Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
digital modulation scheme
|
| gptkbp:advantage |
higher spectral efficiency than BPSK
|
| gptkbp:alsoKnownAs |
gptkb:QPSK
|
| gptkbp:application |
digital television broadcasting
|
| gptkbp:category |
gptkb:phase_modulation
|
| gptkbp:constellationDiagram |
four points on a circle
|
| gptkbp:demodulation |
coherent detection
differential detection |
| gptkbp:errorPerformance |
similar to BPSK
|
| https://www.w3.org/2000/01/rdf-schema#label |
Quadriphase PSK
|
| gptkbp:modulatedBy |
digital signals
|
| gptkbp:numberOfRooms |
2
|
| gptkbp:relatedTo |
gptkb:8-PSK
gptkb:BPSK |
| gptkbp:samplingRate |
half the bit rate
|
| gptkbp:standsFor |
gptkb:Quadrature_Phase_Shift_Keying
|
| gptkbp:usedIn |
Wi-Fi
cellular networks wireless communications satellite communications |
| gptkbp:uses |
four phase states
|
| gptkbp:bfsParent |
gptkb:QPSK
|
| gptkbp:bfsLayer |
6
|