Determination of Directivity and Gain for Improved Performance of Smart Antenna

Ayodele S. Oluwole(1*), Viranjay M. Srivastava(2)

(1) Howard College, University of KwaZulu-Natal, South Africa
(2) Howard College, University of KwaZulu-Natal, South Africa
(*) Corresponding author

DOI's assignment:
The DOI number for this article will be assigned as soon as the final version of the IRECAP Vol 7, No 4 (2017) issue will be available

Abstract


In wireless communication systems, smart antenna is designed to improve radiation in one direction and null out interference in other direction. This can be accomplished by increasing the directivity of the antenna which leads to gain in a specific direction. At high frequency, transmission of signals are characterized with signals impairments. Mitigation of these signal impairments can be accomplished through the improvement of directivity and gain of smart antenna system at terahertz frequency range. This research work proposed and examined smart antennas also known as adaptive array antennas at terahertz frequency range. The antenna is suitably operating in the range of 300 GHz to 3 THz for wireless local area network applications that uses high-frequency radio waves. The efficiency of this adaptive array antennas system has been optimized and simulated with the aid of commercially available full-wave, Finite Element Method (FEM) based electromagnetic simulator Agilent’s ADS (Advanced Design Software).
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Keywords


Smart Antenna; Wireless Communications System; Adaptive Arrays; Signal Transmission; Interference



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