US Patent 7551934 Cell selection in a communications system

A communications system comprising a first plurality of cells operating in accordance with a first mode and a second plurality of cells operating in accordance with a second mode, each of said cells being served by a respective first station, at least one second station arranged to establish a connection with at least one first station, said at least one second station being associated with said first plurality of cells or said second plurality of cells during said connection and means for determining which plurality of cells said second station is associated after said connection has been completed.