Tuesday, December 12, 2017 11:33:50 AM
Pan , et al. December 12, 2017
Method and apparatus for measuring and reporting a rank and a precoding matrix for multiple-input multiple-output communication
Abstract
A method and apparatus for measuring and reporting a rank and/or a precoding matrix for multiple-input multiple-output (MIMO) communication are disclosed. A metric indicating a channel condition is measured and a rank is selected based on the metric. The metric may be a signal-to-interference and noise ratio (SINR), throughput, a block error rate (BLER), system capacity, a sum rate, or the like. An SINR for each radio block group (RBG) for each rank is calculated. A data rate is calculated for each RBG based on the SINR for each rank. An overall rate for all RBGs is calculated for each rank. At least one rank is selected based on the overall rate. At least one precoding matrix may be selected jointly with or separately from the at least one rank.
Inventors:
Pan; Kyle Jung-Lin (Saint James, NY), Grieco; Donald M. (Manhasset, NY), Olesen; Robert L. (Huntington, NY)
Applicant:
Name
City
State
Country
Type
INTERDIGITAL PATENT HOLDINGS, INC.
Wilmington
DE
US
Assignee:
InterDigital Patent Holdings, Inc. (Wilmington, DE)
Family ID:
1000003005934
Appl. No.:
14/701,141
Filed:
April 30, 2015
Prior Publication Data
Document Identifier
Publication Date
US 20150236771 A1 Aug 20, 2015
Related U.S. Patent Documents
Application Number
Filing Date
Patent Number
Issue Date
13936954 Jul 8, 2013 9048903
13311110 Jul 9, 2013 8483085
12496129 Dec 6, 2011 8072899
61077620 Jul 2, 2008
61077709 Jul 2, 2008
Current U.S. Class: 1/1
Current CPC Class: H04B 7/0486 (20130101); H04W 72/0413 (20130101); H04L 5/0091 (20130101)
Current International Class: H04B 7/04 (20170101); H04L 5/00 (20060101); H04W 72/04 (20090101)
PPP
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