This invention relates to a time division multiple access (TDMA) trunked radio system and it relates to a frame structure for communication between fixed, mobile and portable radios in such a system. The radio system comprises: a base station and a plurality of remote radio units for communicating over...http://www.google.fr/patents/US5559807?utm_source=gb-gplus-shareBrevet US5559807 - Power amplifier linearization in a TDMA mobile radio system
Power amplifier linearization in a TDMA mobile radio system
