Code Division Multiple Access (CDMA)

URI: https://gptkb.org/entity/Code_Division_Multiple_Access_(CDMA)
GPTKB entity
Statements (35)
Predicate Object
gptkbp:instanceOf gptkb:multiple_access_method
gptkbp:basisFor gptkb:CDMA2000
gptkb:UMTS
gptkb:WCDMA
gptkbp:competitor gptkb:GSM
gptkb:TDMA
gptkbp:deployment 1995
gptkbp:developedBy gptkb:Qualcomm
gptkbp:enables simultaneous transmission and reception
multiple users to share same frequency band
gptkbp:feature resistance to interference
high capacity
frequency reuse
power control
soft handoff
multipath resistance
security through code separation
soft capacity limit
gptkbp:standardizedBy gptkb:CDMA2000
gptkb:IS-95
gptkbp:usedBy gptkb:China_Unicom
gptkb:Sprint
gptkb:Verizon_Wireless
gptkbp:usedIn cellular networks
satellite communications
radio communications
3G mobile networks
gptkbp:uses pseudo-random codes
spread spectrum technology
unique codes for each user
gptkbp:bfsParent gptkb:Mobile_Networks
gptkb:Orthogonal_Frequency_Division_Multiple_Access_(OFDMA)
gptkb:Satellite_Communications
gptkbp:bfsLayer 7
https://www.w3.org/2000/01/rdf-schema#label Code Division Multiple Access (CDMA)