QAM de-mapping circuit

QAM symbol slicing method and apparatus

QPSK demodulator for obtaining phase by arithmetic operation

Quadrature imbalance estimation using unbiased training...

Quadrature vestigial sideband digital communications method...

Quantization method for iterative decoder in communication...

Quasi error free (QEF) communication using turbo codes

Radio receiver

Radio receiver apparatus and radio receiving method

Radio receiving apparatus

Radio transmitter apparatus and modulation scheme selecting...

Radio wave receiver and wave clock

Radio-controlled timepiece, standard frequency reception...

Random access preamble detection for long term evolution...

Rate 5/6 maximum transition run code for read channels

Rate detection apparatus and method for variable rate speech...

RDS data demodulator capable of precisely attenuating ARI...

Read channel for increasing density in removable disk...

Read system for implementing PR4 and higher order PRML signals

Received signal detector for digital demodulator