OFDM (Orthogonal Frequency Division Multiplexing)
GPTKB entity
Statements (50)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
digital modulation scheme
|
| gptkbp:abbreviation |
gptkb:Orthogonal_Frequency_Division_Multiplexing
|
| gptkbp:advantage |
high peak-to-average power ratio
sensitivity to frequency offset sensitivity to phase noise efficient use of spectrum low inter-symbol interference |
| gptkbp:application |
gptkb:digital_audio_broadcasting
gptkb:digital_video_broadcasting mobile communications broadband internet access |
| gptkbp:basisFor |
gptkb:OFDMA
gptkb:COFDM gptkb:MIMO-OFDM 5G NR downlink LTE downlink |
| gptkbp:category |
multicarrier modulation
|
| gptkbp:enables |
adaptive modulation and coding
high data rate transmission multiple access (OFDMA) |
| gptkbp:feature |
efficient implementation using FFT
high spectral efficiency resistance to interference robustness to multipath fading |
| https://www.w3.org/2000/01/rdf-schema#label |
OFDM (Orthogonal Frequency Division Multiplexing)
|
| gptkbp:introducedIn |
1966
|
| gptkbp:inventedBy |
gptkb:Robert_W._Chang
|
| gptkbp:relatedTo |
gptkb:QAM_(Quadrature_Amplitude_Modulation)
gptkb:SC-FDMA FDM (Frequency Division Multiplexing) |
| gptkbp:standardizedBy |
gptkb:IEEE_802.16
gptkb:DVB-T gptkb:IEEE_802.11a gptkb:IEEE_802.11g gptkb:DVB-H DAB |
| gptkbp:transmission |
baseband
passband |
| gptkbp:usedIn |
gptkb:4G_LTE
gptkb:5G_NR Wi-Fi wireless communications digital television DAB radio DSL broadband |
| gptkbp:uses |
gptkb:fast_Fourier_transform
cyclic prefix multiple closely spaced orthogonal subcarriers |
| gptkbp:bfsParent |
gptkb:Fast_Fourier_Transform_(FFT)_algorithms
|
| gptkbp:bfsLayer |
8
|