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 8831080 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 09, 2014

Filed:

Oct. 01, 2012
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventor:

Ankit Gupta, Redmond, WA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 3/46 (2006.01); H04B 17/00 (2006.01); H04Q 1/20 (2006.01); H04B 7/04 (2006.01); H04B 7/06 (2006.01);
U.S. Cl.
CPC ...
H04B 7/0632 (2013.01); H04B 7/0639 (2013.01); H04B 7/0417 (2013.01); H04B 7/063 (2013.01);
Abstract

A receiver in a multiple input, multiple output (MIMO) system is configured to perform a method for generating channel quality feedback information. The method includes receiving, from a MIMO transmitter, pilot signals in each MIMO layer. The method also includes estimating the MIMO channel using the received pilot signals and performing a QR decomposition of the estimated MIMO channel. The method further includes predicting a probability of error for each MIMO layer after the QR decomposition of the estimated MIMO channel. The method still further includes determining a corresponding signal-to-noise ratio (SNR) for each MIMO layer based on the probability of error for the each MIMO layer.


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Gupta, Ankit. (2014). Apparatus and method for channel quality feedback with a k-best detector in a wireless network (U.S. Patent No. 8831080). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8831080

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