The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 2020
Filed:
Oct. 27, 2017
Futurewei Technologies, Inc., Plano, TX (US);
Ping Yin, Greensboro, NC (US);
Robert Irvine, Greensboro, NC (US);
Seong-Mo Yim, Oak Ridge, NC (US);
Yusong Chi, Shanghai, CN;
Chengfang Liao, Shanghai, CN;
Feng Wang, Jamestown, NC (US);
Eric Sung, Greensboro, NC (US);
Futurewei Technologies, Inc., Plano, TX (US);
Abstract
A noise cancellation system comprises a first noise cancellation apparatus configured to process an I-channel signal, wherein an I-channel differential mode second-order intermodulation component and an I-channel common mode second-order intermodulation component cancel each other in the first noise cancellation apparatus and a second noise cancellation apparatus configured to process a Q-channel signal, wherein a Q-channel differential mode second-order intermodulation component and a Q-channel common mode second-order intermodulation component cancel each other in the second noise cancellation apparatus.