A method and apparatus for closed loop frequency control in a two-way radio communication system (100) include a base communication unit (104) and a portable communication unit (108) having a portable-to-base initiation channel (202) assigned to a predetermined frequency. A signal is transmitted (502)...http://www.google.es/patents/US5450617?utm_source=gb-gplus-sharePatente US5450617 - Method and apparatus for closed loop frequency control in a two-way communication system
Method and apparatus for closed loop frequency control in a two-way ...
