A 29-to-36 GHz 4TX/4RX Dual-stream Phased-array Joint Radar-Communication CMOS Transceiver Supporting Centimeter-level 2D Imaging and 64-QAM OTA Wireless Link

2022 IEEE Radio Frequency Integrated Circuits Symposium (RFIC) Pub Date : 2022-06-19 DOI:10.1109/RFIC54546.2022.9863210

Fuyuan Zhao, W. Deng, Rui Wu, Haikun Jia, Qixiu Wu, Jihao Xin, Zhiyuan Zeng, Yanlei Li, Zhihua Wang, B. Chi

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引用次数: 2

Abstract

This paper introduces a Ka-band 4-channel dual-stream phased-array joint radar-communication transceiver for the future radar-communication integrated wireless system. In order to enhance the signal to noise and distortion ratio in low input signal region and reduce the chip area, a current-flopping bi-directional active mixer is proposed. A variable-transmission-line-based phase shifter with tilting structure is introduced to achieve wide-band phase shifting and mitigate the in-band loss fluctuation. The proposed transceiver is designed and implemented in a 65nm CMOS technology. The chip area is 16.2 mm2. The measured TX peak saturated output power is 19.9 dBm and the output 1 dB compression point is 17.4 dBm. The measured RX minimum noise figure is 4.8 dB. System measurement results indicates that the proposed transceiver supports real-time centimeter-level 2D imaging and 400-Msym/s 64-QAM over-the-air (OTA) wireless link.

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支持厘米级二维成像和64-QAM OTA无线链路的29 ~ 36 GHz 4TX/4RX双流相控阵联合雷达通信CMOS收发器

介绍了一种面向未来雷达通信集成无线系统的ka波段4通道双流相控阵联合雷达通信收发器。为了提高低输入信号区的信噪比和失真率，减小芯片面积，提出了一种双向甩流有源混频器。为了实现宽带移相，减小带内损耗波动，提出了一种基于可变传输线的倾斜结构移相器。该收发器采用65nm CMOS技术设计和实现。芯片面积为16.2 mm2。实测的TX峰值饱和输出功率为19.9 dBm，输出1db压缩点为17.4 dBm。测量到的RX最小噪声系数为4.8 dB。系统测量结果表明，该收发器支持实时厘米级二维成像和400-Msym/s 64-QAM OTA无线链路。

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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2022 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)

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