Code Division Multiple Access (CDMA)
GPTKB entity
Statements (35)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
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 |
| https://www.w3.org/2000/01/rdf-schema#label |
Code Division Multiple Access (CDMA)
|
| 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
|