CDMA (Code Division Multiple Access)

GPTKB entity

Predicate	Object
gptkbp:instanceOf	multiple access technology
gptkbp:allows	multiple users to share same frequency band
gptkbp:basisFor	gptkb:CDMA2000 gptkb:IS-95 gptkb:cdmaOne gptkb:IS-2000 gptkb:IS-856 gptkb:UMTS gptkb:WCDMA
gptkbp:competitor	gptkb:FDMA gptkb:GSM gptkb:TDMA
gptkbp:deployment	1995
gptkbp:developedBy	gptkb:Qualcomm
gptkbp:enables	secure communication high spectral efficiency resistance to interference frequency reuse power control soft handoff cell breathing soft capacity limit simultaneous data and voice transmission
https://www.w3.org/2000/01/rdf-schema#label	CDMA (Code Division Multiple Access)
gptkbp:relatedTo	gptkb:OFDMA gptkb:DS-CDMA gptkb:FH-CDMA
gptkbp:replacedBy	gptkb:5G_NR LTE
gptkbp:standardizedBy	gptkb:TIA gptkb:3GPP2
gptkbp:usedBy	gptkb:Reliance_Communications gptkb:KDDI gptkb:China_Telecom gptkb:Sprint gptkb:Verizon_Wireless
gptkbp:usedIn	gptkb:4G_networks gptkb:CDMA2000_standard gptkb:IS-856_standard gptkb:IS-95_standard wireless networks mobile communication satellite communication 3G networks 2G networks
gptkbp:uses	gptkb:Walsh_codes spread spectrum technology code division multiplexing pseudo-random noise codes unique code for each user
gptkbp:bfsParent	gptkb:CDMA2000_1x gptkb:CDMA2000_1xEV-DO gptkb:Time_Division_Synchronous_Code_Division_Multiple_Access gptkb:TDMA_(Time_Division_Multiple_Access)
gptkbp:bfsLayer	7