Patent ID: 9215573
Filing Date: 2015-12-15
Classification: H04W

Abstract:
1. A method for receiving a short message service (SMS) in a mobile station of a broadband wireless access system, the method comprising the steps of: transmitting a first message for performing ranging to a base station; receiving a second message, which includes SMS information and uplink resource allocation information for transmission of a third message, from the base station in response to the first message; and transmitting a third message, which indicates the state of the reception of the second message, to the base station through uplink resources which are indicated by the uplink resources allocation information; wherein the mobile station operates in an idle mode, the method further comprising the steps of: receiving a paging advertisement (AAI_PAG-ADV) message indicating that location update should be performed; transmitting a handover ranging code to the base station; and receiving uplink allocation information for transmission of the first message from the mobile station, from the base station; and wherein the SMS information includes index having different values per SMS, the method further comprising the steps of: comparing an index value of the SMS information included in the second message with an index value of SMS information which is previously received; and deleting the SMS information included in the second message or the previously received SMS information if the index values are the same as each other.