Method of transmitting and receiving a message associated with power saving mode in a wireless communication system

A method of transmitting a message associated with a sleep mode in a broadband wireless access system, the method comprising:

• receiving a header message related to resource allocation from a receiving side, the header message including frame latency related information;
• and
• transmitting a first message associated with the sleep mode, the first message including an offset value determined based on the frame latency related information,
• wherein the offset value is a value for controlling a start frame of a sleep interval and a listening interval, which are associated with the sleep mode.

A method of transmitting a message associated with a service flow in a broadband wireless access system, the method comprising:

• transmitting a first message requesting the service flow or defining a parameter of the service flow, to a receiving side, the first message including connection identifier representing at least one connection corresponding to the service flow and a power saving mode class identifier for the at least one connection;
• and
• receiving a second message including the power saving class identifier from the receiving side,
• wherein the power saving class identifier is allocated from a transmitting side, so that the power saving class identifier is associated with the at least one connection.

A method of transmitting a message associated with a sleep mode in a broadband wireless access system, the method comprising:

• receiving a sleep response message in a mobile station, the sleep response message including a parameter counter representing a change of a parameter associated with the sleep mode;
• comparing a parameter counter previously stored in the mobile station with the received parameter counter;
• and
• transmitting the message associated with the sleep mode to a base station in accordance with the compared result.