A method and arrangement of locating cordless units in a wide area cordless telephone system is disclosed. A service area is previously divided into a plurality of small service zones and, a plurality of cordless units are provided for establishing communications with a system controller via a plurality...http://www.google.de/patents/US5442684?utm_source=gb-gplus-sharePatent US5442684 - Method and arrangement of locating cordless units in wide area cordless telephone system
