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. 09, 2018

Filed:

Aug. 10, 2016
Applicant:

Zte Canada Inc., Toronto, CA;

Inventors:

Yiwen Liu, Waterloo, CA;

Dayong Chen, Kitchener, CA;

Assignee:

ZTE Canada Inc., Toronto, Ontario, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2018.01); H04B 17/318 (2015.01); H04B 7/0413 (2017.01);
U.S. Cl.
CPC ...
H04B 17/318 (2015.01); H04B 7/0413 (2013.01);
Abstract

A method includes estimating spatial signatures of the signal and interference data streams, forming a composite channel matrix comprising all or a subset of estimated spatial signatures, performing QR decomposition (QRD) of channel matrix with different spatial orderings, selecting the stream with the largest post-detection signal-to-interference-plus-noise ratio (SINR) based on the elements of the R matrices from different QRD processes, pre-processing received signal using the Q matrix corresponding to the spatial ordering with the largest SINR, demodulating the strongest stream using single-stream sliced maximum likelihood (SSS-ML) method, cancelling the strongest stream and demodulating the remaining weaker streams using low-complexity MMSE method.


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