Patent ID: 8612817
Filing Date: 2013-12-17
Classification: H04L

Abstract:
1. A method in a first transceiving unit capable of two-way communications with at least a second transceiving unit, the method comprising: operating the first transceiving unit to receive a sequence of data blocks transmitted from the second transceiving unit, each data block in the sequence having a respective sequence number establishing its intended position in the sequence; monitoring whether or not the data blocks in the sequence have been successfully received; generating a receipt report based at least in part on the monitoring; generating a data block that includes the receipt report; and transmitting the generated data block to the second transceiving unit, wherein the generated receipt report includes a first data portion and a second data portion, the first data portion identifying a sequence number of one data block in the sequence that has not been successfully received, the second data portion providing information on whether or not successful receipt has been achieved for a number of data blocks in the sequence having sequence numbers following directly after the identified sequence number; and wherein the generated receipt report further includes an extension data portion indicating whether or not an additional first data portion identifying an additional sequence number of one data block in the sequence that has not been successfully received, and an additional second data portion providing information on whether or not successful receipt has been achieved for a number of data blocks in the sequence having sequence numbers following directly after the identified additional sequence number.