Tuesday, May 25, 2010 9:06:38 AM
Terry , et al. May 25, 2010
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System and method for prioritization of retransmission of protocol data units to assist radio-link-control retransmission
Abstract
A medium access control (MAC) architecture reduces transmission latency for data block retransmissions. A plurality of data blocks are received and temporarily stored in a first memory (e.g., queue, buffer). The plurality of data blocks are then transmitted. A determination is made as to whether each of the transmitted data blocks was received successfully or needs to be retransmitted because the data block was not received successfully. Each of the transmitted data blocks that needs to be retransmitted is marked and temporarily stored in a second memory having a higher priority than the first memory. The marked data blocks are retransmitted before data blocks stored in the first memory.
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Inventors: Terry; Stephen E. (Northport, NY), Chao; Yi-Ju (Minnetonka, MN), Miller; James M. (Verona, NJ)
Assignee: InterDigital Technology Corporation (Wilmington, DE)
Appl. No.: 10/434,615
Filed: May 9, 2003
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Related U.S. Patent Documents
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Application Number Filing Date Patent Number Issue Date
60379829 May., 2002
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Current U.S. Class: 370/395.4 ; 370/329; 370/331; 370/349; 370/395.42; 455/512; 714/748; 714/749; 714/776
Current International Class: H04L 12/28 (20060101); G08C 25/02 (20060101); H03M 13/00 (20060101); H04W 4/00 (20090101); H04L 12/56 (20060101); H04B 7/00 (20060101); H04J 3/24 (20060101); H04L 1/18 (20060101)
Field of Search: 370/352,229,335,318,310,329,236,328,235,414,395.4,412,395.42,331,429,342,349,401,332 710/30 455/11.1,512 711/204 709/227,232 714/748,776,749
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