Research Directions and Recent Results

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Su Yu Ted: Recent Research Results
1. Generalized opportunistic communications: Cooperation, competition and
cognition in broadband wireless networks
 Cognitive radio based spread spectrum techniques-system design and
performance analysis [8]
 Distributed spectrum sensing [15] and cooperative signal detection [20]
 Radio resource management for cognitive multiuser multimedia communications
[7,13,14,17]
 Physical layer network cod assisted bidirectional wireless communications: signal
detection and performance analysis [24]
2. Inner transceiver design: Precoding, synchronization, channel estimation,
interference cancellation and suppression
 Channel estimation and precoding for MIMO-OFDM and correlated MIMO
systems [1,18,25]
 Synchronization and channel estimation in low SNR region
 Joint synchronization and interference suppression [21,23]
 Interference management in a two-tier network [16]
 Sequence design for wireless applications [26, 27]
3. Advanced error-control schemes and their performance
 High throughput parallel-decodable codes [2,3,5,6,29]
 Hybrid ARQ protocols for MIMO networks that takes into account transmission
scheduling, power/rate control, precoding and cooperative relay/coding [10,28]
 Generalized belief propagation for binary networks in graph codes and statistical
inference [4]
 Performance of block-coded communication systems in channels with memory
[11,12]
 Monte Carlo based stochastic decoding algorithms [22]
4. Biomedical signal processing
 Multichannel ECG waveform coding and transmission [9]
2007-2008 Publications
1.
D. C.-H. Chiang and Y. T. Su, "Frequency estimator for MIMO-OFDM systems,”
Wireless Personal Commun., Jan. 2007.
2.
Y.-X. Zheng and Y. T. Su, "A turbo coding system for high speed communications,”
IEEE Trans. Wireless Commun. Oct. 2007.
3.
T. D.-H. Huang, C.-Y. Chang, Y.-X. Zheng and Y. T. Su, “Product codes and parallel
concatenated product codes,” in Proc.IEEE WCNC 2007, Feb. 2007.
4.
Y.-C. Chen and Y. T. Su, "Constraint relaxation and annealed belief propagation for
binary networks," in Proc. IEEE ISIT2007, June 2007.
5.
Y.-X. Zheng and Y. T. Su, “A codeword weight lower bound for a class of tail-biting
turbo codes,” in Proc. IEEE ISIT2007, June 2007.
6.
S.-Y. Wang, Y.-X. Zheng and Y. T. Su, “A novel decoding scheduling for LDPC
codes,” in Proc. IEEE APWCS 2007, Aug. 2007.
7.
Y.-B. Lin, T.-H. Chiu, Y. T. Su, and M. S. Kao, “An Iterative resource allocation algorithm
for cooperative multimedia communications,” in Proc. IEEE VTC-2007 Fall, Sep. 2007.
8.
J.-Y. Liu and Y. T. Su, “Performance analysis of transform domain communication
systems in the presence of spectral mismatches,” in Proc. IEEE MilCom2007, Oct.
9.
2007.
W.-Y. Wong and Y. T. Su, “New approaches for electrocardiogram signal coding,” in
Proc. NTC, Nov. 2007.
10. C. P.-C. Kung and Y. T. Su, “Performance analysis of an adaptive hybrid ARQ
system,” in Proc. NTC, Nov. 2007.
11. C. M. Lee, Y. T. Su and L.-D. Jeng, "Performance analysis of block codes in hidden
Markov channels,” IEEE Trans. Commun. Jan. 2008.
12. C. M. Lee and Y. T. Su, “Performance of block-coded land mobile satellite systems,”
Int. J. Commun. Syst. Network, vol. 26, pp.251-267, 2008.
13. Y.-S. Lu and Y. T. Su, “Dynamic resource allocation for relay-based OFDMA
systems,” in Proc. APWC2008, Sendi, Japan, Aug. 2008.
14. C.-L. Weng, Y.-B. Lin, and Y. T. Su, “Resource allocation for MIMO-OFDMA based
wireless mobile networks,” in Proc. APWC2008, Sendi, Japan, Aug. 2008.
15. Y.-L. Shei and Y. T. Su, “A sequential test based cooperative spectrum sensing
scheme for cognitive radios,” in Proc. IEEE PIMRC2008, Canes, France, Sep. 2008.
16. K. Naik, D. S. L. Wei, Y. T. Su, and N. Shiratori, “A random graph-based model to
analyze packet interference between frequency hopping systems with an application
to Bluetooth,” Computer Communications, vol. 21, no. 14, pp. 3286-3291, 2008.
17. Y.-B. Lin, T.-H. Chiu, and Y. T. Su, “Optimal and near-optimal resource allocation
algorithms for OFDMA networks,” to appear in IEEE Trans. Wireless Commun.
Manuscripts under review or in preparation
18. Y.-C. Chen and Y. T. Su, “MIMO channel estimation in correlated fading
environments”
19. Y.-C. Chen and Y. T. Su, “Turbo equalization of nonlinear TDMA satellite signals”
20. J.-Y. Liu, C.-M. Lee and Y. T. Su, “Blind link quality estimation for decodeand-forward communications”
21. Y.-C. Liu, K.-C. Lin, and Y. T. Su, “Initial synchronization for multi-cell OFDMA
systems”
22. C.-M. Lee and Y. T. Su, “Stochastic decoding of Reed-Solomon codes”
23. K.-C. Lin and Y. T. Su, “Robust initial ranging for OFDMA systems: Channel
assignment, code structure and detection”
24. J.-Y. Liu and Y. T. Su, “Demodulations and performance analysis for bidirectional
wireless network with physical layer network coding”
25. J. Chen and Y. T. Su, “MIMO transceiver design with compressed channel
information”
26. C.-W. Chen and Y. T. Su, “An unified approach for zero correlation zone
sequence design”
27. K.-C. Lin and Y. T. Su, “A BCH code based preamble design for OFDMA
networks”
28. Y.-S. Lu, C.-L. Weng, and Y. T. Su, “OFDMA-based multiuser ARQ protocols and
their performance”
29. Y.-X. Zheng and Y. T. Su, “On the design of parallel decodable turbo codes: An
interleaver’s perspective”
Current Research Interests
1. Generalized opportunistic communications
 Efficient preamble, transform domain spreading sequences and protocol
designs for cognitive radio (CR) based spread spectrum systems that minimize
the mismatch probability.
 Optimal and near optimal radio resource allocation schemes for
non-orthogonal channel based systems with latency and fairness constraints.
Combining resource allocation, scheduling and routing for both
single-hop/single antenna and multiple-hop/MIMO networks.
 Distributed-cooperative spectrum sensing schemes using quantized local
information
and
compressive
sampling/detection.
2D
and
3D
location-spectrum and noise temperature map reconstruction for exploring
new degrees of freedom in signal transmission.
 Interference control for two-tier location-aware femto cell systems that
minimizes intra-tier and cross-tier interference for optimal cell coverage and
maximum network capacity.
 Game theoretic
communications.
approach
for
opportunistic
and
resource
optimized
2. Inner Transceiver Design: Precoding, Synchronization, Channel Estimation,
Interference Cancellation and Suppression
 Reduced-complexity nonlinear MIMO transceiver design and performance
analysis..
 Efficient cell search and link acquisition methods for hierarchical multicell
OFDMA systems.
 Network synchronization for hierarchical and ad hoc networks.
3.
Advanced Error-Control Schemes and Sequence Design
 HARQ protocols for multiuser MIMO-OFDMA systems. The protocols shall
take into account transmission scheduling, power/rate control, precoding and
cooperative relay/coding.
 Serialized LDPC code decoding: structures, scheduling and convergence
analysis.
 Annealed and randomized belief propagation algorithms for binary networks.
 Preamble sequences design for OFDMA networks.
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