A mobile radio communication system according to the invention comprises a base station to be connected with a communication network by way of a wired communication path, a mobile base device to be connected with the base station by way of a first radio channel selected from a plurality of first radio...http://www.google.fr/patents/US5276686?utm_source=gb-gplus-shareBrevet US5276686 - Mobile radio communication system having mobile base and portable devices as a mobile station
Mobile radio communication system having mobile base and portable devices as ...
