π/4 QPSK modulator

&pgr;/4 DQPSK encoder and modulator

&pgr;/4 shift QPSK modulator and communication device

128-ary signal constellations suitable for non-linear...

3G radio

8-PSK transmit filtering using reduced look up tables

8PSK modulator

Adaptation of IQ-error compensation

Adaptive control apparatus

Adaptive controller for linearization of transmitter

Adaptive digital pre-distortion circuit using adjacent...

Adaptive modulation in a multiple input multiple output...

Adaptive modulation/coding and power allocation system

Adaptive peak windowing for crest factor reduction in a...

Adaptive phase controller, method of controlling a phase and...

Adaptive phase controller, method of controlling a phase and...

Adaptive pre-equalizer for use in data communications equipment

Adaptive predistortion device and method using digital receiver

Adaptive transmitter for digital transmission

Adaptively configurable class-A/class-B transmit DAC for...