Patent ID: 7295840

Claim:
A method for use in network acquisition in a cellular radio communications device comprising the steps of: a. storing details of the cell, as cell information, to which the device was connected at the time of loss of the network for at least prior first and second separate instances of network loss; b. attempting network establishment on the basis of the stored details of one of the stored cells; c. camping on said one of the stored cells if available; d. attempting network establishment on the basis of the stored details of one of the other of the stored cells if said cellular radio communications device is not camped on one of the stored cells; e. camping on one of the other of the stored cells if available; f. returning to step d as long as there are stored cells, the stored details of which have not yet been used as the basis to attempt network establishment, or as long as said cellular radio communications device is not camped on one of the stored cells; g. conducting a network cell search if none of the stored cells are available; and h. if none of the cells searched in the network cell search are available, repeating steps b through g, inclusive, upon a predetermined time interval elapsing after the completion of step g.