photo
Abdel Razik Sebak

IEEE Fellow,  EIC Fellow,  PhD 
Professor and Tier I Concordia University Research Chair 
in
Millimeter-wave Antennas and Systems

Electrical & Computer Engineering Phone:(514) 848-2424 Ext. 4082
1455 de Maisonneuve Blvd. W. Fax: (514) 848-2802
Montréal, Québec Office: EV15.179
Canada H3G 1M8                                      Office Location E-mail: abdo@ece.concordia.ca

  • Research Information

Research Activities

Dr Sebak’s recent research activities cover two streams: Antenna Engineering, and Analytical and Computational Electromagnetics. 
Applied and sponsored projects include ultra wideband antennas, mm-wave antennas, reconfigurable antennas, microwave beamforming,
dielectric resonator  antennas,
electromagnetic bandgap  structures, high gain antennas, mm-wave detection/imaging and
modeling techniques for simulation of electromagnetic waves interaction with 3D objects. 

Publications (2014-2018 updated May 2018)

Refereed Journals

2018

1.      M. Ali; S. Shams; A. Sebak, Printed Ridge Gap Waveguide 3-dB Coupler: Analysis and Design Procedure. 

     IEEE Access. 6: 8501-8509., 2018

2.      M. Ali , S Shams, A Sebak, and A. Kishk,  Rectangular Waveguide Cross-Guide Couplers: Accurate Model for Full-Band Operation.

     IEEE Microwave and Wireless Components Letters. In Press, 2018.

3.      R Movahedinia, R Chaharmir, A. Sebak M. Ranjbar.  X-Band Circularly Polarized Electronically Steerable Parasitic Array Radiator of DRA. 

     IEEE Transactions on Antennas and Propagation,. 66: 721-728., 2018.

4.      M Ali, and A Sebak, Compact Printed Ridge Gap Waveguide Crossover for Future 5G Wireless Communication System. 

     IEEE Microwave and Wireless Components Letters. In Press, 2018.

5.      M S J Moghadam; M Akbari; F Samadi; A. Sebak  Polarization Rotation Based on Reflective Anisotropic Surfaces. 

     IEEE Access. 6: 15919-15925, 2018.

2017

6.      M Asaadi*, and A Sebak,; Gain and Bandwidth Enhancement of 2× 2 Square Dense Dielectric Patch Antenna Array Using a Holey Superstrate, I

      EEE Antennas and Wireless Propagation Letters, Vol 16, pp 1808-1811, 2017.

7.      Z. Briqech**; A. Sebak; T. Denidni, Low-Cost Wideband mmWave Phased Array Using the Piezoelectric Transducer for 5G Applications,

      IEEE Transactions on Antennas and Propagation, Volume: 65, pp. 6403 - 6412, 2017.

8.      M. Akbar*, Mohammad;M  Farahani*, A Sebak, ; Denidni, Tayeb Ka-Band Linear to Circular Polarization Converter Based on Multilayer Slab With Broadband Performance

     IEEE Access, vol 5, pp 17927-17937, 2017.

9.      R Movahedinia*, M R Chaharmir, A. Sebak M Nikkhah, and A. Kishk, X-Band Circularly Polarized Electronically Steerable Parasitic Array Radiator of DRA

      IEEE Transactions on Antennas and Propagation, Volume: 65, 8 pages, In Press, 2017..

10.  M. Akbar*, M Ali*, M Farahani*,  A Sebak, AR; Denidni, T;    Spatially mutual coupling reduction between CP-MIMO antennas using FSS superstrate,

      Electronics Letters,          53, pp. 516-518, 2017.

11.  S Gupta*, Z Briqech**, A Sebak; Substrate Integrated Based Fermi-Dirac Multibeam Antenna for mmWave Applications, 

     IET Electronics Letters, 53, In Press, 3 pages, 2017.

12.  M Asaadi, A. Sebak; High-gain low-profile circularly polarized slotted SIW cavity antenna for MMW applications, 

      IEEE Antennas and Wireless Propagation Letters,16, pp. 752-755, 2017.

13.  Akbari, Mohammad; Ghalyon, Hamdan Abo; Farahani, Mohammadmahdi; Sebak, Abdel-Razik; Denidni, Tayeb A; Spatially Decoupling of CP Antennas Based on FSS for 30-GHz MIMO, 

      IEEE Access, 5, pp. 6527-6537, 2017.

14.  Movahedinia, Reza; Chaharmir, Mohammad Reza; Sebak, Abdel R; Nikkhah, Mohammad Ranjbar; Kishk, Ahmed A; Realization of Large Dielectric Resonator Antenna ESPAR. 

     IEEE Transactions on Antennas and Propagation, Vol 65, pp. 3744-3749, 2017.

15.  Farahani, Mohammadmahdi; Pourahmadazar, Javad; Choubar, Mohammad Akbari; Nedil, Mourad; Sebak, Abdel Razik; Denidni, Tayeb Ahmed; 

     Mutual Coupling Reduction in Millimeter-Wave MIMO Antenna Array Using a Metamaterial Polarization-Rotator Wall, 

     IEEE Antennas and Wireless Propagation Letters, In Press, 2017.     

16.  Farahani, Mohammadmahdi; Akbari, Mohammad; Nedil, Mourad; Denidni, Tayeb A; Sebak, Abdel Razik; 

     A Novel Low-Loss Millimeter-Wave 3dB 90o Ridge-gap Coupler Using Large Aperture Progressive Phase, 

     IEEE Access, Vol. 5, pp. 9610-9618, 2017.

17.  Ashraf, MA; Jamil, Khalid; Sebak, AR; Alshebeili, Saleh; Shoaib, Mobien; Alkanhal, Majeed; Alhekail, Zeyad;       

     Evaluation of a Single-Input Multiple-Output Antenna Array for Ultra-wide Band Applications, 

    AEU-International Journal of Electronics and Communications, Vol. 20, pp. 965-972, 2017.

18.  A Alaqeel1,  S. Almorqi1, O. Haraz**, S Alshebeili, A.  Sebak, 

     Design of Multilayered K-Band and Ka-Band SlotCoupled Microstrip 90o Hybrid Couplers Employing Circular Ring Patch Shapes, Wireless Personal Communications, vol 92, pp. 653-666, 2016.

19.  Akbari, M; Gupta, S; Farahani, M; Sebak, AR; Denidni, TA;   Analytic study on CP enhancement of millimeter wave DR and patch subarray antennas,  

International Journal of RF and Microwave ComputerAided Engineering, DOI: 10.1002/mmce.21053 27, In Press, 11 pages, 2017.

2016

20.  Z. Briqech*; A. Sebak; T. Denidni, Wide-Scan MSC-AFTSA Array Fed Grooved Spherical Lens Antenna for Millimeter-Wave MIMO Applications, 

      IEEE Transactions on Antennas and Propagation, Volume: 64,pp.  2971 - 2980, 2016.

21.  M. Niroo-Jazi**, M. R. Chaharmir, J. Shaker, A. Sebak: " Broadband Transmitarray Antenna Design Using Polarization-Insensitive Frequency Selective Surfaces,”

      IEEE Trans Ant and Prop, v 64, pp. 99-109, 2016.

22.  M. Akbari, S. Gupta, M. Farahani, A. R. Sebak, and T. A. Denidni,  Gain Enhancement of Circularly Polarized Dielectric Resonator Antenna Based on FSS Superstrate for MMW Applications, 

      IEEE Transactions on Antennas and Propagation, Volume: 64,pp.  5542 – 5546, 2016.

23.  O M. Haraz  and A Sebak Novel UWB Trapezoidal and Butterfly Shaped Microstrip Phase Shifters Using Multilayered PCB Technology, 

     ACES JOURNAL, Vol. 31, pp. 1309-1314, November 2016

24.  O Haraz**, S Alshebeili, N. Ashraf, S Almorqi, H. Shaman and A Sebak  

       Millimeter-Wave Microstrip Diplexer Using Elliptical Open-Loop Ring Resonators For Next Generation 5g Wireless Applications

      Microwave and Opt Tech Lett, Vol 58, pp. 106-110, 2016.

25.  N. Al-Khalli*, M.Alduraibi, N. Debbar, M. Saleem, M. Alkanhal, A. Sebak, and M. Abdel-Rahman, 

     Photolithographically definable SU-8-alumina composite for W-band dielectric resonator antennas, 

     IET Micro & Nano Letters, vol. 11, no. 4, pp. 224-229, March 2016.

26.  Rania Elsharkawy, A.R. Sebak, Moataza Hindy, Osama M. Haraz, Adel A. Saleeb, and El-Sayed M. El-Rabaie Darwish, 

     Two Efficient Unit Cell Designs for Polarization Independent 5-G Reflectarrays, 

     Minufiya Journal of Electronic Engineering Research, vol 25, pp. 53-65, 2016.

2015

27.  M. AlHasan*, T Denidni and A Sebak, Millimeter-wave compact EBG structure for Mutual Coupling Reduction Applications, 

      IEEE Trans Ant and Prop, v 63, pp. 823-828, 2015.

28.  I. Mohammed*, Z. Briqech* and A. Sebak, Antipodal Fermi Tapered Slot Antenna for 60 GHz Band Applications, 

     IEEE Ant and Wireless Prop Lett, Vol 14, pp. 96-99, 2015.

29.  M. Niroo-Jazi**, T. Denidni,  M.Chaharmir, A Sebak, On Radiation Performances of Reflectarray Antennas Constructed With Subwavelength Unit Cells, 

      IEEE Antennas and Wireless Propagation Letters, Volume: 14, pp. 1258 – 1262, 2015.

30.  O. M. Haraz**; Alshebeili, S.A.; Sebak, A.-R., "Low-cost high gain printed log-periodic dipole array antenna with dielectric lenses for V-band applications," in 

      IET  Microwaves, Antennas & Propagation, , vol.9,  pp.541-552, 2015.

31.  N. Rojhani, M. Akbari*, and A. Sebak “Controllable Triple Band-Notched Monopole Antenna for Ultra Wide Band Applications”. 

      IET Microwaves, Antennas & Propagation, DOI:  10.1049/iet-map.2014.0290, vol.9, pp.336-342, 2015.

32.  O Haraz**, S Alshebeili and A Sebak, Performance investigation of V-band PLPDA antenna loaded with a hemispherical dielectric lens for millimeter-wave applications, 

     Microwave and Optical Technology Letters, Vol 57, pp. 630-634, 2015.

33.  Z. Briqech*, A. Sebak and T. Denidni, "60 GHz Circular Patch-Fed High Gain Transparent Lens Antenna", 

     The Applied Computational Electromagnetic Society (ACES), Vol 30,  pp 469-477, 2015.

34.  M. Ashraf*, K Jamil, A.  Sebak, S Alshebeili, M Shoaib, M Alkanhal and Z Alhekail “Modified Antipodal Vivaldi Antenna with Shaped Elliptical Corrugation for 1-18 GHz UWB Application”, 

      The Applied Computational Electromagnetic Society (ACES), Vol 30, pp. 68-77, 2015.

35.  Z. Briqech*, A. Sebak and T. Denidni, "High Gain 60 GHz Antipodal Fermi Tapered Slot Antenna with Sine Corrugation ", 

      Microwave and Optical Technology Letters, Vol 57, pp. 6-9, 2015.

36.  K. Phalak*, Z Briqech* and A Sebak , Ka-band antipodal fermi-linear tapered slot antenna with a knife edge corrugation, 

     Microwave and Opt Tech Lett, Vol 57, pp. 485-489,  2015.

37.  I. Mohammed* and A. Sebak, "High-Gain Series-fed Aperture-Coupled Microstrip Antenna Array", 

     Microwave and Optical Technology Letters, Vol 57, pp. 91-94,  2015.

38.  O Haraz**, A Sebak, S Alshebeili, Design of Ultrawideband Multilayer Slot-coupled Vertical Microstrip Transitions Employing Novel Patch Shapes, 

     Microwave and Opt Tech Lett, Vol 57, pp. 747–756,  2015.

39.  O Haraz**, A Sebak, S Alshebeili, Study the Effect of Using Low-Cost Dielectric Lenses with Printed Log-Periodic Dipole Antennas for Millimeter-Wave Applications, 

      International Journal of Antennas and Propagation, online, Volume 2015 - ID# 209430, http://dx.doi.org/10.1155/2015/209430, 7 pages, 2015..

40.  M. Akbari*, S Zarbakhsh, N. Rojhani, and A. Sebak “Band-Stop Antenna with Enhanced Bandwidth by Using Several Pairs of Inverted L-Shaped Sleeves on the Ground for Wireless Application”. 

     The Applied Computational Electromagnetic Society (ACES), Vol 30,  pp302-306, 2015.

41.  M. Akbari*, N. Rojhani, M Saberi, S Zarbakhsh, and A. Sebak “Extended Bandwidth Monopole Antenna with Frequency Band-Stop Operation for Wireless Applications”.

     The Applied Computational Electromagnetic Society (ACES), Vol 30,  pp 409-414, 2015.

42.  M. Akbari*, Z Saman, R. Movahedinia, and A. Sebak “Ultra-Wideband Antenna with Variable Notch Band Function by Defected Ground Structure and Shorting Pin”.

     The Applied Computational Electromagnetic Society (ACES), Vol 30,  pp. 463-468, 2015.

43.  M. Abdel-Rahman, M. K. Saleem, N. Al-Khalli, N. Debbar, M. Alkanhal and A. Sebak, Fabrication and Characterization of a W-band Cylindrical Dielectric Resonator Antenna-Coupled Niobium Microbolomete

     International Journal of Antennas and Propagation, online, Volume 2015 - ID# 736291, http://dx.doi.org/10.1155/2015/736291, 7 pages, 2015.

44.  O Haraz**, AR Sebak, SA Alshebeili, Design of a printed log periodic dipole array antenna with high gain for millimeter wave applications,  

      International Journal of RF and Microwave Computer-Aided Engineering , DOI: 10.1002/mmce.20848, Vol 25, pp. 185-193, 2015.

45.  O Haraz**, A Sebak, S Alshebeili, Ultra-Wideband 4×4 Butler Matrix Employing Trapezoidal-Shaped Microstrip-Slot Technique, 

      Wireless Personal Comm, Vol 82, pp. 709-721, 2015.

2014

46.  A. Elboushi* and A. Sebak, "Mmw sensor for hidden targets detection and warning based on reflection / scattering approach", 

      IEEE Trans Ant and Prop, Vol 62,  pp. 4890-4894, 2014.

47.  O. M. Haraz, A. Elboushi, S. A. Alshebeili, A.-R. Sebak, “Dense Dielectric Patch Array Antenna with Improved Radiation Characteristics Using EBG Ground Structure and Dielectric Superstrate for Future 5G Cellular Networks,"

      IEEE Access, DOI: 10.1109/ACCESS.2014.2352679, online, 5 pages, 2014.

48.  A. Mehdipour**, T.Denidni, A.  Sebak, Multi-Band Miniaturized Antenna Loaded by ZOR and CSRR Metamaterial Structures With Monopolar Radiation Pattern, 

     IEEE Transactions on Antennas and Propagation, Volume: 62 , Page(s): 555 – 562, 2014.

49.  M. Niroo-Jazi**, T. Denidni,  M.Chaharmir, A Sebak, A Hybrid Isolator to Reduce Electromagnetic Interactions Between Tx/Rx Antennas, 

      IEEE Antennas and Wireless Propagation Letters, Volume: 13, pp. 75 – 78, 2014.

50.  A. Mehdipour**, T.Denidni, A.  Sebak, C.Trueman,  Reconfigurable TX/RX Antenna Systems Loaded by Anisotropic Conductive Carbon-Fiber Composite Materials, 

      IEEE Transactions on Antennas and Propagation, Volume: 62 , pp. 1002 – 1006, 2014.

51.  M. Niroo-Jazi**, T. Denidni,  M.Chaharmir, and A Sebak Meta-surfaces and antennas' radiation characteristics enhancement: planar microstrip and microstrip-based quasi-aperture antennas, 

     Microwaves, Antennas & Propagation, IET, vol8, pp. 901-911, 2014.

52.  A. Elboushi, O. M. Haraz, A.-R. Sebak "High Gain Circularly Polarized Slot Coupled Antenna for MMW Applications," 

     Microwave and Optical Technology Letters, Vol 56, pp.2522-2526, 2014.

53.  O M Haraz, M Abdel-Rahman, N Al-Khalli, S Alshebeili and A Sebak, Performance Investigations of Quasi-Yagi Loop and Dipole Antennas on Silicon Substrate for 94 GHz Imaging Applications, 

     International Journal of Antennas and Propagation, online, Volume 2014 - ID# 105625 , 9 pages, 2014.

54.  M. Akbari, M. Khodaee, S. Zarbakhsh, and A. Sebak “A New Compact Rectangle-Like Slot Antenna with WiMAX and WLAN Rejection”, 

     The Applied Computational Electromagnetic Society (ACES), Vol 29, pp. 576-583,  2014,

55.  O M Haraz, A Sebak and S Alshebeili, On Study the Effect of Using Low-Cost Dielectric Lenses with Printed Log-Periodic Dipole Antennas for Millimeter-Wave Applications, 

      International Journal of Antennas and Propagation, ID# 209430, 7 pages, 2014.

56.  K. Saleem, M. Abdel-Rahman, M. Alkanhal, and A. Sebak: A Cylindrical Dielectric Resonator Antenna-Coupled Sensor Configuration for 94 GHz Detection, I

     nternational Journal of Antennas and Propagation, Volume 2014, Article ID 850736, 5 pages, 2014.

57.  M. Ashraf*, A. Sebak, Z. Alhekail, M Alkanhal, S Alshebeili, "Broadband Dielectric Loaded Parallel Coupled Microstrip Quadrature Coupler" 

      Microwave and Optical Technology Letters, Volume 56, pp. 1694-1697, 2014.

58.  M. Akbari, R. Movahedinia, and A. Sebak “An ultra-wideband antenna with variable notch band function by DGS and Shorting Pin”. 

     Appl Comp Electroma Soc (ACES) Journal, vol 29, 452-459, 2014.

59.  A Sebak, S H Bakry, S Alshebeili, H Fathallah, S Alajlan, Case study: KACST technology innovation center in radio frequency and photonics, 

     Management, Policy & Practice: Vol. 16, pp. 250-262, 2014.


Published Refereed Conference Proceedings (2014-2018 updated May 2018):

     

1.      R Movahedinia, A Sebak, R. Chaharmir. (2018). A Low-Cost Beam-Scanning Dielectric Resonator Antenna Employing Reconfigurable Parasitic Elements

     IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, In Press, 2018.

2.      A Attar, A Sebak. (2018). High Gain Left Hand Circular Polarized Millimeter-Wave Radial Line Slot Antenna with Low Side Lobe Level. 

      IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, In Press,  2018.

3.      N Ashraf, A Kishk, A Sebak. (2018). Ridge Gap Waveguide Quasi –TEM Horn Antenna for Ka-band Applications

      IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, In Press,  2018.

4.      N Ashraf, A Kishk, A Sebak. (2018). AMC Packaged – Butler Matrix for Millimeter Wave Beamforming

      IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, In Press, 2018.

5.      F Samadi, M Akbari Choubar, R Charmir, A. Sebak. (2018). Coding AMC structure for Pattern Scattering

      IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, In Press, 2018.

6.      M Jalali Moghadam, M Akbari, F Samadi, S Zarbakhsh, A Sebak. (2018). Design of a Co to Cross Polarization Converter with Wideband PCR Performance

      IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, In Press,  2018.

8.      M jalali Moghadam, M Akbari and A. Sebak. (2018). Broad-band Efficient Linearly Polarization Conversion Ratio (PCR) Metasurfaces

      12th European Conference on Antennas and Propagation (EUCAP), In Press, 2018.

9.      F Samadi, MAkbari and A Sebak. (2018). Broadband Linear Polarization Conversion Metasurface Based on Grounded

      12th European Conference on Antennas and Propagation (EUCAP), In Press, 2018.

10.  F Samadi, M Akbari and A Sebak. (2018). Broadband Polarization Conversion Metasurface for RCS Reduction

      12th European Conference on Antennas and Propagation (EUCAP), In Press,  2018.

11.  M Akbari, F Samadi, M jalali Moghadam and A Sebak.  Coding Diffuse Surface for RCS, Suppression

     12th European Conference on Antennas and Propagation (EUCAP), In Press, 2018.

12.  M Asaadi, A Sebak. High gain high dense dielectric patch antenna with a holey superstrate for 5G applications. 

      International Conference on Electromagnetics in Advanced Applications (ICEAA), 4 pages, 2017.

13.  A Beltayib, M Asaadi, Z Briqech, A Sebak. A beam deflector based on gradient refractive index metamaterial. 

     International Conference on Electromagnetics in Advanced Applications (ICEAA), 4 pages, 2017.

14.  E. H. Mujammami; A. Sebak.  Design of a 30-GHz high gain quasi-Yagi antenna. 

      XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS),In Press, 3 pages, 2017.

15.  M. M. M. Ali; A. R. Sebak.  Directive antennas for future 5G mobile wireless communications. 

      XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSIGASS), 3 pages, 2017.

16.  F. Samadi; M. Akbari; M. R. Chaharmir; A. R. Sebak.  Scattering behavior of AMC chessboard for RCS reduction application. 

      XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), 3 pages, 2017.

17.  F. Samadi; M. Akbari; M. R. Chaharmir; A. R. Sebak. Wideband RCS suppression based on FSS structures for millimeter applications.

      XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), 3 pages, 2017.

18.  M. Akbari; A. Farahbakhsh; M. Farahani; A. R. Sebak; T. A. Denidni.  A sequential-phase feed antenna subarray based on ridge gap waveguide. 

     IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2 pages, 2017.

19.  M. M. M. Ali; A. R. Sebak. 4 x 2-slot element for 30-GHz planar array antenna realized using SIW cavity and fed by microstrip line line-ridge gap waveguide.

      IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2 pages, 2017.

20.  M. Asaadi; A. Sebak.  High gain high dense dielectric patch antenna with a holey superstrate for 5G applications. 

       IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting,2 pages, 2017.

21.  A Ghalyon; M. Akbari; A. Sebak.  A 30GHz linear-to-circular polarization conversion using two layer FSS.

       IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2 pages, 2017.

22.  Z. Briqech; A. R. Sebak. Metamaterial-corrugated fermi tapered slot antenna for MMW applications. 

      IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2 pages, 2017.

23.  A Beltayib; M. Asaadi; Z. Briqech; A. Sebak.  A beam deflector based on gradient refractive index metamaterial. 

      IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2 pages, 2017.

24.  M. Farahani; J. Zaid; T. A. Denidni; M. Akbari; A. R. Sebak; M. Nedil.  Mutual coupling reduction in millimeter-wave MIMO dielectric resonator antenna using metamaterial polarization rotator wall. 

      IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting,, 2 pages, 2017.

25.  Z Briqech, S Gupta, A Sebak , T A. Denidni,  Low Cross Polarized AFTSA-SC H-Plane Array Architecture for MMW Applications,

     2017 European Conference on Antennas and Propagation (EuCAP), pp. 2125-2129, 2017

26.  M. Akbari , M. Farahani , A. R. Sebak and T. A. Denidni, A 30GHz High-Gain Circularly-polarized PatternSteerable Antenna Based on Parasitic Patches, 

      2017 European Conference on Antennas and Propagation (EuCAP), pp. 3044-3046, 2017

27.  R. Movahedinia, M.R Chaharmir, A.R. Sebak, A.A. Kishk, Large Dielectric Resonator Antenna ESPAR for Massive MIMO Systems, 

     2017 European Conference on Antennas and Propagation (EuCAP),  pp. 1735-1737, 2017

28.  E. Baghernia, M.R. Chaharmir and A. R. Sebak, Investigating The Effect of Arc Perturbation on SIW Cavity Backed Slot Antenna, 

      2017 IEEE 30th Canadian Conference on Electrical and Computer Engineering, DOI: 10.1109/CCECE.2017.7946607, pp.1-3, 2017

29.  M M M. Ali*, A Sebak,  Dual Band (28/38 GHz) CPW Slot Directive Antenna for Future 5G Cellular Applications, ," 

     2016 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting in Fajardo, Puerto Rico, paper # MO-A1.3P.9 , 2 pages, 2016.

30.  M Akbari Choubar*, S Gupta*, A Sebak High Gain Circularly-Polarized Fabry-Perot Dielectric Resonator Antenna for MMW Applications,

      2016 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting in Fajardo, Puerto Rico, paper # TU-A2.2A.3, 2 pages, 2016.

31.  M Akbari Choubar*, S Gupta,* A Sebak, Sequential Feeding Networks for Subarrays of Circularly Polarized Patch Antenna, 

       2016 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting in Fajardo, Puerto Rico, paper # TU-A5.2A.1, 2 pages, 2016.

32.  I Mohamed*, A Sebak, A 60 GHz SIW-Based Vivaldi Antenna with Improved Radiation Patterns,

      2016 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting in Fajardo, Puerto Rico, paper # TU-A5.1P.9, 2 pages, 2016.

33.  S Gupta*, M Akbari Choubar*, A Sebak, SIW Beamforming of 2 × 2 and 4 × 4 AFLTSA Arrays for MMW Applications,

      2016 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting in Fajardo, Puerto Rico, paper # TU-A5.1P.10, 2 pages, 2016.

34.  M Asaadi*, A Sebak, High Gain Low Profile Slotted SIW Cavity Antenna for 5G Applications, 

      2016 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting in Fajardo, Puerto Rico, paper # WE-A1.4P.5 , 2 pages, 2016.

35.  M Asaadi*, A Sebak, Broadside High Gain H-plane Substrate Integrated Horn Antenna For Future 5G Applications

    2016 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting in Fajardo, Puerto Rico, paper # TH-A5.5A.3, 2 pages, 2016.

36.  M. M. M. Ali* and A. R. Sebak, "Design of compact millimeter wave massive MIMO dual-band (28/38 GHz) antenna array for future 5G communication systems," 

     2016 17th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), Montreal, QC, Canada, pp. 1-2, doi: 10.1109/ANTEM.2016.7550213, 2016.

37.  S. Gupta*, M. Akbari* and A. Sebak, "High gain antipodal fermi-linear tapered slot antenna (AFLTSA) array fed by SIW for MMW applications," 

      2016 17th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), Montreal, QC, Canada, pp. 1-2, doi: 10.1109/ANTEM.2016.7550115, 2016

38.  Z. Briqech* and A. R. Sebak, "Millimeter-wave imaging system using a 60 GHz dual-polarized AFTSA-SC probe," 

      2016 33rd National Radio Science Conference (NRSC), Aswan, pp. 325-332, doi: 10.1109/NRSC.2016.7450853, 2016

39.  S. Gupta*, M. Akbari*, R. Movahedini*a, S. Zarbakhsh* and A. R. Sebak, "Low-side lobe level aperture coupled dielectric resonator antenna array fed by SIW," 

      2016 10th European Conference on Antennas and Propagation (EuCAP), Davos, pp. 1-4, doi: 10.1109/EuCAP.2016.7481335, 2016

40.  M. M. M. Ali*, O. Haraz**, S. Alshebeili and A. R. Sebak, "Broadband printed slot antenna for the fifth generation (5G) mobile and wireless communications," 

     2016 17th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), Montreal, QC, Canada, pp. 1-2., doi: 10.1109/ANTEM.2016.7550106, 2016

41.  I. Mohamed* and A. Sebak, "Linearly tapered slot antenna array with SIW feed network for 60 GHz applications," 

      2016 17th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), Montreal, QC, Canada, pp. 1-2, doi: 10.1109/ANTEM.2016.7550140, 2016

42.  M. S. Dalenjan, P. Rezaei, M. Akbari*, S. Gupta* and A. R. Sebak, "Radiation properties enhancement of a microstrip antenna using a new UC-EBG structure," 

     2016 17th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), Montreal, QC, Canada, pp. 1-2., doi: 10.1109/ANTEM.2016.7550114, 2016

43.  R. Movahedinia*, M. R. Chaharmir, M. Akbari, A. Sebak and A. A. Kishk, "A large ESPAR with dielectric resonator subarrays," 

     2016 17th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), Montreal, QC, Canada, pp. 1-2., doi: 10.1109/ANTEM.2016.7550161, 2016

44.  M. Asaadi* and A. Sebak, "Circularly polarized high gain low profile slotted SIW cavity antenna," 

     2016 17th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), Montreal, QC, Canada, pp. 1-2., doi: 10.1109/ANTEM.2016.7550127, 2016

45.  M. Akbari*, S. Gupta*, R. Movahedinia, S. Zarbakhsh and A. R. Sebak, "Bandwidth enhancement of 4×4 subarrays circularly polarized rectangular dielectric resonator antenna by sequential feeding network," 

      2016 10th European Conference on Antennas and Propagation (EuCAP), Davos, pp. 1-4, doi: 10.1109/EuCAP.2016.7481334, 2016

46.  M. M. M. Ali* and A. R. Sebak, "Compact UWB high gain fermi taper slot antenna for future 5G communication systems," 

    2016 17th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), Montreal, QC, Canada, pp. 1-2, doi: 10.1109/ANTEM.2016.7550187, 2016

47.  A. Sebak*, "High gain millimeter wave antennas for 5G wireless and security imaging systems," 

     2016 33rd National Radio Science Conference (NRSC), Aswan, pp. 2-2. doi: 10.1109/NRSC.2016.7484759, 2016

48.  M. Akbari*, S. Gupta*, S. Zarbakhsh and A. R. Sebak, "A linear to circular polarizer based on frequency selective surface operating 30GHz applications," 

     2016 17th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), Montreal, QC, Canada, pp. 1-2, doi: 10.1109/ANTEM.2016.7550113, 2016

49.  Mohammad AkbariAbdel Razik Sebak, Broadband RCS reduction based on AMC technology for MMW applications,

      2016 IEEE 5th Asia-Pacific Conference on Antennas and Propagation (APCAP), 2016 Pages: 259 - 260, 2016.

50.  R. Movahedinia, M. Niroo-jazi, M. Akbari, A. Sebak and R Chaharmir,  Improvement of Transmit–Receive Array Antenna Isolation by Employing Multilayer EBG Structure, 

      IEEE ICUWB2015, Regular Session 15, 4 pages, 2015.

51.  I Mohamed and A Sebak, A 50-70 GHz SIW-Based Linearly Tapered Slot Antenna with Low Cross Polarization, 

       IEEE ICUWB2015, Regular Session 16, 4 pages, 2015.

52.  M. Akbari, R. Movahedinia, A.  Sebak  et al., UWB Antenna with 3.5-/5.5-GHz Dual Band-Notched Characteristics Using Two Radiating Stubs, 

       IEEE ICUWB2015, Regular Session 18, 4 pages, 2015.

53.  S Dorvlo, Z Briqech and A Sebak, 3-Element Sectorial Fermi Tapered Slot Antenna with Sin-Corrugation, 

      IEEE ICUWB2015, Regular Session 18, 4 pages, 2015.

54.  M. Akbari, R. Movahedinia, A.  Sebak  et al., A New Antenna with Dual Band-Notched Function by Shorting Pin and S-shaped Coupling Element, 

      IEEE ICUWB2015, Regular Session 18, 4 pages, 2015.

55.  O. M. Haraz · M. M. M. Ali · S. Alshebeili · A.-R. Sebak, Design of a 28/38 GHz Dual-Band Printed Slot Antenna for the Future 5G Mobile Communication Networks

     The 2015 IEEE AP-S Symposium on Antennas and Propagation and URSI CNC/USNC Joint Meeting, Vancouver; 07/2015

56.  A. Elboushi · O. M. Haraz · K. Jamil · A.-R. Sebak : Analysis and Design of a Metal-Backed RFID Tag Antenna, 

      The 2015 IEEE AP-S Symposium on Antennas and Propagation and URSI CNC/USNC Joint Meeting, Vancouver; 07/2015

57.  M. M. M. Ali · O. M. Haraz · I. Elshafiey · S. Alshebeili · A.-R. Sebak: Efficient SAR Localization for Hyperthermia Treatment of Cancer Cells by Applying a Dual-Band 8-Element Phased-Array

      The 2015 IEEE AP-S Symposium on Antennas and Propagation and URSI CNC/USNC Joint Meeting, Vancouver; 07/2015

58.  A. Alaqeel · S. Almorqi · M. Algassim · O. Haraz · S. Alshebeili · A.-R. Sebak: Broadband Phase Shifter for K- and Ka- Bands Beam-Steering Networks

     The 2015 IEEE AP-S Symposium on Antennas and Propagation and URSI CNC/USNC Joint Meeting, Vancouver; 07/2015

59.  M. A. Ashraf · O. Haraz · A.-R. Sebak · S. AlshebeiliWideband Compact Vivaldi Antenna Loaded with Dielectric Lens for Millimeter-wave Applications

     ibid, Vancouver; 07/2015.

60.  A. Alaqeel · S. Almorqi · O. Haraz · M. Ashraf · S. Alshebeili · A.-R. Sebak,  Broadband 4 x 4 Butler Matrix for K- and Ka- Bands, 

     The 2015 IEEE AP-S Symposium on Antennas and Propagation and URSI CNC/USNC Joint Meeting, Vancouver; 07/2015.

61.  R. Elsharkawy · A.-R. Sebak · A. Saleeb · O. M. Haraz · M. Hindy ·E.-S. M. El-Rabaie: Polarization Insensitive Ka-band Reflectarray Antenna, 

      The 2015 IEEE AP-S Symposium on Antennas and Propagation and URSI CNC/USNC Joint Meeting, Vancouver; 07/2015.

62.  F. Alsolamy · A. AlAmoudi · S. Almorqi · O. Haraz · S. Alshebeili · A.-R. Sebak, Conference,  Constant Refractive Index Lens Printed Yagi Antenna for Automotive Radars, 

     The 2015 IEEE AP-S Symposium on Antennas and Propagation and URSI CNC/USNC Joint Meeting, Vancouver; 07/2015.

63.  O. M. Haraz · M. M. M. Ali · A. Elboushi · A.-R. Sebak, Four-Element Dual-Band Printed Slot Antenna Array for the Future 5G Mobile Communication Networks, 

       The 2015 IEEE AP-S Symposium on Antennas and Propagation and URSI CNC/USNC Joint Meeting, Vancouver; 07/2015.

64.  Briqech, Z.; Robitaille, J.; Bishyk, K.; Abdo, K.; Bhogal, D.; Sebak, A., "High gain antipodal tapered slot antenna With sine-shaped corrugation and fermi profile substrate slotted cut-out for MMW 5G,"

      in Millimeter Waves (GSMM), 2015 Global Symposium On ,  pp. 1-3, 25-27 May 2015

65.  Mohamed, I.; Sebak, A., "Dielectric loaded antipodal linearly tapered slot antenna for 60 GHz applications," 

     in Millimeter Waves (GSMM), 2015 Global Symposium On , doi: 10.1109/GSMM.2015.7175442, pp.1-2, 25-27 May 2015

66.  Ali, M.M.M.; Haraz, O.M.; Alshebeili, S.; Sebak, A.-R., "B2. Broadband millimeter-wave rectangular reflectarray antenna utilizing novel polarization insensitive multi-resonant unit cells," 

      in Radio Science Conference (NRSC), 2015 32nd National , doi: 10.1109/NRSC.2015.7117809, pp.9-16, 24-26 March 2015

67.  Mohamed Mamdouh · Osama M Haraz · Ibrahim Elshafiey · Saleh Alshebeili · Abdel-Razik Sebak: 

     Design of Dual-Band Phased Array Antenna System with Layered Cylindrical Human Tissue Model for Hyperthermia Treatment and Microwave Imaging Applications

      32nd NATIONAL RADIO SCIENCE CONFERENCE (NRSC 2015), October University for Modern Sciences and Arts, Egypt; 03/2015

68.  O. M. Haraz, S. A. Alshebeili, A.-R. Sebak, "New Millimeter-Wave Antenna Array for Short-Range Communication Applications," 

      IEEE International Symposium on Antennas and Propagation (AP-S) and USNC-URSI Radio Science Meeting, July 6–12, 2014, Memphis, Tennessee, USA.

69.  [Invited Paper] O. M. Haraz, A. Elboushi, A.-R. Sebak, "New Dense Dielectric Patch Array Antenna for Future 5G Short-Range Communications," 

      16th international symposium on antenna technology and applied electromagnetics (ANTEM 2014), July 13–17, 2014, Victoria, BC, Canada.

70.  H. Shaman, S. Almorqi, O. M. Haraz, S. A. Alshebeili, Abdel-Razik Sebak, " Millimeter-Wave Microstrip Diplexer using Elliptical Open-Loop Ring Resonators for Next Generation 5G Wireless Applications,"

      the Mediterranean Microwave Symposium (MMS’14), Marrakech, Morocco, December 12-14, 2014.

71.  Abdulrahman Alaqeel, H. Shaman, S. Almorqi, O. M. Haraz, S. A. Alshebeili, Abdel-Razik Sebak, 

     "Butterfly–Shaped Slot Coupled Microstrip 90° Hybrid Couplers for K- and Ka-Band Millimeter-Wave Radar Applications," 

      the Mediterranean Microwave Symposium (MMS’14), Marrakech, Morocco, December 12-14, 2014.

72.  Osama M. Haraz, Mohamed Abdel-Rahman, Saleh A. Alshebili, Abdel-Razik Sebak, "A Novel  94 GHz Dipole Bow-tie Antenna for Imaging Applications," 

      2014 IEEE Asia-Pacific Conference on Applied Electromagnetics, Malaysia, December 8-10, 2014.

73.  Mohamed F. A. Ahmed,  Osama M. Haraz, Georges Kaddoum, Saleh A. Alshebili, Abdel-Razik Sebak, "On Using Gaussian Excitation Amplitudes to Improve the Antenna Array Radiation Characteristics," 

      2014 IEEE Asia-Pacific Conference on Applied Electromagnetics, Malaysia, December 8-10, 2014.

74.  Ayman Elboushi, Abdelrazik Sebak: "High Gain Hybrid DRA / Horn Antenna for MMW Applications," 

      2014 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting in Memphis, Tennessee, paper 1944, 2 pages, 2014.

75.  Kiran Phalak, Abdelrazik Sebak: "Surface Integrated waveguide based triangular cavity backed T slot planar antenna at 60 GHz," 

     2014 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting in Memphis, Tennessee, paper 1719, 2 pages, 2014.

76.  Osama Haraz, Saleh A. Alshebeili, Abdel-Razik Sebak: "Millimeter-Wave Antenna Array for Short-Range Communication Applications," 

     2014 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting in Memphis, Tennessee, paper 1455, 2 pages, 2014.

77.  Issa Mohamed, Abdelrazik Sebak: "High-Gain SIW-Based Antipodal Linearly Tapered Slot Antenna for 60-GHz Applications," 

     2014 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting in Memphis, Tennessee, paper 1531, 2 pages, 2014.

78.  Mu'ath Al-Hasan, Tayeb Denidni, Abdel Razik Sebak: "Millimeter-wave FSS-based Dielectric Resonator Antenna with Reconfigurable Radiation Pattern," 

     2014 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting in Memphis, Tennessee, paper 1514, 2 pages, 2014.

79.  M. Aldhaeebi,  K.  Jamil,   and A. Sebak,  Ultra-Wideband Antenna for RFID Underground Oil Industry Application, 

      2014 IEEE AIMS Proceedings, pp. 333 - 338, Madrid, 2014.

80.  Mahmoud Niroo-Jazi, M. R. Chaharmir, J. Shaker, Abdel Razik Sebak: "Reflectarray Antennas Using Single Layer Polarization Independent Multi-Resonant Unit Cells," 

      2014 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting in Memphis, Tennessee, paper 1476, 2 pages, 2014.

81.  Mahmoud Niroo-Jazi, M. R. Chaharmir, J. Shaker, Abdel Razik Sebak: "Applications of Polarization-Independent Frequency Selective Filters For Transmitarray Antennas," 

      2014 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting in Memphis, Tennessee, paper 1477, 2 pages, 2014.

82.  Osama Haraz Ayman Elboushi Abdel-Razik Sebak New Dense Dielectric Patch Array Antenna for Future 5G Short-Range Communications,

      16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), paper #20, 2 pages, 2014.

83.  A. Mehdipour, A.  Sebak, C.Trueman, I.Rosca, S.Hoa, T.Denidni, "Anisotropic/Isotropic Carbon-Fiber Nanocomposites for Emerging RF/Antenna/Microwave Applications"  

      16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), paper #10, 2 pages, 2014.

84.  Mu'ath Al-Hasan Tayeb Denidni Abdel-Razik Sebak, Mllimeter-Wave Hybrid Isolator for Mutual-Coupling Reduction Applications

      16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), paper #51, 2 pages,  2014.

85.  Issa Mohamed, Zouhair Briqech, Abdelrazik Sebak, High-Gain Dielectric-Loaded Antipodal Fermi Tapered Slot Antenna for MM-Wave Applications,

      16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), paper #17, 2 pages,  2014.

86.  Kiran Phalak, Zouhair Briquech, Abdelrazik Sebak, Surface Integrated Waveguide Fed Antipodal Fermi-Linear Tapered Slot Antenna at 28 GHz,

      16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), paper #47, 2 pages, 2014.

87.  Zouhair Briqech, Abdelrazik Sebak , Tayeb Denidni 60 GHz Dual-Polarized 1 x 4 Antipodal Fermi Tapered Slot Antenna Array,

      16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), paper #15, 2 pages, 2014.

88.  M. Ashraf, A. Sebak, Z. Alhekail, M Alkanhal, S Alshebeili,  "Ultra Wideband Phased Array Antenna Using Slow Wave Microstrip Dielectric Loaded Phase Shifters", 

     16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), paper #63, 2 pages,  2014.


   



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