← 返回 JSSC 论文列表JSSC 2015第12期RF & Wireless
An In-Band Full-Duplex Radio Receiver With a Passive V ector Modulator Downmixer
提出一种使用无源矢量调制器的全双工无线电接收机，实现高达27 dB的自干扰消除。
71.5 dB SINDR, 16.25 MHz BW
全双工自干扰消除矢量调制器模拟基带高线性混频器
▸使用无源矢量调制器实现自干扰消除
▸在模拟基带进行自干扰消除以避免自阻塞
▸高线性混频器降低自干扰引起的失真
Abstract
In-band full-duplex (FD) wireless, i.e., simultaneous
transmission and reception at the same frequency, introduces
strong self-interference (SI) that masks the signal to be received.
This paper proposes a receiver in which a copy of the transmit
signal is fed through a switched-resistor vector modulator (VM)
that provides simultaneous downmixing, phase shift, and ampli-
tude scaling and subtracts it in the analog baseband for up to
27 dB SI-cancellation. Cancelling before active baseband ampli-