公开(公告)号：US20160352386A1

公开(公告)日：2016-12-01

申请号：US14722641

申请日：2015-05-27

Applicant: Broadcom Corporation

Inventor： Alex MIRZAEI ,  Hooman Darabi

IPC: H04B1/48

CPC classification number: H04B1/525

Abstract: The present disclosure is directed to an apparatus and method for cancelling self-interference caused by full-duplex communication. In a full-duplex communication device, the receiver will generally experience significant self-interference from the full-duplex communication device's own transmitter transmitting a strong outbound signal over the same channel that the receiver is to receive a weak inbound signal. The apparatus and method are configured to adjust a phase and gain of the outbound signal provided at the output of a power amplifier (PA) and inject the phase and gain adjusted outbound signal at the input of a low-noise amplifier (LNA) to cancel the interference from the outbound signal in the inbound signal.

Abstract translation: 本公开涉及一种用于消除由全双工通信引起的自身干扰的装置和方法。 在全双工通信设备中，接收机通常将经受来自全双工通信设备本身的发射机的显着的自身干扰，该发射机在接收机接收弱入站信号的相同信道上发送强出站信号。 该装置和方法被配置为调节在功率放大器（PA）的输出处提供的出站信号的相位和增益，并且在低噪声放大器（LNA）的输入处注入相位和增益调整的出站信号以取消 来自入站信号的出站信号的干扰。