United States Patent 9,960,935
Pan , et al. May 1, 2018
Hybrid dedicated reference signal method and system
Abstract
The transmission and decoding of resource blocks (RBs) transmitted via a multiple-input multiple-output (MIMO) antenna having a plurality of transmit antennas is disclosed. Each RB includes a plurality of resource elements (REs). Each RE is reserved for one of a common reference signal (CRS) associated with one of the transmit antennas, a dedicated reference signal (DRS) including a single beamformed or precoded pilot, a DRS including a composite beamformed or precoded pilot, and a data symbol. Each RB may include a "control type" data symbol that indicates a DRS mode associated with the RB. In one DRS mode, each DRS includes a single beamformed or precoded pilot. In another DRS mode, each DRS includes a composite beamformed or precoded pilot. In yet another DRS mode, single beamformed or precoded pilots, and composite beamformed or precoded pilots, may coexist and be transmitted simultaneously within the same RBs or in different RBs.
Inventors:
Pan; Kyle Jung-Lin (Saint James, NY), Grieco; Donald M. (Manhasset, NY)
Applicant:
Name
City
State
Country
Type
INTERDIGITAL TECHNOLOGY CORPORATION
Wilmington
DE
US
Assignee:
InterDigital Technology Corporation (Wilmington, DE)
Family ID:
1000003265595
Appl. No.:
15/414,762
Filed:
January 25, 2017
Prior Publication Data
Document Identifier
Publication Date
US 20170134188 A1 May 11, 2017
Related U.S. Patent Documents
Application Number
Filing Date
Patent Number
Issue Date
14541253 Nov 14, 2014 9571307
13780394 Dec 16, 2014 8913675
12052842 Mar 19, 2013 8401094
60896093 Mar 21, 2007
Current U.S. Class: 1/1
Current CPC Class: H04L 25/0224 (20130101); H04B 7/0413 (20130101); H04L 5/005 (20130101); H04B 7/0617 (20130101); H04W 28/04 (20130101); H04L 27/2647 (20130101)
Current International Class: H04L 25/02 (20060101); H04L 5/00 (20060101); H04B 7/0413 (20170101); H04B 7/06 (20060101); H04W 28/04 (20090101); H04L 27/26 (20060101)
PPP
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