A communication system having hubs and mobile units where a mobile unit uses selection signals from hubs during dedicated time slots for selecting a particular hub for communication during operational time slots. The hubs communicate on respective channels. The mobile units communicate with a particular...http://www.google.fr/patents/US6519245?utm_source=gb-gplus-shareBrevet US6519245 - Communication system having dedicated time slots for selection signals
Communication system having dedicated time slots for selection signals
