Statements (29)
Predicate | Object |
---|---|
gptkbp:instanceOf |
digital modulation scheme
|
gptkbp:abbreviation |
gptkb:TCM
|
gptkbp:appliesTo |
wireless communications
satellite communications modems digital communication systems |
gptkbp:category |
channel coding
digital modulation |
gptkbp:enables |
higher spectral efficiency
|
gptkbp:field |
gptkb:information_theory
telecommunications |
gptkbp:hasConcept |
Euclidean distance
set partitioning trellis diagram |
https://www.w3.org/2000/01/rdf-schema#label |
Trellis-coded modulation
|
gptkbp:introducedIn |
1982
|
gptkbp:inventedBy |
gptkb:Gottfried_Ungerboeck
|
gptkbp:purpose |
improve error performance
increase data rate without increasing bandwidth |
gptkbp:relatedTo |
error correction coding
quadrature amplitude modulation phase-shift keying |
gptkbp:standardizedBy |
V.32 modem standard
V.34 modem standard |
gptkbp:uses |
convolutional coding
modulation schemes |
gptkbp:bfsParent |
gptkb:V.32
gptkb:8VSB |
gptkbp:bfsLayer |
7
|