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- Title
Unimodular Waveform Design for the DFRC System with Constrained Communication QoS.
- Authors
Huang, Chao; Zhou, Qingsong; Huang, Zhongrui; Li, Zhihui; Xu, Yibo; Zhang, Jianyun
- Abstract
In this study, we investigated two waveform design problems for a dual-functional radar communication (DFRC) system, taking into consideration different constrained communication quality-of-service (QoS) requirements. Our objective was to minimize the mean-square error (MSE) of radar beampattern matching as the cost function. To this end, the multi-user interference (MUI) energy constraint and constructive interference (CI) constraint were, respectively, formulated to ensure the communication QoS. It is important to note that we designed a strict per-user MUI energy constraint at each sampling moment to achieve more accurate control over communication performance. Additionally, we introduced a constant-modulus constraint to optimize the efficiency of the radio frequency (RF) amplifier. To tackle the nonconvex waveform design problems encountered, we employed the alternative direction methods of multipliers (ADMM) technique. This allowed us to decompose the original problem into two solvable subproblems, which were then solved using the majorization–minimization (MM) method and geometrical structure. Finally, we obtained extensive simulation results which demonstrate the effectiveness and superiority of the proposed algorithm.
- Subjects
TELECOMMUNICATION systems; COST functions; RADIO frequency; MIMO radar; RADAR
- Publication
Remote Sensing, 2023, Vol 15, Issue 22, p5350
- ISSN
2072-4292
- Publication type
Article
- DOI
10.3390/rs15225350