公开(公告)号：US10587349B2

公开(公告)日：2020-03-10

申请号：US15474243

申请日：2017-03-30

Applicant: Intel IP Corporation

Inventor： Ram Sunil Kanumalli ,  Andreas Mayer ,  Ahmed Elmaghraby ,  Mario Huemer ,  Burkhard Neurauter

IPC: H04L5/14 ,  H04B15/00 ,  H04B1/525 ,  H04L25/02 ,  H04B1/12

Abstract: A transceiver that implements a frequency domain cancellation of a transmit (Tx)-modulated spur associated with a transceiver is disclosed. The transceiver comprises a baseband receive (Rx) path configured to propagate a receive signal in frequency domain, associated with an Rx signal path of the transceiver, forming a baseband Rx signal, wherein the baseband Rx signal comprises a wanted Rx signal and an unwanted transmit (Tx) modulated spur. The transceiver further comprises a baseband Tx path configured to propagate a Tx signal in frequency domain, associated with the Tx signal path of the transceiver, thereby forming a baseband Tx signal. In addition, the transceiver comprises a cancellation circuit coupled to the baseband Rx path, configured to receive the baseband Rx signal and the baseband Tx signal, and generate a cancellation signal based thereon, in order to cancel the unwanted Tx modulated spur from the baseband Rx signal.

公开(公告)号：US20180287719A1

公开(公告)日：2018-10-04

申请号：US15474243

申请日：2017-03-30

Applicant: Intel IP Corporation

Inventor： Ram Sunil Kanumalli ,  Andreas Mayer ,  Ahmed Elmaghraby ,  Mario Huemer ,  Burkhard Neurauter

IPC: H04B15/00 ,  H04L5/14 ,  H04B1/525 ,  H04L25/02

Abstract: A transceiver that implements a frequency domain cancellation of a transmit (Tx)-modulated spur associated with a transceiver is disclosed. The transceiver comprises a baseband receive (Rx) path configured to propagate a receive signal in frequency domain, associated with an Rx signal path of the transceiver, forming a baseband Rx signal, wherein the baseband Rx signal comprises a wanted Rx signal and an unwanted transmit (Tx) modulated spur. The transceiver further comprises a baseband Tx path configured to propagate a Tx signal in frequency domain, associated with the Tx signal path of the transceiver, thereby forming a baseband Tx signal. In addition, the transceiver comprises a cancellation circuit coupled to the baseband Rx path, configured to receive the baseband Rx signal and the baseband Tx signal, and generate a cancellation signal based thereon, in order to cancel the unwanted Tx modulated spur from the baseband Rx signal.