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:
May. 23, 2017
Filed:
Dec. 04, 2015
Applicant:
Uurmi Systems Pvt Ltd, Telangana, IN;
Inventors:
Nanda Kishore Chavali, Telangana, IN;
Anvesh Reddy Yalla, Telangana, IN;
Assignee:
UURMI SYSTEMS PVT. LTD., Telangana, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 27/00 (2006.01); H04L 27/06 (2006.01); H04B 7/0456 (2017.01); H04L 5/00 (2006.01); H04L 1/00 (2006.01); H04B 1/7105 (2011.01);
U.S. Cl.
CPC ...
H04B 7/0456 (2013.01); H04B 1/71057 (2013.01); H04L 1/0054 (2013.01); H04L 5/0007 (2013.01);
Abstract
A method and a communication receiver have been described for calculating log-likelihood ratios in a communication receiver. The log-likelihood ratio is calculated for each bit of one or more subsymbols of each of the one or more spatial streams by computing effective noise on one or more spatial streams after considering noise terms resulting from MIMO detection estimates of the subsymbols on each spatial stream. Finally, signal to noise ratio is determined for one or more spatial streams from the effective noise and scaling bit log-likelihood ratios with the signal to noise ratio.