PSK

PSK definition - computer

(1) See preshared keys.

(2) (Phase Shift Keying) A simple digital modulation technique that uses two different phase angles for 0 and 1. Quadrature PSK (QPSK) uses four phase shifts for each two bits of input. See phase modulation and DPSK.


_PSK.GIF


Phase Shift Keying

PSK is a simple technique that uses two phases to represent 0 and 1.




_QPSK.GIF


Quadrature PSK

QPSK uses four phases 90 degrees apart to represent four values in each two bits (0-4) of input.






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