Effect of Phase Noise in FMCW and PMCW Radar Systems for Breast Cancer Detection

2023 IEEE Radio and Wireless Symposium (RWS) Pub Date : 2023-01-22 DOI:10.1109/RWS55624.2023.10046294

M. Maier, Finn-Niclas Stapelfeldt, V. Issakov

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Abstract

In this paper the effect of local oscillator (LO) phase noise on the performance of FMCW and PMCW radar systems for breast cancer detection is examined. For this purpose, a complete system level simulation based on the workflow shown in Fig. 1 is carried out. The special feature of this system level design approach is that in the system simulation a complete setup with transmitting and receiving antenna, skin, fat and tumorous tissues is simulated using a 3D electromagnetic (EM) field solver. As a result, the system simulation also takes into account effects such as the near-field characteristics of the antennas that are not included in classic approaches. To investigate the influence of phase noise, a noisy LO signal is used as the input for the system simulation. This allows comparison of the results when using a perfect LO signal or a noisy LO signal. The system simulation is carried out for a FMCW radar system operating from 14 to 27 GHz and a PMCW radar system at 20 GHz. To the authors best knowledge this is the first statistical approach to model phase noise in the time domain for FMCW and PMCW radar systems.

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相位噪声对FMCW和PMCW雷达系统乳腺癌检测的影响

本文研究了本振相位噪声对FMCW和PMCW乳腺癌检测雷达系统性能的影响。为此，基于图1所示的工作流程进行了完整的系统级仿真。这种系统级设计方法的特点是，在系统仿真中，使用三维电磁场求解器模拟了包含发射和接收天线、皮肤、脂肪和肿瘤组织的完整设置。因此，系统仿真还考虑了经典方法中未包括的天线近场特性等影响。为了研究相位噪声的影响，采用带噪声的本征信号作为系统仿真的输入。这样就可以比较使用完美LO信号和噪声LO信号时的结果。对工作频率为14 ~ 27 GHz的FMCW雷达系统和工作频率为20 GHz的PMCW雷达系统进行了系统仿真。据作者所知，这是FMCW和PMCW雷达系统在时域建模相位噪声的第一个统计方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2023 IEEE Radio and Wireless Symposium (RWS)

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