A radio, and related methods of radio communication, consisting of a multi-modulation modem, wherein the multi-modulation modem that modulates and demodulates signals using a plurality of modulations. The radio also comprises a frequency converter coupled to the multi-modulation modem for converting...http://www.google.fr/patents/US6836515?utm_source=gb-gplus-shareBrevet US6836515 - Multi-modulation radio communications
