Quadrature biorthogonal modulation

Quadrature demodulation of a data sequence following a...

Quadrature filter augmentation of echo canceler basis functions

Quadrature fm demodulator apparatus

Quadrature hybrid coupler using one-port, linear circuit...

Quadrature imbalance estimation using unbiased training...

Quadrature imbalance mitigation using unbiased training...

Quadrature modulation circuit

Quadrature modulation circuit

Quadrature modulation circuit for use in a radio transmitter

Quadrature modulation rotating training sequence

Quadrature modulator

Quadrature modulator and demodulator

Quadrature modulator and demodulator

Quadrature modulator for tdma/tdd radio communication...

Quadrature modulator operable in quasi-microwave band of...

Quadrature modulator which employs four 90-degrees-shifted...

Quadrature modulator with integrated distributed rc filters

Quadrature multiplying four-channel demodulator

Quadrature optical phase modulators for lightwave systems