Self-Interference Channel Characterization for Reconfigurable Antenna Based Systems

Sergey Shaboyan, Alireza S. Behbahani, Ahmed M. Eltawil

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents experimental characterization of the self-interference (SI) channel for In-Band Full-Duplex (IBFD) communication systems that employ beam steering, Multi reconfigurable antennas (MRA), for passive SI suppression. First, we describe a system model of a full-duplex base station while highlighting channel impairments associated with each signal component. We present the SI channel power delay profiles measured by IBFD system operating on 5MHz, 10MHz and 20MHz bandwidths. We compare the measurements for beam patterns that result in line of sight suppression (and non-suppression) in both static and dynamic environments. We then statistically model the SI channel by performing probability distribution fitting to SI channel data, which is collected in dynamic environment, under high and low SI suppression conditions provided by MRA. Finally, candidate probability distribution models are compared using goodness of fit test.
Original languageEnglish (US)
Title of host publication2019 53rd Asilomar Conference on Signals, Systems, and Computers
PublisherIEEE
Pages1154-1158
Number of pages5
ISBN (Print)9781728143002
DOIs
StatePublished - Mar 31 2020

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