Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
digital modulation scheme
|
| gptkbp:allocatesBitsDynamically |
per sub-channel
|
| gptkbp:basedOn |
gptkb:Orthogonal_Frequency_Division_Multiplexing_(OFDM)
|
| gptkbp:developedBy |
late 1980s
|
| gptkbp:dividesSpectrumInto |
sub-channels
|
| gptkbp:eachSubchannel |
modulated by QAM
|
| gptkbp:enables |
adaptive bit loading
high-speed data transmission over copper lines |
| https://www.w3.org/2000/01/rdf-schema#label |
Discrete Multi-Tone (DMT)
|
| gptkbp:improves |
spectral efficiency
|
| gptkbp:reduces |
inter-symbol interference
crosstalk |
| gptkbp:relatedTo |
multicarrier modulation
|
| gptkbp:standardizedBy |
gptkb:ITU-T
|
| gptkbp:transmittedBy |
parallel data streams
|
| gptkbp:usedFor |
broadband communication
|
| gptkbp:usedIn |
gptkb:ADSL
DSL VDSL |
| gptkbp:uses |
gptkb:Inverse_Fast_Fourier_Transform_(IFFT)
gptkb:Fast_Fourier_Transform_(FFT) |
| gptkbp:bfsParent |
gptkb:G.992.1
|
| gptkbp:bfsLayer |
5
|