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Tuesday, May 01, 2018 10:19:00 AM
Pan , et al. May 1, 2018
Method and apparatus for sending hybrid automatic repeat request feedback for component carrier aggregation
Abstract
Techniques for sending hybrid automatic repeat request (HARQ) feedback for transmissions received via a plurality of aggregated component carriers are disclosed. A wireless transmit/receive unit (WTRU) receive a plurality of codewords via a plurality of component carriers and decodes the codewords. The component carriers are grouped into a plurality of groups, and the WTRU may generate a bundled positive/negative acknowledgement (ACK/NACK) for each group of component carriers. The WTRU may be assigned a plurality of uplink control channel resources and may implement a channel selection scheme for indicating the ACK/NACKs. The WTRU selects one of the uplink control channel resources, and sets the HARQ feedback based the ACK/NACKs or bundled ACK/NACKs in a way that a different uplink control channel resource is selected and HARQ feedback bits are set differently based on the ACK/NACKs or bundled ACK/NACKs. Each physical uplink control channel (PUCCHs) may be mapped to a particular antenna.
Inventors:
Pan; Kyle Jung-Lin (Saint James, NY), Tsai; Allan Y. (Boonton, NY), Olesen; Robert L. (Huntington, NY), Nazar; Shahrokh Nayeb (Montreal, CA)
Applicant:
Name
City
State
Country
Type
InterDigital Patent Holdings, Inc.
Wilmington
DE
US
Assignee:
InterDigital Patent Holdings, Inc. (Wilmington, DE)
Family ID:
1000003265566
Appl. No.:
13/970,012
Filed:
August 19, 2013
Prior Publication Data
Document Identifier
Publication Date
US 20130329678 A1 Dec 12, 2013
Related U.S. Patent Documents
Application Number
Filing Date
Patent Number
Issue Date
12766678 Apr 23, 2010 8514883
61172652 Apr 24, 2009
61293144 Jan 7, 2010
Current U.S. Class: 1/1
Current CPC Class: H04L 5/0055 (20130101); H04L 1/1812 (20130101); H04L 1/1671 (20130101); H04L 1/1635 (20130101)
Current International Class: H04L 5/00 (20060101); H04L 1/16 (20060101); H04L 1/18 (20060101)
Field of Search: ;370/468,328,208-210,395.21,280,335,338,337,329,330 ;714/748,776,746,18,48,52,750,749 ;455/450,69
PPP
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