Patent ID: 7813361

Claim:
A method for transmitting Hybrid Automatic Repeat reQuest (HARQ) buffer capability information by a Mobile Station (MS) in a broadband wireless access communication system, the method comprising: transmitting, to a Base Station (BS), a Subscriber Station (SS) Basic Capability negotiation REQuest (SBC-REQ) message including HARQ buffer capability information having downlink HARQ buffer capability information indicating a downlink HARQ buffer capability, and uplink HARQ buffer capability information indicating an uplink HARQ buffer capability, wherein the downlink HARQ buffer capability information indicates a maximal number of data bits the MS is able to store for a downlink HARQ and includes one of a first type indicating a downlink HARQ buffer capability for total downlink HARQ channels and a second type indicating a downlink HARQ buffer capability for each downlink HARQ channel, and wherein the uplink HARQ buffer capability information indicates a maximal number of data bits the MS is able to store for an uplink HARQ and includes one of indicating an uplink HARQ buffer capability for total uplink HARQ channels and indicating an uplink HARQ buffer capability for each uplink HARQ channel.