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ESA Tender AO/1-3899/01/NL/JA CAD Tools for
Passive Microwave Components Negotiation Meeting
Microwave Applications Group
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Contents

• Presentation of Universidad Politécnica de
  Valencia (UPVA)
• Brief Description (Activities, Structure, Staff)
  
• Presentation of the Microwave Applications Group
  (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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Presentation of UPVA

• Created in 1971 (http//www.upv.es)
• Technological University (19 Faculties)
• Engineering, Architecture, Computing
• 36,500 members
• 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

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Members of the Group

• Staff Members of GAM
• Dr. Vicente E. Boria Esbert() (Associate
  Professor)
• Dr. Héctor Esteban González (Associate
  Professor)
• Dr. Santiago Cogollos Borrás (Associate
  Professor)
• Dª Ana Vidal Pantaleoni (Assistant Professor)
• D. Pablo Soto Pacheco (Assistant Professor)
• Dª M. Carmen Bachiller Martín (Assistant
  Professor)
• Contact Address of Group Leader

() Dpto. Comunicaciones, Universidad
Politécnica de Valencia, E-46022 Valencia,
SPAIN, Tel\Fax [phone] - 9718 \ 7309
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Members of the Group

• Researchers (Ph.D. Students)
• D. Ángel A. San Blas Oltra (UPVA Programme,
  Spain)
• D. Stephan Marini (RTN, European Commission)
• D. Daniele Camilleri (RTN, European
  Commission)
• D. José V. Morro Ros (Space Programme, Spain)
• Undergraduate Students (Final Year Work)
• 10 students / year (UPVA, Spain)
• External Researchers
• D. Ángel Belenguer (UCLM, Cuenca, Spain)

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Research Lines

• Numerical Simulation of Electromagnetic Problems
• Microwaves, Antennas and Propagation
• Optimisation Algorithms in Electromagnetics
• Direct Search, Gradient, Simplex, Genetics,
  Simulated Annealing
• Development of Computer Aided Design (CAD)
  Software
• Passive Waveguide Devices
• Practical Design of Passive Waveguide Devices
• Space, Wireless Systems (WLL, LMDS), and
  Microwave Heating

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Some Results

• 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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Some Results

• Analysis of Complex Waveguide Devices
  (Mechanisation Effects)

• Diplexer (HISPASAT 1C)
• Courtesy of Alcatel Espacio

• BI-RME Method
• Theory of Cavities

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Some Results

• Inductive Filter with Rounded Corners
  (UPVA-UVEG)

• BI-RME Method
• Integral Equation

Piece
Manufactured prototype
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Some Results

• Application of Optimisation Algorithms to
  Filters (UPVA-UVEG)

• GOFRES v.1.0
• Evanescent Mode Filters

• Direct Search
• Gradient Methods

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Some Results

• CAD Software of Inductive Filters (UPVA-UVEG)

• Great reduction of CPU effort (10)
• Rounded corners could be included

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Some Results

• Dual-mode Filters for Space Applications
  (ESTEC-ESA)

DUMAS v.3.0

• Elliptical Irises
• Tuning Screws

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Some Results

• Inductive Filter at 28 GHz for LMDS Systems
  (UPVA)

WIND v.3.3

• Tolerances lt 10 ?m

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Some Results

• Doubly Corrugated Choke for Industrial
  Applications (UPVA)

DUMAS v.3.0
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Verification and Testing Facilities

• 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

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Verification and Testing Facilities

• Test Facilities (HP-8510 Network Analyser)

• Measurements (2002)
• up to 20 GHz
• W-90, WR-75, WR-62
• TRL calibration

• Measurements (2003)
• up to 50 GHz

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Research Funding

• 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
• RD 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

• 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

• 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

• 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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Research Cooperation

• 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)

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Technical Work

• Efficient Modal Analysis of Arbitrary
  Rectangular Waveguides

• Following the BI-RME method
• Modal Chart computation1
• Coupling Integrals calculation 2

• 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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Technical Work

• Efficient Modal Analysis of Arbitrary
  Rectangular Waveguides

• Definition of the geometry
• Straight, Circular and Elliptical Segments
• Combination of these Segments

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Technical Work

• Integration into FEST v.3.1.-
• Minor computational CPU effort (speed-up)
• Improved optimized evaluation of Greens 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

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Technical Work

• Rectangular Waveguide Cubic Junction

• Using the Theory of Cavities1,2
• 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

• Rectangular Waveguide Six-Port Cross Junction

• WR-62 waveguides
• 0,75 sec./freq. (Pentium III)

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Technical Work

• Cubic Waveguide Junction with Arbitrarily Shaped
  Access Ports

• Using Theory of Cavities1
• 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.

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Technical Work

• H-Plane T-Junction with Rounded Corners

• WR-90 waveguides
• Corner Radius 4,5 mm

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Technical Work

• Magic-T Junction with Rounded Corners

Reflection Coefficients
Transmission Coefficients

• WR-90 waveguides
• Corner Radius 4,5 mm