OFDM (orthogonal frequency-division multiplexing)
GPTKB entity
Statements (36)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
digital modulation scheme
|
| gptkbp:abbreviation |
gptkb:OFDM
|
| gptkbp:category |
telecommunications
digital signal processing modulation techniques |
| gptkbp:developedBy |
1960s
|
| gptkbp:feature |
divides signal into multiple closely spaced subcarriers
efficient use of spectrum enables high data rates resistant to frequency-selective fading robust against inter-symbol interference subcarriers are orthogonal to each other uses cyclic prefix to combat multipath uses Fast Fourier Transform (FFT) for implementation each subcarrier is modulated with a conventional modulation scheme |
| gptkbp:fullName |
gptkb:Orthogonal_Frequency-Division_Multiplexing
|
| https://www.w3.org/2000/01/rdf-schema#label |
OFDM (orthogonal frequency-division multiplexing)
|
| gptkbp:relatedTo |
gptkb:QAM
gptkb:MIMO gptkb:COFDM |
| gptkbp:standardizedBy |
gptkb:IEEE_802.16
gptkb:DVB-T gptkb:IEEE_802.11a gptkb:IEEE_802.11g gptkb:DVB-H DAB |
| gptkbp:usedIn |
gptkb:4G_LTE
gptkb:Powerline_communication gptkb:5G_NR Wi-Fi wireless communications digital television DSL DAB radio |
| gptkbp:bfsParent |
gptkb:fast_Fourier_transform_(FFT)
|
| gptkbp:bfsLayer |
5
|