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Waveform Design for Joint Radar-Communications with Low Complexity Analog Components

Kaushik, A; Arora, A; Tsinos, C; Masouros, C; Liu, F; Chatzinotas, S; (2022) Waveform Design for Joint Radar-Communications with Low Complexity Analog Components. In: 2022 2nd IEEE International Symposium on Joint Communications and Sensing, JC and S 2022. IEEE: Seefeld, Austria. Green open access

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Abstract

In this paper, we aim to design an efficient and low hardware complexity based dual-function multiple-input multiple-output (MIMO) joint radar-communication (JRC) system. It is implemented via a low complexity analog architecture, constituted by a phase shifting network and variable gain amplifier. The proposed system exploits the multiple antenna transmitter for the simultaneous communication with multiple downlink users and radar target detection. The transmit waveform of the proposed JRC system is designed to minimize the downlink multi-user interference such that the desired radar beampattern is achieved and the architecture specific constraints are satisfied. The resulting optimization problem is non-convex and in general difficult to solve. We propose an efficient algorithmic solution based on the primal-dual framework. The numerical results show enhanced performance of the proposed approach when compared to existing state-of-the-art fully-digital method.

Type: Proceedings paper
Title: Waveform Design for Joint Radar-Communications with Low Complexity Analog Components
Event: 2022 2nd IEEE International Symposium on Joint Communications & Sensing (JC&S)
Dates: 9 Mar 2022 - 10 Mar 2022
ISBN-13: 9781665405799
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/JCS54387.2022.9743508
Publisher version: https://doi.org/10.1109/JCS54387.2022.9743508
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Joint radar-communications, MIMO, low hardware complexity, waveform design, phase shifter, primal-dual
UCL classification: UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL
URI: https://discovery.ucl.ac.uk/id/eprint/10150627
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