Low-Complexity Waveform Design for PAPR Reduction in Integrated Sensing and Communication Systems Based on ADMM

被引：2

作者：

Wu, Jinlong ^{[1
]}

Li, Lixin ^{[1
]}

Lin, Wensheng ^{[1
]}

Liang, Junli ^{[1
]}

Han, Zhu ^{[2
,3
]}

机构：

[1] Northwestern Polytech Univ, Sch Elect & Informat, Xian 710129, Shaanxi, Peoples R China

[2] Univ Houston, Dept Elect & Comp Engn, Houston, TX 77004 USA

[3] Kyung Hee Univ, Dept Comp Sci & Engn, Seoul 446701, South Korea

来源：

IEEE SENSORS JOURNAL | 2024年 / 24卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Peak to average power ratio; Symbols; Radar; Vectors; Sensors; Optimization; Radar detection; Alternating direction method of multipliers (ADMMs); integrated sensing and communication (ISAC); orthogonal frequency-division multiplexing (OFDM); peak-to-average power ratio (PAPR); waveform design; JOINT RADAR; LOW AUTOCORRELATION; OFDM; OPTIMIZATION; PERFORMANCE; SEQUENCES; POWER;

D O I：

10.1109/JSEN.2024.3392353

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

With the development of integrated sensing and communication (ISAC) systems, waveform design is currently attracting extensive attention. At the same time, subcarrier superposition can lead to the high peak-to-average power ratio (PAPR) problem in orthogonal frequency-division multiplexing (OFDM). Therefore, in this article, we investigate the low PAPR waveform design for OFDM-based ISAC systems. A weighted optimization problem with the constraint of zero integrated sidelobe level (ISL) is formulated with the aim of flexibly balancing between PAPR and communication performance and an alternating direction method of multipliers (ADMMs)-based algorithm is proposed to address this issue. Moreover, the nonlinear power amplifier is also considered to demonstrate the impact of PAPR on ISAC systems. Simulation results demonstrate that the proposed algorithm can effectively reduce the PAPR and achieve a performance trade-off between PAPR and communication performance.

引用

页码：18488 / 18498

页数：11

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