A 79-GHz 2x2 MIMO PMCW Radar SoC in 28-nm CMOS
A 79-GHz 2x2 MIMO PMCW Radar SoC in 28-nm CMOS
复制标题
DOI：
10.1109/jssc.2017.2723499
复制
发表时间：
2017-10-01
影响因子：
5.4
通讯作者：
Van Thillo, Wim
中科院分区：
文献类型：
--
作者：
Guermandi, Davide;Shi, Qixian;Van Thillo, Wim
本文阐述了相位调制MIMO雷达的概念，并用一个28 nm的CMOS79 GHz雷达SoC进行了验证。它包括两个发射器、两个接收器和毫米波频率产生。接收器的输出由片上ADC数字化，并由定制设计的数字核心进行处理，该数字核心与传输中使用的伪随机序列执行相关和累加。SoC的功耗为1W，可实现7.5厘米的量程分辨率。带有天线的模块允许在2x2码域MIMO操作中在+/-60度仰角和方位扫描上实现5度分辨率。4x4 MIMO系统还通过安装在同一模块上的两个SoC进行了演示。
In this paper, the concept of phase modulated MIMO radars is explained and demonstrated with a 28-nm CMOS fully integrated 79-GHz radar SoC. It includes two transmitters, two receivers, and the mm-wave frequency generation. The receivers' outputs are digitized by on-chip ADCs and processed by a custom designed digital core, which performs correlation and accumulation with a pseudorandom sequence used in transmission. The SoC consumes 1 W to achieve 7.5 cm range resolution. A module with antennas allows for 5 degrees resolution over +/- 60 degrees elevation and azimuth scan in 2x2 code domain MIMO operation. A 4x4 MIMO system is also demonstrated by means of two SoCs mounted on the same module.