Volume 11 Issue 2
Apr.  2022
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MA Dingyou, LIU Xiang, HUANG Tianyao, et al. Joint radar and communications: Shared waveform designs and performance bounds[J]. Journal of Radars, 2022, 11(2): 198–212. doi: 10.12000/JR21146
Citation: MA Dingyou, LIU Xiang, HUANG Tianyao, et al. Joint radar and communications: Shared waveform designs and performance bounds[J]. Journal of Radars, 2022, 11(2): 198–212. doi: 10.12000/JR21146
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Joint Radar and Communications: Shared Waveform Designs and Performance Bounds

DOI: 10.12000/JR21146

  • Department of Electronic Engineering, Tsinghua University, Beijing 100084, China

Funds:  The National Natural Science Foundation of China (61801258, 62171259)
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  • Corresponding author: LIU Yimin, yiminliu@tsinghua.edu.cn
  • Received Date: 2021-10-07
  • Accepted Date: 2022-01-11
  • Rev Recd Date: 2022-01-07
    • Available Online: 2022-01-19
  • Publish Date: 2022-03-03
    Abstract
  • Radar and communication systems are hosted on the same platform in many civilian and military applications. Traditionally, radar and communication systems are separately designed, which increases the system size, cost, and power consumption, and decreases the electromagnetic compatibility. Joint radar and communication designs, which have drawn much attention from both the academic and industrial circles, overcome these problems by implementing radar and communication systems using the same hardware. Joint radar and communications systems can be realized by resource allocation and waveform sharing. Waveform sharing schemes have become popular in recent years because they have higher spectral and power efficiency and can fundamentally avoid interference between the different systems. This paper studies the existing strategies of shared waveforms for joint radar and communications systems. The existing strategies are divided into three categories, namely: the communication waveform-based approaches, the radar waveform-based methods, and the joint design schemes. The performance bounds of the joint radar and communication systems are also reviewed to reveal the trade-off between the performance metrics of radar and communications in these systems. The potential for future research into joint radar and communication designs is also discussed.

     

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