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High isolation slot coupled antenna with integrated tunable self-interference cancellation (SIC) circuitry

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Nawaz, Haq and Gürbüz, Özgür and Tekin, İbrahim (2018) High isolation slot coupled antenna with integrated tunable self-interference cancellation (SIC) circuitry. Electronics Letters, 54 (23). pp. 1311-1312. ISSN 0013-5194 (Print) 1350-911X (Online)

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Official URL: http://dx.doi.org/10.1049/el.2018.6644

Abstract

This letter presents a high interport isolation, compact dual polarized slot coupled monostatic patch antenna with integrated tunable analog/RF self interference cancellation (SIC) circuitry for 2.4/2.5 GHz In Band Full Duplex (IBFD) wireless applications. The presented antenna deploys hybrid feeding for improved interport isolation through polarization diversity and integrated single-tap RF SIC circuitry provides additional isolation on top of antenna isolation. Brief mathematical description for deployed single-tap RF SIC is also presented. The implemented prototype of proposed antenna module provides around 80 dB interport isolation for 20 MHz bandwidth and better than 97 dB peak isolation when measured in lab in the presence of environmental reflections. Moreover, 20 MHz SIC bandwidth with 80 dB interport isolation can be tuned within antenna’s 10 dB return loss impedance bandwidth of 60 MHz.

Item Type:Article
Uncontrolled Keywords:electromagnetic wave polarisation; slot antennas; interference suppression; UHF antennas; radiofrequency interference; broadband antennas; antenna feeds; antenna radiation patterns; microstrip antennas; Band Full Duplex; polarisation diversity; integrated single-tap RF SIC circuitry; antenna isolation; antenna module; high isolation slot; integrated tunable self-interference cancellation circuitry; compact dual polarised slot; monostatic patch antenna; hybrid feeding; interport isolation; peak isolation; single-tap RF SIC; SIC bandwidth; integrated tunable analogue circuitry; RF self-interference cancellation circuitry; noise figure 80; 0 dB; noise figure 97; 0 dB; noise figure 10; 0 dB; bandwidth 20; 0 MHz; bandwidth 2; 4 GHz; bandwidth 2; 5 GHz; bandwidth 60; 0 MHz
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800-8360 Electronics
ID Code:37202
Deposited By:İbrahim Tekin
Deposited On:21 Aug 2019 22:40
Last Modified:21 Aug 2019 22:40

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