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:
Mar. 10, 2015
Filed:
Jun. 10, 2013
Applicant:
Nec Laboratories America, Inc., Princeton, NJ (US);
Inventors:
Mohammad Ali Khojastepour, North Brunswick, NJ (US);
Xiaodong Wang, New York, NY (US);
Mohammad Madihian, Plainsboro, NJ (US);
Assignee:
NEC Laboratories America, Inc., Princeton, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04J 1/00 (2006.01); H04B 7/04 (2006.01);
U.S. Cl.
CPC ...
H04B 7/0456 (2013.01); H04B 7/043 (2013.01); H04B 7/0478 (2013.01);
Abstract
A method implemented in a mobile communications system for data transmission is disclosed. The method includes selecting a set of parallel channels, determining transmission rank, and determining a precoding matrix of the transmission rank for the set of parallel channels, wherein the precoding matrix is formed by applying householder transformation to a vector to make a matrix and selecting one or more columns from the matrix. Other methods and apparatuses also are disclosed.