Patent ID: 8169272

Claim:
A multi-phase pulse-modulated polar transmitter, comprising: an envelope signal input end for receiving envelope signals; a plurality of constant-envelope radio-frequency (RF) signal input ends, each being for receiving input constant-envelope RF signals; a multi-phase pulse modulation module for receiving the envelope signals from the envelope signal input ends, so as to generate multi-phase (or multi-bit) pulse modulation signals according to the envelope signals; a plurality of signal modulation modules, each being for receiving one of the constant-envelope RF signals and modulating the received one of the constant-envelope RF signals according to one of the multi-phase (or multi-bit) pulse modulation signals, to thereby generate pulse-modulated RF signals that an envelope of each of the pulse-modulated RF signals carries phase information; and a plurality of power amplification modules, each being for receiving the pulse-modulated RF signals, amplifying power of each of the pulse-modulated RF signals and outputting the amplified pulse-modulated RF signals.