QAM (Quadrature Amplitude Modulation)
GPTKB entity
Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
digital modulation scheme
|
| gptkbp:combines |
gptkb:amplitude_modulation
gptkb:phase_modulation |
| gptkbp:enables |
higher data rates
multiple bits per symbol |
| gptkbp:hasVariant |
gptkb:16-QAM
gptkb:256-QAM gptkb:64-QAM |
| https://www.w3.org/2000/01/rdf-schema#label |
QAM (Quadrature Amplitude Modulation)
|
| gptkbp:introducedIn |
1930s
|
| gptkbp:relatedTo |
ASK (Amplitude Shift Keying)
PSK (Phase Shift Keying) |
| gptkbp:type |
digital
analog |
| gptkbp:usedFor |
data transmission
telecommunications radio communications |
| gptkbp:usedIn |
gptkb:ADSL
gptkb:DOCSIS Wi-Fi cellular networks satellite communications digital television cable modem Ethernet over coaxial cable |
| gptkbp:uses |
orthogonal signals
two carrier waves |
| gptkbp:bfsParent |
gptkb:4G_wireless_communication
|
| gptkbp:bfsLayer |
7
|