Patent ID: 8521166
Filing Date: 2013-08-27
Classification: H04W

Abstract:
1. A method of managing frequency bands by a mobile station in a wireless communication system, the method comprising: receiving a first message including information regarding a first secondary frequency band from a base station using a primary frequency band; transmitting a readiness indication message, the readiness indication message comprising a message configured to inform the base station regarding readiness for use of the first secondary frequency band in the mobile station; if the readiness indication message is not received by the base station within a time period, receiving a second message including information regarding a second secondary frequency band from the base station; and in response to the second message including information regarding a second secondary frequency band, which is different from the first secondary frequency band, received from the base station, performing communication with the base station using the primary frequency band and the second secondary frequency band according to the information regarding the second secondary frequency band.