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.:

US 10938424 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 02, 2021

Filed:

Oct. 11, 2016
Applicant:

Intel Ip Corporation, Santa Clara, CA (US);

Inventors:

Christian Mayer, Linz, AT;

Jovan Markovic, Linz, AT;

Assignee:

Intel IP Corporation, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/00 (2006.01); H04B 1/40 (2015.01); H04L 25/08 (2006.01); H04B 1/04 (2006.01); H04B 1/525 (2015.01);
U.S. Cl.
CPC ...
H04B 1/0028 (2013.01); H04B 1/0475 (2013.01); H04B 1/40 (2013.01); H04L 25/08 (2013.01); H04B 1/525 (2013.01);
Abstract

A communication system receives an input signal along a signal processing path and generates a converted output signal via a digital-to-analog converter (DAC). The signal processing path branches into two different branches, a magnitude branch and a sign branch for different components of the baseband signal. A local oscillator (LO) provides a carrier signal to the signal processing path at the DAC and further generates an LO leakage signal comprising a signed LO leakage and an unsigned LO leakage during the up-conversion of signals of the sign branch with a carrier. An unsigned LO suppression component is configured to reduce or eliminate the unsigned LO leakage and a signed LO suppression component is configured to reduce or eliminate the signed LO leakage form a baseband signal of the signal processing path.


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