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Multiple IRS-Assisted Wideband Dual-Function Radar-Communication
WEI, Tong; WU, Linlong; MYSORE RAMA RAO, Bhavani Shankar
20222022 2nd IEEE International Symposium on Joint Communications & Sensing (JC&S)
Peer reviewed
 

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Keywords :
Dual-function radar-communications; intelligent reflecting surfaces; non-line-of-sight path; wideband beamforming; Dual function; Dual-function radar-communication; Intelligent reflecting surface; Line-of-sight paths; Non-line-of-sight path; Nonline of sight; Radar communication; Reflecting surface; Wide-band; Wideband beam forming; Instrumentation; Computer Networks and Communications; Signal Processing
Abstract :
[en] We propose a novel dual-function radar-communications (DFRC) system that relies on multiple intelligent reflecting surfaces (IRSs) to enhance detection of non-line-of-sight (NLoS) targets. In particular, we consider a wideband OFDM transmit signal for which we jointly design the frequency-dependent beamforming and phase shifts to maximize the average SINR of radar and the minimal communication SINR among all users. We solve the resulting highly nonconvex problem comprising maximin objective function with a difference of convex (DC) constraint through an alternating maximization (AM) framework of alternating direction method of multipliers (ADMM) and Dinkelbach's method. Numerical experiments demonstrate that the proposed method with multiple IRS can achieve 3.3 dB radar SINR enhancement and 0.9 dB minimal communication SINR improvement compared with single IRS scenario.
Disciplines :
Electrical & electronics engineering
Author, co-author :
WEI, Tong ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SPARC
WU, Linlong  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SPARC
MYSORE RAMA RAO, Bhavani Shankar  ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SPARC
External co-authors :
no
Language :
English
Title :
Multiple IRS-Assisted Wideband Dual-Function Radar-Communication
Publication date :
09 March 2022
Event name :
2022 2nd IEEE International Symposium on Joint Communications & Sensing (JC&S)
Event place :
Seefeld, Aut
Event date :
09-03-2022 => 10-03-2022
By request :
Yes
Peer reviewed :
Peer reviewed
FnR Project :
SPRINGER Project, ref 12734677
Funders :
Luxembourg National Research Fund (FNR)
Funding text :
This work was supported by the Luxembourg National Research Fund (FNR) through the SPRINGER Project, ref 12734677.
Available on ORBilu :
since 23 November 2023

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