Patent ID: 8248994
Filing Date: 2012-08-21
Classification: H04L,H04W

Abstract:
1. A method of allocating a radio resource in a wireless access system, the method comprising: receiving, by a mobile station, a first uplink MAP message from a base station, the first uplink MAP message including a first persistent uplink MAP information element, wherein the first persistent uplink MAP information element comprises first resource allocation information for persistently allocating a first resource allocation region for transmitting uplink data of the mobile station and first ACK information indicating a first ACK transmission region; and transmitting, by the mobile station, an acknowledgment (ACK) message to the base station via the first ACK transmission region when the mobile station successfully receives the first persistent uplink MAP information element, wherein the first resource allocation information includes at least an orthogonal frequency division multiplexing access (OFDMA) symbol offset, a subchannel offset, or OFDMA slot information which indicates the first resource allocation region.