Patent ID: 7069012
Filing Date: 2006-06-27
Classification: H04B,H04W

Abstract:
1. A CDMA cellular system comprising: a plurality of base station control apparatuses, each of which is provided for a service area of cells; and a plurality of radio base stations, each of which is provided for one of the cells and is connected with one of said plurality of base station control apparatuses, wherein each of said plurality of base station control apparatuses has a radio channel data table including a group of radio channel data as a specific group of radio channel data, and selects one of said radio channel data of said specific group as a specific radio channel data in response to a channel allocation request, said specific groups of radio channel data for said plurality of base station control apparatuses are different from each other, and said one radio base station establishes a radio channel between said one radio base station and a radio terminal associated with said channel allocation request based on said specific radio channel data, wherein each of said plurality of base station control apparatuses comprises: a storage section which stores said radio channel data table including said specific group of radio channel data; a channel selecting section which refers to said radio channel data table in response to said channel allocation request to determine one of said radio channel data of said specific group as said specific radio channel data; and an informing section which informs said specific radio channel data to said one radio base station, and wherein said one radio base station establishes said radio channel between said one radio base station and said radio terminal based on said specific radio channel data.