Photonic Millimeter-Wave Joint Radar Communication System Using Spectrum-Spreading Phase-Coding

被引：51

作者：

Bai, Wenlin ^{[1
]}

Zou, Xihua ^{[1
]}

Li, Peixuan ^{[1
]}

Ye, Jia ^{[1
]}

Yang, Yang ^{[2
]}

Yan, Li ^{[3
]}

Pan, Wei ^{[1
]}

Yan, Lianshan ^{[1
]}

机构：

[1] Southwest Jiaotong Univ, Ctr Informat Photon & Commun, Sch Informat Sci & Technol, Chengdu 611756, Peoples R China

[2] Southwest Jiaotong Univ, Sch Math, Chengdu 611756, Peoples R China

[3] Southwest Jiaotong Univ, Key Lab Informat Coding & Transmiss, Chengdu 611756, Peoples R China

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2022年 / 70卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Anti-jamming communication; joint radar and communication (JRC); millimeter-Wave (mm-Wave); photonics; spectrum-spreading phase-coding; CODED MICROWAVE SIGNAL; GENERATION; MODULATION; DESIGN;

D O I：

10.1109/TMTT.2021.3138069

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：

A novel millimeter-Wave (mm-Wave) joint radar and communication (JRC) system based on photonic spectrumspreading phase-coding is proposed. The key to the proposed system is the convergence of photonic microwave phase-coding and spectrum-spreading multiplexing techniques. Phase-coding enables the generation of wideband mm-Wave JRC signal, leading to both high range resolution (<3.5 cm) for radar detection and high capacity (>1 Gb/s) for wireless communication. The spectrum-spreading multiplexing orthogonalizes the radar signal and communication data, highly reducing mutual interferences. In addition, the spectrum-spreading multiplexing is able to improve both peak sidelobe ratio (PSR) for radar and anti-jamming/anti-noise performance for communication. In the proof-of-concept experiments, a JRC phase-coding signal at 35 GHz is generated. For a 5-Gb/s coding rate, the signal-to-noise ratio (SNR) margin is improved by around 13.8 dB for wireless communication below the pre-forward error correction (FEC) limit, while the PSR reaches similar to 12 dB for radar. Moreover, the impact of spreading gain on the communication capacity has been discussed, revealing that an optimized spreading gain should be set to balance the radar and communication performances.

引用

页码：1552 / 1561

页数：10

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