Patent ID: 6367045
Filing Date: 2002-04-02
Classification: H04L

Abstract:
A method of acknowledging a plurality of received data blocks in a communication system, comprising the step of:generating a single positive acknowledgment/negative acknowledgment (ACK/NACK) message that indicates an ACK/NACK status of only the plurality of received data blocks; wherein the ACK/NACK message comprises: (a) a plurality of flags, each flag indicating that a corresponding sequence number step is represented in the ACK/NACK message; (b) for each sequence number step indicated by one of the plurality of flags as being represented in the ACK/NACK message: a start sequence number field that corresponds to one of a number of possible sequence number steps; and a length field, indicating a number of blocks; and (c) a bitmap field for indicating an acknowledgment status for each of a plurality of received data blocks designated by the flags, start sequence number fields and length fields.