A Compact Mixer-First Receiver With >24 dB Self-Interference Cancellation for Full-Duplex Radios

被引：10
作者：
Agrawal, Gaurav [1 ]
Aniruddhan, Sankaran [1 ]
Ganti, Radha Krishna [1 ]
机构：
[1] Indian Inst Technol, Madras 600036, Tamil Nadu, India
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2016年 / 26卷 / 12期
关键词：
Full duplex (FD); interference cancellation; Mixer-first; receiver; self-interference (SI);
D O I：
10.1109/LMWC.2016.2623253
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This letter presents a single-channel full-duplex receiver with tunable self-interference (SI) cancelling capability through LO phase shifting. The receiver takes advantage of high linearity of the passive mixer-first architecture to eliminate SI without degrading sensitivity due to inter-modulation distortion. The proposed receiver exhibits a DSB noise figure of 8.6-12.5 dB over an operating frequency range of 800 MHz-1.7 GHz. It achieves >70.5 dB SINDR in 16.25 MHz RF signal bandwidth at -18 dBm input SI power. The receiver is implemented in a 130 nm CMOS process and occupies an area of 0.63 mm(2).
引用
收藏
页码：1005 / 1007
页数：3
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