Zobrazeno 1 - 10
of 36
pro vyhledávání: '"M. Farhan Shafique"'
Autor:
Fatima Amin, Rashid Saleem, Tayyab Shabbir, Sabih ur Rehman, Muhammad Bilal, M. Farhan Shafique
Publikováno v:
Applied Sciences, Vol 9, Iss 11, p 2371 (2019)
This research work proposes a compact four-port multiple-input multiple-output (MIMO) antenna that operates in the whole license free ultra-wideband (UWB) spectrum of 3.1−10.6 GHz. Spatial diversity has been introduced by arranging these antennas i
Externí odkaz:
https://doaj.org/article/6526521c203c462fa76de2826a51468c
Publikováno v:
Wireless Personal Communications. 117:405-416
This paper proposes a miniaturized, polarization independent and dual band frequency selective surface (FSS) based electromagnetic shield. A corrugated FSS and zigzag square ring (ZSR) are arranged in back-to-back configuration over single-layered lo
Publikováno v:
Applied Computational Electromagnetics Society. 36:1108-1111
A low-profile electronically reconfigurable WLAN band-notched dual port multiple-input multipleoutput (MIMO) antenna design for ultra-wideband applications has been presented. Antenna elements exhibit good impedance match (S11 ≤ -10 dB) over entire
Publikováno v:
ECS Journal of Solid State Science and Technology. 8:N13-N19
Autor:
Muhammad Bilal, Tayyab Shabbir, Syed Muzahir Abbas, Mohammad Tariqul Islam, Asim Quddus, M. Farhan Shafique, Rashid Saleem
Publikováno v:
2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting.
In this paper, a reflectarray antenna consists of an offset-fed is designed for Ku-band applications. The unit cell comprises of modified cross-shaped element along with quad-circular delay-lines. The dimensions of delay-lines are varied to obtain th
Publikováno v:
2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting.
A compact $1\times 2$ millimeter wave (mm-Wave) antenna array for 5G communication is presented in this work. The antenna is impedance matched over frequency range of 24–28 GHz. The design employs a low-loss Rogers RT 5880 laminate having 0.508 mm
Autor:
M. Farhan Shafique, Syed Muzahir Abbas, Tayyab Shabbir, Asim Quddus, Muhammad Bilal, Rashid Saleem
Publikováno v:
2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting.
In this paper a miniaturized ultrawideband multiple-input multiple-output (MIMO)/diversity antenna with fixed and reconfigurable band-stop/notch functionality is presented. The proposed MIMO elements exhibit an impedance match $\vert \mathrm{S}_{11}\
Publikováno v:
AEU - International Journal of Electronics and Communications. 143:154038
This work reports on an Active Meta-Surface (AMS) that is capable of switching between the two WLAN bands at 2.4 GHz and 5.0 GHz. The switching is carried out in real-time electronically with the help of PIN diodes. The unit element of the surface is
Publikováno v:
Microwave and Optical Technology Letters. 60:2625-2629
Publikováno v:
Microelectronics Journal. 80:75-80
A compact and electronically tunable substrate integrated waveguide cavity resonator is presented in this work. The SIW cavity resonator is loaded symmetrically with stubs on the two sides which are terminated through varactors. By changing the capac