FIELD: communications.
SUBSTANCE: proposed method of transmitting identifier update information through a base station in a broadband wireless access communication system comprises stages, on which a registration request message is received from a mobile station. A registration reply-message is sent to the mobile station. The registration reply-message contains information on updating the identifier, containing the bit map region and the region of the new identifier. The bit map region indicates whether at least one identifier has been updated or not, corresponding to at least one service. The region of the new identifier comprises at least one new identifier in accordance with a predetermined bit value in the bit map region.
EFFECT: increased efficiency of using radio resources.
30 cl, 4 dwg, 4 tbl
