quadrature phase-shift keying
  • A phase shift keying technique in which four phase angles are utilized to transmit information. The four angles are usually 90° apart each, and two bits can be encoded into each signal element. Its abbreviation is quadrature PSK, or QPSK. Also called quaternary phase-shift keying.
  • acronym QPSK
  • abbreviation quadrature PSK

Not what you were looking for?