Transmit baseband filter and modulator for filtering and modulating a first bit rate signal into a Gaussian filtered modulated signal and a second transmit filter and modulator for filtering and modulating a second bit rate signal into a Quadrature Amplitude Modulated (QAM) signal. A first amplifier...http://www.google.ca/patents/US8050345?utm_source=gb-gplus-sharePatent US8050345 - QAM and GMSK systems
