quadrature phase-shift keying

Definitions

Electronics

  • 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.
  • acronymQPSK
  • abbreviationquadrature PSK
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