Patent ID: 6317430
Filing Date: 2001-11-13
Classification: H04L

Abstract:
A method for providing shortened sequence numbering to transmission data units, comprising the steps of:determining a size of a transmission data unit belonging to a plurality of transmission data units;determining a rate at which the plurality of transmission data units will be transmitted; andassigning a portion of a sequence number space A to the plurality of transmission data units based on the size and the rate where A=A.sub.r+c-1, A.sub.r+c-2, . . . A.sub.1, A.sub.0, where r+c is the total number of bits describing the sequence number space and where the portion of the sequence number space has width+1 adjacent bits of the bits describing the sequence number space with the most significant bit being bit A.sub.r+c-1-depth, the width decreasing with decreasing size and the depth increasing with lower rates.