5G Candidate

Waveforms,” European Wireless Conference (EW 2016), accepted, to appear.

[C243] M. K. Fikadu, P. C. Sofotasios, S. Muhaidat, Q. Cui, and M. Valkama, “SER of M-QAM Decode-and-Forward

Multi-Relay Systems under Generalized Fading Conditions,” IEEE International Conference on

Telecommunications (IEEE ICT 2016), accepted, to appear.

[C244] A.-A. Boulogeorgos, P. C. Sofotasios, B. Selim, S. Muhaidat, G. K. Karagiannidis, and M. Valkama, “Outage

Probability under I/Q Imbalance and Cascaded Fading Effects,” IEEE International Conference on

Telecommunications (IEEE ICT 2016), accepted, to appear.

[C245] S. Al Maeeni, P. C. Sofotasios, S. Muhaidat, and M. Valkama, “Error Analysis of Differentially Modulated

Cooperative Systems Under Generalized Fading,” IEEE International Conference on Telecommunications (IEEE

ICT 2016), accepted, to appear.

[C246] D. Korpi, T. Riihonen, and M. Valkama, “Self-backhauling Full-Duplex Access Node with Massive Antenna

Arrays: Power Allocation and Achievable Sum-Rate,” European Signal Processing Conference (EUSIPCO 2016), submitted.

[C247] J. Tamminen, D. Korpi, M. Turunen, T. Huusari, Y.-S. Choi, S. Talwar, and M. Valkama, “Digitally-Controlled

RF Self-Interference Canceller for Full-Duplex Radios,” European Signal Processing Conference (EUSIPCO

2016), submitted.

[C248] J. Yli-Kaakinen, T. Levanen, M. Aghababaeetafreshi, M. Renfors, and M. Valkama, “Optimization of Parallel

Processing Intensive Digital Front-End for IEEE 802.11ac Receiver,” European Signal Processing Conference

(EUSIPCO 2016), submitted.

[C249] D. Korpi, L. Anttila, and M. Valkama, “Asymmetric Full-Duplex with Contiguous Downlink Carrier

Aggregation,” IEEE Int. Workshop on Signal Processing Advances in Wireless Communications (IEEE SPAWC

2016), submitted.

[C250] L. Li, A. Ghazi, J. Boutellier, L. Anttila, M. Valkama, and S. S. Bhattacharyya, “Multi-objective Design

Optimization for Adaptive Digital Predistortion Architectures,” IEEE Int. Conf. Application-specific Systems,

Architectures and Processors (IEEE ASAP 2016), submitted.

[C251] V. Syrjälä, T. Levanen, E. Lähetkangas, and M. Valkama, “Efficient Time-Domain Phase Noise Mitigation for

OFDM-Based 5G Mobile Communications,” International Symposium on Wireless Communication Systems

(ISWCS 2016), submitted.

[C252] P. Kela, M. Costa, J. Turkka, M. Koivisto, J. Werner, A. Hakkarainen, M. Valkama, R. Jäntti, and K Leppänen,

“Position Based Beamforming in 5G Ultra-Dense Networks,” IEEE Vehicular Technology Conference (IEEE

VTC 2016 Fall), Montreal, Canada, submitted.

[C253] D. Korpi, T. Riihonen and M. Valkama, “Transmit Power Optimization for Self-backhauling Radio Access

Systems under QoS Constraints,” IEEE Global Communications Conf. (IEEE GLOBECOM 2016), submitted.

Publications / D

(Articles in Finnish scientific compilation works and in Finnish scientific conference proceedings with referee practice)

[N1] M. Valkama and M. Renfors, “I/Q imbalance compensation in a low-IF receiver,” in Proc.

URSI / IEEE XXIV

National Convention on Radio Science , Turku, Finland, Oct. 1999, pp. 104-105.

24 / 26


[N2] M. Valkama, K. Salminen, and M. Renfors, “Digital I/Q imbalance compensation using measured front-end signals,” in Proc.

URSI / IEEE XXVI National Convention on Radio Science , Tampere, Finland, Oct. 2001, pp. 110-

113.

[N3] C. Caballero Gaudes, M. Valkama, and M. Renfors, “A novel frequency synthesizer concept for wireless communications,” in Proc.

URSI / IEEE XXVII National Convention on Radio Science , Helsinki, Finland, Oct.

2002, pp. 46-48.

[N4] A. Asp, J. Suviola, M. Valkama, and M. Renfors, “Practical aspects of I/Q signal processing in receiver frontends,” in Proc. Finnish Wireless Commun. Workshop , Oulu, Finland, Oct. 2003, pp. 46-49.

[N5] V. Syrjälä, M. Valkama, and M. Renfors, “Efficient jitter model for high-frequency bandpass sampling,” in Proc.

Finnish Wireless Commun. Workshop , Oulu, Finland, Aug. 2007.

[N6] V. Syrjälä, M. Valkama, and M. Renfors, “Design considerations for direct RF sampling receiver in GNSS environment,” in Proc.

Finnish Wireless Commun. Workshop , Oulu, Finland, Aug. 2007.

[N7] J. Talvitie, M. Valkama, H. Huttunen, and M. Laaksonen, ” Sitikka – motivointia matematiikan opiskeluun,” in

ReflekTori 2010 Symposium of Engineering Education , Helsinki, Finland, Dec. 2010.

[N8] D. Korpi, M. Valkama, T. Riihonen, and R. Wichman, "Implementation challenges in full-duplex radio transceivers", XXXIII Finnish URSI Convention on Radio Science , Espoo, Finland, April 2013.

Publications / E

(Scientific theses and monographs)

[T1] M. Valkama, “Advanced I/Q signal processing for wideband receivers: Models and algorithms,” Ph.D. thesis

(with honors), Tampere University of Technology, Dec. 2001.

[T2] M. Valkama, “Advanced DSP for I/Q imbalance compensation in digital receivers,” M.Sc. thesis (with honors),

Tampere University of Technology, Jan. 2000.

Publications / F

(Other selected scientific publications and work)

[O1] M. Valkama, “I/Q imbalance compensation on measured low-IF receiver front-end signals,” Telecommunications

Laboratory, Tampere University of Technology, Tampere, Finland, Technical Report 1-2001, Sept. 2001.

[O2] M. Valkama, “I/Q signal separation in direct-conversion radio receivers,” invited presentation at Nordic Conf.

Mathematical Statistics , Jyväskylä, Finland, June 2004.

[O3] M. Renfors and M. Valkama, “Multirate I/Q signal processing for communications systems,” half-day tutorial presentation in IEEE Int. Symp. Circuits Syst. (ISCAS’06), Kos Island, Greece, May 2006.

[O4] M. Valkama and M. Renfors, “Advanced signal processing techniques for compensation of analog RF impairments in software defined radios,” half-day tutorial presentation in IEEE Int. Symp. Circuits Syst.

(ISCAS’06), Kos Island, Greece, May 2006.

[O5] M. Valkama and V. Koivunen, “Circular and non-circular complex random signals with applications in wireless communications,” half-day tutorial presentation in IEEE Int. Conf. Acoust., Speech, Signal Processing

(ICASSP’07), Hawaii, HI, USA, Apr. 2007.

[O6] T. Huovinen, A. Shahed, and M. Valkama, “Higher-order blind estimation of generalized eigenfilters using ICA,”

Department of Communications Engineering, Tampere University of Technology, Tampere, Finland, Technical

Report 1-2008, 2008.

[O7] M. Renfors, J. Cavallaro, M. Juntti, and M. Valkama, “Signal processing in wireless systems,” full-day tutorial in

Int. Symp. System-on-Chip (SOC’09), Tampere, Finland, Oct. 2009.

[O8] M. Valkama and R. Wichman, “Digitaalisesti ehostettua RF-signaalia,” Finnish Prosessori -magazine, March

2010, 5 pp.

25 / 26


[O9] M. Valkama, M. Renfors, M. Kosunen and J. Ryynänen, “Joustoa spektrinkäyttöön,” Finnish Prosessori magazine, Nov-Dec 2011, pp. 26-28.

[O10] A. Kiayani, L. Anttila and M. Valkama, “Mobile transmitter I/Q imbalances in LTE uplink: Analysis and mitigation,” Digital-RF and Digitally-Enhanced Transceiver Architectures Workshop at European Microwave

Week (EuMW 2012), Amsterdam, the Netherlands, Oct. 2012.

[O11] B. Badihi Olyaei, O. Raeesi, J. Pirskanen, A. Hazmi, M. Valkama, "Throughput performance comparison between

IEEE 802.11ah and ZigBee," in Fourth Nordic Workshop on System and Network Optimization for Wireless

(SNOW 2013), April 2013.

[O12] O. Raeesi, A. Hazmi, J. Pirskanen, M. Valkama, "Link Adaptation Performance Evaluation in IEEE 802.11ah," in

Fourth Nordic Workshop on System and Network Optimization for Wireless (SNOW 2013), April 2013.

[O13] S. Thombre, N. N. Tchamov, M. Valkama, and J. Nurmi, “Galileo receiver sensitivity degradation due to phase noise of the radio front-end PLL”, in ESA Proceedings of 4th International Colloquium Scientific and

Fundamental Aspects of the Galileo Programme , Prague, Czech Republic, Dec. 2013.

[O14] M. Aghababaeetafreshi, L. Lehtonen, M. Soleimani, M. Valkama, and J. Takala, “Feasibility of IEEE 802.11ac

MIMO Transmitter and Receiver Physical-Layer Baseband Processing on Customized VLIW Processor”, 2014

Cadence User Conference , Munich, Germany, May 2014.

[O15] M. Valkama, “Modeling and Digital Suppression of Transmitter-Receiver Leakage in Frequency-Division

Duplexing Radio Transceivers,” IEEE Int. Microwave Symposium (IMS 2014), How Digital can RF Go – workshop, Tampa Bay, FL, June 2014.

[O16] M. Valkama, M. Juntti, Shuvra S. Bhattacharyya, Joseph R. Cavallaro, and J. Boutellier, “Cross-layer Design and

Implementation Aspects for Cognitive Radio: Devices and Systems,” half-day tutorial presented in International

Conference on Cognitive Radio Oriented Wireless Networks (CROWNCOM’14), Oulu, Finland, June 2014.

26 / 26

list of publications

Publications – Dr. Mikko Valkama

April 11, 2016 / MV

(Books and book chapters)

(Articles in international scientific journals with referee practice)

(Articles in international compilation works and in international scientific conference proceedings with referee practice)

(Articles in Finnish scientific compilation works and in Finnish scientific conference proceedings with referee practice)

(Scientific theses and monographs)

(Other selected scientific publications and work)

Products

Support

list of publications

Publications – Dr. Mikko Valkama

April 11, 2016 / MV

(Books and book chapters)

(Articles in international scientific journals with referee practice)

(Articles in international compilation works and in international scientific conference proceedings with referee practice)

(Articles in Finnish scientific compilation works and in Finnish scientific conference proceedings with referee practice)

(Scientific theses and monographs)

(Other selected scientific publications and work)

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