Orthogonal Frequency Division Multiplexing
GPTKB entity
Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
digital modulation scheme
|
| gptkbp:abbreviation |
gptkb:OFDM
|
| gptkbp:category |
gptkb:signal_processing
data transmission telecommunications |
| gptkbp:feature |
efficient use of spectrum
uses cyclic prefix to combat multipath requires synchronization sensitive to frequency offset sensitive to phase noise uses Fast Fourier Transform uses Inverse Fast Fourier Transform resistant to inter-symbol interference robust against frequency selective fading divides channel into multiple orthogonal subcarriers each subcarrier modulated with low data rate stream |
| https://www.w3.org/2000/01/rdf-schema#label |
Orthogonal Frequency Division Multiplexing
|
| gptkbp:inventedBy |
gptkb:R._W._Chang
|
| gptkbp:relatedTo |
gptkb:Single_Carrier_Frequency_Division_Multiple_Access
gptkb:Discrete_Multi-Tone_Modulation |
| gptkbp:usedIn |
gptkb:4G_LTE
gptkb:5G_NR Wi-Fi wireless communications digital television DSL DAB radio powerline communication |
| gptkbp:yearProposed |
1966
|
| gptkbp:bfsParent |
gptkb:Orthogonal_Frequency_Division_Multiple_Access
gptkb:Digital_Communication_System |
| gptkbp:bfsLayer |
6
|