16QAM-LFM waveform design for integrated radar and communication

Hao ZENG; Lixia JI; Feng LI; Chuang LI

doi:10.11959/j.issn.1000-436x.2020050

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16QAM-LFM waveform design for integrated radar and communication

Correspondences | 更新时间：2024-06-05

- 16QAM-LFM waveform design for integrated radar and communication
- Journal on Communications Vol. 41, Issue 3, Pages: 182-189(2020)
- 作者机构：
  
  重庆大学微电子与通信工程学院，重庆 400044
- 作者简介：
- 基金信息：
  
  Thirteenth Five-Year National Defense Research Foundation(305010905)
- DOI：10.11959/j.issn.1000-436x.2020050
  CLC： TN957
- Online First：2020-03，
  
  Published：25 March 2020
- 稿件说明：
移动端阅览
Hao ZENG, Lixia JI, Feng LI, et al. 16QAM-LFM waveform design for integrated radar and communication[J]. Journal on Communications, 2020, 41(3): 182-189.
DOI：

Hao ZENG, Lixia JI, Feng LI, et al. 16QAM-LFM waveform design for integrated radar and communication[J]. Journal on Communications, 2020, 41(3): 182-189. DOI： 10.11959/j.issn.1000-436x.2020050.

摘要

设计了一种16QAM信号与LFM脉冲相结合的高阶雷达通信一体化波形，把LFM信号作为16QAM信号的载波，在不影响雷达基本功能的前提下实现高速率的通信。对16QAM-LFM这一新型一体化波形的性能分析和计算机仿真表明，在通信性能方面，该波形与 16QAM 信号的通信误码率特性相同，具有比 BPSK-LFM、MSK-LFM等低阶调制的一体化信号更高的频带利用率，比OFDM-LFM等高效率一体化信号更低的复杂度；在雷达性能方面，该波形因为其雷达模糊函数接近图钉型，具有比 LFM 信号更高的距离和速度分辨力，对低速目标的检测概率则相同。

Abstract

A kind of high-order integrated radar communication waveform pulse was proposed

which combined 16QAM and LFM together.The new waveform took LFM signal as the carrier of the 16QAM

so that high communication capacity was achieved and the radar performance was not impacted.The analysis and computer simulation for the 16QAM-LFM waveform show that the new waveform has the same bit error rate as the classic 16QAM signal and larger spectrum efficiency compared with the integrated waveforms such as BPSK-LFM and MSK-LFM.Furthermore

the computational complexity of 16QAM-LFM is less than the existing OFDM-LFM waveform.On the other hand

16QAM-LFM has higher distance resolution and speed resolution than the traditional LFM pulse signal since its ambiguity function looks like a thumb tack.And the detection probability of radar is similar as traditional LFM pulse signal for the slowly moving object.

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references

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