Tuesday, October 17, 2017 1:46:15 PM
Terry , et al. October 17, 2017
Method and apparatus for implementing a data lifespan timer for enhanced dedicated channel transmissions
Abstract
A wireless communication system, which supports enhanced dedicated channel (E-DCH) data transmissions, includes a wireless transmit/receive unit (WTRU), at least one Node-B and a radio network controller (RNC). The WTRU includes a buffer, a data lifespan timer, a data retransmission counter, a hybrid-automatic repeat request (H-ARQ) process and a controller. The timer establishes a lifespan for at least one data block stored in the buffer. If physical resources have not been allocated for a data block associated with a lifespan timer that is close to expiration, the WTRU sends an urgent channel allocation request. If physical resources have been allocated, the data block is prioritized for transmission with respect to other data blocks. The data block is discarded if the lifespan timer expires or if the WTRU receives feedback information indicating that the data block was successfully received by the Node-B.
Inventors:
Terry; Stephen E. (Northport, NY), Zhang; Guodong (Farmingdale, NY)
Applicant:
Name
City
State
Country
Type
Terry; Stephen E.
Zhang; Guodong
Northport
Farmingdale
NY
NY
US
US
Assignee:
InterDigital Technology Corporation (Wilmington, DE)
Family ID:
1000002895229
Appl. No.:
12/652,082
Filed:
January 5, 2010
Prior Publication Data
Document Identifier
Publication Date
US 20100113052 A1 May 6, 2010
Related U.S. Patent Documents
Application Number
Filing Date
Patent Number
Issue Date
11117579 Jan 5, 2010 7643419
60568937 May 7, 2004
Current U.S. Class: 1/1
Current CPC Class: H04L 1/1883 (20130101); H04L 1/1812 (20130101); H04L 1/1877 (20130101); H04L 1/1607 (20130101)
Current International Class: H04W 72/04 (20090101); H04L 1/18 (20060101); H04L 1/16 (20060101
PPP
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