Patent ID: 8837378
Filing Date: 2014-09-16
Classification: H04W

Abstract:
1. A scanning method of a serving base station in a broadband wireless communication system, the method comprising: transmitting, by the serving base station, a MOB_SCN_FREQ_REQ message to inquire about a frequency use status of a neighboring base station having a plurality of downlink frequencies to an upper network entity; receiving, by the serving base station, a MOB_SCN_FREQ_RSP message comprising information on the frequency use status of the neighboring base station from the upper network entity; determining, by the serving base station, at least one recommended scan frequency among the plurality of downlink frequencies based on the frequency use status of the neighboring base station; and in response to receiving a MOB_SCN_REQ message from a mobile station, transmitting, by the serving base station to the mobile station, a MOB_SCN_RSP message that includes the at least one recommended scan frequency determined based on the frequency use status to the mobile station.