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本文提出了一款140GHz CMOS全双工收发器，通过集成自干扰消除天线和双极化超表面，实现了>49dB的自干扰抑制和26.8dBm的EIRP，并演示了16Gb/s 16QAM同时双向通信，达到了全双工双模收发器的最高数据率。
Abstract This paper presents a 140GHz CMOS transceiver for both full-duplex and frequency-division duplex communication. By proposing self-interference (SI)-cancelling antenna and dualpolarized metasurface, the design achieves measured EIRP of 26.8dBm and SI suppression of >49dB, therefore providing enough SINR for transceivers. A 16Gb/s 16QAM simultaneous bidirectional communication over 1m is demonstrated, achieving the highest data rate reported for full-duplex dual-mode transceivers in the Figure 5.4.6 comparison table. A full-duplex (FD) terahertz (0.1-to-10THz) transceiver (TRX) is very promising to efficiently support emerging 6G application scenarios including immersive holographic communications, collaborative industrial robotics, tactile internet, etc. However, an FD THz transceiver seriously suffers from the strong self-interference (SI) from the local transmitter (TX) to the co-located receiver (RX), which severely degrades RX performances and even
Jiawei Yang1,2, Yizhu Shen1,2, Shizhe Xu1, Zhongyuan Zhang1, Zhen Lin1,2, Yifan Ding1, Yun Qian1, Jiapeng Wan1, Yuancheng Cai2, Min Zhu1,2, Sanming Hu1,2
Southeast University, Nanjing, China, 2Purple Mountain Laboratories, Nanjing, China