Patent ID: 6490452
Filing Date: 2002-12-03
Classification: H04W

Abstract:
Radio telecommunication apparatus including a base station serving a cell and for communicating with a plurality of mobile stations located within the cell, in which the system includes;means for monitoring a characteristic of transmissions between the base station and each mobile station, means for clustering into a group those mobile stations whose monitored characteristic meets a pre-determined first criterion, means for establishing a first communication link between the base station and at least all the mobile stations comprising the group, means for monitoring a cell parameter and for detecting when the parameter meets a pre-determined second criterion, means for transmitting a group handover signal to all the mobile stations comprising the group when the cell parameter meets the second criterion, and means for establishing a second communications link and for severing the first communication link between at least some of the mobile stations comprising the group and the base station in response to the group handover signal.