Publikationen
2020
Buchbeitrag
Numerical parameter extraction for multi terminal type microwave devices
Schumann, Ulrich; Jostingmeier, Andreas; Omar, Abbas
In: Symposium: IEEE Radio and Wireless Symposium, RWS, San Antonio, Texas, USA, 26-29 Jan. 2020, 2020 IEEE Radio and Wireless Symposium/ IEEE Radio and Wireless Symposium - Piscataway, NJ: IEEE . - 2020, S. 205-208
Digital beamforming performance for a single user massive MIMO system based SNR and DL throughput
Al-Dabbagh, Mohanad Dawood; Gaber, Abdo; Omar, Abbas
In: 2020 IEEE Radio and Wireless Symposium: 26-29 January 2020 : Grand Hyatt San Antonio, San Antonio, Texas, USA : 2020 IEEE Radio and Wireless Week/ IEEE Radio and Wireless Symposium - Piscataway, NJ: IEEE . - 2020, S. 108-11
Begutachteter Zeitschriftenartikel
Dependence of beamforming on the excitation of orbital angular momentum (OAM) modes
Omar, Abbas
In: IEEE transactions on antennas and propagation: a publication of the IEEE Antennas and Propagation Society/ Institute of Electrical and Electronics Engineers - New York, NY: IEEE . - 2020
2019
Buchbeitrag
Accurate excitation of waveguides using discrete ports together with TRL calibration
Schumann, Ulrich; Jostingmeier, Andreas; Omar, Abbas
In: Konferenz: 2019 Conference on Microwave Techniques, COMITE, Pardubice, Czech Republic, 16-18 April 2019, 2019 Conference on Microwave Techniques (COMITE)/ Conference on Microwave Techniques - [Piscataway, NJ]: IEEE . - 2019
In-depth analysis of the TRL calibration procedure for de-embedding in numerical simulations
Schumann, Ulrich; Jostingmeier, Andreas; Omar, Abbas
In: Konferenz: IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization, NEMO, Boston, MA, USA, 29-31 May 2019, 2019 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO)/ IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization - [Piscataway, NJ]: IEEE . - 2019
Band-limited reconstructions in microwave imaging
Omar, Abbas
In: 2019 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) - Piscataway, NJ: IEEE, S. 1-4[Konferenz: IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization, NEMO, Boston, MA, USA, 29-31 May 2019]
Homogeneity of the RF field in MRI TEM coils
Omar, Abbas
In: 2019 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) - Piscataway, NJ: IEEE, S. 1-4[Konferenz: IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization, NEMO, Boston, MA, USA, 29-31 May 2019]
General analysis of coupled-element antenna arrays
Omar, Abbas
In: 2019 IEEE Aerospace Conference - [Piscataway, NJ]: IEEE[Konferenz: IEEE Radio and Wireless Symposium, RWS, Orlando, FL, USA, 20-23 Jan. 2019]
Analytical considerations of the TRL calibration procedure for general de-embedding purposes
Schumann, Ulrich; Jostingmeier, Andreas; Omar, Abbas
In: Konferenz: 42nd International Spring Seminar on Electronics Technology, ISSE, Wroclaw, Poland, 15-19 May 2019, 2019 42nd International Spring Seminar on Electronics Technology (ISSE)/ International Spring Seminar on Electronics Technology - [Piscataway, NJ]: IEEE . - 2019
Pre- and post-coding in millimeter-wave massive MIMO
Omar, Abbas
In: 2019 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) - Piscataway, NJ: IEEE, S. 1-4[Konferenz: IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization, NEMO, Boston, MA, USA, 29-31 May 2019]
Multimodal waveguides for material characterization
Omar, Abbas
In: Advances in materials science research - New York: Nova Science Publishers, S. 81-108, 2019
Active radial transmission lines as phased arrays for massive MIMO
Omar, Abbas
In: 2019 IEEE Radio and Wireless Symposium (RWS) - Piscataway, NJ: IEEE[Konferenz: 2019 IEEE Radio and Wireless Symposium, RWS, Orlando, FL, USA, 20-23 Januar 2019]
Begutachteter Zeitschriftenartikel
Design considerations for radiofrequency whole-body and head coils
Omar, Abbas
In: IEEE journal of electromagnetics, RF and microwaves in medicine and biology - New York, NY: IEEE, Bd. 3.2019, 2, S. 143-147
Baseband and super-resolution-passband reconstructions in microwave imaging
Omar, Abas
In: IEEE transactions on microwave theory and techniques - New York, NY : IEEE, Bd. 67 (2019), Heft 4, S. 1327-1335
Characterization of a multiport coaxial line adaptor for multimodal waveguides[-5pt]
Omar, Abbas
In: IEEE transactions on microwave theory and techniques - New York, NY: IEEE, insges. 9 S., 2019[Online first]
2018
Buchbeitrag
A new super-resolution technique for direction (and time) of arrival detection
Omar, Abbas
In: 2018 48th European Microwave Conference - [Piscataway, NJ]: IEEE, S. 1569-1572[Konferenz: 48th European Microwave Conference, EuMC, Madrid, 23-27 September 2018]
RF coils of magnetic-resonance imaging as phased arrays
Omar, Abbas
In: 2018 IEEE Conference on Antenna Measurements & Applications (CAMA): 3-6 Sept. 2018 - Piscataway, NJ: IEEE, insges. 3 S.[Konferenz: 2018 IEEE Conference on Antenna Measurements & Applications, CAMA, Västerås, Sweden, 3-6 September 2018]
Narrow-band de-embedding of modified feeding transmission lines in electromagnetic simulations
Schumann, Ulrich; Jostingmeier, Andreas; Omar, Abbas
In: 2018 41st International Spring Seminar on Electronics Technology (ISSE)/ International Spring Seminar on Electronics Technology - [Piscataway, NJ]: IEEE . - 2018, insges. 4 S.
Analysis of coupling and loading in RF coils for magnetic-resonance imaging
Omar, Abbas
In: ANTEM 2018- [Piscataway, NJ]: IEEE, 2018, insges. 3 S.[Symposium: 18th International Symposium on Antenna Technology and Applied Electromagnetics, ANTEM, Waterloo, ON, Canada, 19-22 August 2018]
Begutachteter Zeitschriftenartikel
IMS2018 student paper competition
Omar, Abbas; Li, Changzhi
In: IEEE microwave magazine - Piscataway, NJ: IEEE, Bd. 19.2018, 3, S. 53
Guest editorial
Omar, Abbas
In: IEEE transactions on microwave theory and techniques: MTT : a publication of the IEEE Microwave Theory and Techniques Society - New York, NY: IEEE, Bd. 66.2018, 12, S. 5368
Dissertation
Effiziente Modellierung gleichförmiger Leitungen mit modalen Netzwerken
Mantzke, Andreas; Leone, Marco; Omar, Abbas
In: Magdeburg, 2018, V, 171 Seiten, Illustrationen, Diagramme, 21 cm[Literaturverzeichnis: Seite 163-171]
2017
Buchbeitrag
General synthesis method for variable couplers, switches, bridges, and power dividers and combiners
Omar, Abbas
In: 2017 47th European Microwave Conference : 10-12 October 2017, Nuremburg, Germany - [Piscataway, NJ] : IEEE, S. 335-338 [Konferenz: 47th European Microwave Conference, EuMC, Nuremburg, Germany, 10-12 October 2017]
Systematic characterization of element coupling in high-directivity antenna arrays
Omar, Abbas
In: 2017 IEEE Aerospace Conference : Yellowstone Conference Center, Big Sky, Montana, March 4-11, 2017 - [Piscataway, NJ] : IEEE [Konferenz: 2017 IEEE Aerospace Conference, Montana, March 4-11, 2017]
2016
Begutachteter Zeitschriftenartikel
Utilization of multiple-antenna multicarrier systems and NLOS mitigation for accurate wireless indoor positioning
Gaber, Abdo; Omar, Abbas
In: IEEE transactions on wireless communications - New York, NY: IEEE, 2002, Bd. 15.2016, 10, S. 6570-6584
2015
Begutachteter Zeitschriftenartikel
A study of wireless indoor positioning based on joint TDOA and DOA estimation using 2-D matrix pencil algorithms and IEEE 802.11ac
Gaber, Abdo Nasser; Omar, Abbas
In: IEEE transactions on wireless communications - New York, NY: IEEE, 2002, Bd. 14.2015, 5, S. 2440-2454
Dissertation
Wireless indoor positioning based on TDOA and DOA estimation techniques using IEEE 802.11 standards
Gaber, Abdo Nasser Ali; Omar, Abbas S.; Diedrich, Christian
In: Magdeburg, Univ., Fak. für Elektrotechnik und Informationstechnik, Diss., 2015, XXX, 209 S., Ill., graph. Darst.
Artikel in Kongressband
High-resolution indoor positioning system using SDR modules
Gaber, Abdo Nasser; Prcanovic, S.; Omar, Abbas
In: 2015 IEEE Radio and Wireless Symposium (RWS) - Piscataway, NJ: IEEE, 2015 . - 2015, S. 209-211
2014
Buchbeitrag
UDP identification for high-resolution wireless indoor positioning based on IEEE 802.11ac
Gaber, Abdo; Alsaih, Ali M.; Omar, Abbas
In: 11th Workshop on Positioning, Navigation and Communication (WPNC), 2014 - Piscataway, NJ: IEEE, 2014 . - 2014[Konferenz: 11th Workshop on Positioning, Navigation and Communication, WPNC, Dresden, Germany, 12-13 March 2014]
Recent results of high-resolution wireless indoor positioning based on IEEE 802.11ac
Gaber, Abdo; Omar, Abbas
In: 2014 IEEE Radio and Wireless Symposium (RWS) - Piscataway, NJ: IEEE, 2014 . - 2014[Konferenz: IEEE Radio and Wireless Symposium, RWS, Newport Beach, CA, USA, 19-23 Januar 2014]
Begutachteter Zeitschriftenartikel
High-performance wide stop band low-pass filter using a vertically coupled DGS-DMS-resonators and interdigital capacitor
Boutejdar, Ahmed; Omar, Abbas; Burte, Edmund
In: Microwave and optical technology letters. - New York, NY [u.a.] : Wiley, Bd. 56.2014, 1, S. 87-91
2013
Buchbeitrag
A tiny double-ridged horn antenna for subsurface radar applications
Panzner, B.; Jostingmeier, A.; Omar, Abbas
In: 7th European Conference on Antennas and Propagation, EUCAP 2013: 8 - 12 April 2013, Gothenburg, Sweden - Piscataway, NJ: IEEE, 2013 . - 2013, S. 1322-1325Kongress: EUCAP 7 (Gothenburg, Sweden : 2013.04.08-12)
Investigations on array element spacing of a synthetic aperture for subsurface imaging
Panzner, B.; Jostingmeier, A.; Omar, Abbas
In: 14th International Radar Symposium (IRS), 2013 - Piscataway, NJ: IEEE, 2013 . - 2013, S. 824-828Kongress: IRS 14 (Dresden : 2013.06.19-21)
Joint time delay and DOA estimation using 2-D matrix pencil algorithms and IEEE 802.11ac
Gaber, Abdo Nasser; Omar, Abbas
In: 2013 10th Workshop on Positioning, Navigation and Communication (WPNC) - Piscataway, NJ: IEEE, 2013 . - 2013, insges. 6 S.Kongress: WPNC 10 (Dresden : 2013.03.20-21)
Multidimensional metamaterial fluid sensor
Lucklum, Ralf; Zubtsov, Mikhail; Oseev, Aleksandr; Omar, Abbas; Martinez, A.
In: Transducers & Eurosensors XXVII - Piscataway, NJ: IEEE, 2013 . - 2013, S. 1739-1742
Begutachteter Zeitschriftenartikel
A simple transformation of improved WLAN band pass to low pass filter using defected ground structure (DGS), defected microstrip structure (DMS) and multilayer-technique
Boutejdar, Ahmed; Omar, Abbas; AL Sharkawy, Mohamed; Darwish, Abdulrahman
In: Journal of microwaves, optoelectronics and electromagnetic application - São Caetano do Sul, 2008, Vol. 12.2013, 1, S. fp111-fp130
Design and improvement of compact half-wavelength band pass filter employing overlapped slotted ground structure (SGS) and multilayer technique
Boutejdar, Ahmed; Darwish, Abdulrahman; Omar, Abbas
In: Applied Computational Electromagnetics Society journal - Monterey, Calif, 1986, Bd. 28.2013, 8, S. 685-692
LPF builds on quasi-yagi DGS
Boutejdar, Ahmed; Omar, Abbas; Burte, Edmund P.
In: Microwaves & RF - Cleveland, Ohio: Penton, 1999, Bd. 4.2013, 9, S. 52-58
Design and optimization of new compact tunable 2.4-GHz band pass filter using coupled [lambda]/2 microstrip open-loop resonators and mems-switch technique
Boutejdar, Ahmed; Omar, Abbas; Burte, Edmund
In: Microwave and optical technology letters - New York, NY [u.a.]: Wiley, 1988, Bd. 55.2013, 10, S. 2444-2450
Artikel in Kongressband
The cause of the different losses in microstrip structure and approach process to their minimization
Boutejdar, Ahmed; Omar, Abbas; Burte, Edmund P.; Winkler, Dennis
In: Hochfrequenztechnik, Komponenten, Module und EMV, Medizintechnik und drahtlose Gesundheitsassistenzsysteme - Gerotron Communication, 2013 . - 2013Kongress: EEEfCOM 2013 (Ulm : 2013.07.08-09)
A new design of a reconfigurable band pass filter based on octagonal resonators, varactor devices and lumped-low pass filter for blocking R
Boutejdar, Ahmed; Darwish, Abderahman; Omar, Abbas; Burte, Edmund
In: RADCOM 2013 - Gerotron Communication, 2013 . - 2012, insges. 23 S.Kongress: RADCOM (Hamburg : 2013.04.24-25)
Design and realization of a novel ultra wide stop band low pass filter using quasi-yagi-DGS-element and parallel compensated capacitors
Boutejdar, Ahmed; Omar, Abbas; Burte, Edmund
In: RADCOM 2013 - Gerotron Communication, 2013 . - 2012, insges. 16 S.Kongress: RADCOM (Hamburg : 2013.04.24-25)
Design of new compact multi-band pass filters using multi-armed split ring resonators with direct feed
Boutejdar, Ahmed; Omar, Abbas; Burte, Edmund P.
In: Hochfrequenztechnik, Komponenten, Module und EMV, Medizintechnik und drahtlose Gesundheitsassistenzsysteme - Gerotron Communication, 2013 . - 2013Kongress: EEEfCOM 2013 (Ulm : 2013.07.08-09)
2012
Buchbeitrag
Investigation on the aperture size for SAR focusing of subsurface targets
Panzner, Berthold; Jöstingmeier, Andreas; Omar, Abbas
In: IRS-2012. - IEEE, S. 450-453Kongress: IRS; (Warsaw, Poland) : 2012.05.23-25
A novel multimodal waveguide technique for the broadband characterization of dielectric material parameters
Panzner, Berthold; Jöstingmeier, Andreas; Omar, Abbas
In: 9th International Multi-Conference on Systems, Signals and Devices (SSD), 2012 - Piscataway, NJ: IEEE . - 2012, insges. 6 S.Kongress: International Multi-Conference on Systems, Signals and Devices (SSD) 9 (Chemnitz : 2012.03.20-23)
A novel multimodal waveguide technique for the broadband characterization of dielectric material parameters
Panzner, Berthold; Jöszingmeier, Andreas; Omar, Abbas
In: 42nd European Microwave Conference 2012 . - 2012, S. 647-650Kongress: EuMC 42 (Amsterdam : 2012.10.29-11.01)
Begutachteter Zeitschriftenartikel
Compact microstrip low-pass filter design with ultra-wide reject band using a novel quarter-circle DGS shape
Challal, Mouloud; Boutejdar, Ahmed; Dehmas, M.; Azrar, Arab; Omar, Abbas
In: Applied Computational Electromagnetics Society journal/ Applied Computational Electromagnetics Society - Monterey, Calif., Bd. 27 (2012), 10
Design of planar/coplanar compact bBand-stop filter using SGS resonators and multi-interdigital capacitors
Boutejdar, Ahmed; Boutejdar, Sonja; Omar, Abbas; Burte, Edmund
In: Recent patents on electrical & electronic engineering - Sharjah: Bentham Science, Bd. 5 (2012), 3
Artikel in Kongressband
Design, Entwicklung und Realisierung des DMS-DGS-Mikrostreifen-Filters
Boutejdar, Ahmed; Omar, Abbas
In: RADCOM 2012 - Gerotron Communication . - 2012, insges. 21 S.Kongress: RADCOM (Hamburg : 2012.03.27-28)
2011
Buchbeitrag
Unmanned aerial vehicle micro platform for airborne radar applications
Panzner, Berthold; Jostingmeier, Andreas; Omar, Abbas
In: Proceedings: Leipzig, Germany, September 7 - 9, 2011 / organized by Hamburg University of Technology (TUHH); German Institute of Navigation (DGON). Chairman: Hermann Rohling: Leipzig, Germany, September 7 - 9, 2011/ International Radar Symposium - [Bonn]: DGON, 2011 . - 2011, S. 501-506Kongress: IRS (Hamburg : 2011.09.07-09)
Impulse radar subsampling for imaging of subsurface objects
Panzer, Berthold; Jöstingmeier, Andreas; Omar, Abbas
In: 2011 6th International Workshop on Advanced Ground Penetrating Radar (IWAGPR) - Piscataway, NJ: IEEE, 2011 . - 2011, insges. 4 S.Kongress: IWAGPR 6 (Aachen : 2011.06.22-24)
Artikel in Kongressband
A new technique to transform a fractal low-pass to band-pass filter using a simple combination of defected ground structure (DGS) and gap capacitive
Boutejdar, Ahmed; Omar, Abbas; Winkler, Dennis; Burte, Edmund; Mikuta, Reinhard.; Batmanov, Anatoliy
In: RADCOM 2011 - Gerotron Communication, 2011 . - 2011, insges. 22 S.Kongress: RADCOM (Hamburg : 2011.04.06-07)
Improvement of compactness of planar/coplanar band-stop filter using Double-Plane Superposition (DPS) and Multi-Interdigital Capacitors (MIDC)
Boutejdar, Ahmed; Winkler, Dennis; Omar, Abbas
In: Radio TecC - Transmit & Test Solutions 2011 - Martinsried: Gerotron Communication, 2011 . - 2011, insges. 15 S.Kongress: Radio TecC - Transmit & Test Solutions (Berlin, Adlershof : 2011.10.26-27)
Improvement of quasi-elliptic DGS band-pass filter using multilayer-technique and coupling matrix method
Boutejdar, Ahmed; Omar, Abbas; Burte, Edmund; Winkler, Dennis
In: RADCOM 2011 - Gerotron Communication, 2011 . - 2011, insges. 42 S.Kongress: RADCOM (Hamburg : 2011.04.06-07)
Investigation of the Losses, which cause Deviations between the Simulated and Measured Responses of Slotted Defected Ground Structure (SGS) and the Method of their Compensation
Boutejdar, Ahmed; Omar, Abbas
In: Radio TecC - Transmit & Test Solutions 2011 - Martinsried: Gerotron Communication, 2011 . - 2011, insges. 18 S.Kongress: Radio TecC - Transmit & Test Solutions (Berlin, Adlershof : 2011.10.26-27)
A new design of a tunable WLAN-band pass filter using a combination of varactor device, RF-choke and hairpin-defected ground structure
Boutejdar, Ahmed; Omar, Abbas; Senst, Michael; Burte, Edmund P.; Batmanov, Anatoliy; Mikuta, Reinhard
In: Hochfrequenztechnik, Komponenten, Module und EMV, Medizintechnik und drahtlose Gesundheitsassistenzsysteme - Gerotron Communication, 2011 . - 2011, insges. 23 S.Kongress: EEEfCOM 2011 (Ulm : 2011.05.25-26)
Originalartikel in begutachteter internationaler Zeitschrift
Synthetic aperture radar focusing techniques for ground penetrating radar imaging
Panzner, Berthold; Jöstingmeier, Andreas; Omar, Abbas
In: ISAST transactions on computers and intelligent systems / International Society for Advanced Science and Technology - [S.l.]: Jyväskylä Univ. Press, 2009, Bd. 1.2011, 3, S. 39-45
Design of novel 4-GHz bandpass filter using a combination of defected ground structure resonators and admittance J-inverter
Boutejdar, Ahmed; Eltabit, Nuri M.; Burte, Edmund P.; Omar, Abbas; Parui, Susanta K.
In: Recent patents on electrical engineering - Sharjah: Bentham Science, 2008, Bd. 4.2011, 1, S. 42-49
An improvement of defected ground structure lowpass/bandpass filters using H-slot resonators and coupling matrix method
Boutejdar, Ahmed; Omar, Abbas; Burte, Edmund P.; Mikuta, Reinhard
In: Journal of microwaves, optoelectronics and electromagnetic application - São Caetano do Sul, 2008, Bd. 10.2011, 2, S. 295-307
Design of compact ultra-wide stopband lowpass filter using a U-Slotted Ground Structure (SGS) and multilayer-technique
Boutejdar, Ahmed; Omar, Abbas; Burte, Edmund P.; Mikuta, Reinhard
In: Recent patents on electrical engineering - Sharjah: Bentham Science, 2008, Bd. 4.2011, 2, S. 139-144
Small-sized quasi-elliptic parallel coupled band pass filter using microstrip discontinuity corrections and multilayer-technique
Boutejdar, Ahmed; Burte, Edmund P.; Omar, Abbas
In: Microwave and optical technology letters. - New York, NY [u.a.] : Wiley, Bd. 53.2011, 10, S. 2433-2438
DGS and multilayer methods make LPF
Boutejdar, Ahmed; Omar, Abbas; Burte, Edmund P.; Mikuta, Reinhard; Batmanov, Anatoliy
In: Microwaves & RF - Cleveland, Ohio: Penton, 1982 . - 2011, 3, S. 61-68
Radar signatures of complex buried objects in ground penetrating radar
Panzner, Berthold; Jöstingmeier, Andreas; Omar, Abbas
In: International journal of electronics and telecommunications ; JET ; quarterly of Polish Academy of Sciences. - Warsaw : Polish Acad. of Sciences, Committee of Electronics and Telecommunications, Bd. 57.2011, 1, S. 9-14
A new logarithmic method to minimize the size of low-pass filter using multilayer and defected ground structure technique
Boutejdar, Ahmed; Omar, Abbas; Burte, Edmund; Batmanov, Anatoliy; Mikuta, Reinhard
In: Microwave and optical technology letters - New York, NY [u.a.]: Wiley, 1988, Bd. 53.2011, 11, S. 2561-2566
2010
Buchbeitrag
Evaluation of SAR focusing methods for ground penetrating radar
Panzner, Berthold; Jöstingmeier, Andreas; Omar, Abbas
In: Electronic proceedings - Berlin [u.a.]: VDE-Verl., 2010 . - 2010, S. 700-703Kongress: EUSAR 2010 (Aachen : 2010.06.07-10)[Beitrag auf CD-ROM]
New coplanar low-pass defected ground structure (DGS) filter
Batmanov, Anatoliy; Boutejdar, Ahmed; Balalem, Atallah; Omar, Abbas; Burte, Edmund P.
In: Ultra-wideband, short-pulse electromagnetics 9 / ed. by Frank Sabath ... - New York, NY [u.a.]: Springer, 2010 . - 2010, S. 175-184Kongress: Conference on Ultra-Wideband Short-Pulse Electromagnetics 9 (Lusanne : 2008.07.21-25)
A compact double-ridged horn antenna for ground penetrating radar applications
Panzner, Berthold; Jöstingmeier, Andreas; Omar, Abbas
In: MIKON 2010 - 18th International Conference on Microwave, Radar and Wireless Communications ; Vilnius, Lithuania, 14 - 16 June 2010 ; [part of 4th Microwave and Radar Week (MRW-2010)] / [co-sponsored by] IEEE. Ed.: B. Levitas - Piscataway, NJ: IEEE, 2010; Levitas, Borisas . - 2010, insges. 4 S.Kongress: MIKON 18 (Vilnius : 2010.06.14-16)
A miniature 3.1 GHz microstrip bandpass filter with suppression of spurious harmonics using multilayer technique and defected ground structure open-loop ring
Boutejdar, Ahmed; Batmanov, Anatoliy; Omar, Abbas; Burte, Edmund P.
In: Ultra-wideband, short-pulse electromagnetics 9 / ed. by Frank Sabath ... - New York, NY [u.a.]: Springer, 2010 . - 2010, S. 191-200Kongress: Conference on Ultra-Wideband Short-Pulse Electromagnetics 9 (Lusanne : 2008.07.21-25)
Optimal geometry and capacitors distribution of 7T MRI surface coils
Hassan, Ahmed; Elabyad, Ibrahim; Mallow, Johannes; Herrmann, Tim; Bernarding, Johannes; Omar, Abbas
In: 2010 European Microwave Conference (EuMC 2010) ; 3 - Piscataway, NJ: IEEE, 2010; 3 . - 2010, S. 1437-1440Kongress: EuMC 40 (Paris : 2010.09.28-30)
Estimation of soil electromagnetic parameters using frequency domain techniques
Panzner, Berthold; Jöstingmeier, Andreas; Omar, Abbas
In: 2010 13th International Conference on Ground Penetrating Radar: GPR 2010 ; Lecce, Italy, 21 - 25 June 2010 / ed.: Lorenzo Crocco ...: GPR 2010 ; Lecce, Italy, 21 - 25 June 2010 - Piscataway, NJ: IEEE, 2010; Crocco, Lorenzo . - 2010, insges. 5 S.Kongress: GPR 13 (Lecce : 2010.06.21-25)
Dissertation
Analysis, design, optimization and realization of compact high performance printed RF filters
Balalem, Atallah; Omar, Abbas; Leone, Marco
In: Magdeburg, Univ., Fak. für Elektrotechnik und Informationstechnik, Diss., 2010, XIV, 129 S., graph. Darst., 21 cm
Artikel in Kongressband
Use of super resolution algorithms for indoor positioning keeping novel designed WLAN signal structure
Khanzada, Tariq lamil Saifullah; Ali, Ali Ramadan M.; Napoleon, Sameh A.; Omar, Abbas
In: IWDE 2010 - proceedings of the 1st International Workshop on Digital Engineering ; Otto-von-Guericke-Universität Magdeburg: proceedings of the 1st International Workshop on Digital Engineering ; Otto-von-Guericke-Universität Magdeburg - Magdeburg: Univ., 2010 . - 2010, S. 59-63Kongress: IWDE 2010 - proceedings of the 1st International Workshop on Digital Engineering ; Otto-von-Guericke-Universität Magdeburg 1 (Magdeburg : 2010.06.14)
Travelling wave approach for high field magnetic resonance imaging
Elabyad, Ibrahim Ali; Herrmann, Tim; Mallow, Johannes; Bernarding, Johannes; Omar, Abbas
In: ISABEL 2010 - Rome, 2010 . - 2010, insges. 5 S.Kongress: ISABEL 3 (Rome : 2010.11.07-10)[Beitrag auf USB-Stick]
Entwurf, Optimierung und Vermessung eines Lowpass-Filters mittels oktagonalen Ring-DGS-Resonatoren und Interdigital Kapazität
Boutejdar, Ahmed; Burte, Edmund P.; Omar, Abbas
In: Hochfrequenztechnik, Komponenten, Module und EMV - Gerotron Communication, 2010 . - 2010, insges. 43 S.Kongress: EEEfCOM 2010 (Ulm : 2010.06.16-17)
Design, Optimierung und Herstellung von kompakten HF-Mikrostreifen-Filtern mittels "Defected Ground Structure" DGS-Technik und Kopplungsmatrixmethode
Boutejdar, Ahmed; Winkler, Dennis A.; Burte, Edmund P.; Omar, Abbas
In: Hochfrequenztechnik, Komponenten, Module und EMV - Gerotron Communication, 2010 . - 2010, insges. 42 S.Kongress: EEEfCOM 2010 (Ulm : 2010.06.16-17)
Originalartikel in begutachteter internationaler Zeitschrift
A novel compact J-admittance inverter-coupled microstrip bandpass filter using arrowhead-shape as defected ground structure
Boutejdar, Ahmed; Amari, Smain; Omar, Abbas
In: Microwave and optical technology letters - New York, NY [u.a.]: Wiley, 1988, Bd. 52.2010, 1, S. 34-38
Miniaturized band-stop filter based on multilayer-technique and new coupled octagonal defected ground structure with interdigital capacitor
Boutejdar, Ahmed; Abdel-Rahman, A.; Batmanov, Anatoliy; Burte, Edmund P.; Omar, Abbas
In: Microwave and optical technology letters - New York, NY [u.a.]: Wiley, 1988, Bd. 52.2010, 3, S. 510-514
Design of a new bandpass filter with sharp transition band using multilayer-technique and U-defected ground structure
Boutejdar, Ahmed; Batmanov, Anatoliy; Awida, M. H.; Burte, Edmund P.; Omar, Abbas
In: IET microwaves, antennas & propagation / publ. by the Institution of Engineering and Technology/ Institution of Engineering and Technology - London: IET, 2007, Bd. 4.2010, 9, S. 1415-1420
New low-pass filter design by using compensated microstrip capacitor and coupled meander defected ground structure (DGS)
Boutejdar, Ahmed; Omar, Abbas
In: Recent patents on electrical engineering - Sharjah: Bentham Science, 2008, Bd. 3.2010, 1, S. 30-34
Design of compact coplanar bandstop filter composed on open-loop-ring resonator and defected ground structure (DGS)
Batmanov, Anatoliy; Boutejdar, Ahmed; Omar, Abbas; Burte, Edmund P.
In: Microwave and optical technology letters - New York, NY [u.a.]: Wiley, 1988, Bd. 52.2010, 2, S. 478 - 483
Miniaturized lowpass and bandstop filters using controlled coupling of open-loop-ring defected ground structure
Boutejdar, Ahmed; Omar, Abbas
In: Microwave and optical technology letters - New York, NY [u.a.]: Wiley, 1988, Bd. 52.2010, 11, S. 2575-2578
Originalartikel in begutachteter zeitschriftenartiger Reihe
Radar signatures of complex buried objects in ground penetrating radar
Panzner, Berthold; Jöstingmeier, Andreas; Omar, Abbas
In: 2010 11th International Radar Symposium (IRS 2010) , 2010 - Piscataway, NJ : IEEE , 2010 ; Levitas, Borisas, insges. 4 S. Kongress: IRS 11 Vilnius 2010.06.16-18
2009
Buchbeitrag
A new compact lowpass filter using two coupled half-circle DGS resonators and coupling matrix-method
Boutejdar, Ahmed; Omar, Abbas
In: 2009 IEEE Sarnoff Symposium - Piscataway, NJ: IEEE . - 2009, insges. 4 S.Kongress: IEEE Sarnoff Symposium (Princeton, NJ : 2009.03.30-04.01)
Adaptive symbol length for OFDM systems in doubly selective channels
Ali, Ali Ramadan M.; Alsaih, Ali; Khanzada, Tariq Jamil; Machac, Jan; Omar, Abbas
In: Asia-Pacific Microwave Conference, 2009 - Piscataway, NJ: IEEE . - 2009, S. 1541-1544Kongress: APMC (Singapore : 2009.12.07-10)
A compact band-stop/band-pass filter using a narrow gap capacitive as j-inverter and new octagonal defected groun structure (DGS)
Boutejdar, Achmed; Batmanov, Anatoliy; Omar, Abbas Sayed
In: EuCAP <3, 2009, Berlin> : EuCAP 2009 . - Berlin [u.a.] : VDE-Verl., ISBN 978-3-8007-3152-7, insges. 4 S.Kongress: EuCAP 2009; 3 (Berlin) : 2009.03.23-27
Size-reduction and improvement reject band of lowpass filter structure by using a new meander Defected Ground Structure (DGS) as resonator
Boutejdar, Ahmed; Omar, Abbas
In: 2009 IEEE Sarnoff Symposium - Piscataway, NJ: IEEE . - 2009, insges. 4 S.Kongress: IEEE Sarnoff Symposium (Princeton, NJ : 2009.03.30-04.01)
Artikel in Kongressband
Lowpass-to-bandpass transformation using J-inverter and defected ground structure (DGS)-technique
Boutejdar, Ahmed; Omar, Abbas
In: International Workshop on Microwave Filters ; 16 - 18 November 2009, CNES, Toulouse, France - Toulouse . - 2009, insges. 4 S.Kongress: International Workshop on Microwave Filters (Toulouse : 2009.11.16-18)
Design of compact low-pass filters using cascaded arrowhead DGS slots for microstrip line and CPW applications
Batmanov, Anatoliy; Boutejdar, Ahmed; Omar, Abbas; Burte, Edmund
In: International Workshop on Microwave Filters ; 16 - 18 November 2009, CNES, Toulouse, France - Toulouse . - 2009, insges. 4 S.Kongress: International Workshop on Microwave Filters (Toulouse : 2009.11.16-18)
Originalartikel in begutachteter internationaler Zeitschrift
Improvement of compactness of low pass and band pass filter using a simple combination of cross-defected ground structure and a discontinuous microstrip line
Boutejdar, Ahmed; Omar, Abbas
In: Microwave and optical technology letters . - New York, NY [u.a.] : Wiley, Bd. 51.2009, 5, S. 1191-1195
ICI cancellation for OFDM systems in rapidly time-variant channels
Ali, Ali Ramadan M.; Khanzada, Tariq Jamil; Omar, Abbas
In: IEICE transactions / E / B/ Denshi Jōhō Tsūshin Gakkai - Tokyo: IEICE, E93.2009, 4, S. 1388-1391
A miniature 5.2-GHz bandstop microstrip filter using multilayer-technique and coupled octagonal defected ground structure
Boutejdar, Ahmed; Omar, Abbas
In: Microwave and optical technology letters . - New York, NY [u.a.] : Wiley, Bd. 51.2009, 12, S. 2810-2813
Originalartikel in begutachteter zeitschriftenartiger Reihe
Quasi-fractal periodic defected ground structure for CPW lines
Batmanov, Anatoliy; Burte, Edmund P.; Boutejdar, Ahmed; Omar, Abbas Sayed
In: GeMiC <2009, München> : German Microwave Conference . - Berlin [u.a.] : VDE-Verl., ISBN 978-3-8007-3150-3, insges. 3 S.; ITG-Fachbericht; 213Kongress: GeMiC 2009; (München) : 2009.03.16-18
Design of compact low-pass filter with with wide rejection band using cascaded arrowhead-dgs and multilayer-techni
Boutejdar, Ahmed; Omar, Abbas Sayed; Batmanov, Anatoliy; Burte, Edmund P.
In: GeMiC <2009, München> : German Microwave Conference . - Berlin [u.a.] : VDE-Verl., ISBN 978-3-8007-3150-3, insges. 4 S.; ITG-Fachbericht; 213Kongress: GeMiC 2009; (München) : 2009.03.16-18
A design and chronological survey of decision feedback equalizer for single carrier transmission compared with OFDM
Khanzada, Tariq Jamil Saifullah; Ali, Ali Ramadan M.; Rajput, Abdul Qadir Khan; Omar, Abbas Sayed
In: Wireless Networks, Information Processing and Systems - Berlin, Heidelberg: Springer Berlin Heidelberg, 2009 . - 2009, S. 378-390 - (Communications in Computer and Information Science; 20)Kongress: IMTIC '08 (Jamshoro, Pakistan : 2008.04.11-12)
New low-pass filter design using compensated microstrip capacitor and coupled meander defected ground structure (DGS)
Boutejdar, Ahmed; Omar, Abbas Sayed; Batmanov, Anatoliy; Burte, Edmund P.
In: GeMiC <2009, München> : German Microwave Conference . - Berlin [u.a.] : VDE-Verl., ISBN 978-3-8007-3150-3, insges. 4 S.; ITG-Fachbericht; 213Kongress: GeMiC 2009; (München) : 2009.03.16-18
A novel multimodal technique for the unique and simultaneous determination of material permittivity and permeability
Anis, Michael; Jöstingmeier, Andreas; Panzner, Berthold; Omar, Abbas
In: European Microwave Week 2009 - London: Horizon House, 2009 . - 2009, S. 1037-1040Kongress: EuMW 12 (Roma : 2009.09.28-10.02)
Realization of a microstrip triple-mode bandpass filter using a square-loop resonator
Balalem, Atallah; Ali, Ali Ramadan M.; Amari, Smain; Omar, Abbas
In: 2009 IEEE MTT-S International Microwave Symposium digest - Piscataway, NJ: IEEE Service Center, 2009 . - 2009, S. 849-852Kongress: IEEE MTT-S International Microwave Symposium (Boston : 2009.06.07-12)
A numerically robust method for determination of dielectric material parameters
Panzner, Berthold; Anis, Michael; Jöstingmeier, Andreas; Omar, Abbas
In: European Microwave Week 2009 - London: Horizon House, 2009 . - 2009, S. 1599-1602Kongress: EuMW 12 (Roma : 2009.09.28-10.02)
2008
Buchbeitrag
A new compact tunable bandpass filter using defected ground structure with active devices
Boutejdar, Ahmed; Batmanov, Anatoliy; Elsherbini, A.; Burte, Edmund P.; Omar, Abbas Sayed
In: IEEE Antennas and Propagation Society International Symposium, 2008, AP-S 2008 . - IEEE Operations Center, ISBN 978-1-424-42041-4, insges. 4 S.Kongress: APS 2008; (San Diego) : 2008.07.05-11
A study of variable channel length for single carrier transmission with decision feedback equalizer
Khanzada, Tariq J. S.; Ali, Ali Ramadan M.; Omar, Abbas
In: IEEE Radio and Wireless Symposium, 2008 - Piscataway, NJ: IEEE Service Center . - 2008, S. 267-270Kongress: RWS (Orlando, Fla. : 2008.01.22-24)
Adaptive pilot distribution for OFDM systems in time-variant channels
Ali, Ali Ramadan M.; Balalem, Atallah; Khanzada, Tariq; Machac, Jan; Omar, Abbas
In: Asia-Pacific Microwave Conference, 2008: APMC 2008 ; 16 - 20 Dec. 2008, Hong Kong and Macau - Piscataway, NJ: IEEE . - 2008, insges. 4 S.Kongress: APMC 20 (Hong Kong; Macau : 2008.12.16-20)
Design of compact microstrip lowpass filters using coupled half-circle defected ground structures (DGSs)
Boutejdar, Ahmed; Sherbini, A.; Ali, W.; Fouad, S.; Ahmed, L.; Omar, Abbas
In: IEEE Antennas and Propagation Society International Symposium, 2008, AP-S 2008 . - IEEE Operations Center, ISBN 978-1-424-42041-4, insges. 4 S.Kongress: APS 2008; (San Diego) : 2008.07.05-11
Adaptive channel characterization for wireless communication
Omar, Abbas; Ali, Ali Ramadan M.
In: IEEE Radio and Wireless Symposium, 2008: RWS '08 ; 22 - 24 Jan. 2008, Orlando, Florida ; incorporating WAMICON, Wireless and Microwave Technology Conference ; [part of the] Third Radio Wireless Week, RWW - Piscataway, NJ: IEEE Service Center . - 2008, S. 543-546Kongress: RWS (Orlando, Fla. : 2008.01.22-24)
The effect of coding on OFDM and single carrier transmission with decision feedback equalizer
Khanzada, Tariq J. S.; Ali, Ali Ramadan M.; Omar, Abbas
In: 6th Annual Communication Networks and Services Research Conference, 2008 - Los Alamitos, Calif. [u.a.]: IEEE Computer Society . - 2008, S. 59-63Kongress: CNSR 6 (Halifax : 2008.05.05-08)
Design of compact low-pass filter with wide rejection band using cascaded qrrowhead-DGS and Multilayer-technique
Boutejdar, Ahmed; Verma, A. K.; Elsherbini, A.; Omar, Abbas
In: 2008 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting . - Piscataway : IEEE, ISBN 978-1-424-42042-1, insges. 4 S.Kongress: IEEE AP-S International Symposium; (San Diego) : 2008.07.05-12USNC/URSI National Radio Science Meeting; (San Diego) : 2008.07.05-12
K a-band dielectric lens antenna for resolution enhancement of a GPR
Panzner, Berthold; Jöstingmeier, Andreas; Omar, Abbas
In: The 8th International Symposium on Antennas, Propagation and EM Theorie, ISAPE 2008 . - IEEE, ISBN 978-1-424-42193-0, S. 55-58Kongress: ISAPE 2008; 8 (Kunming) : 2008.11.02-05
Doppler spread estimation for OFDM systems using Newton polynomials
Ali, Ali Ramadan M.; Balalem, Atallah; Khanzada, Tariq; Machac, Jan; Omar, Abbas Sayed
In: 18th International Conference Radioelektronika 2008: 24 - 25 April 2008, Prague, Olympik-Artemis Conference Center, Czech Republic ; [part of] the Czech and Slovak Microwave and Radioelectronics Week 2008 - Piscataway, NJ: IEEE . - 2008, insges. 4 S.Kongress: International Conference Radioelektronika 18 (Prague : 2008.04.24-25)
Inverted defected ground structure for microstrip line filters reducing packaging complexity
Balalem, Atallah; Machac, Jan; Omar, Abbas
In: Asia-Pacific Microwave Conference, 2008 - Piscataway, NJ: IEEE . - 2008, insges. 4 S.Kongress: APMC 20 (Hong Kong; Macau : 2008.12.16-20)
A new compact tunable bandpass filter using defected ground structure with active devices
Boutejdar, Ahmed; Batmanov, Anatoliy; Burte, Edmund P.; Omar, Abbas Sayed
In: 2008 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting: July 5-12, 2008, San Diego, CA - Piscataway: IEEE . - 2008, insges. 4 S.Kongress: IEEE AP-S International Symposium (San Diego : 2008.07.05-12)
Miniaturized coplanar bandpass/bandstop filter using meander serpentine shape shunt/open-stubs
Batmanov, Anatoliy; Boutejdar, Ahmed; Omar, Abbas Sayed; Burte, Edmund P.
In: Proceedings of the 38th European Microwave Conference, EuMC as part of the European Microwave Week, EuMW 2008 . - EuMA, ISBN 978-2-87487-006-4, S. 222-225Kongress: EuMC; 38 (Amsterdam) : 2008.10.27-31[EuMC as part of the European Microwave Week, EuMW 2008]
Application of a SAR procedure for the determination of dielectric constants in free space
Anis, Michael; Jöstingmeier, Andreas; Omar, Abbas
In: IEEE Antennas and Propagation Society International Symposium, 2008, AP-S 2008 . - IEEE Operations Center, ISBN 978-1-424-42041-4, insges. 4 S.Kongress: APS 2008; (San Diego) : 2008.07.05-11
Design of compact low-pass filter using cascaded arrowhead-DGS and multilayer-technique
Boutejdar, Ahmed; Batmanov, Anatoliy; Omar, Abbas; Burte, Edmund
In: Asia-Pacific Microwave Conference, 2008 - Piscataway, NJ: IEEE . - 2008, insges. 4 S.Kongress: APMC 20 (Hong Kong; Macau : 2008.12.16-20)
A simple method to control the reject band of microstrip low pass filter using a new multi-ring defected ground structures (DGS)
Boutejdar, Ahmed; Batmanov, Anatoliy; Elsherbini, A.; Omar, Abbas Sayed; Burte, Edmund P.
In: IEEE Antennas and Propagation Society International Symposium, 2008, AP-S 2008 . - IEEE Operations Center, ISBN 978-1-424-42041-4, insges. 4 S.Kongress: APS 2008; (San Diego) : 2008.07.05-11
A new method to improve the rejectband of a 5.6 GHz bandstop filter using [Lambda]/2 open-loop ring microstrip resonators
Boutejdar, Ahmed; Batmanov, Anatoliy; Burte, Edmund; Omar, Abbas
In: Asia-Pacific Microwave Conference, 2008 - Piscataway, NJ: IEEE . - 2008, insges. 4 S.Kongress: APMC 20 (Hong Kong; Macau : 2008.12.16-20)
Miniaturized microstrip lowpass filter with wide stopband using suspended layers and defected ground structure (DGS)
Boutejdar, Ahmed; Machác, Jan; Haiwen, Liu; Omar, Abbas
In: Proceedings of the 14th Conference on Microwave Techniques . - IEEE, ISBN 978-1-424-42138-1, insges. 4 S., 2008Kongress: COMITE 2008; 14 (Prague) : 2008.04.23-24
Channel estimation for OFDM systems in rapidly time-variant channels using high degree channel approximation
Ali, Ali Ramadan M.; Khanzada, Tariq Jamil; Omar, Abbas Sayed
In: Proceedings: 12 - 14 October 2008, Avignon, France ; [including workshop papers] / IEEE Computer Society: 12 - 14 October 2008, Avignon, France ; [including workshop papers] - Los Alamitos, Calif. [u.a.]: IEEE Computer Society . - 2008, S. 346-348Kongress: WiMob 4 (Avignon : 2008.10.12-14)
Time difference of arrival estimation using super resolution algorithms to minimize distance measurement error for indoor positioning systems
Khanzada, Tariq J. S.; Ali, Ali Ramadan M.; Omar, Abbas
In: 2008 International Multitopic Conference: (INMIC) ; Karachi, Pakistan, 23 - 24 December 2008 / IEEE. [Ed.: Muhammad Khalid Anis ...]: (INMIC) ; Karachi, Pakistan, 23 - 24 December 2008 - Piscataway, NJ: IEEE; Anis, Muhammad Khalid . - 2008, insges. 5 S.Kongress: INMIC 12 (Karachi : 2008.12.23-24)
2d quasi-fractal periodic defected ground structure for coplanar waveguide
Batmanov, Anatoliy; Boutejdar, Ahmed; Omar, Abbas; Burte, Edmund P.
In: 2008 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting . - Piscataway : IEEE, ISBN 978-1-424-42042-1, insges. 4 S.Kongress: IEEE AP-S International Symposium; (San Diego) : 2008.07.05-12USNC/URSI National Radio Science Meeting; (San Diego) : 2008.07.05-12
Compact band-stop filter using an interdigital DGS structure
Balalem, Atallah; Ali, Ali Ramadan M.; Machac, Jan; Omar, Abbas
In: Proceedings of the 18th International Conference Radioelektronika 2008. Praha, 24 - 25 dubna 2008 - Praha: Československá sekce IEEE . - 2008, insges. 3 S.Kongress: International Conference Radioelektronika 2008 18 (Prague : 2008.04.24-25)
Design of compact microstrip lowpass filters using coupled half-circle defected ground structures (DGSs)
Boutejdar, Ahmed; Sherbini, A.; Ali, W.; Fouad, S.; Ahmed, L.; Omar, Abbas Sayed
In: 2008 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting. - Piscataway : IEEE, insges. 4 S.Kongress: IEEE AP-S International Symposium; (San Diego) : 2008.07.05-12USNC/URSI National Radio Science Meeting; (San Diego) : 2008.07.05-12[Beitrag auf CD-ROM]
A simple method to control the reject band of microstrip low pass filter using a new multi-ring defected ground structures (DGS)
Boutejdar, Ahmed; Batmanov, Anatoliy; Omar, Abbas Sayed; Burte, Edmund P.
In: 2008 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting. - Piscataway : IEEE, insges. 4 S.Kongress: IEEE AP-S International Symposium; (San Diego) : 2008.07.05-12USNC/URSI National Radio Science Meeting; (San Diego) : 2008.07.05-12[Beitrag auf CD-ROM]
New compact coplanar bandpass filter composed of serpentine shape shunt-stubs
Batmanov, Anatoliy; Boutejdar, Ahmed; Machác, J.; Omar, Abbas; Burte, Edmund P.
In: Proceedings of the 14th Conference on Microwave Techniques . - IEEE, ISBN 978-1-424-42138-1, insges. 4 S., 2008Kongress: COMITE 2008; 14 (Prague) : 2008.04.23-24
A new transformation of bandpass filter to bandstop filter using multilayer-technique and u-defected ground structure (DGS)
Boutejdar, Ahmed; Batmanov, Anatoliy; Machác, J.; Burte, Edmund P.; Omar, Abbas
In: Proceedings of the 14th Conference on Microwave Techniques . - IEEE, ISBN 978-1-424-42138-1, insges. 4 S., 2008Kongress: COMITE 2008; 14 (Prague) : 2008.04.23-24
Adaptive guard interval length for OFDM-based WLAN systems in frequency selective channels
Ali, Ali Ramadan M.; Khanzada, Tariq Jamil; Omar, Abbas Sayed
In: Proceedings of the 1st European Wireless Technology Conference, EuWIT: 28.-29. October 2008, Amsterdam, The Netherlands ; [part of] the European Microwave Week, EuMW 2008 - EuMA . - 2008, S. 115-118Kongress: EuWIT 1 (Amsterdam : 2008.10.28-29)
Artikel in Kongressband
Transformation of low-pass filter using a simple gap-capactivie and a new meander defected ground structure (DGS)
Boutejdar, Ahmed; Omar, Abbas
In: Mediterranean Microwave Symposium 2008 . - DamascusKongress: MMS 2008; (Damascus) : 2008.10.14-16
A new compact 2.4GHz bandpass filter using direct coupled defected ground structure (DGS) hairpin-resonators
Boutejdar, Ahmed; Senst, Michael; Khanzada, Tariq; Omar, Abbas
In: Mediterranean Microwave Symposium 2008 . - DamascusKongress: MMS 2008; (Damascus) : 2008.10.14-16
Ka.band ultra-wide-band GPR for landmine detection
Panzner, Berthold; Jöstingmeier, Andreas; Omar, Abbas
In: 12th International Conference on Ground Penetrating Radar, GPR 2008 . - Birmingham, insges. 4 S.Kongress: GPR; 12 (Birmingham) : 2008.06.15-19
Phase-shifting interferometry for RF phase measurement
Will, Karl; Meyer, Tobias; Omar, Abbas
In: International Union of Radio Science : XXIX General Assembly . - Chicago : URSI, insges. 4 S., 2008Kongress: General Assembly; 29 (Chicago, USA) : 2008.08.07-16
ICI cancellation for OFDM systems using lagrange polynomial approximation
Ali, Ali Ramadan M.; Khanzada, Tariq Jamil; Omar, Abbas
In: Proceedings: August 27th - 28th, 2008, Hamburg, Germany/ International OFDM Workshop - Hamburg . - 2008, insges. 4 S.Kongress: InOWo 13 (Hamburg : 2008.08.27-28)
Originalartikel in begutachteter internationaler Zeitschrift
Method for widening the reject-band in low-pass/band-pass filters by employing coupled C-shaped defected ground structure
Boutejdar, Ahmed; Elsherbini, A.; Omar, Abbas
In: Institution of Engineering and Technology : IET microwaves, antennas & propagation . - London : IET, Bd. 2.2008, 8, S. 759-765
Microstrip-CPW bandpass filter for antenna application
Balalem, Atallah; Machac, Jan; Omar, Abbas
In: Microwave and optical technology letters . - New York, NY [u.a.] : Wiley, Bd. 50.2008, 1, S. 51-55
Design of microstrip bandpass and lowpass filters using coupling matrix method and a new hairpin defected ground structure
Boutejdar, Ahmed; Omar, Abbas
In: Microwave and optical technology letters . - New York, NY [u.a.] : Wiley, Bd. 50.2008, 11, S. 2898-2901
Phase measurement of RF devices using phase-shifting interferometry
Will, Karl; Omar, Abbas
In: Institute of Electrical and Electronics Engineers : IEEE transactions on microwave theory and techniques . - New York, NY : IEEE, Bd. 56.2008, 11, S. 2642-2647
Design of a novel ultra-wide stopband lowpass filter using H-defected ground structure
Boutejdar, Ahmed; Elsherbini, Adel; Omar, Abbas
In: Microwave and optical technology letters . - New York, NY [u.a.] : Wiley, Bd. 50.2008, 3, S. 771-775
Dual-band bandpass filter by using square-loop dual-mode resonator
Balalem, Atallah; Machac, Jan; Omar, Abbas
In: Microwave and optical technology letters . - New York, NY [u.a.] : Wiley, Bd. 50.2008, 6, S. 1567-1570
A simple ultra-wideband suspended stripline bandpass filter with very wide stop-band
Balalem, Atallah; Menzel, Wolfgang; Machac, Jan; Omar, Abbas
In: Institute of Electrical and Electronics Engineers : IEEE microwave and wireless components letters . - New York, NY : Inst., Bd. 18.2008, 3, S. 170-172
Design of compact stop-band extended microstrip low-pass filters by employing mutual-coupled square-shaped defected ground structures
Boutejdar, Ahmed; Makkey, M.; Elsherbini, Adel; Omar, Abbas
In: Microwave and optical technology letters . - New York, NY [u.a.] : Wiley, Bd. 50.2008, 4, S. 1107-111
Low-loss doubly metallized CPW low-pass filter with additional transmission zeroes
Balalem, Atallah; Machac, Jan; Kim-Fai, Wong; Omar, Abbas
In: Microwave and optical technology letters . - New York, NY [u.a.] : Wiley, Bd. 50.2008, 5, S. 1431-1433
Originalartikel in begutachteter zeitschriftenartiger Reihe
Improvement of compactness of low pass and band pass filters using a simple combination of cross-defected ground structure
Boutejdar, Ahmed; Elsherbini, A.; Omar, Abbas
In: GeMiC <2008, Hamburg> : GeMiC 2008 . - Berlin [u.a.] : VDE-Verl., ISBN 3-8007-3086-3, S. 421-424; ITG-Fachbericht; 206Kongress: GeMiC 2008; (Hamburg-Harburg) : 2008.03.10-12
Low-cost high-resolution handheld VNA using RF interferometry
Will, Karl; Meyer, Tobias; Omar, Abbas
In: 2008 IEEE MTT-S International Microwave Symposium digest . - Piscataway, NJ : IEEE Service Center, ISBN 978-1-424-41781-0, insges. 4 S.Kongress: IEEE MTT-S International Microwave Symposium; (Atlanta, Ga.) : 2008.06.15-20
Design of novel hairpin-DGS microstrip bandpass and lowpass filters using coupling matrix method
Boutejdar, Ahmed; Elsherbini, A.; Omar, Abbas
In: GeMiC <2008, Hamburg> : GeMiC 2008 . - Berlin [u.a.] : VDE-Verl., ISBN 3-8007-3086-3, S. 416-420; ITG-Fachbericht; 206Kongress: GeMiC 2008; (Hamburg-Harburg) : 2008.03.10-12
2007
Buchbeitrag
Phase measurement of microwave devices with amplitude independent ultra-fine resolution
Will, Karl; Meyer, Tobias; Omar, Abbas Sayed
In: Proceedings of the 37th European Microwave Conference, EuMC as part of the European Microwave Week, EuMW 2007 - London: Horizon House Publ. Ltd . - 2007, insges. 4 S.Kongress: EuMC 37 (Munich, Germany : 2007.10.08-12)
Analysis of a compact ultra-wideband antenna for radio frequency applications
Bandyopadhyay, Ayan K.; Anis, Michael; Jöstingmeier, Andreas; Meyer, Tobias; Omar, Abbas
In: 2007 IEEE Antennas and Propagation Society international symposium . - Piscataway, NJ : IEEE Operations Center, ISBN 1-424-40878-4, S. 1965-1968Kongress: APS 2007; 2007 (Honolulu, Hawaii, USA) : 2007.06.10-15
A novel lowpass filter with ultra-wide stopband and improved Q-factor performance using H-defected ground structure (DGS)
Boutejdar, Ahmed; Amari, S.; Elsherbini, A.; Omar, Abbas
In: 2007 IEEE Antennas and Propagation Society international symposium . - Piscataway, NJ : IEEE Operations Center, ISBN 1-424-40878-4, S. 1545-1548Kongress: APS 2007; 2007 (Honolulu, Hawaii, USA) : 2007.06.10-15
Quasi-lumped filters on doubly metallized planar lines
Balalem, Atallah; Machac, Jan; Omar, Abbas Sayed
In: 2007 17th International Conference Radioelektronika: Brno, Czech Republic, 24 - 25 April 2007 / IEEE - Piscataway, NJ: IEEE Service Center . - 2007, insges. 3 S.Kongress: International Conference Radioelektronika 17 (Brno : 2007.04.24-25)
Introduction of an effective waveguide width in transmission/reflection methods for dielectric measurements
Anis, Michael; Jöstingmeier, Andreas; Omar, Abbas Sayed
In: 2007 IEEE Antennas and Propagation Society international symposium - Piscataway, NJ: IEEE Operations Center . - 2007, S. 281-284Kongress: APS 2007 2007 (Honolulu, Hawaii, USA : 2007.06.10-15)
Design of compact extended-stopband microstrip low-pass filters by employing new mutual-coupling technique for defected ground structures (DGSs)
Boutejdar, Ahmed; Makkey, M.; Elsherbini, A.; Luxor, O.; Omar, Abbas Sayed
In: Proceedings of the 37th European Microwave Conference, EuMC as part of the European Microwave Week, EuMW 2007 - London: Horizon House Publ. Ltd . - 2007, S. 71-74Kongress: EuMC 37 (Munich, Germany : 2007.10.08-12)
Application of a dielectric lens for focusing of a GPR
Teggatz, Alexander; Jöstingmeier, Andreas; Omar, Abbas Sayed
In: 2007 IEEE Antennas and Propagation Society international symposium - Piscataway, NJ: IEEE Operations Center . - 2007, S. 1461-1464Kongress: APS 2007 2007 (Honolulu, Hawaii, USA : 2007.06.10-15)
A new numerical method to improve the stopband of compact lowpass filter employing defected ground structure (DGS)
Boutejdar, Ahmed; Elsherbini, A.; Omar, Abbas Sayed
In: 2007 IEEE Antennas and Propagation Society international symposium - Piscataway, NJ: IEEE Operations Center . - 2007, S. 1553-1556Kongress: APS 2007 2007 (Honolulu, Hawaii, USA : 2007.06.10-15)
Complexity reduction for DRM system using time domain preprocessing
Ali Ramadan, Ali; Omar, Abbas
In: 2007 IEEE Radio and Wireless Symposium . - Piscataway, NJ : IEEE Service Center, ISBN 1-424-40444-4, S. 213-216Kongress: IEEE Radio and Wireless Symposium; (Long Beach, Calif.) : 2007.01.07-12
Microwave synthesizer with multiple phase adjustable output
Will, Karl; Meyer, Tobias; Omar, Abbas Sayed
In: Proceedings of the 37th European Microwave Conference, EuMC as part of the European Microwave Week, EuMW 2007 - London: Horizon House Publ. Ltd . - 2007, insges. 4 S.Kongress: EuMC 37 (Munich, Germany : 2007.10.08-12)
A new extraction method using triangle defected ground structure for the control of S-parameter response of hi-lo microstrip low-pass filter
Boutejdar, Ahmed; Elsherbini, A.; Omar, Abbas Sayed
In: 2007 IEEE Antennas and Propagation Society international symposium - Piscataway, NJ: IEEE Operations Center . - 2007, S. 1549-1552Kongress: APS 2007 2007 (Honolulu, Hawaii, USA : 2007.06.10-15)
A new cross-head defected ground structure (CDGS) for a compact low-pass filter with a wide stop-band
Boutejdar, Ahmed; Elsherbini, A.; Omar, Abbas Sayed
In: Proceedings of the 37th European Microwave Conference, EuMC as part of the European Microwave Week, EuMW 2007 - London: Horizon House Publ. Ltd . - 2007, S. 842-845Kongress: EuMC 37 (Munich, Germany : 2007.10.08-12)
Artikel in Kongressband
A new method to suppress high harmonic of lowpass filter using compensated microstrip line and coupled DGS
Boutejdar, Ahmed; Omar, Abbas
In: 2007 IEEE Sarnoff Symposium . - IEEE, insges. 4 S.Kongress: IEEE Sarnoff Symposium; (Princeton, NJ) : 2007.04.30-05.02
Adaptive pilot distribution for OFDM-based WLAN systems in doubly dispersive channels
Ali Ramadan, Ali; Khanzada, Tariq Jamil Saifullah; Omar, Abbas
In: "A broadband wireless world for all" . - IEEE, insges. 5 S., 2007Kongress: RECOM 2007; (Rome) : 2007.09.30-10.02
A new technique to improve the stopband of miniaturized microstrip low-pass filter by using a cross-head defected ground structure (CDGS)
Boutejdar, Ahmed; Omar, Abbas Sayed
In: 2007 IEEE Sarnoff Symposium: Princeton, NJ, 30 April - 2 May 2007 - Piscataway, NJ: IEEE Service Center . - 2007, insges. 4 S.Kongress: IEEE Sarnoff Symposium (Princeton, NJ : 2007.04.30-05.02)
A versatile 3D field simulation of a GPR setup
Teggatz, Alexander; Jöstingmeier, Andreas; Omar, Abbas Sayed
In: CST European User Group Meeting: proceedings ; 13-14th September 2007, Lake Tegernsee, Germany - CST . - 2007, insges. 1 S.Kongress: CST European User Group Meeting: proceedings ; 13-14th September 2007, Lake Tegernsee, Germany 3 (Lake Tegernsee, Germany : 2007.09.13-14)
Originalartikel in begutachteter internationaler Zeitschrift
Quasi-elliptic microstrip low-pass filters using an interdigital DGS slot
Balalem, Atallah; Ali R., Ali; Machac, Jan; Omar, Abbas Sayed
In: IEEE microwave and wireless components letters: a publication of the IEEE Microwave Theory and Techniques Society/ Institute of Electrical and Electronics Engineers - New York, NY: Inst., Bd. 17 (2007), 8, S. 586-588
Improvement of microstrip low pass filters' characteristics using an optimized number of new multi-ring defected ground structures
Boutejdar, Ahmed; Elsherbini, A.; Haiwen, Liu; Omar, Abbas Sayed
In: Microwave and optical technology letters - New York, NY [u.a.]: Wiley, Bd. 49 (2007), 12, S. 3074-3078
Originalartikel in begutachteter zeitschriftenartiger Reihe
A new technique to double the rejectband of a low-pass filter by employing coupled C-open-loop resonators as defected ground structure (DGS)
Boutejdar, Ahmed; Elsherbini, Adel; Smain, Amari; Omar, Abbas Sayed
In: "Technology convergence - Piscataway NJ: IEEE Service Center, 2007 . - 2007, insges. 4 S.
Design of new DGS hairpain microstrip bandpass filter using coupling matrix method
Boutejdar, Ahmed; Elsherbini, A.; Balalem, Atallah; Machac, J.; Omar, Abbas
In: PIERS 2007 Prague . - Cambridge, Mass. : Electromagnetics Academy, ISBN 978-1-934142-02-8, S. 261-265[PIERS 2007 ; (Prague, Czech Republic) : 2007.08.27-30]
Multi-bandpass filters using multi-armed open loop resonators with direct feed
Awida, Mohamed; Boutejdar, Ahmed; Safwat, Amr; El-Hennawy, Hadia; Omar, Abbas Sayed
In: 2007 IEEE MTT-S International Microwave Symposium digest, Honolulu, Hawaii, June 3 - 8, 2007 - Piscataway, NY: IEEE Operations Center, 2007 . - 2007, S. 913-916
A novel technique for controlling transition steepness and rejection bandwidth in DGS filters
Boutejdar, Ahmed; Elsherbini, Adel; Batmanov, Anatoliy; Omar, Abbas Sayed
In: "Technology convergence - Piscataway NJ: IEEE Service Center, 2007 . - 2007, insges. 4 S.
Control of bandwidth and resonant frequency of a new coplanar bandpass filter
Batmanov, Anatoliy; Spiliotis, Nikolaos; Boutejdar, Ahmed; Burte, Edmund P.; Omar, Abbas Sayed
In: "Technology convergence - Piscataway NJ: IEEE Service Center, 2007 . - 2007, S. 5
New compact MEMS-switch controlled tunable DGS coplanar bandpass filter
Batmanov, Anatoliy; Boutejdar, Ahmed; Burte, Edmund P.; Omar, Abbas Sayed
In: ESSDERC 2007 - ESSCIRC 2007 - Piscataway, NJ: IEEE Service Center, 2007 . - 2007, S. 438-441
A novel technique to transform a fractal LPF to BPF using a simple combination of defected ground structure (DGS) and a narrow gap capacitive
Boutejdar, Ahmed; Elsherbini, Adel; Batmanov, Anatoliy; Omar, Abbas Sayed
In: "Technology convergence - Piscataway NJ: IEEE Service Center, 2007 . - 2007, insges. 4 S.
2006
Buchbeitrag
High resolution WLAN indoor channel parameter estimation and measurements for communication and positioning applications at 2.4, 5.2 and 5.8 GHz
Ali, Ali Assie; Aly, Omar; Omar, Abbas Sayed
In: 2006 IEEE Radio and Wireless Symposium - Piscataway, NJ: IEEE Operations Center . - 2006, S. 279-282Kongress: IEEE Radio and Wireless Symposium (San Diego, Calif. : 2006.01.17-19)
Combined low-pass and bandpass filter response using microstrip dual-mode resonators
Awida, Mohamed; Balalem, Atallah; Safwat, Amr; El-Hennawy, Hadia; Omar, Abbas Sayed
In: 2006 IEEE MTT-S International Microwave Symposium digest/ International Microwave Symposium - [Piscataway, NY]: IEEE . - 2006, S. 701-704Kongress: IEEE MTT-S International Microwave Symposium (San Francisco, Calif. : 2006.06.11-16)
An analytical model for SLTDM to reduce the PAPR and ICI in OFDM systems for fast varying channels
Khanzada, Tariq Jamil Saifullah; Ali Ramadan, Ali; Omar, Abbas Sayed
In: Proceedings 10th International Multitopic Conference 2006, INMIC 2006 - IEEE . - 2006, insges. 6 S.Kongress: INMIC 10 (Islamabad, Pakistan : 2006.12.23-23)
New method for transformation of microstrip lowpass filter to compact bandpass filter using defected ground structures (DGS) coupled resonators
Boutejdar, Ahmed; Elsherbini, Adel; Omar, Abbas Sayed
In: Proceedings of the 36th European Microwave Conference, EuMC - EuMA, European Microwave Ass. . - 2006, S. 279-282Kongress: European Microwave Week (Manchester, UK) (Manchester, UK : 2006.09.10-15)
Bandpass filters on a modified multilayer coplanar line
Balalem, Atallah; Hamad, Ehab Khalaf Ibrahim; Machac, Jan; Omar, Abbas Sayed
In: 2006 IEEE MTT-S International Microwave Symposium digest - [Piscataway, NY]: IEEE . - 2006, S. 531-534Kongress: IEEE MTT-S International Microwave Symposium (San Francisco, Calif. : 2006.06.11-16)
A multistage channel estimation and ICI reduction method for OFDM systems in doubly dispersive channels
Ali, Ramadan Ali; Ali, Ali Assie; Omar, Abbas Sayed
In: 2006 IEEE Radio and Wireless Symposium - Piscataway, NJ: IEEE Operations Center . - 2006, S. 23-26Kongress: IEEE Radio and Wireless Symposium (San Diego, Calif. : 2006.01.17-19)
Increase of characteristic impedance of microstrip line using a simple slot in metallic ground plane
Boutejdar, Ahmed; Arbabi, A.; Mahmoudi, M.; Omar, Abbas Sayed
In: Full regular papers - Hanoi . - 2006, S. 478-481Kongress: International Conference on Communications and Electronic 1 (Hanoi, Vietnam : 2006.10.10-11)
Application of a fast SAR technique for the efficient 3-d focusing in a subsurface radar
Teggatz, Alexander; Jöstingmeier, Andreas; Omar, Abbas Sayed
In: Electronic proceedings/ EUSAR - Berlin: VDE-Verl. . - 2006, insges. 4 S.Kongress: EUSAR 2006 6 (Dresden : 2006.05.16-18)
A compact microstrip multi-layer lowpass filter using triangle slots etched in the ground plane
Boutejdar, Ahmed; Elsherbini, Adel; Omar, Abbas Sayed
In: Proceedings of the 36th European Microwave Conference, EuMC - EuMA, European Microwave Ass. . - 2006, S. 271-273Kongress: European Microwave Week (Manchester, UK) (Manchester, UK : 2006.09.10-15)
Design of compact mircostrip lowpass filters using a u-shaped defected ground structure and compensated microstrip line
Boutejdar, Ahmed; Ali Ramadan, Ali; Makkey, M.; Omar, Abbas Sayed
In: Proceedings of the 36th European Microwave Conference, EuMC - EuMA, European Microwave Ass. . - 2006, S. 267-270Kongress: European Microwave Week (Manchester, UK) (Manchester, UK : 2006.09.10-15)
Quasi-lumped - open-loop suspended stripline bandpass filters
Balalem, Atallah; Menzel, Wolfgang; Omar, Abbas Sayed
In: Proceedings of the 36th European Microwave Conference, EuMC - EuMA, European Microwave Ass. . - 2006, S. 568-571Kongress: European Microwave Week (Manchester, UK) (Manchester, UK : 2006.09.10-15)
Artikel in Kongressband
Computation of wakefields and impedances for the PETRA III longitudinal feedback cavity
Bandyopadhyay, Ayan Kumar; Jöstingmeier, Andreas; Omar, Abbas Sayed; Balewski, K.; Wanzenberg, Rainer
In: Proceedings of the Asian Particle Accelerator Conference, APAC 2007 - Raja Ramanna Centre for Advanced Technology . - 2007, S. 124-126Kongress: APAC 2007 (Indore, India : 2007.01.29-02.02)
A new compact capacitive-gap-coupled mircostrip bandpass filter using arrowhead shape as defected ground structure (DGS)
Boutejdar, Ahmed; Elsherbiny, A.; Omar, Abbas Sayed
In: Proceedings of Asia-Pacific Microwave Conference December 12-15, 2006 - Japan: IEICH . - 2006, insges. 5 S.Kongress: APMC (Yokohama, Japan : 2006.12.12-15)
Three-dimensional electromechanical coupled analysis for capacitive RF MEMS switches
Hamad, Ehab Khalaf Ibrahim; Elsherbeni, Atef Z.; Omar, Abbas Sayed
In: 22th Annual Review of Progress in Applied Computational Electromagnetics - ACES . - 2006, S. 574-580Kongress: ACES 22 (Miami, Florida : 2006.03.12-16)
Application of ESPRIT in super-resolution microwave imaging
Ali, Ali Assie; Aly, Omar A. M.; Omar, Abbas
In: Mediterranean Microwave Symposium . - Genova, S. 207-210, 2006Kongress: MMS; 6 (Genova, Italy) : 2006.09.19-21
Wake computations for the beam positioning monitors of PETRA III
Bandyopadhyay, Ayan Kumar; Joestingmeier, Andreas; Omar, Abbas Sayed; Balewski, K.; Wanzenberg, Rainer
In: EPAC 06 - Edinburgh . - 2006, insges. 3 S.Kongress: EPAC 10 (Edinburgh, Scotland : 2006.06.26-30)
First arrival detection based on channel estimation for positioning in wireless OFDM systems
Ali, Ali Assie; Nguyen, Van Duc; Kyamakya, K.; Omar, Abbas Sayed
In: EUSIPCO 2006/ EUSIPCO - Florence . - 2006, insges. 5 S.Kongress: European Signal Processing Conference 14 (Florence : 2006.09.04-08)
A novel method to obtain a large reject-band with a compact bandstop filter using dected ground structure (DGS) coupled resonators
Boutejdar, Ahmed; Elsherbini, A.; Omar, Abbas Sayed
In: Mediterranean Microwave Symposium - Genova . - 2006, S. 189-192Kongress: MMS 6 (Genova, Italy : 2006.09.19-21)
A new TEM double-ridged horn antenna for ground penetrating radar applications
Teggatz, Alexander; Jöstingmeier, Andreas; Omar, Abbas Sayed
In: German Microwave Conference, GeMiC 2006 - Karlsruhe . - 2006, insges. 5 S.Kongress: GeMiC (Karlsruhe : 2006.03.28-30)
Design of a novel microstrip bandstop filter using one compact c-open-loop resonator
Boutejdar, Ahmed; Elsherbiny, A.; Amari, S.; Awida, M.; Omar, Abbas Sayed
In: Proceedings of Asia-Pacific Microwave Conference December 12-15, 2006 - Japan: IEICH . - 2006, insges. 4 S.Kongress: APMC (Yokohama, Japan : 2006.12.12-15)
Originalartikel in begutachteter internationaler Zeitschrift
Two-dimensional coupled electrostatic-mechanical model for RF MEMS switches
Hamad, Ehab K. I.; Elsherbeni, Atef Z.; Safwat, Amr M. E.; Omar, Abbas
In: Applied Computational Electromagnetics Society : Applied Computational Electromagnetics Society journal . - Monterey, Calif., Bd. 21.2006, 1, S. 26-36
Detection and localization of RF radar pulses in noise environments using wavelet packet transform and higher order statistics
Aly, Omar A. M.; Omar, Abbas Sayed
In: Progress in electromagnetics research - Cambridge, Mass.: EMW . - 2006, 58, S. 301-317
A MEMS reconfigurable DGS resonator for K-band applications
Hamad, Ehab Khalaf Ibrahim; Safwat, Amr M. E.; Omar, Abbas Sayed
In: Journal of microelectromechanical systems - New York, NY: IEEE, Bd. 15 (2006), 4, S. 756-762
Reconstructing stratified permittivity profiles using super-resolution techniques
Aly, Omar A. M.; Omar, Abbas
In: Institute of Electrical and Electronics Engineers : IEEE transactions on microwave theory and techniques . - New York, NY : IEEE, Bd. 54.2006, 1, S. 492-498; Abstract
An improved two-dimensional coupled electrostatic-mechanical model for RF MEMS switches
Hamad, Ehab Khalaf Ibrahim; Omar, Abbas Sayed
In: Journal of micromechanics and microengineering - Bristol: Inst., Bd. 16 (2006), 7, S. 1424-1429
Originalartikel in begutachteter zeitschriftenartiger Reihe
Design of h-shaped low actuation-voltage RF-MEMS switches
Batmanov, Anatoliy; Hamad, Ehab Khalaf Ibrahim; Burte, Edmund P.; Omar, Abbas Sayed
In: Proceedings of Asia-Pacific Microwave Conference December 12-15, 2006 - Japan: IEICH, 2006 . - 2006, insges. 4 S.Kongress: Asia-Pacific Microwave Conference (Yokohama, Japan : 2006.12.12-15)
Complex reflection signatures of buried dielectric objects for a ground penetrating radar with different antenna concept
Teggatz, Alexander; Jöstingmeier, Andreas; Omar, Abbas Sayed
In: IEEE Antennas and Propagation Society international symposium 2006 with USNC/URSI National Radio Science and AMEREM meetings/ IEEE Antennas and Propagation Society - omnipress, 2006 . - 2006, insges. 4 S.Kongress: IEEE Antennas and Propagation Society international symposium (Albuquerque, NM : 2006.07.09-14)
Design of compact microstrip lowpass filters with suppression of spurious response using a new etched resonators in ground metallic plane
Boutejdar, Ahmed; Omar, Abbas
In: 2006 IEEE Sarnoff Symposium . - Piscataway, NJ : IEEE Service Center, ISBN 1-424-40002-3, insges. 4 S.Kongress: IEEE Sarnoff Symposium; (Princeton, NJ) : 2006.03.27-28[IEEE Sarnoff Symposium ; (Princeton, NJ) : 2006.03.27-28]
Miniature microstrip multi-layer lowpass filter using π-arrowhead slots etched in the ground plane
Boutejdar, Ahmed; Omar, Abbas Sayed
In: 2006 IEEE Sarnoff Symposium - Piscataway, NJ: IEEE Service Center, 2006 . - 2006, insges. 4 S.Kongress: IEEE Sarnoff Symposium (Princeton, NJ : 2006.03.27-28)
Estimation of the channel-impulse-response length for adaptive OFDM systems based on information theoretic criteria
Ali, Ali Assie; Nguyen, Van Duc; Kyamakya, K.; Omar, Abbas Sayed
In: In . - 2006, insges. 5 S.Kongress: IEEE Vehicular Technology Conference 63 (Melbourne : 2006.05.07-10)
Determining the height of buried objects comparing a 1d transmission line method and a 3d GPR field simulation
Teggatz, Alexander; Jöstingmeier, Andreas; Omar, Abbas Sayed
In: IEEE Antennas and Propagation Society international symposium 2006 with USNC/URSI National Radio Science and AMEREM meetings/ IEEE Antennas and Propagation Society - omnipress, 2006 . - 2006, insges. 4 S.Kongress: IEEE Antennas and Propagation Society international symposium (Albuquerque, NM : 2006.07.09-14)
Wissenschaftliche Monographie
Computations of Wakefields for beam position monitors of PETRA III
Bandyopadhyay, Ayan Kumar; Jöstingmeier, Andreas; Omar, Abbas Sayed; Wanzenberg, Rainer
In: Hamburg: Dt. Elektronen-Synchrotron DESY, 2006, 33 S., graph. Darst. - (Internal report; DESY; M; 06-02)
2005
Buchbeitrag
Spread spectrum ultrasonic positioning systems.
Aly, Omar A.M.; Omar, Abbas
In: Niccimon, Niedersächsisches Kompetenzzentrum Informationssysteme für die Mobile Nutzung Oldenburg (Hrsg.): Joint 2nd workshop on postioning, navigation and communication 2005 (WPNC '05) & 1st ultra-wideband expert talk 2005 (UET '05) (Hannover, Germany March 17 2005). - proceedings. Herzogenrath : Shaker, 2005, S. 109 - 114 (Hannoversche Beiträge zur Nachrichtentechnik : special issue 2)
2d periodic defected ground structure for coplanar waveguide.
Hamad, Ehab K.I.; Safwat, Amr M.E.; Omar, Abbas
In: Menzel, Wolfgang (Hrsg.): German micrawave conference, GeMIC 2005 (Ulm April 5 - 7 2005). conference proceedings. Ulm : Univ., 2005, S. 25 - 28 (GeMIC 2005)
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