Dynamic Hybrid Beamforming Design for Dual-Function Radar-Communication Systems

This paper investigates dynamic hybrid beamforming (HBF) for a dual-function radar-communication (DFRC) system, where the DFRC base station (BS) simultaneously serves multiple single-antenna users and senses a target in the presence of multiple clutters. Particularly, we apply a HBF architecture wit...

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Bibliographic Details
Published inIEEE transactions on vehicular technology Vol. 73; no. 2; pp. 2842 - 2847
Main Authors Wang, Bowen, Li, Hongyu, Cheng, Ziyang
Format Journal Article
LanguageEnglish
Published New York IEEE 01.02.2024
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Algorithms
Array signal processing
Beamforming
Clutter
Communications systems
Convexity
Dual-function radar-communication
dynamic subarrays
hybrid beamforming
Measurement
Optimization
Phase shifters
QoS-constraint
Quality of service
Radar
Radio frequency
Sensors
Vehicle dynamics
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Summary:This paper investigates dynamic hybrid beamforming (HBF) for a dual-function radar-communication (DFRC) system, where the DFRC base station (BS) simultaneously serves multiple single-antenna users and senses a target in the presence of multiple clutters. Particularly, we apply a HBF architecture with dynamic subarrays and double phase shifters in the DFRC BS. Aiming at maximizing the radar mutual information, we consider jointly designing the dynamic HBF of the DFRC system, subject to the constraints of communication quality of service (QoS), transmit power, and analog beamformer. To solve the complicated non-convex optimization, an efficient alternating optimization algorithm based on the majorization-minimization methods is developed. Simulation results verify the advancement of the considered HBF architecture and the effectiveness of the proposed design method.
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ISSN:0018-9545
1939-9359
DOI:10.1109/TVT.2023.3312759