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.

Date of Patent:
Oct. 11, 2022

Filed:

Jan. 20, 2021
Applicant:

Kumu Networks, Inc., Sunnyvale, CA (US);

Inventors:

Mayank Jain, Sunnyvale, CA (US);

Wilhelm Steffen Hahn, Sunnyvale, CA (US);

Jung-Il Choi, Sunnyvale, CA (US);

Jeffrey Mehlman, Sunnyvale, CA (US);

Assignee:

Kumu Networks, Inc., Sunnyvale, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 15/02 (2006.01); H04B 1/525 (2015.01); H04L 5/14 (2006.01);
U.S. Cl.
CPC ...
H04B 15/02 (2013.01); H04B 1/525 (2013.01); H04L 5/14 (2013.01);
Abstract

A system for enhancing isolation in coexisting time-division duplexed (TDD) transceivers includes: a blocker canceller that transforms a transmit signal of a TDD transceiver into a blocker cancellation signal configured to remove transmit-band interference in a receive signal; a first filter that filters the blocker cancellation signal; a second filter that filters the transmit signal; and a transmit-noise canceller that transforms the filtered transmit signal into a transmit noise cancellation signal configured to remove receive-band interference in the receive signal.


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