A 20Gb/s 79.5mW 127GHz CMOS Transceiver with Digitally Pre-Distorted PAM-4 Modulation for Contactless Communications

📋 论文概要

该论文提出了一种基于127GHz CMOS收发器的20Gb/s PAM-4调制接触式通信系统，通过数字预失真技术克服了传统OOK/ASK调制带宽密度低、载波恢复困难及耦合器面积大的问题。

💡 主要创新点

• 首次在127GHz毫米波频段采用PAM-4调制实现20Gb/s高速接触式通信，显著提升带宽密度。
• 引入数字预失真技术补偿发射机非线性，提升PAM-4信号质量。
• 采用紧凑型耦合器设计，减小芯片间通信的物理占用面积。

🏷 关键词

📄 原文摘要

Taiwan 4 National Chiao Tung University, Hsinchu, Taiwan 1 2 Contactless chip-to-chip or board-to-board proximity (~1mm) communications have been realized by using either wireless transmission [1-3], or inductive/capacitive coupling schemes [4-6]. However, their practical deployments in consumer electronics are currently limited because of bandwidth-densityinefficient OOK/ASK-only modulations [1-3], process/voltage/temperature sensitive carrier-recovery-less coherent detection [1], and large coupler footprint (6~10mm2) for meeting bandwidth requirements [1], [4-6]. To overcome such challenges, the demonstrated contactless communication system employs a 127GHz CMOS transceiver to concurrently increase the coupling bandwidth and

👥 作者与机构

Yanghyo Kim1,2, Boyu Hu2, Yuan Du2, Adrian Tang1,2, Huan-Neng Chen3,

Chewnpu Jou3, Jason Cong2, Tatsuo Itoh2, Mau-Chung Frank Chang2,4 Jet Propulsion Laboratory, Pasadena, CA University of California, Los Angeles, CA 3 TSMC, Hsinchu,