Digital baseband predistortion of wideband power amplifiers with improved memory effects

Bondar, D. and Budimir, D. 2009. Digital baseband predistortion of wideband power amplifiers with improved memory effects. IEEE Radio and Wireless Symposium 2009 (RWS'2009). San Diego, California 19 - 22 Jan 2009

TitleDigital baseband predistortion of wideband power amplifiers with improved memory effects
AuthorsBondar, D. and Budimir, D.
TypeConference paper
Abstract

A new digital baseband predistortion of wideband power amplifiers with improved memory effects is presented and investigated. Distortion compensation is increased by implementing proposed iterative digital baseband injection technique. Frequency-domain equalization in baseband is developed to minimize memory effects. The non-linear and memory parts of the proposed linearizer are implemented in baseband without additional feedback loop. The spectral regrowth improvement of 20 dB for a 5-MHz 16-QAM signal and a 10 dB reduction of 8 MHz offset adjacent channel power ratio (ACPR) are achieved.

KeywordsDigital baseband predistortion, iterative injection, memory effects, equalization, linearization
Year2009
ConferenceIEEE Radio and Wireless Symposium 2009 (RWS'2009)
Publication dates
Published2009

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Glubokov, O. and Budimir, D. 2010. Compact E-plane doublet structures for modular filter design. in: 40th European Microwave Conference (EuMC), 29 September - 1 October 2010, Paris, France IEEE . pp. 1253-1256

Optically reconfigurable RF circuits
Draskovic, D., Christodoulou, G. and Budimir, D. 2010. Optically reconfigurable RF circuits. in: Proceedings of the Fourth European Conference on Antennas and Propagation (EuCAP2010), 12-16 April 2010, Barcelona, Spain IEEE . pp. 1-3

Cross-system localization in PLMN using neural networks
Borenović, M., Neskovic, A. and Budimir, D. 2010. Cross-system localization in PLMN using neural networks. in: IEEE Radio and Wireless Symposium (RWS 2010), 10-14, January 2010, Sheraton hotel, New Orleans, LA IEEE . pp. 168-171

Linearization of high-efficiency power amplifiers using digital baseband predistortion with iterative injection
Bondar, D., Lopez, N.D., Popovic, Z. and Budimir, D. 2010. Linearization of high-efficiency power amplifiers using digital baseband predistortion with iterative injection. in: IEEE Radio and Wireless Symposium (RWS 2010), 10-14, January 2010, Sheraton hotel, New Orleans, LA IEEE . pp. 148-151

A new digital predistortion for linearity improvement and suppression of memory effects
Bondar, D. and Budimir, D. 2010. A new digital predistortion for linearity improvement and suppression of memory effects. in: European Microwave Conference (EuMC 2009), 28 September - 2 October 2009, Rome, Italy IEEE . pp. 1437-1440

Optically reconfigurable microstrip UWB bandpass filters
Athukorala, L., Rabbi, K.M.F., Panagamuwa, C., Vardaxoglou, J.C., Philippakis, M. and Budimir, D. 2010. Optically reconfigurable microstrip UWB bandpass filters. in: IEEE Loughborough Antennas and Propagation Conference (LAPC2010), 8-9 November 2010, Loughborough IEEE . pp. 617-620

Design of open-loop dual-mode microstrip filters
Athukorala, L., Potrebic, M. and Budimir, D. 2010. Design of open-loop dual-mode microstrip filters. 18th Telecommunications Forum TELFOR 2010. 23 - 25 Nov 2010 Belgrade, Serbia

Design of open-loop dual-mode microstrip filters
Athukorala, L., Budimir, D. and Potrebic, M. 2010. Design of open-loop dual-mode microstrip filters. Progress in Electromagnetics Research Letters. 19, pp. 179-185.

Compact high linearity tunable dual-mode microstrip filters
Athukorala, L., Bondar, D. and Budimir, D. 2010. Compact high linearity tunable dual-mode microstrip filters. in: 40th European Microwave Conference (EuMC), 29 September - 1 October 2010, Paris, France IEEE . pp. 834-837

A compact printed antenna for multiband wireless applications
AbuTarboush, H.F., Nilavalan, R., Nasr, K.M., Al-Raweshidy, H.S., Budimir, D. and Alexander, M.J. 2010. A compact printed antenna for multiband wireless applications. in: 6th IEEE International Workshop on Antenna Technology (iWAT), Lisbon, Portugal IEEE .

A reconfigurable H-shape antenna for wireless applications
AbuTarboush, H.F., Nilavalan, R., Nasr, K.M., Al-Raweshidy, H.S. and Budimir, D. 2010. A reconfigurable H-shape antenna for wireless applications. in: Proceedings of the Fourth European Conference on Antennas and Propagation (EuCAP2010), 12-16 April 2010, Barcelona, Spain IEEE . pp. 1-4

Widely tunable multiband reconfigurable patch antenna for wireless applications
AbuTarboush, H.F., Nilavalan, R., Nasr, K.M., Al-Raweshidy, H.S. and Budimir, D. 2010. Widely tunable multiband reconfigurable patch antenna for wireless applications. in: Proceedings of the Fourth European Conference on Antennas and Propagation (EuCAP2010), 12-16 April 2010, Barcelona, Spain IEEE . pp. 1-3

Wide-band planar inverted-F antenna for cognitive radio
AbuTarboush, H.F., Budimir, D., Nilavalan, R. and Al-Raweshidy, H.S. 2010. Wide-band planar inverted-F antenna for cognitive radio. in: European Microwave Conference (EuMC 2009), 28 September - 2 October 2009, Rome, Italy IEEE . pp. 1504-1507

Frequency reconfigurable RF circuits using photoconducting switches
Draskovic, D., Panagamuwa, C., Vardaxoglou, J.C. and Budimir, D. 2010. Frequency reconfigurable RF circuits using photoconducting switches. International Journal of RF and Microwave Computer-Aided Engineering. 20 (1), pp. 15-21.

Enhanced waveguide bandpass filters using S-shaped resonators
Bondar, D. and Budimir, D. 2009. Enhanced waveguide bandpass filters using S-shaped resonators. International Journal of RF and Microwave Computer-Aided Engineering. 19 (6), pp. 627-633.

Compact dual-mode open loop microstrip resonators and filters
Athukorala, L. and Budimir, D. 2009. Compact dual-mode open loop microstrip resonators and filters. IEEE Microwave and Wireless Components Letters. 19 (11), pp. 698-700.

A digital predistorter for wireless transmitters
Bondar, D. and Budimir, D. 2009. A digital predistorter for wireless transmitters. International Journal of RF and Microwave Computer-Aided Engineering. 19 (4), pp. 453-459.

A reduced-size branch-line coupler for improved LDMOS balanced power amplifiers
Draskovic, D., Koulouzis, H. and Budimir, D. 2009. A reduced-size branch-line coupler for improved LDMOS balanced power amplifiers. Microwave and Optical Technology Letters. 51 (2), pp. 445-448.

Compact microstrip pseudo-interdigital stepped impedance bandpass filters with improved stopband performance
Zayniyev, D. and Budimir, D. 2009. Compact microstrip pseudo-interdigital stepped impedance bandpass filters with improved stopband performance. in: IEEE 10th Annual Wireless and Microwave Technology Conference, 2009. (WAMICON '09), 20-21 April 2009, Clearwater, Florida IEEE . pp. 1-2

Compact microstrip dual-band pseudo-interdigital stepped impedance bandpass filters for wireless applications
Zayniyev, D. and Budimir, D. 2009. Compact microstrip dual-band pseudo-interdigital stepped impedance bandpass filters for wireless applications. in: IEEE Antennas and Propagation Society International Symposium (APSURSI '09), Charleston, South Carolina, USA, June 1-5 2009 IEEE .

An integrated antenna-filter with harmonic rejection
Zayniyev, D. and Budimir, D. 2009. An integrated antenna-filter with harmonic rejection. EUCAP 2009: 3rd European Conference on Antennas and Propagation. Berlin, Germany 23 - 27 Mar 2009

Compact S-shaped resonator loaded waveguide bandpass filters
Suntheralingam, N. and Budimir, D. 2009. Compact S-shaped resonator loaded waveguide bandpass filters. AP-S 2009, IEEE International Symposium on Antennas & Propagation and USNC/URSI National Radio Science Meeting. North Charleston, South Carolina 01 - 05 Jun 2009

Substrate integrated folded-waveguide cross-coupled filter with negative coupling structure
Glubokov, O. and Budimir, D. 2009. Substrate integrated folded-waveguide cross-coupled filter with negative coupling structure. AP-S 2009, IEEE International Symposium on Antennas & Propagation and USNC/URSI National Radio Science Meeting. North Charleston, South Carolina 01 - 05 Jun 2009

Compact quasi-ridged resonator for 28 GHz integrated on LCP substrate
Glubokov, O. and Budimir, D. 2009. Compact quasi-ridged resonator for 28 GHz integrated on LCP substrate. in: IEEE 10th Annual Wireless and Microwave Technology Conference, 2009. (WAMICON '09), 20-21 April 2009, Clearwater, Florida IEEE . pp. 1-3

Compact CSRR-loaded substrate integrated waveguide resonators on LCP substrate
Glubokov, O. and Budimir, D. 2009. Compact CSRR-loaded substrate integrated waveguide resonators on LCP substrate. EUCAP 2009: 3rd European Conference on Antennas and Propagation. Berlin, Germany 23 - 27 Mar 2009

Frequency switchable dual-band branch-line coupler
Draskovic, D., Budimir, D., Panagamuwa, C. and Vardaxoglou, J.C. 2009. Frequency switchable dual-band branch-line coupler. 39th European Microwave Conference 2009. Rome, Italy 28 Sep - 02 Oct 2009

Varactor tuned dual-band Wilkinson power divider
Draskovic, D. and Budimir, D. 2009. Varactor tuned dual-band Wilkinson power divider. AP-S 2009, IEEE International Symposium on Antennas & Propagation and USNC/URSI National Radio Science Meeting. North Charleston, South Carolina 01 - 05 Jun 2009

Quad-band power dividers with generalized NRI metamaterial transmission lines
Draskovic, D. and Budimir, D. 2009. Quad-band power dividers with generalized NRI metamaterial transmission lines. AP-S 2009, IEEE International Symposium on Antennas & Propagation and USNC/URSI National Radio Science Meeting. North Charleston, South Carolina 01 - 05 Jun 2009

Optically reconfigurable negative refractive index transmission lines
Draskovic, D. and Budimir, D. 2009. Optically reconfigurable negative refractive index transmission lines. EUCAP 2009: 3rd European Conference on Antennas and Propagation. Berlin, Germany 23 - 27 Mar 2009

Waveguide structures and filters for millimetre-wave applications
Budimir, D. and Glubokov, O. 2009. Waveguide structures and filters for millimetre-wave applications. 5th ESA Workshop on Millimetre Wave Technology and Applications & 31st ESA Antenna Workshop. ESTEC, Noordwijk, The Netherlands 18 - 20 May 2009

Cascade-connected ANN structures for indoor WLAN positioning
Borenović, M., Neskovic, A. and Budimir, D. 2009. Cascade-connected ANN structures for indoor WLAN positioning. in: Corchado, E. and Yin, H. (ed.) Intelligent Data Engineering and Automated Learning - IDEAL 2009: Proceedings of the 10th International Conference, Burgos, Spain, September 23-26, 2009 Springer.

Distortion components iterative injection technique for linearization of power amplifiers
Bondar, D., Budimir, D. and Shelkovnikov, A.B. 2009. Distortion components iterative injection technique for linearization of power amplifiers. in: Proceedings of the 19th International Crimean Conference "Microwave & Telecommunication Technology", CriMiCo 2009, 14-18 September 2009, Sevastopol, Ukraine IEEE . pp. 115-118

Distortion improvement of power amplifiers with digital predistortion
Bondar, D. and Budimir, D. 2009. Distortion improvement of power amplifiers with digital predistortion. in: IEEE 10th Annual Wireless and Microwave Technology Conference, 2009. (WAMICON '09), 20-21 April 2009, Clearwater, Florida IEEE . pp. 1-2

Advanced digital predistortion of power amplifiers for mobile and wireless communications
Bondar, D. 2009. Advanced digital predistortion of power amplifiers for mobile and wireless communications. PhD thesis University of Westminster School of Electronics and Computer Science

Frequency tunable microstrip resonators and filters
Athukorala, L. and Budimir, D. 2009. Frequency tunable microstrip resonators and filters. in: European Microwave Week "Science, Progress and Quality at Radiofrequencies" Conference Proceedings, 28 September - 2 October 2009, Rome, Italy IEEE . pp. 1239-1242

Dual-mode closed-loop microstrip filters for wireless applications
Athukorala, L. and Budimir, D. 2009. Dual-mode closed-loop microstrip filters for wireless applications. in: 9th International Conference on Telecommunication in Modern Satellite, Cable, and Broadcasting Services (TELSIKS '09), 7-9 October 2009, Nis, Serbia IEEE . pp. 151-153

Design of planar inverted-F antennas (PIFA) for multiband wireless applications
AbuTarboush, H.F., Nilavalan, R., Budimir, D. and Al-Raweshidy, H.S. 2009. Design of planar inverted-F antennas (PIFA) for multiband wireless applications. in: IEEE International Conference on Electromagnetics in Advanced Applications (ICEAA '09), Torino, Italy, 14 -18 September 2009 IEEE . pp. 78-81

Compact planar inverted-F antenna (PIFA) for WiMAX application
AbuTarboush, H.F., Nilavalan, R., Budimir, D. and Al-Raweshidy, H.S. 2009. Compact planar inverted-F antenna (PIFA) for WiMAX application. in: IEEE Antennas and Propagation Society International Symposium (APSURSI '09), Charleston, South Carolina, USA, June 1-5 2009 IEEE .

Reconfigurable wideband patch antenna for cognitive radio
AbuTarboush, H.F., Khan, S., Nilavalan, R., Al-Raweshidy, H.S. and Budimir, D. 2009. Reconfigurable wideband patch antenna for cognitive radio. in: IEEE Loughborough Antennas & Propagation Conference (LAPC 2009). Loughborough, UK, 16-17 November 2009 IEEE . pp. 141-144

Miniaturised microstrip filters and diplexers for wireless communication systems
Zayniyev, D., Budimir, D. and Zouganelis, G. 2008. Miniaturised microstrip filters and diplexers for wireless communication systems. Microwave and Optical Technology Letters. 50 (10), pp. 2701-2702.

Microstrip three-port 4-channel multiplexers using dual-band bandpass filters for wireless applications
Zayniyev, D. and Budimir, D. 2008. Microstrip three-port 4-channel multiplexers using dual-band bandpass filters for wireless applications. in: 2008 IEEE Antennas and Propagation Society International Symposium, Jul 5-11, 2008, San Diego, California Los Alamitos, USA IEEE . pp. 1-4

Novel folded SRR-loaded waveguide bandpass filters
Suntheralingam, N. and Budimir, D. 2008. Novel folded SRR-loaded waveguide bandpass filters. in: 2008 IEEE Antennas and Propagation Society International Symposium, Jul 5-11, 2008, San Diego, California Los Alamitos, USA IEEE . pp. 1-4

Compact waveguide bandpass filters with enhanced stopband performance
Suntheralingam, N. and Budimir, D. 2008. Compact waveguide bandpass filters with enhanced stopband performance. Asia-Pacific Microwave Conference 2008 (APMC'08). Hong Kong 15 - 19 Dec 2008

Novel compact substrate integrated waveguide resonators at 60 GHz for LCP
Glubokov, O., Budimir, D. and Shelkovnikov, A.B. 2008. Novel compact substrate integrated waveguide resonators at 60 GHz for LCP. in: 18th International Crimean Conference "Microwave & Telecommunication Technology" (CriMiCo'2008). 8-12 September, Sevastopol, Crimea, Ukraine Los Alamitos, USA IEEE . pp. 537-538

Compact substrate integrated waveguide resonators on LCP substrate for mm-wave wireless systems
Glubokov, O. and Budimir, D. 2008. Compact substrate integrated waveguide resonators on LCP substrate for mm-wave wireless systems. Asia-Pacific Microwave Conference 2008 (APMC'08). Hong Kong 15 - 19 Dec 2008

Compact multilayer SRR-loaded integrated waveguide filters on liquid crystal polymer substrate
Glubokov, O. and Budimir, D. 2008. Compact multilayer SRR-loaded integrated waveguide filters on liquid crystal polymer substrate. in: 2008 IEEE Antennas and Propagation Society International Symposium, Jul 5-11, 2008, San Diego, California Los Alamitos, USA IEEE . pp. 1-4

An optically reconfigurable dual-band branch-line coupler with artificial transmission lines
Draskovic, D. and Budimir, D. 2008. An optically reconfigurable dual-band branch-line coupler with artificial transmission lines. in: 2008 IEEE Antennas and Propagation Society International Symposium, Jul 5-11, 2008, San Diego, California Los Alamitos, USA IEEE . pp. 1-4

Optically reconfigurable input matching network
Draskovic, D. and Budimir, D. 2008. Optically reconfigurable input matching network. 2008 IEEE Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference. Gold Coast, Australia 30 Sep - 03 Oct 2008

Tesla's multi-frequency wireless radio controlled vessel
Budimir, D. and Marincic, A. 2008. Tesla's multi-frequency wireless radio controlled vessel. in: IEEE History of Electrotechnology Conference (HISTELCON 2008), 11 - 12 Sep 2008, Paris, France IEEE . pp. 24-27

Miniaturised microstrip dipexers for WiMAX applications
Budimir, D. and Athukorala, L. 2008. Miniaturised microstrip dipexers for WiMAX applications. in: 2008 IEEE Antennas and Propagation Society International Symposium, Jul 5-11, 2008, San Diego, California Los Alamitos, USA IEEE . pp. 1-4

Utilizing artificial neural networks for WLAN positioning
Borenović, M., Neskovic, A., Budimir, D. and Zezelj, L. 2008. Utilizing artificial neural networks for WLAN positioning. IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC'08). Cannes, France 15 - 18 Sep 2008 IEEE .

A new approach for non-linear analysis of power amplifiers
Bondar, D., Budimir, D. and Shelkovnikov, A.B. 2008. A new approach for non-linear analysis of power amplifiers. in: 18th International Crimean Conference "Microwave & Telecommunication Technology" (CriMiCo'2008). 8-12 September, Sevastopol, Crimea, Ukraine Los Alamitos, USA IEEE . pp. 125-128

Spectrum regrowth reduction in power amplifiers using digital baseband signal injection
Bondar, D., Budimir, D. and Shelkovnikov, A.B. 2008. Spectrum regrowth reduction in power amplifiers using digital baseband signal injection. Asia-Pacific Microwave Conference 2008 (APMC'08). Hong Kong 15 - 19 Dec 2008

Minimizing memory effects in OFDM transmitters using adaptive baseband equalization
Bondar, D., Budimir, D. and Shelkovnikov, A.B. 2008. Minimizing memory effects in OFDM transmitters using adaptive baseband equalization. in: 18th International Crimean Conference "Microwave & Telecommunication Technology" (CriMiCo'2008). 8-12 September, Sevastopol, Crimea, Ukraine Los Alamitos, USA IEEE . pp. 272-275

Linearization of power amplifiers by baseband digital predistortion for OFDM transmitters
Bondar, D., Budimir, D. and Shelkovnikov, A.B. 2008. Linearization of power amplifiers by baseband digital predistortion for OFDM transmitters. in: 18th International Crimean Conference "Microwave & Telecommunication Technology" (CriMiCo'2008). 8-12 September, Sevastopol, Crimea, Ukraine Los Alamitos, USA IEEE . pp. 270-271

Effective dielectric constant and design of sliced Lüneberg lens
Zouganelis, G. and Budimir, D. 2007. Effective dielectric constant and design of sliced Lüneberg lens. Microwave and Optical Technology Letters. 49 (10), pp. 2332-2337.

Miniaturised rectangular waveguide filters
Shelkovnikov, A.B. and Budimir, D. 2007. Miniaturised rectangular waveguide filters. International Journal of RF and Microwave Computer-Aided Engineering. 17 (4), pp. 398-403.

Silicon gap-loaded microstrip slit-tetragonal resonator under IR-irradiation
Zouganelis, G. and Budimir, D. 2007. Silicon gap-loaded microstrip slit-tetragonal resonator under IR-irradiation. Microwave & Optical Technology Letters. 49 (3), pp. 699-702.

Effective linearization technique for amplifiers operating close to saturation
Males-Ilic, N., Milovanovic, B. and Budimir, D. 2007. Effective linearization technique for amplifiers operating close to saturation. International Journal of RF and Microwave Computer-Aided Engineering. 17 (2), pp. 169-178.

Super compact microstrip pseudo-interdigital bandpass filters
Zayniyev, D., Budimir, D. and Zouganelis, G. 2007. Super compact microstrip pseudo-interdigital bandpass filters. 11th International Symposium on Microwave and Optical Technology (ISMOT-2007). Villa Mondragone, Monte Porzio Catone, Italy 17 -21 Dec 2007

Novel millimetre wave metawaveguide resonators and filters
Suntheralingam, N., Shelkovnikov, A.B. and Budimir, D. 2007. Novel millimetre wave metawaveguide resonators and filters. 37th European Microwave Conference 2007. Munich, Germany 08 - 12 October 2007

Compact SRR loaded waveguide bandpass filters
Shelkovnikov, A.B., Budimir, D. and Suntheralingam, N. 2007. Compact SRR loaded waveguide bandpass filters. 11th International Symposium on Microwave and Optical Technology (ISMOT-2007). Villa Mondragone, Monte Porzio Catone, Italy 17 -21 Dec 2007

Design of LDMOS balanced power amplifiers with improved IMD performance and size-reduction
Koulouzis, H., Draskovic, D. and Budimir, D. 2007. Design of LDMOS balanced power amplifiers with improved IMD performance and size-reduction. Asia-Pacific Microwave Conference 2007 (APMC'07). Bangkok, Thailand 11 - 14 Dec 2007

Optically reconfigurable dual-band compact branch-line couplers
Draskovic, D. and Budimir, D. 2007. Optically reconfigurable dual-band compact branch-line couplers. Second European Conference on Antennas and Propagation (EuCAP 2007). EICC, Edinburgh, UK 11 - 16 Nov 2007

Substrate integrated non-radiative dielectric waveguide resonators for millimeter wave applications
Budimir, D. and Suntheralingam, N. 2007. Substrate integrated non-radiative dielectric waveguide resonators for millimeter wave applications. Second European Conference on Antennas and Propagation (EuCAP 2007). EICC, Edinburgh, UK 11 - 16 Nov 2007

Novel metawaveguide bandpass filters
Budimir, D. and Kamal, F. 2007. Novel metawaveguide bandpass filters. Second European Conference on Antennas and Propagation (EuCAP 2007). EICC, Edinburgh, UK 11 - 16 Nov 2007

WiMax power amplifier linearisation through injection of base-band component
Bondar, D. and Budimir, D. 2007. WiMax power amplifier linearisation through injection of base-band component. 11th International Symposium on Microwave and Optical Technology (ISMOT-2007). Villa Mondragone, Monte Porzio Catone, Italy 17 -21 Dec 2007

Left-handed rectangular waveguide bandstop filters
Shelkovnikov, A.B. and Budimir, D. 2006. Left-handed rectangular waveguide bandstop filters. Microwave & Optical Technology Letters. 48 (5), pp. 846-848.

Bandpass filters using periodically loaded combline resonators
Shen, G. and Budimir, D. 2006. Bandpass filters using periodically loaded combline resonators. International Journal of R F and Microwave Computer-Aided Engineering. 16 (2), pp. 171-180.

New electromagnetic resonators and filters based in periodicity of magnetic permeability
Zouganelis, G. and Budimir, D. 2006. New electromagnetic resonators and filters based in periodicity of magnetic permeability. MMA'2006: 4th International Conference on Microwave Materials and their Applications. Oulu, Finland 12-15 Jun 2006

Novel s-shaped SRR loaded E-plane waveguide resonators
Suntheralingam, N. and Budimir, D. 2006. Novel s-shaped SRR loaded E-plane waveguide resonators. in: Proceedings of the European Conference on Antennas and Propagation: EuCAP 2006, 6-10 November 2006, Nice, France Noordwijk, The Netherlands ESA Publications.

Novel SRR loaded waveguide bandstop filters
Shelkovnikov, A.B., Suntheralingam, N. and Budimir, D. 2006. Novel SRR loaded waveguide bandstop filters. in: IEEE Antennas and Propagation Society International Symposium 2006 Los Alamitos, USA IEEE . pp. 4523-4526

Compact SRR loaded waveguide diplexers
Shelkovnikov, A.B. and Budimir, D. 2006. Compact SRR loaded waveguide diplexers. in: Proceedings of the European Conference on Antennas and Propagation: EuCAP 2006, 6-10 November 2006, Nice, France Noordwijk, The Netherlands ESA Publications.

LDMOS power amplifiers with CRLH combiners for LINC transmitters
Koulouzis, H. and Budimir, D. 2006. LDMOS power amplifiers with CRLH combiners for LINC transmitters. in: 36th European Microwave Conference, 2006 Los Alamitos, USA IEEE . pp. 1181-1184

Distortion correction of LDMOS power amplifiers using hybrid RF second harmonic injection/digital predistortion linearization
Koulouzis, H. and Budimir, D. 2006. Distortion correction of LDMOS power amplifiers using hybrid RF second harmonic injection/digital predistortion linearization. in: IEEE Mediterranean Electrotechnical Conference, 2006. MELECON 2006. Los Alamitos, USA IEEE . pp. 177-179

Composite right/left handed combiners for LINC transmitters
Koulouzis, H. and Budimir, D. 2006. Composite right/left handed combiners for LINC transmitters. 15th IST Mobile and Wireless Summit. Myconos, Greece 04-08 Jun 2006

Metawaveguide resonator structures for millimetre wave application
Budimir, D., Suntheralingam, N. and Kamal, F. 2006. Metawaveguide resonator structures for millimetre wave application. in: IET Seminar on MM-Wave Products and Technologies London, UK Institution of Engineering and Technology (IET).

Research activities and future trends of microwave wireless power transmission
Budimir, D. and Marincic, A. 2006. Research activities and future trends of microwave wireless power transmission. 6th International Symposium Nikola Tesla. Belgrade, Serbia 18-20 Oct 2006

RF power amplifiers and combline filters for wireless base-stations
Budimir, D. and Koulouzis, H. 2006. RF power amplifiers and combline filters for wireless base-stations. 13th International Conference on Telecommunications (ICT 2006). Funchal, Madeira island, Portugal 09-12 May 2006

LDMOS RF power amplifiers with improved performance characteristics using defected ground structure
Koulouzis, H. and Budimir, D. 2006. LDMOS RF power amplifiers with improved performance characteristics using defected ground structure. Microwave & Optical Technology Letters. 48 (1), pp. 50-53.

Waveguide bandpass filters for MMIC applications
Lalehparvar, L. and Budimir, D. 2005. Waveguide bandpass filters for MMIC applications. Microwave & Optical Technology Letters. 46 (5), pp. 471-473.

Novel 3D Hilbert microstrip resonators
Crnojevic-Bengin, V. and Budimir, D. 2005. Novel 3D Hilbert microstrip resonators. Microwave & Optical Technology Letters. 46 (3), pp. 195-197.

Compact ridge waveguide filter with parallel and series-coupled resonators
Goussetis, G., Feresidis, A.P., Budimir, D. and Vardaxoglou, J.C. 2005. Compact ridge waveguide filter with parallel and series-coupled resonators. Microwave & Optical Technology Letters. 45 (1), pp. 22-23.

Novel combline resonator structures
Shen, G. and Budimir, D. 2005. Novel combline resonator structures. Mediterranean Microwave Symposium (MMS2005). Athens, Greece 06-08 Sep 2005

Coupling coefficients of combline resonators
Shen, G. and Budimir, D. 2005. Coupling coefficients of combline resonators. in: 2005 SBMO/IEEE MTT-S International Conference on Microwave and Optoelectronics USA IEEE . pp. 400-402

Novel compact EBG waveguide resonators in planar form
Shelkovnikov, A.B. and Budimir, D. 2005. Novel compact EBG waveguide resonators in planar form. 35th European Microwave Conference. Paris, France 04-06 Oct 2005

Novel bandpass filters in planar form for microwave communication systems
Shelkovnikov, A.B. and Budimir, D. 2005. Novel bandpass filters in planar form for microwave communication systems. Postgraduate Research Conference in Electronics, Photonics, Communications & Networks, and Computing Science (PREP'05). Lancaster, UK 29 Mar - 01 Apr

Left handed rectangular waveguide resonator structures
Shelkovnikov, A.B. and Budimir, D. 2005. Left handed rectangular waveguide resonator structures. Workshop on Metamaterials for Microwave and Optical Technologies. San Sebastien, Spain 18-20 Jul 2005

Distortion correction of LDMOS RF power amplifiers using digital predistortion
Koulouzis, H. and Budimir, D. 2005. Distortion correction of LDMOS RF power amplifiers using digital predistortion. Mediterranean Microwaves Symposium (MMS2005). Athens, Greece 06-08 Sep 2005

Waveguide components
Budimir, D. 2005. Waveguide components. in: Chang, K. (ed.) Encyclopedia of RF and microwave engineering Hoboken, USA Wiley.

Novel compact resonators with multiple 2-D Hilbert fractal curves
Bengin-Crnojevic, V. and Budimir, D. 2005. Novel compact resonators with multiple 2-D Hilbert fractal curves. 35th European Microwave Conference. Paris, France 04-06 Oct 2005

Compact ridged-waveguide bandpass filters and diplexers
Shelkovnikov, A.B., Goussetis, G. and Budimir, D. 2004. Compact ridged-waveguide bandpass filters and diplexers. Microwave & Optical Technology Letters. 41 (6), pp. 465-467.

Influence of manufacturing tolerancies on central frequency of a narrow band E-plane waveguide filter
Rakic, M., Jokanovic, B. and Budimir, D. 2004. Influence of manufacturing tolerancies on central frequency of a narrow band E-plane waveguide filter. Microwave Engineering. 10 (1), pp. 14-19.

Integrated waveguide bandpass filters using thick-film technology
Bengin-Crnojevic, V. and Budimir, D. 2004. Integrated waveguide bandpass filters using thick-film technology. Microwave Engineering. 10 (1).

Combline filters using periodically loaded resonators
Shen, G. and Budimir, D. 2004. Combline filters using periodically loaded resonators. Microwave & Optical Technology Letters. 40 (3), pp. 189-191.

Dielectric combline resonators
Shen, G. and Budimir, D. 2004. Dielectric combline resonators. 2004 Asia-Pacific Microwave Conference. New Delhi, India 15-18 Dec 2004

Bandpass filters using periodically loaded combline resonators
Shen, G. and Budimir, D. 2004. Bandpass filters using periodically loaded combline resonators. 2004 Asia-Pacific Microwave Conference. New Delhi, India 15-18 Dec 2004

Rectangular waveguide resonators in planar form for filter applications
Shelkovnikov, A.B. and Budimir, D. 2004. Rectangular waveguide resonators in planar form for filter applications. in: IEEE Antennas and Propagation Society International Symposium, 2004 Los Alamitos, USA IEEE .

Novel E-plane filters and diplexers using rectangular waveguide in planar form
Shelkovnikov, A.B. and Budimir, D. 2004. Novel E-plane filters and diplexers using rectangular waveguide in planar form. 2004 Asia-Pacific Microwave Conference. New Delhi, India 15-18 Dec 2004

Electromagnetic modelling of novel E-plane diplexers
Shelkovnikov, A.B. and Budimir, D. 2004. Electromagnetic modelling of novel E-plane diplexers. EPSRC PREP 2004. Hertfordshire, UK 05-07 Apr 2004

A 3rd order ridge waveguide filter with parallel coupled resonators
Goussetis, G., Feresidis, A.P., Budimir, D. and Vardaxoglou, J.C. 2004. A 3rd order ridge waveguide filter with parallel coupled resonators. in: 2004 IEEE MTT-S International Microwave Symposium Digest Los Alamitos, USA IEEE .

Novel microstrip resonators with embedded 3D curves
Crnojevic-Bengin, V. and Budimir, D. 2004. Novel microstrip resonators with embedded 3D curves. 2004 Asia-Pacific Microwave Conference. New Delhi, India 15-18 Dec 2004

LDMOS RF power amplifiers with improved IMD performance
Budimir, D., Koulouzis, H. and Williams, C. 2004. LDMOS RF power amplifiers with improved IMD performance. in: 34th European Microwave Conference, 2004 London, UK Horizon House Publications Ltd.

Improvement in second harmonics linearization technique for multichannel amplifiers
Males-Ilic, N., Milovanovic, B. and Budimir, D. 2003. Improvement in second harmonics linearization technique for multichannel amplifiers. Microwave & Optical Technology Letters. 38 (2), pp. 150-153.

Three-dimensional coplanar waveguide lowpass filters for MMIC applications
Lalehparvar, L. and Budimir, D. 2003. Three-dimensional coplanar waveguide lowpass filters for MMIC applications. Microwave & Optical Technology Letters. 37 (6), pp. 403-405.

Novel periodically loaded E-plane filters
Goussetis, G. and Budimir, D. 2003. Novel periodically loaded E-plane filters. IEEE Microwave and Wireless Components Letters. 13 (6), pp. 193-195.

Novel periodically loaded ridged waveguide resonators
Goussetis, G. and Budimir, D. 2003. Novel periodically loaded ridged waveguide resonators. Microwave & Optical Technology Letters. 37 (4), pp. 266-268.

Design of asymmetrical RF and microwave bandpass filters by computer optimization
Budimir, D. and Goussetis, G. 2003. Design of asymmetrical RF and microwave bandpass filters by computer optimization. IEEE Transactions on Microwave Theory and Techniques. 51 (4, par), pp. 1174-1178.

A high-Q multilayer combline resonators
Shen, G. and Budimir, D. 2003. A high-Q multilayer combline resonators. 2003 Asia-Pacific Microwave Conference. Seoul, South Korea 04-07 Nov 2003

Novel combline resonator structures for wireless systems
Shen, G. and Budimir, D. 2003. Novel combline resonator structures for wireless systems. in: Proceedings of the International Multiconference on Circuits, Systems, Communications and Computers (CSCS 2003), Corfu, Greece, 07-10 July, 2003 WSEAS.

High-Q dielectric combline resonator with wide spurious free performance
Shen, G. and Budimir, D. 2003. High-Q dielectric combline resonator with wide spurious free performance. in: Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference, 2003. IMOC 2003 Los Alamitos, USA IEEE .

Broadband wireless access systems
Shelkovnikov, A.B., Shelkovnikov, B.N. and Budimir, D. 2003. Broadband wireless access systems. 11th Telecommunication Forum (TELFOR 2003). Belgrade, Serbia and Montenegro 25-27 Nov 2003

Novel waveguide E-plane bandpass filters in planar form
Shelkovnikov, A.B. and Budimir, D. 2003. Novel waveguide E-plane bandpass filters in planar form. 2003 Asia-Pacific Microwave Conference. Seoul, South Korea 04-07 Nov 2003

Electromagnetic modelling of planar rectangular waveguide resonator structures
Lalehparvar, L., Budimir, D. and Koulouzis, H. 2003. Electromagnetic modelling of planar rectangular waveguide resonator structures. EPSRC PREP 2003. Exeter, UK 14-16 Apr 2003

Waveguide resonators in planar form for oscillator and filter applications
Koulouzis, H., Lalehparvar, L. and Budimir, D. 2003. Waveguide resonators in planar form for oscillator and filter applications. in: 11th IEEE International Symposium on Electron Devices for Microwave and Optoelectronic Applications, 2003. EDMO 2003 Los Alamitos, USA IEEE . pp. 71-75

Ridged waveguide manifold multiplexers with improved performance
Goussetis, G., Shelkovnikov, A.B. and Budimir, D. 2003. Ridged waveguide manifold multiplexers with improved performance. in: 33rd European Microwave Conference, 2003 Los Alamitos, USA IEEE .

Compact ridged waveguide filters with improved stopband performance
Goussetis, G. and Budimir, D. 2003. Compact ridged waveguide filters with improved stopband performance. in: 2003 IEEE MTT-S International Microwave Symposium Digest Los Alamitos, USA IEEE .

End coupled thick microstrip resonators with periodical slot loading
Crnojevic-Bengin, V. and Budimir, D. 2003. End coupled thick microstrip resonators with periodical slot loading. 11th Telecommunication Forum (TELFOR 2003). Belgrade, Serbia and Montenegro 25-27 Nov 2003

Design of thick film microstrip lowpass filters
Crnojevic-Bengin, V. and Budimir, D. 2003. Design of thick film microstrip lowpass filters. in: 6th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Service, 2003. TELSIKS 2003. Los Alamitos, USA IEEE .

Linearization of multichannel amplifiers with the injection of second harmonics into the amplifier and predistortion circuit
Budimir, D., Males-Ilic, N., Milovanovic, B. and Tomic, M. 2003. Linearization of multichannel amplifiers with the injection of second harmonics into the amplifier and predistortion circuit. in: 6th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Service, 2003. TELSIKS 2003 Los Alamitos, USA IEEE .

Novel periodically loaded ridged waveguide resonators
Goussetis, G. and Budimir, D. 2002. Novel periodically loaded ridged waveguide resonators. Microwave & Optical Technology Letters. 37 (4), pp. 266-268.

Microwave dielectric properties of R2BAZNO5 and EU2BAZN075CU025O5 compounds using a microwave resonator cavity
Shen, G., Zouganelis, G., Budimir, D., Kan, A., Ogawa, H. and Ohsato, H. 2002. Microwave dielectric properties of R2BAZNO5 and EU2BAZN075CU025O5 compounds using a microwave resonator cavity. Microwave Materials and Their Applications Conference. York, UK 01-03 Sep 2002

Novel resonator structures for combline filter applications
Shen, G. and Budimir, D. 2002. Novel resonator structures for combline filter applications. in: 32nd European Microwave Conference (EUMC 2002) Fiera di Milano, Italy Microwave Engineering Europe.

Diminished sensitivity to phase variation in injected second harmonic linearization technique for multichannel amplifiers
Males-Ilic, N., Milovanovic, B. and Budimir, D. 2002. Diminished sensitivity to phase variation in injected second harmonic linearization technique for multichannel amplifiers. 2002 Asia-Pacific Microwave Conference. Kyoto, Japan 19-22 Nov 2002

Amplifiers with improved IMD performance for multi-channel wireless systems
Males-Ilic, N., Milovanovic, B. and Budimir, D. 2002. Amplifiers with improved IMD performance for multi-channel wireless systems. in: 32nd European Microwave Conference (EUMC 2002) Fiera di Milano, Italy Microwave Engineering Europe.

Integration of lowpass filters in bandpass filters for stopband improvement
Goussetis, G. and Budimir, D. 2002. Integration of lowpass filters in bandpass filters for stopband improvement. in: 32nd European Microwave Conference (EUMC 2002) Fiera di Milano, Italy Microwave Engineering Europe.

Antenna filters for wireless telecommunications systems
Goussetis, G. and Budimir, D. 2002. Antenna filters for wireless telecommunications systems. in: 32nd European Microwave Conference (EUMC 2002) Fiera di Milano, Italy Microwave Engineering Europe.

Characteristic impedance in triple ridge waveguide
Casanueva, J.A., Mediavilla, A., McKay, M., Caplin, M., Budimir, D., Pereda, J.A. and Helszajn, J. 2002. Characteristic impedance in triple ridge waveguide. Microwave Engineering Europe.

CAD of RF and microwave filters for wireless communications
Budimir, D., Shen, G. and Goussetis, G. 2002. CAD of RF and microwave filters for wireless communications. in: Proceedings of the 1st IEEE International Conference on Circuits and Systems for Communications, 2002. ICCSC '02. Los Alamitos, USA IEEE . pp. 308-311

Dielectric resonators for mobile communication applications
Budimir, D., Nikolic, N. and Shen, G. 2002. Dielectric resonators for mobile communication applications. in: Proceedings of the 6th WSEAS International Conference on Circuits, Systems, Communications and Computers (CSCC 2002), Rethymno, Crete, Greece, July 7-14, 2002 WSEAS. pp. 476-479

Design of low intermodulation amplifiers for wireless multichannel applications
Budimir, D., Males-Ilic, N. and Milovanovic, B. 2002. Design of low intermodulation amplifiers for wireless multichannel applications. Mediterranean Microwave Symposium 2002 (MMS2002). Cacares, Spain 26-28 Jun 2002

Design of generalized Chebyshev lumped element filters by computer optimisation
Budimir, D., Lalehparvar, L. and Nikolic, N. 2002. Design of generalized Chebyshev lumped element filters by computer optimisation. in: 11th Mediterranean Electrotechnical Conference, 2002. MELECON 2002. Los Alamitos, USA IEEE . pp. 475-478

Optimisation of asymmetrical bandpass filters
Budimir, D. and Goussetis, G. 2002. Optimisation of asymmetrical bandpass filters. in: 32nd European Microwave Conference (EUMC 2002) Fiera di Milano, Italy Microwave Engineering Europe.

Thick film technology and lowpass filter design
Bengin-Crnojevic, V. and Budimir, D. 2002. Thick film technology and lowpass filter design. Mediterranean Microwave Symposium 2003 (MMS2003). Cairo, Egypt 06-08 May 2003

Upper and lower bounds of 180 degree unit element of a ridge waveguide: calculations and measurements
Goussetis, G., Budimir, D. and Helszajn, J. 2001. Upper and lower bounds of 180 degree unit element of a ridge waveguide: calculations and measurements. Microwave & Optical Technology Letters. 31 (4), pp. 260-261.

Tesla's contribution to radiowave propagation
Marincic, A. and Budimir, D. 2001. Tesla's contribution to radiowave propagation. Microwave Review. 7 (2), pp. 24-28.

A multicarrier amplifier design linearized through second harmonics and second-order IM feedback
Milanovic, B., Males-Ilic, N. and Budimir, D. 2001. A multicarrier amplifier design linearized through second harmonics and second-order IM feedback. Facta Universitatis Series: Electronics and Energetics. 14 (2), pp. 243-252.

Design of hybrid MIC power amplifier linearized through second harmonics feedback
Budimir, D., Males-Ilic, N. and Milovanovic, B. 2001. Design of hybrid MIC power amplifier linearized through second harmonics feedback. Microwave Review. 7 (1), pp. 13-18.

Improvement of third-order intermodulation product of RF and microwave amplifiers by injection
Aitchison, C.S., Mbabele, M., Moazzam, M.R., Budimir, D. and Ali, F. 2001. Improvement of third-order intermodulation product of RF and microwave amplifiers by injection. IEEE Transactions on Microwave Theory and Techniques. 49 (6, par), pp. 1148-1154.

Software for wireless broadband system design
Shelkovnikov, B.N., Shelkovnikov, A.B. and Budimir, D. 2001. Software for wireless broadband system design. in: 11th International Conference on Microwave and Telecommunication Technology (CriMiCo 2001). September 10-14, Sevastapol, Crimea, Ukraine Los Alamitos, USA IEEE . pp. 45-49

CAD for CATV design
Shelkovnikov, A.B. and Budimir, D. 2001. CAD for CATV design. in: 5th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Service, 2001 (TELSIKS 2001) Los Alamitos, USA IEEE .

A multicarrier amplifier design linearized trough second harmonics and second-order IM feedback
Milovanovic, B., Males-Ilic, N. and Budimir, D. 2001. A multicarrier amplifier design linearized trough second harmonics and second-order IM feedback. in: 5th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Service (TELSIKS 2001) Los Alamitos, USA IEEE .

Low intermodulation amplifiers for RF and microwave wireless systems
Males-Ilic, N., Milovanovic, B. and Budimir, D. 2001. Low intermodulation amplifiers for RF and microwave wireless systems. in: 2001 Asia-Pacific Microwave Conference. APMC 2001. Los Alamitos, USA IEEE . pp. 984-987

IMD amplifiers
Males-Ilic, N., Milovanovic, B. and Budimir, D. 2001. IMD amplifiers. XLV Conference for Electronics, Telecommunications, Computers, Automation, and Nuclear Engineering. Arandjelovac, Yugoslavia 04-07 Jun 2001

Design of low intermodulation amplifiers for wireless multichannel applications
Males-Ilic, N., Milovanovic, B. and Budimir, D. 2001. Design of low intermodulation amplifiers for wireless multichannel applications. 31th European Microwave Conference. London, UK 24-28 Sep 2001

Electromagnetic modelling of multilayer CPW on GaAs substrate for MMICs
Lalehparvar, L., Budimir, D. and Koulouzis, H. 2001. Electromagnetic modelling of multilayer CPW on GaAs substrate for MMICs. EPSRC Conference. Keele, UK Apr 2001

Electromagnetic modelling of multilayer CPW on GaAs substrate for MMICs
Lalehparvar, L. and Budimir, D. 2001. Electromagnetic modelling of multilayer CPW on GaAs substrate for MMICs. 7th International Symposium on Recent Advances in Microwave Technology (ISRAMT2001). Montreal, Canada 19-23 Jun 2001

Electromagnetic modelling of 3D multilayer CPW transmission lines on GaAs/Si substrates for MMICs
Lalehparvar, L. and Budimir, D. 2001. Electromagnetic modelling of 3D multilayer CPW transmission lines on GaAs/Si substrates for MMICs. in: Proceedings of the 2001 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference, 2001. IMOC 2001. Los Alamitos, USA IEEE .

Comparison of multilayer CPW on GaAs and Si substrate for MMICs
Lalehparvar, L. and Budimir, D. 2001. Comparison of multilayer CPW on GaAs and Si substrate for MMICs. 8th International Conference on Telecommunications (ICT2001). Bucharest, Romania 04-07 Jun 2001

3D coplanar waveguide structures on GaAs/Si substrates for MMIC applications
Lalehparvar, L. and Budimir, D. 2001. 3D coplanar waveguide structures on GaAs/Si substrates for MMIC applications. in: 2001 Asia-Pacific Microwave Conference, 2001. APMC 2001. Los Alamitos, USA IEEE .

Simple tuning procedure for coupled-resonator filters
Goussetis, G. and Budimir, D. 2001. Simple tuning procedure for coupled-resonator filters. in: 2001 Asia-Pacific Microwave Conference, 2001. APMC 2001. Los Alamitos, USA IEEE .

Electromagnetic modelling of ridged waveguide
Goussetis, G. and Budimir, D. 2001. Electromagnetic modelling of ridged waveguide. EPSRC Conference. Keele, UK Apr 2001

Electromagnetic analysis and design of ridged waveguide T-junctions for multiplexer applications
Goussetis, G. and Budimir, D. 2001. Electromagnetic analysis and design of ridged waveguide T-junctions for multiplexer applications. in: Proceedings of the International Conference on Electromagnetics in Advanced Applications (ICEAA 01), 10-14 September, Torino, Italy Torino, Italy Politecnico di Torino.

E-plane manifold multiplexers with improved bandwidth
Goussetis, G. and Budimir, D. 2001. E-plane manifold multiplexers with improved bandwidth. 31st European Microwave Conference. London, UK 24-28 Sep 2001

E-plane double ridge waveguide filters and diplexers for communication systems
Goussetis, G. and Budimir, D. 2001. E-plane double ridge waveguide filters and diplexers for communication systems. 31th European Microwave Conference. London, UK 24-28 Sep 2001

CAD for broadband wireless access design
Budimir, D. and Shelkovnikov, A.B. 2001. CAD for broadband wireless access design. in: 5th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Service, 2001 (TELSIKS 2001) Los Alamitos, USA IEEE .

Periodically loaded waveguide structures
Budimir, D. 2001. Periodically loaded waveguide structures. in: 11th International Conference on Microwave and Telecommunication Technology (CriMiCo 2001). September 10-14, Sevastapol, Crimea, Ukraine Los Alamitos, USA IEEE . pp. 470-471

Amplifiers for RF and microwave multichannel wireless systems
Budimir, D. 2001. Amplifiers for RF and microwave multichannel wireless systems. in: 2001 International Symposium on Electron Devices for Microwave and Optoelectronic Applications Los Alamitos, USA IEEE . pp. 261-265

EPFIL: waveguide E-Plane filter design software and user's manual
Budimir, D. 1999. EPFIL: waveguide E-Plane filter design software and user's manual. Artech House.

Generalized filter design by computer optimization
Budimir, D. 1998. Generalized filter design by computer optimization. Artech House.

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