Patent ID: 8027682
Filing Date: 2011-09-27
Classification: H04W

Abstract:
1. A method for performing fast base station switching in a mobile station capable of using multiple frequency assignments in a wireless communication system, the method comprising: performing initial network entry in one of at least two frequency assignments managed by a base station; acquiring overlay mode support information and frequency assignment (FA) information about the at least two frequency assignments during the initial network entry, the overlay mode support information indicating whether the base station supports multiple frequency assignments; notifying the base station that the mobile station will operate in an overlay mode using multiple frequency assignments concurrently based on the acquired information; and transmitting and receiving signals in the at least two frequency assignments concurrently to and from the base station, wherein the notification comprises notifying the base station that the mobile station will operate in the overlay mode by a bandwidth request header message with a bandwidth request field set to 0.