Patent ID: 8554266

Claim:
A mobile device for use in a wireless network, the device comprising cell selection apparatus for use to select a cell from a candidate set of cells to support subsequent communication between a wireless network and the device, said cell selection apparatus being triggerable, by a transition of the device out of an existing connected mode state in which communication is supported by a serving cell or an active set of one or more cells, to select said cell, wherein the mobile device comprises a data store for storing cell power measurement data; wherein the cell selection apparatus is adapted to use as said candidate set a set of cells comprising at least one cell which is not a cell supporting the existing connected mode state and wherein the cell selection apparatus further comprises parameter adjustment means arrange to adjust at least one parameter for at least one cell of the candidate set of cells, thereby changing a probability that said at least one cell will be selected, the parameter adjustment being performed at the mobile device, wherein said parameter adjustment means is arranged to adjust a stored value of a previously measured power measurement for the at least one cell.