A mobile station (mobile communication unit) receives system software from a base station via an antenna and a transmitter/receiver, and stores the received system software in a memory. A digital signal processor in the mobile station then performs communication processing according to the system software...http://www.google.fr/patents/US6671509?utm_source=gb-gplus-shareBrevet US6671509 - Mobile communication unit and mobile communication system
Mobile communication unit and mobile communication system
