Hybrid Beamforming With Double Phase Shifters in Millimetre Wave Dual-Functional Radar-Communication Systems

IF 0.7 4区 工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC
Guilu Wu, Xiangshuo Zhao, Haoyu Liu, Xianpeng Wang
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引用次数: 0

Abstract

In this letter, we propose a joint communication and sensing scheme in millimetre wave (mmWave) dual-functional radar-communication (DFRC) system. The hybrid beamforming communication and massive multiple-input multiple-output radar sensing technologies is adopted in the DFRC system. Given the optimal communication beamformer and the desired radar beampattern, we design the hybrid beamformer under non-convex double phase shifter structures and power constraints. The weighted summation of the communication and radar beamforming errors is minimised. To solve the non-convex optimisation problem, an efficient penalty dual decomposition method is presented to solve the problem based on alternating optimisation. Simulation results show that the proposed algorithm achieves a favourable performance trade-off between communication and sensing.

Abstract Image

毫米波双功能雷达通信系统中双移相器混合波束形成
在这封信中,我们提出了一种毫米波(mmWave)双功能雷达通信(DFRC)系统中的联合通信和传感方案。DFRC系统采用了混合波束形成通信和海量多输入多输出雷达传感技术。给出了最优通信波束形成器和期望的雷达波束方向图,在非凸双移相器结构和功率约束下设计了混合波束形成器。使通信和雷达波束形成误差的加权和最小。为了解决非凸优化问题,提出了一种基于交替优化的惩罚对偶分解方法。仿真结果表明,该算法在通信和感知之间实现了良好的性能平衡。
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来源期刊
Electronics Letters
Electronics Letters 工程技术-工程:电子与电气
CiteScore
2.70
自引率
0.00%
发文量
268
审稿时长
3.6 months
期刊介绍: Electronics Letters is an internationally renowned peer-reviewed rapid-communication journal that publishes short original research papers every two weeks. Its broad and interdisciplinary scope covers the latest developments in all electronic engineering related fields including communication, biomedical, optical and device technologies. Electronics Letters also provides further insight into some of the latest developments through special features and interviews. Scope As a journal at the forefront of its field, Electronics Letters publishes papers covering all themes of electronic and electrical engineering. The major themes of the journal are listed below. Antennas and Propagation Biomedical and Bioinspired Technologies, Signal Processing and Applications Control Engineering Electromagnetism: Theory, Materials and Devices Electronic Circuits and Systems Image, Video and Vision Processing and Applications Information, Computing and Communications Instrumentation and Measurement Microwave Technology Optical Communications Photonics and Opto-Electronics Power Electronics, Energy and Sustainability Radar, Sonar and Navigation Semiconductor Technology Signal Processing MIMO
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