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CDMA基础资料NOKIA内部资料,CDMA Technol

消耗积分:5 | 格式:rar | 大小:322 | 2009-07-27

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CDMA基础资料NOKIA内部资料:CDMA Technology Information

SECTION.. PAGE
1.0 CDMA Standards History..3
2.0 Reverse/Forward Channels3
3.0 Cell Plan5
3.1 Omni-directional Cell Sites.5
3.2 Sectored Cell Sites..6
4.0 AMPS and CDMA coexistence..6
5.0 Forward Channels6
5.1 Pilot Channels.6
5.1.2 Walsh Codes8
5.2 Synchronization Channel..9
5.3 Paging Channel10
5.4 Traffic Channel12
5.4.1 Forward Vocoder.12
5.4.2 Forward Error Protection12
5.4.3 Interleaving12
5.4.4 Long Code Generation13
5.4.5 Closed Loop Power.13
5.4.6 Walsh code spreading..13
5.4.7 Short Code spreading14
6.0 Reverse Channels.14
6.1 Access Channel:.14
6.2 Traffic Channel15
6.2.1 Reverse Vocoder..15
6.2.2 CDMA Frames16
6.2.3 Reverse Traffic Link.19
6.2.4 Open Loop Power.19
6.2.5 Rake Receiver..19
7.0 HandOffs..20
7.1 Soft Handoff20
7.2 Hard Handoff.21
8.0 Orthogonal Spreading.22
9.0 Differences between IS200 and IS95B.23

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