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Methods and devices for partial upper layer frame loss detection based retransmission
 



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Patent 7239610
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Document Number
US Patent 7239610
Issued Date
July 3, 2007
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Abstract
The present invention is aimed at techniques for detecting the “partial loss” of an upper layer frame. One technique envisions a detection platform adapted to determine whether a packet is a final packet for a particular upper layer frame. A comparator platform then compares packets received free of transmission errors with variables indicative of whether all received packets in the particular upper layer frame have been received correctly when a final packet is detected. A transmission platform then sends a signal indicative of whether the packets received without transmission errors constitute the particular upper layer frame so that lost packets can be retransmitted quickly.
 
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Number of Claims:
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Owner
Lucent Technologies Inc. (Murray Hill, NJ)
Published
July 3, 2007
Application Number
10/198,597
Filed
July 18, 2002
US Classification
370/230   370/235 370/252 370/328 370/335 370/342 370/356 370/394 370/474 714/750
Int’l Classification
H04J   1/16   (20060101)   H04B   7/216   (20060101)   H04J   3/24   (20060101)   H04L   1/14   (20060101)   H04L   12/28   (20060101)   H04L   12/66   (20060101)   H04Q   7/00   (20060101)  
Examiner
Assistant Examiner
USPTO Field of Search
714/748   714/749  
 
Related Patents
7382733 – Method for handling reordered data packets – Owned by International Business Machines Corporation (Armonk, NY)

The present invention provides a method for handling reordered data packets. A method comprises receiving a data packet and determining if the data packet is received out of order. The method further comprises delaying transmission of an acknowledgement indicating that a data packet is missing in response to determining that the data packet is received out of order.

 
 
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