Patent ID: 6831904
Filing Date: 2004-12-14
Classification: H04W

Abstract:
A mobile communication system comprising:a line control station; and a plurality of base stations belonging to a plurality of clusters so that each of the clusters includes a plurality of base stations, each of the clusters including a cluster control station which is connected to said line control station via a line and controls the base stations within the cluster to which the cluster control station belongs, said cluster control station including means for sending signals received from the line control station to a plurality of base stations within said one cluster directly or via one or a plurality of other base stations within said one cluster, each of the base stations within one cluster being connected to other base stations within said one cluster and/or the cluster control station within said one cluster via lines, so that each of the base stations within said one cluster is directly or indirectly connected to the cluster control station within said one cluster, wherein said base stations simultaneously send signals with respect to a single mobile station to said cluster control station, and said cluster control station comprises: means for assigning IP addresses of registered specified base stations to a mobile station based on information indicating the specified base stations; and means for combining the signals into a combined signal with respect to a single mobile station from said base stations and sending the combined signal to the line control station.