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An electronically steerable parasitic array radiator antenna with adaptive beamforming ability.

Loh, T H; Cheadle, D (2017) An electronically steerable parasitic array radiator antenna with adaptive beamforming ability. In: 2017 International Workshop on Electromagnetics (iWEM), 30 May - 1 June 2017, London, UK.

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Abstract

Smart Antennas can adjust their radiation patterns adaptively to form maximum radiation towards the desired users and nulls towards the interference sources. This paper presents an assessment on the effectiveness of an adaptive beamforming algorithm for an electrically steerable parasitic array radiator (ESPAR) smart antenna system by comparing resultant radiation patterns after beamforming process, with and without a 10 dBm interference signal. An adaptive beamforming algorithm based on simultaneous perturbation stochastic approximation (SPSA) was implemented in a vector signal transceiver (VST) with real-time signal processing field-programmable gate array (FPGA)-based software defined radio (SDR) capability.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Keywords: Smart Antenna, Radiation Pattern, Testbed, Adaptive Beamforming Agorithm, Field-Programmable Gate Array
Subjects: Electromagnetics
Electromagnetics > Wireless Communications
Divisions: Engineering, Materials & Electrical Science
Identification number/DOI: 10.1109/iWEM.2017.7968802
Last Modified: 02 Feb 2018 13:12
URI: http://eprintspublications.npl.co.uk/id/eprint/7659

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