Welcome
Welcome
CDMA technology uses a feature called DSSS (Direct Sequence Spread Spectrum) that enables the phone to keep communication from being crossed and to use one frequency channel by multiple users in the same specific area. This results in a
The Cellular and PCS CDMA networks consist of MSO (Mobile Switching Office), BSC (Base Station Controller), BTS (Base Station Transmission System), and MS (Mobile Station). The following table lists some major CDMA standards.
*TSB-74: Protocol between an IS-95A system and ANSI J-STD-008
1xRTT system receives twice as many subscribers in the wireless section as
CDMA Standard Designator | Description |
ANSI
Basic Airfrequency band
Interface
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Network | TIA/EIA/IS/651 | ||
| Intersystem operations | ||
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| Speech CODEC | ||
| Short message service | ||
Service | |||
Packet Data | |||
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| Position Determination | ||
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| Service (gpsOne) | ||
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| Cellular base station | ||
| Cellular mobile station | ||
Performance | ANSI | PCS personal station | |
ANSI | PCS base station | ||
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| Speech CODEC |
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