Code division multiple access
GPTKB entity
Statements (34)
Predicate | Object |
---|---|
gptkbp:instanceOf |
multiple access method
|
gptkbp:abbreviation |
gptkb:CDMA
|
gptkbp:advantage |
resistant to interference
high capacity soft handoff capability |
gptkbp:contrastsWith |
gptkb:frequency_division_multiple_access
time division multiple access |
gptkbp:developedBy |
gptkb:Qualcomm
|
gptkbp:feature |
allows multiple users to share same frequency band
assigns unique codes to each user enables frequency reuse enables simultaneous communication reduces cross-talk supports voice and data transmission uses pseudo-random codes uses spread-spectrum technology |
https://www.w3.org/2000/01/rdf-schema#label |
Code division multiple access
|
gptkbp:relatedTo |
spread spectrum
orthogonal codes direct-sequence spread spectrum |
gptkbp:standardizedBy |
gptkb:CDMA2000
gptkb:IS-95 gptkb:cdmaOne |
gptkbp:usedIn |
gptkb:Globalstar
gptkb:IS-2000 cellular networks satellite communications 3G mobile telecommunications IS-856 (1xEV-DO) Iridium satellite system UMTS (as W-CDMA) |
gptkbp:bfsParent |
gptkb:Global_Navigation_Satellite_System
gptkb:Global_Navigation_Satellite_Systems |
gptkbp:bfsLayer |
6
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