One piece of information used in setting up the optimum location registration area is an area of a peripheral cell. However, in the current system, the area of a cell is set up by the predicted number of subscribers in the area, and therefore, depends on the location. Therefore, when a mobile communication...http://www.google.co.uk/patents/US7113785?utm_source=gb-gplus-sharePatent US7113785 - Method of location registration, location registration system, mobile communication terminal equipment for setting up location registration area, and program for setting up location registration area
