公开(公告)号：US09831898B2

公开(公告)日：2017-11-28

申请号：US13801130

申请日：2013-03-13

Applicant: Analog Devices Global

Inventor： Patrick Pratt ,  Peadar Antony Forbes ,  David J. McLaurin ,  Martin McCormick

IPC: H04B1/00 ,  H04B1/04 ,  H04B1/525

CPC classification number: H04B1/0475 ,  H04B1/525

Abstract: Transmitter noise cancellation may be applied on a channel by channel basis to active channels of an incoming radio frequency signal received at a receiver. A noise cancellation filter may be provided for each active channel in a predetermined signal band. Applying noise cancellation on a per active channel basis instead of to the entire receive band may substantially reduce the filtering requirement and number of filter coefficients or taps to save power and reduce manufacturing costs. Channelized transmitter noise cancellers, multi transmitter-receiver cross coupling cancellers, and hybrid full signal band and channelized transmitter noise cancellers are also provided.

公开(公告)号：US20180062675A1

公开(公告)日：2018-03-01

申请号：US15801874

申请日：2017-11-02

Applicant: Analog Devices Global

Inventor： Patrick Pratt ,  Peadar Antony Forbes ,  David J. McLaurin ,  Martin McCormick

IPC: H04B1/04

CPC classification number: H04B1/0475 ,  H04B1/525

Abstract: Transmitter noise cancellation may be applied on a channel by channel basis to active channels of an incoming radio frequency signal received at a receiver. A noise cancellation filter may be provided for each active channel in a predetermined signal band. Applying noise cancellation on a per active channel basis instead of to the entire receive band may substantially reduce the filtering requirement and number of filter coefficients or taps to save power and reduce manufacturing costs. Channelized transmitter noise cancellers, multi transmitter-receiver cross coupling cancellers, and hybrid full signal band and channelized transmitter noise cancellers are also provided.