In a simulcast communication system (100), a communication unit (110-115) may request enhanced coverage area services by transmitting a request for enhanced signal quality to a central simulcast controller (101). Upon receipt, the central simulcast controller (101) identifies, based on information pertaining...http://www.google.com/patents/US5423059?utm_source=gb-gplus-sharePatent US5423059 - Method for enhancing signal quality in a simulcast communication system
