Instituto de Informática,
Multimedia, Comunicaciones
y Computación
ESTEC-ESA, The Netherlands, 12 July 2002
ESA Tender AO/1-3899/01/NL/JA:
CAD Tools for Passive Microwave Components
Negotiation Meeting
Microwave
Applications
Group
Contents

Presentation of Universidad Politécnica de Valencia (UPVA)


Brief Description (Activities, Structure, Staff)
Presentation of the Microwave Applications Group (GAM)






GAM
Members and Research Lines (Results)
Verification and Testing Facilities
Research Funding
Scientific Production
Research Cooperation
Technical Work to be developed by GAM-UPVA


Arbitrary Rectangular Waveguides (Speed-up)
C-junctions, Y-junctions and bends (Consultancy)
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p. 2
Presentation of UPVA
GAM
Created in 1971 (http://www.upv.es)
 Technological University (19 Faculties):



36,500 members:


Engineering, Architecture, Computing
34,500 students and 2,000 staff
The GAM group in the UPVA:

Created in 1997 (http://www.dcom.upv.es)

Faculty of Electrical Engineering

Department of Communications

Institute of Informatics, Multimedia,
Communications and Computers
Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
p. 3
Members of the Group

Staff Members of GAM:







GAM
Dr. Vicente E. Boria Esbert(*)
Dr. Héctor Esteban González
Dr. Santiago Cogollos Borrás
(Associate Professor)
(Associate Professor)
(Associate Professor)
Dª Ana Vidal Pantaleoni
D. Pablo Soto Pacheco
Dª M. Carmen Bachiller Martín
(Assistant Professor)
(Assistant Professor)
(Assistant Professor)
Contact Address of Group Leader:
(*)
Dpto. Comunicaciones, Universidad Politécnica de Valencia,
E-46022 Valencia, SPAIN, Tel\Fax: +34 96 387 - 9718 \ 7309
Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
p. 4
Members of the Group

Researchers (Ph.D. Students):

D. Ángel A. San Blas Oltra
D. Stephan Marini
D. Daniele Camilleri
(UPVA Programme, Spain)
(RTN, European Commission)
(RTN, European Commission)

D. José V. Morro Ros
(Space Programme, Spain)



Undergraduate Students (Final Year Work):


GAM
10 students / year
(UPVA, Spain)
External Researchers:

D. Ángel Belenguer
Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
(UCLM, Cuenca, Spain)
p. 5
Research Lines

Numerical Simulation of Electromagnetic Problems


Direct Search, Gradient, Simplex, Genetics, Simulated Annealing
Development of Computer Aided Design (CAD) Software


Microwaves, Antennas and Propagation
Optimisation Algorithms in Electromagnetics


GAM
Passive Waveguide Devices
Practical Design of Passive Waveguide Devices

Space, Wireless Systems (WLL, LMDS), and Microwave Heating
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p. 6
Some Results

GAM
H-Plane T-Junction with Rounded Corners (UPVA-UVEG)
WR-90 waveguides:
• Rounded corners
• Radius = 4,5 mm
ESTEC/ESA Contract 12870/98/NL/MV
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p. 7
Some Results

GAM
Analysis of Complex Waveguide Devices (Mechanisation Effects)
Diplexer (HISPASAT 1C)


BI-RME Method

Theory of Cavities
Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
Courtesy of Alcatel Espacio
p. 8
Some Results

GAM
Inductive Filter with Rounded Corners (UPVA-UVEG)


BI-RME Method
Integral Equation
Piece
Manufactured
prototype
Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
p. 9
Some Results

GAM
Application of Optimisation Algorithms to Filters (UPVA-UVEG)
GOFRES v.1.0:

Evanescent Mode Filters
• Direct Search
• Gradient Methods
Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
p. 10
Some Results

GAM
CAD Software of Inductive Filters (UPVA-UVEG)


Great reduction of CPU effort (10’)
Rounded corners could be included
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p. 11
Some Results

GAM
Dual-mode Filters for Space Applications (ESTEC-ESA)
DUMAS v.3.0

Elliptical Irises

Tuning Screws
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p. 12
Some Results

GAM
Inductive Filter at 28 GHz for LMDS Systems (UPVA)
WIND v.3.3
• Tolerances < 10 m
Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
p. 13
Some Results

GAM
Doubly Corrugated Choke for Industrial Applications (UPVA)
DUMAS v.3.0
Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
p. 14
Verification and Testing Facilities

GAM
Electromagnetic Simulation Laboratory

2 mainframe computers for development of in-house software
 DESAFIO v.1.0.1 and v.1.1.1, 2002 (Alcatel Espacio, Madrid)
 GOFRES v.1.0, 2002 (Alcatel Espacio, Madrid)

2 mainframe computers for commercial software
 Ansoft HFSS v.8.0.25 and Optimetrics v.2.0, 2002
 Ansoft Ensemble v.8.0, 2002
 ESTEC-ESA DUMAS v.3.0, 1997
 ESTEC-ESA WIND v.3.3, 1998
 ESTEC-ESA FEST v.2.2.5, 2001

10 desktop computers, 3 laptop computers
Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
p. 15
Verification and Testing Facilities

GAM
Test Facilities (HP-8510 Network Analyser)
Measurements (2002):



up to 20 GHz
W-90, WR-75, WR-62
TRL calibration
Measurements (2003+):

Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
up to 50 GHz
p. 16
Research Funding



GAM
European Commission

MMCODEF Research Training Network (V FMP), 2000-03

Networks of Excellence and Integrated Projects (VI FMP), 2003+
National and Local Research Programmes (2000-04)

Research Projects of Space and Information Technology Plan

Thematic Networks in Optics and Microwaves
R&D Contracts with Administrations and Industry

ESTEC-ESA Contract 12870/98/NL/MV, 1998-99

Alcatel Espacio Contract AEO/UPV/01.3005, 2001-03
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Research Funding

GAM
Budget spent by the GAM this year (2002)

Infrastructure Costs (Laboratory Equipment, etc). 150.000 €

Personnel Costs. 300.000 €

Total Costs. 450.000 €
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Scientific Production

GAM
Co-authors of 2 book chapters. “Advanced Modal Analysis”, G. Conciauro, M. Guglielmi, R. Sorrentino,
John Wiley & Sons, Chichester, UK

15 Reviewed Papers in International Journals (JCR of SCI). IEEE Trans. on Microwave Theory and Techniques
 IEEE Microwave Letters, IEE Proc. on Microwaves, Antennas and Propagation
 International Journal of RF and Microwave Computer Aided Engineering

50 Contributions (6 Invited Papers) in International Conferences. IEEE MTT & AP Symposium
 European Microwave Conference
 PIERS, ISRAMT, ECCOMAS, NUMELEC
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Research Cooperation

GAM
Universities and Research Institutions (UPVA and UVEG).
Group of Semiconductors and Optic Fiber (UVEG, Spain)

Group of Microwave Engineering and Electromagnetics (UPCT, Spain)

Group of Microwaves and RADAR (UPM, Spain)

European Space Agency (ESTEC-ESA)

University of Pavia (Italy)

LEMA-University of Lausanne (Switzerland)

FEL-TNO (The Netherlands)


Technical University of Darmstadt (Germany)
National Technical University of Athens (Greece)
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p. 20
Research Cooperation

GAM
Industries (UPVA and UVEG).
Alcatel Espacio (Madrid, Spain)

Radiación y Microondas SA, RYMSA (Madrid, Spain)

Construcciones Aeronáuticas SA, CASA (Madrid, Spain)

INDRA Espacio (Madrid, Spain)

Ingegneria Dei Sistemi, IDS (Pisa, Italy)

ITLink srl, (Livorno, Italy)

COM DEV (United Kingdom)

TESAT SPACECOM, Bosch SatCom (Germany)
Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
p. 21
Technical Work

GAM
Efficient Modal Analysis of Arbitrary Rectangular Waveguides
y
W
Following the BI-RME method:
S
b

Modal Chart computation[1]

Coupling Integrals calculation [2]
x
a

[1] G.Conciauro et al., IEEE Trans. on MTT, vol. 32(11), pp. 1495-1504, 1984.

[2] P. Arcioni, IEEE Microwave Guided Wave Letters, vol. 6(6), pp. 232-234, 1996.
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p. 22
Technical Work

GAM
Efficient Modal Analysis of Arbitrary Rectangular Waveguides
y
y
W
W
S
S
b
b
x
x
a
a

Definition of the geometry:

Straight, Circular and Elliptical Segments

Combination of these Segments
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Technical Work

GAM
Integration into FEST v.3.1.
Minor computational CPU effort (speed-up):
 Improved optimized evaluation of Green’s function

Greater precision:
 Finer segmentation in conflictive points

Analysis of conductors without thickness:
 Geometries with zero thickness conductors

Integration of straight, circular and elliptical segments

Analysis of waveguides with multiple conductors:
 Multiple TEM modes
Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
p. 24
Technical Work

GAM
Rectangular Waveguide Cubic Junction
Using the Theory of Cavities[1,2]:
• Y-matrix representation

Acceleration of triple series
Using the Integral Equation Technique:
• Z-matrix representation



Acceleration of the Kernel
[1] V.E. Boria et al., IEE Proc. on MAP, vol. 147(6), pp. 417-422, 2000.
[2] S. Cogollos et al., Annals of Telecom., vol. 56(1-2), pp. 94-103, 2001.
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Technical Work

GAM
Rectangular Waveguide Six-Port Cross Junction
WR-62 waveguides:
• 0,75 sec./freq. (Pentium III)
Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
p. 26
Technical Work

GAM
Cubic Waveguide Junction with Arbitrarily Shaped Access Ports
Using Theory of Cavities[1]:
• Modal Analysis (BI-RME). access ports modes
• Coupling Integrals. cavity and access port modes
 new BI-RME expressions

[1] S.Cogollos, V.E. Boria, P. Soto, A.A. San Blas, B. Gimeno and M. Guglielmi,
Submitted to IEE Proc. on MAP, June 2002.
Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
p. 27
Technical Work

GAM
H-Plane T-Junction with Rounded Corners
WR-90 waveguides:
• Corner Radius = 4,5 mm
Negotiation Meeting, ESA Tender AO/1-3889/01/NL/JA
p. 28
Technical Work

GAM
Magic-T Junction with Rounded Corners
S33
S44
Reflection
S11
Coefficients
Transmission
S41
Coefficients
S21
S31
WR-90 waveguides:
• Corner Radius = 4,5 mm
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