Patent ID: 7734979
Filing Date: 2010-06-08
Classification: H04L

Abstract:
1. In a digital communication system, a method for requesting retransmission of received data comprising: detecting errors in received data words; in response to said errors, creating entries identifying each of said received data words on a highest priority one of a plurality of lists, each of said lists representing a priority level for requesting retransmission; upon an opportunity to send a request for retransmission, selecting an entry from a highest priority list that is not empty; requesting retransmission of a received data word identified by said selected entry; and thereafter removing said selected entry from said highest priority list that is not empty; and storing received data words along with information indicating ages of said received data words within a transmitter memory; wherein requesting retransmission comprises: requesting retransmission of said received data word identified by said selected entry only if said received data word has an age below an age limit for requests.