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Title: EBG enhanced broadband dual antenna configuration for passive self-interference suppression in full-duplex communications
Authors: Deo, Prafulla
Mirshekar-Syahkal, Dariush
Zheng, Gan
Keywords: Spiral antenna
Full-duplex system
Antenna isolation
Self-interference cancellation
Issue Date: 2018
Publisher: IEEE © EuMA
Citation: DEO, P., MIRSHEKAR-SYAHKAL, D. and ZHENG, G., 2018. EBG enhanced broadband dual antenna configuration for passive self-interference suppression in full-duplex communications. Presented at the 2018 15TH European Radar Conference (EuRAD), Madrid, Spain, 26-28 September 2018, pp.461-464.
Abstract: A full-duplex system is realised using dual EBG isolated rectangular spiral antennas and its performance is compared with the same full-duplex system using a circulator and a single spiral antenna element. The new antenna system consists of two antennas one with RHCP and the another one with LHCP implemented on a single substrate. Two columns of EBG is placed between the two antennas to improve the isolation. At the operating frequency of 3.2 GHz, the antenna configuration has nearly 31 dB isolation. For the identical baseband input power, the full-duplex system utilising dual spiral antenna configuration exhibits 9 dB higher isolation than the circulator based full-duplex system.
Description: IEEE © 2018 EuMA. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Sponsor: This work was supported by EPSRC (UK) under grants EP/N007840/1 and EP/N008219/1.
Version: Accepted for publication
DOI: 10.23919/EuRAD.2018.8546551
URI: https://dspace.lboro.ac.uk/2134/36746
Publisher Link: https://doi.org/10.23919/EuRAD.2018.8546551
ISBN: 9782874870538
Appears in Collections:Conference Papers and Presentations (Mechanical, Electrical and Manufacturing Engineering)

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