Quadrature Phase Shift Keying
GPTKB entity
Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
digital modulation scheme
|
| gptkbp:abbreviation |
gptkb:QPSK
|
| gptkbp:advantage |
spectral efficiency
susceptibility to noise |
| gptkbp:bits_per_symbol |
2
|
| gptkbp:category |
gptkb:phase_modulation
|
| gptkbp:constellation_points |
4
|
| https://www.w3.org/2000/01/rdf-schema#label |
Quadrature Phase Shift Keying
|
| gptkbp:inventedBy |
1960s
|
| gptkbp:modulatedBy |
digital signals
|
| gptkbp:relatedTo |
gptkb:Binary_Phase_Shift_Keying
gptkb:8-PSK |
| gptkbp:symbol_mapping |
gptkb:Gray_coding
|
| gptkbp:used_in |
Wi-Fi
cellular networks wireless communications satellite communications modems DVB-S digital television broadcasting |
| gptkbp:uses |
four phase states
|
| gptkbp:bfsParent |
gptkb:Binary_Phase_Shift_Keying
gptkb:QPSK |
| gptkbp:bfsLayer |
6
|