Patent ID: 7206355

Claim:
A radio transmitter, comprising: a baseband processor for processing digital signals transmitted and received over a wireless communication link, which baseband processor produces a plurality of digital waveform signals each representing a corresponding plurality of analog signals, wherein the baseband processor includes: a first processing module for generating the plurality of digital waveform signals, wherein each of the plurality of digital waveform signals represents a corresponding analog signal that is to be transmitted within corresponding cell sectors of a cellular network cell; a second processing module coupled to receive and transfer the plurality of digital waveform signals to produce a corresponding plurality of transformed digital waveform signals, each containing components of each of the plurality of digital waveform signals; and a third processing module coupled to receive and adjust the transformed digital waveform signals to compensate for distortion and to adjust peak power to produce a plurality of transformed and adjusted digital waveform signals; a digital-to-analog conversion module coupled to receive the plurality of transformed and adjusted digital waveform signals, the digital-to-analog conversion module for converting the plurality of transformed and adjusted digital waveform signals from a digital domain to an analog domain, the digital-to-analog conversion module for producing a plurality of transformed analog signals; an up-conversion module for mixing a local oscillation signal with each of the plurality of transformed analog signals to up-convert each of the plurality of transformed analog signals from a baseband frequency to a radio frequency to produce a plurality of transformed and adjusted RF analog signals; at least one power amplifier module coupled to receive the plurality of transformed and adjusted RF analog signals to produce a plurality of transformed and amplified RF analog signals wherein the plurality of transformed and amplified RF analog signals each contain analog components of each of the plurality of analog signals; a hybrid matrix module coupled to receive the plurality of transformed and amplified RF analog signals, the hybrid matrix module for separating analog components of the plurality of analog signals found in each of the plurality of transformed and amplified RF analog signals to create a plurality of amplified RF analog signals; and feedback circuitry coupled to receive the plurality of amplified RF analog signals, the feedback circuitry including an analog-to-digital conversion module, the feedback circuitry for producing digital waveform signals to the second processing module of the baseband processor.