Zvonimir Sipus

Showing 90 publications

2017

Useful Physical Images and Algorithms for Vector Dyadic Green's Functions [Wireless Corner]

Per-Simon Kildal, Zvonimir Sipus, Jian Yang et al
IEEE Antennas and Propagation Magazine. Vol. 59 (4), p. 106-116
Journal article
2015
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Optimal Aperture Distribution for Maximum Power Transfer in Planar Lossy Multilayered Matters

Aidin Razavi, Rob Maaskant, Jian Yang et al
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015
Paper in proceeding
2014

Simplifying the Design of Complex Electromagnetic Structures using Green's Functions based on Asymptotic Boundary Conditions

Zvonimir Sipus, Marko Bosiljevac
8th European Conference on Antennas and Propagation, EuCAP 2014, The Hague, The Netherlands 6-11 April 2014, p. 750 - 753
Paper in proceeding
2013
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Evaluation of cross-coupling inside gap-waveguides

Zvonimir Sipus, M. Bosiljevac, Per-Simon Kildal
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013, p. 3090-3091
Paper in proceeding
2013

Near-field characteristics of amended DB boundary conditions

M. Bosiljevac, Zvonimir Sipus, Per-Simon Kildal
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013
Paper in proceeding
2012
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Analytical modeling and experimental verification of coupling between transmission lines in gap-waveguides

M. Bosiljevac, Zvonimir Sipus, Per-Simon Kildal
Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012. Prague, 26-30 March 2012, p. 1402-1406
Paper in proceeding
2011
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Modelling EBG surfaces using amended DB boundary conditions

Marko Bosiljevac, Zvonimir Sipus, Per-Simon Kildal et al
European Conference on Antennas and Propagation 2011, 11-15 April 2011, Rome
Paper in proceeding
2010

Progress report on developing the metamaterial EBG-based gap waveguide technology for millimeter and submillimeter waves

Per-Simon Kildal, Eva Rajo, Zvonimir Sipus et al
URSI Radio Science Meeting, Toronto, July 11-17, 2010
Paper in proceeding
2010

Efficient spectral domain Green's function analysis of novel metamaterial bandgap guiding structures

M. Bosiljevac, Zvonimir Sipus, Per-Simon Kildal
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper in proceeding
2010
Open Access icon

Construction of Green's functions of parallel plates with periodic texture with application to gap waveguides - A plane wave spectral domain approach

M. Bosiljevac, Zvonimir Sipus, Per-Simon Kildal
IET Microwaves, Antennas and Propagation. Vol. 4 (11), p. 1799-1810
Journal article
2010

EBG-based gap waveguide for applications up to THz

A.A. Kishk, Per-Simon Kildal, Eva Rajo et al
META'10, International Conference on Metamaterials, Photonic crystals and Plasmonics, Cairo, 22-25 February 2010
Paper in proceeding
2009

Theoretical and experimental challenges when developing the metamaterial EBG-based gap waveguide technology for millimeter and submillimeter wave circuitry

Per-Simon Kildal, Eva Rajo, Zvonimir Sipus et al
URSI National Radio Science Meeting, Charleston, USA, 1-5 June 2009
Paper in proceeding
2009

Local wave Green's functions of parallel plate metamaterial-based gap waveguides with one hard wall

Zvonimir Sipus, M. Bosiljevac, Per-Simon Kildal
3rd European Conference on Antennas and Propagation, EuCAP 2009; Berlin; Germany; 23 March 2009 through 27 March 2009, p. 37-40
Paper in proceeding
2009

Challenges When Developing the New Wideband Metamaterial EBG-based Gap Waveguide Technology for Millimeter and Submillimeter Wave Applications

Per-Simon Kildal, Eva Rajo, Zvonimir Sipus et al
Joint 5th ESA Workshop on Millimetre Wave Technology and Applications and 31st ESA Antenna Workshop on “Millimetre and sub-millimetre waves - From technologies to systems”, 18 - 20 May 2009, ESTEC, Noordwijk, The Netherlands
Paper in proceeding
2007

Validity of Approximate Boundary Conditions in Analysis of Strip-Loaded Planar and Curved Surfaces

Zvonimir Sipus, Per-Simon Kildal
The 23rd International Review of Progress in Applied Computational Electromagnetics (ACES 2007)March 19 ? 23, 2007, Verona, ITALY
Paper in proceeding
2007

Reducing Sidelobes from Blocking Struts by Metamaterials Cloaking and Shape Optimization

Per-Simon Kildal, Eva Rajo, Ulf Carlberg et al
29th ESA Antenna Workshop on multiple beam and reconfigurable antennas, 18-20 April 2007
Journal article
2007

RF Invisibility Using Metamaterials: Harry Potter's Cloak or the Emperor's New Clothes?"

Per-Simon Kildal, A. Kishk, Zvonimir Sipus
IEEE AP-S 2007 in Hawai, 10-15 June 2007
Paper in proceeding
2007

Curved frequency selective surface analysis based on the G1DMULT algorithm

Zvonimir Sipus, Per-Simon Kildal
EMB07 - The Fourth Swedish Conference on Computational Electromagnetics - Methods and Applications, Lund, October 18-19, 2007
Paper in proceeding
2007

Bandgaps and cloaks with soft and hard sur­faces

Per-Simon Kildal, Zvonimir Sipus
ICECOM 2007, 19th International Conference on Applied Electromagnetics and Communications, Dubrovnik 24-26 Sept. 2007, p. Art. no. 4544447-
Paper in proceeding
2006

Modelling of conformal antennas using a hybrid spectral domain-UTD method

Zvonimir Sipus, Patrik Persson, M. Bosiljevac
Antenn 06 in Linköping, May 2006
Paper in proceeding
2006

Moment method analysis of circular-cylindrical array of waveguide elements covered with a multilayer radome

Zvonimir Sipus, Maria Lanne, Lars Josefsson
IET Microwaves, Antennas and Propagation. Vol. 153 (1), p. 29-37
Journal article
2006

Overview of the software integration activities within ACE

V. Volski, G. Vandenbosch, Jian Yang et al
First European Conference on Antennas and Propagation (EuCAP), 2006, Nice, France, 6 - 10 November 2006. Vol. 626 SP
Paper in proceeding
2006

Development of G1DMULT based moment method codes for analysis of cylindrical and spherical array antennas and periodic structures

Zvonimir Sipus, Per-Simon Kildal, S. Skokic
Antenn 06 in Linköping, May 2006
Paper in proceeding
2005

Analysis and measurements of conformal patch array antennas on multilayer circular cylinder

Silvia Raffaelli, Zvonimir Sipus, Per-Simon Kildal
IEEE Transactions on Antennas and Propagation. Vol. 53 (3), p. 1105-1113
Journal article
2005

Spectral domain analysis of dipole coupling over different electromagnetic bandgap structures

Zvonimir Sipus, Per-Simon Kildal, R. Zentner
IEEE AP-S International Symposium Washington D.C., 3-8 July 2005. Vol. 1A, p. 738-741
Paper in proceeding
2005

Full wave analysis of mutual coupling between dipoles over different EBG surfaces: AMC, soft and hard surfaces

Zvonimir Sipus, Per-Simon Kildal
EPFL LATSIS Symposium 2005
Paper in proceeding
2005

Waveguide miniaturization using uniaxial negative permeability metamaterial

Silvio Hrabar, J. Bartolic, Zvonimir Sipus
IEEE Transactions on Antennas and Propagation. Vol. 53 (1), p. 110-119
Journal article
2004

Mutual coupling between spherical-rectangular microstrip antennas

N. Burum, Zvonimir Sipus, J. Bartolic
Microwave and Optical Technology Letters. Vol. 40 (5)
Journal article
2004

Full wave analysis of mutual coupling between dipoles over different EBG surfaces: AMC, soft and hard surfaces

Zvonimir Sipus, Per-Simon Kildal
Joint COST 273/284 Workshop, Chalmers University of Technology, Göteborg, Sweden, 7-9 June 2004
Paper in proceeding
2004

Analysis of multilayer optical fibers using G1DMULT

Zvonimir Sipus, S. Z. Pilinsky
EMB 04 - Computational Electromagnetics: Methods and Applications, 18-19 Oct 2004, Gothenburg, Sweden
Paper in proceeding
2004

Full wave analysis of mutual coupling between dipoles over different EBG surfaces: AMC, soft and hard surfaces

Zvonimir Sipus, Per-Simon Kildal
USNC/URSI National Radio Science Meeting, Monterey, California, June 2004.
Paper in proceeding
2004

Analysis of spherical arrays of microstrip antennas using moment method in spectral domain and G1DMULT

Zvonimir Sipus, N. Burum, S. Skokic
EMB 04 - Computational Electromagnetics: Methods and Applications, 18-19 Oct 2004, Gothenburg, Sweden
Paper in proceeding
2003

Asymptotic analysis of periodic strips on spherical structures

Zvonimir Sipus, R. Zentner
USNC/URSI National Radio Science Meeting, Columbus, Ohio, June 2003.
Paper in proceeding
2003

Analyzing conformal antennas on cylindrical and spherical multilayer structures using G1DMULT: An overview

Zvonimir Sipus, Per-Simon Kildal
Antenn 03 in Kalmar, May 13-15, 2003
Other conference contribution
2002

On maximum available directivity of conformal arrays

Zvonimir Sipus, Per-Simon Kildal, N. Herscovici
USNC/URSI National Radio Science Meeting, San Antonio, Texas, June 2002
Paper in proceeding
2002

Green's functions of soft and hard surfaces derived by asymptotic boundary conditions and homogenization method

Zvonimir Sipus
USNC/URSI National Radio Science Meeting, San Antonio, Texas, June 2002
Paper in proceeding
2002

Omnidirectional stacked patch antenna printed on circular cylindrical structure

R Zentner, Zvonimir Sipus, N. Herscovici et al
IEEE AP-S International Symposium, San Antonio, Texas, June 2002
Paper in proceeding
2002

Calculation of absorption cross section of lossy object used when measuring antennas in reverberation chambers

Ulf Carlberg, Zvonimir Sipus, Per-Simon Kildal
IEEE AP-S International Symposium, San Antonio, Texas, June 2001
Paper in proceeding
2002

Radiation pattern of spherical array of rectangular microstrip patches

N. Burum, Zvonimir Sipus
IEEE AP-S International Symposium, San Antonio, Texas, June 2002
Paper in proceeding
2001

The cylindrical omnidirectional patch antenna

N. Herscovici, Zvonimir Sipus, Per-Simon Kildal
IEEE Transactions on Antennas and Propagation. Vol. 49 (12), p. 1746-1753
Journal article
2001

Theoretical and experimental study of rectangular patches mounted on multilayer circular cylinder

Silvia Raffaelli, Zvonimir Sipus, Per-Simon Kildal
IEEE AP-S International Symposium, Boston, MA, USA, July 2001
Paper in proceeding
2001

Radiation pattern and input impedance of arbitrarily oriented patches on a two-dimensional structure

Silvia Raffaelli, Zvonimir Sipus, Per-Simon Kildal
EMB 01 Electromagnetic computations methods and applications, Uppsala Sweden, Nov. 2001
Journal article
2001

Analysis and measurement of conformal patch array antennas on multilayer circular cylinder

Silvia Raffaelli, Zvonimir Sipus, Per-Simon Kildal
9th COST meeting and workshop on smart antennas, Gothenburg, Sweden, May 2001
Paper in proceeding
2001

Analysis of circular-cylindrical array of waveguide elements using moment method

Zvonimir Sipus, S. Rupcic, M. Lanne et al
EMB 01 Electromagnetic computations methods and applications, Uppsala Sweden, Nov. 2001
Paper in proceeding
2001

Moment method analysis of circular-cylindrical array of waveguide elements covered with a radome

Zvonimir Sipus, S. Rupcic, Maria Lanne et al
IEEE AP-S International Symposium, Boston, MA, USA, July 2001
Paper in proceeding
2001

Analysis of circular cylindrical array of waveguide elements using moment method

Zvonimir Sipus, S. Rubcic, M. Lanne et al
9th COST meeting and workshop on smart antennas, Gothenburg, Sweden, May 2001
Paper in proceeding
2001

Analysis of arbitrarily oriented patches on multilayer circular cylindrical structures

Silvia Raffaelli, Zvonimir Sipus, Per-Simon Kildal
2nd European workshop on conformal antennas, The Hague, Netherlands, April 2001.
Paper in proceeding
2001

Excitations Maximizing the directivity of conformal arrays on circular cylinders

N. Herscovici, Zvonimir Sipus, Per-Simon Kildal et al
2nd European workshop on conformal antennas, The Hague, Netherlands, April 2001.
Paper in proceeding
2000

Design of planar and cylindrical microstrip patch antennas and arrays for wireless applications

J. Bartolic, Zvonimir Sipus, R. Zentner et al
AP2000 Millennium Conference, Davos, Switzerland, Apr. 2000.
Paper in proceeding
2000

Input impedance and radiation pattern of patch on multilayer cylinder

Silvia Raffaelli, Zvonimir Sipus, Per-Simon Kildal
AP2000 Millennium Conference, Davos, Switzerland, Apr. 2000.
Paper in proceeding
2000

Cylindrical microstrip antennas and arrays for wireless communication

N. Herscovici, Zvonimir Sipus, Per-Simon Kildal
Antenn 00, Lund, Sep. 2000.
Paper in proceeding
2000

The analysis of spherical lens antennas by using G1DMULT

Zvonimir Sipus, Per-Simon Kildal
Antenn 00, Lund, Sep. 2000.
Paper in proceeding
2000

Analysis of conformal antennas on multilayer circular cylindrical and spherical structures by using G1DMULT

Zvonimir Sipus, Per-Simon Kildal
AP2000 Millennium Conference, Davos, Switzerland, Apr. 2000.
Paper in proceeding
2000

Cylindrical stacked patch antennas for wireless communication

Zvonimir Sipus, N. Herscovici
AP2000 Millennium Conference, Davos, Switzerland, Apr. 2000.
Paper in proceeding
2000

Input impedance and mutual coupling of conformal patch array on multilayer cylinder

Silvia Raffaelli, Zvonimir Sipus, Per-Simon Kildal
Antenn 00, Lund, Sep. 2000.
Paper in proceeding
1999

Analysis of patches on multilayer cylinders by using G1DMULT

Silvia Raffaelli, Zvonimir Sipus, Per-Simon Kildal
1st European workshop on conformal antenna, Karlsruhe, Oct. 1999.
Paper in proceeding
1999

Effect of element spacing and curvature on the radiation patterns of patch antenna arrays mounted on cylindrical multilayer structures

Silvia Raffaelli, Zvonimir Sipus, Per-Simon Kildal
IEEE AP-S International Symposium, Orlando, July 1999.
Paper in proceeding
1999

Cumputation of propagation characteristics of multilayer optical fibers

Zvonimir Sipus, S. Zentner, B. Kviz
1st International conference on applied electromagnetics and communications, Dubrovnic, Oct. 1999.
Paper in proceeding
1999

Analysis of microstrip patch arrays on circular-cylindrical structures

Zvonimir Sipus, Silvia Raffaelli, Per-Simon Kildal
COST260 Workshop, Aveiro, Portugal, Nov. 1999.
Paper in proceeding
1999

Analysis of patch antenna arrays mounted on cylindrical multilayer structures by using the spectral domain approach

Silvia Raffaelli, Zvonimir Sipus, Per-Simon Kildal
1st International conference on applied electromagnetics and communications, Dubrovnic, Oct. 1999.
Paper in proceeding
1999

Analysis of reflection from multilayer cylinder by using a black-hole approach

Zvonimir Sipus, Per-Simon Kildal
IEEE AP-S International Symposium, Orlando, July 1999.
Paper in proceeding
1998

Using the G1DMULT algorithm to calculate the scattering from periodic elements in planar and cylindrical multilayer structures

Silvia Raffaelli, Zvonimir Sipus, Per-Simon Kildal
EMB 98, Linköping, Nov. 1998.
Paper in proceeding
1998

An algorithm for calculating Green's functions of planar, circular cylindrical and spherical multilayer substrates

Zvonimir Sipus, Per-Simon Kildal, Robert Leijon et al
Applied Computational Electromagnetics Society Journal. Vol. 13 (3), p. 243-254
Journal article
1998

Analysis of strip loaded hard struts using finite element method and asymptotic strip boundary conditions

A. Freni, Zvonimir Sipus, Per-Simon Kildal
Electronics Letters. Vol. 34 (7), p. 643-644
Journal article
1998

Periodic strips on planar and circular cylindrical substrates: Exact and asymptotic analysis

Zvonimir Sipus, Silvia Raffaelli, Per-Simon Kildal
Microwave and Optical Technology Letters. Vol. 17 (3), p. 173-178
Journal article
1997

Field solutions in ideally soft and hard rectangular waveguide

Harald Franz Arno Merkel, Zvonimir Sipus
Nordic Antenna Conference Antenn 97, Göteborg, May, 1997
Paper in proceeding
1997

Asymptotic boundary conditions for strip-loaded and corrugated surfaces

Per-Simon Kildal, A. Kishk, Zvonimir Sipus
Microwave and Optical Technology Letters. Vol. 14 (2), p. 99-101
Journal article
1997

Green's functions for planar soft and hard surfaces derived by asymptotic boundary conditions

Zvonimir Sipus, Harald Franz Arno Merkel, Per-Simon Kildal
IEE Proceedings Part H. Vol. 144 (5), p. 321-328
Journal article
1997

An algorithm for calculating Green's functions of planar, circular cylindrical and spherical multilayer substrates

Zvonimir Sipus, Per-Simon Kildal, Robert Leijon et al
Cost 260 Workshop on smart antennas, Dubrovnik, Croatia, Oct., 1997
Paper in proceeding
1997

Analysis of antennas on curved miltilayer structures by using the G1DMULT routine

Per-Simon Kildal, Zvonimir Sipus, Martin Johansson
IEEE International Symposium on Antennas and Propagation, Montreal, July, 1997
Paper in proceeding
1997

Analysis of metal patches, strips and corrugations inside cylindrical multilayer structures by using G1DMULT

Zvonimir Sipus, Per-Simon Kildal, Silvia Raffaelli
ACES Monterey, CA, USA, Mar., 1997
Paper in proceeding
1997

Radiation from directive antennas close to human tissue

Robert Leijon, Zvonimir Sipus, Per-Simon Kildal
European Microwave Conference (EuMC), Tel Aviv, Israel, Sep., 1997
Paper in proceeding
1997

Exact and asymptotic analysis of an infinite grid of metal strips using G1DMULT.

Silvia Raffaelli, Zvonimir Sipus, Per-Simon Kildal et al
IEEE International Symposium on Antennas and Propagation, Montreal, July, 1997
Paper in proceeding
1997

A numerical algorithm G1DMULT for computing Green's functions of multilayer objects

Per-Simon Kildal, Zvonimir Sipus, Martin Johansson
ACES Monterey, CA, USA, Mar., 1997
Paper in proceeding
1997

Validation of the asymptotic corrugation boundary condition for circular cylinders with dielectric filled corrugations

A. A. Kishk, Per-Simon Kildal, A. Monorchio et al
IEEE International Symposium on Antennas and Propagation, Montreal, July, 1997
Paper in proceeding
1997

The cylindrical omnidirectional patch antenna

N. Herscovici, Zvonimir Sipus, Per-Simon Kildal
IEEE International Symposium on Antennas and Propagation, Montreal, July, 1997
Paper in proceeding
1997

Analysis of metal patterns in general planar and cylindrical multilayer substrates

Zvonimir Sipus, Per-Simon Kildal, Robert Leijon et al
Nordic Antenna Conference Antenn 97, Göteborg, May, 1997
Paper in proceeding
1997

Exact and asymptotic analysis of an infinite grid of metal strips using G1DMULT

Silvia Raffaelli, Zvonimir Sipus, Per-Simon Kildal et al
ICEAA, Torino, Italy, Sep., 1997
Paper in proceeding
1996

Arrays of modified rectangular radiators

J. Bartolic, D. Bonefacic, Zvonimir Sipus et al
COST 245 ESA Workshop, Noordwijk, June, 1996
Paper in proceeding
1996

RCS of dipoles used for SAR calibration

Lars Ulander, Zvonimir Sipus
EUSAR'96, Königswinter; Germany, 1996
Paper in proceeding
1996

Progress report on research with soft and hard surfaces for electromagnetic waves

Per-Simon Kildal, Zvonimir Sipus, Z. Ying et al
Swedish Radio Science Conference RVK, Luleå, 1996.
Journal article
1996

Symmetries in microstrip array analysis

Zvonimir Sipus, J. Bartolic, D. Bonefacic
COST 245 ESA Workshop, Noordwijk, June, 1996
Paper in proceeding
1996

Green's functions for corrugated surface derived by asymptotic corrugation boundary conditions

Zvonimir Sipus, Per-Simon Kildal
IEEE International Symposium on Antennas and Propagation, Baltimore; MD, July, 1996.
Paper in proceeding
1996

Green's functions for strip-loaded grounded dielectric slab derived without using Floquet mode expansions

Zvonimir Sipus, Per-Simon Kildal, A. Kishk
IEEE International Symposium on Antennas and Propagation, Baltimore; MD, July, 1996.
Paper in proceeding
1996

Modified rectangular patches for self-oscillating active antenna applications

J Bartolic, D Bonefacic, Zvonimir Sipus
Antennas and Propagation Magazine. Vol. 38, p. 13-21
Journal article
1996

Green's functions for hard and soft surfaces derived by asymptotic boundary conditions

Zvonimir Sipus, Harald Franz Arno Merkel, Per-Simon Kildal
KOREMA'96 41st Annual Conference, Opatija, Croatia, 1996.
Paper in proceeding
1996

Two-dimensional analysis of bandwith of open hard surface

Zvonimir Sipus, Per-Simon Kildal, J. Salomonsson
IEE Proceedings Part H. Vol. 143 (6), p. 475-481
Journal article
1996

Asymptotic boundary conditions for strip-loaded and corrugated surfaces and waveguides

Per-Simon Kildal, A. Kishk, Zvonimir Sipus
URSI General Assembly, Lille, France, 1996.
Paper in proceeding

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