Patent ID: 9240920
Filing Date: 2016-01-19
CPC Classification: H04L

Claim Text:
1. A wireless transmitter, comprising: a digital baseband module, arranged to generate a plurality of frequency-shifted modulated signals by using a plurality of digital synthesizers; and a radio-frequency (RF) transmitter, comprising: wherein the digital baseband module comprises: a plurality of baseband signal generators, arranged to generate a plurality of single-mode modulated signals, respectively; and the digital synthesizers, arranged to process the single-mode modulated signals to generate the frequency-shifted modulated signals; and the RF transmitter further comprises: a plurality of digital-to-analog converters, arranged to convert the frequency-shifted modulated signals into analog baseband signals; and a signal combiner, arranged to combine the analog baseband signals to generate a multi-mode modulated signal to the up-conversion circuit.