Journal ArticleDOI
An Integrated Tri-Band/UWB Polarization Diversity Antenna for Vehicular Networks
M. Gulam Nabi Alsath,Henridass Arun,Yogeshwari Panneer Selvam,Malathi Kanagasabai,Saffrine Kingsly,Sangeetha Subbaraj,Ramprabhu Sivasamy,Sandeep Kumar Palaniswamy,Rajesh Natarajan +8 more
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TLDR
The design, fabrication, and testing of an integrated polarization diversity antenna array for maximizing the wireless channel link in vehicular networks and performance metrics such as envelope correlation coefficient, diversity gain, and mean effective gain under isotropic, indoor, and outdoor conditions are evaluated and presented.Abstract:
The design, fabrication, and testing of an integrated polarization diversity antenna array for maximizing the wireless channel link in vehicular networks are presented in this paper. The diversity antenna is constructed using unit cell radiators that provide two operating modes. The mode transition is achieved using a pair of PIN diodes. In one state, the antenna provides multiband operation centered at 2.4, 3.5, and 5.8 GHz. In the other state, the antenna covers the entire ultra-wideband (UWB) spectrum. The unit cell radiators are distributed in the horizontal and vertical plane to achieve polarization diversity. Apart from offering a polarization diversity antenna, the orientation of antennas offers a reliable link with the communication devices. The prototype antenna array is fabricated and tested for diversity performance. The performance metrics such as envelope correlation coefficient, diversity gain, and mean effective gain under isotropic, indoor, and outdoor conditions are evaluated and presented.read more
Citations
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Journal ArticleDOI
Eight-Element Compact UWB-MIMO/Diversity Antenna With WLAN Band Rejection for 3G/4G/5G Communications
Muhammad Saeed Khan,Adnan Iftikhar,Raed M. Shubair,Antonio-D. Capobianco,Benjamin D. Braaten,Dimitris E. Anagnostou +5 more
TL;DR: The design meets the target specifications over the entire bandwidth of 2 to 12 GHz with a reflection coefficient better than −10 dB, isolation more than 17 dB, low envelope correlation, low gain variation, stable radiation pattern, and strong rejection of the signals in the Wireless Local Area Network (WLAN) band.
Journal ArticleDOI
Planar Four-Port Dual Circularly-Polarized MIMO Antenna for Sub-6 GHz Band
TL;DR: Two configurations (Config.-A and Config.-B) of planar four-port dual circularly-polarized (CP) multiple-input-multiple-output (MIMO) antenna are proposed for sub-6 GHz applications and exhibit good impedance matching in the band of interest.
Journal ArticleDOI
Multibeam Dual-Circularly Polarized Reflectarray for Connected and Autonomous Vehicles
Qi Luo,Steven Gao,Wenting Li,Mohammed Sobhy,Ioanna Bakaimi,C. H. Kees de Groot,Brian E. Hayden,Ian M. Reaney,Xue-Xia Yang +8 more
TL;DR: A simple but effective polarization suppression technique is introduced to suppress cross polarizations at large scan angles so the CP beam of the reflectarray can be configured to point at large angles.
Journal ArticleDOI
A Single-Layer 10–30 GHz Reflectarray Antenna for the Internet of Vehicles
TL;DR: In this article , a novel ultra-wideband (UWB) reflectarray antenna for the Internet of Vehicles (IoV) is introduced, which achieves a remarkable radiation pattern bandwidth of 20 GHz, ranging from 10 GHz to 30 GHz.
References
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Journal ArticleDOI
Exact representation of antenna system diversity performance from input parameter description
TL;DR: In this article, a simple formulation to compute the envelope correlation of an antenna diversity system is derived, which does not require the computation nor the measurement of the radiation pattern of the antenna system.
Journal ArticleDOI
Angular power distribution and mean effective gain of mobile antenna in different propagation environments
TL;DR: The results show that in non-line-of-sight situations, the power distribution in elevation has a shape of a double-sided exponential function, with different slopes on the negative and positive sides of the peak.
Journal ArticleDOI
Compact UWB Monopole Antenna for Automotive Communications
TL;DR: In this paper, a bandwidth-enhanced, compact, monopole antenna with modified ground plane for modern automotive ultra wideband (UWB) applications is presented, where the ground plane of the fundamental radiator is curved and defected to improve the VSWR bandwidth.
Journal ArticleDOI
A Cognitive Radio Reconfigurable MIMO and Sensing Antenna System
TL;DR: In this paper, a planar, compact, single-substrate, multiband, frequency-reconfigurable multiple-input-multiple-output (MIMO) antenna system is presented.
Journal ArticleDOI
Multiband Antenna for WiFi and WiGig Communications
Dian Wang,Chi Hou Chan +1 more
TL;DR: This letter presents a low-cost printed circuit board (PCB)-based dual-band antenna for future wireless local area network (WLAN) applications that is designed to fully cover both WiFi channels and Wireless Gigabit Alliance channels.