Respective location registration areas (A, B, C,) in a mobile communication network include a plurality of base station service areas (a.sub.1 -a.sub.n, b.sub.1 -b.sub.n, c.sub.1 -c.sub.n). By partially overlapping the respective location registration areas, each of the respective base station service...http://www.google.com/patents/US5212822?utm_source=gb-gplus-sharePatent US5212822 - Method for registering mobile station in mobile communication system
