Patent ID: 7058085
Filing Date: 2006-06-06
Classification: H04L

Abstract:
1. An apparatus, comprising: means for transmitting data blocks to a receiver; means for receiving messages identifying successfully received data blocks; means for determining a time referenced to the transmission of the data block by the means for transmitting; and means for retransmitting a data block to the receiver in response to absence of receipt, within a predetermined time determined by the means for determining, of a message identifying the data block as having been successfully received, wherein said means for retransmitting includes: means responsive to absence of receipt by the end of a first interval of time, of a message that a data block has been successfully received, for transmitting to the receiver a request for a message identifying successfully received data blocks, and means responsive to continued absence of receipt by the end of a second and later interval of time, of a message that the data block has been successfully received, for retransmitting the data block to the receiver.