wcdma空中接口培圳资料

WCDMA Air Interface Training 
Part1 CDMA Wireless Technology
Evolution from 2G to 3G
The CDMA Transmitter
Voice Coding
CRC Coding
FEC Coding
Interleaving
Channelization Coding (Orthogonal/Walsh Codes)
Spread Spectrum Multiple Access Coding (PN Codes)
Serial-to-Parallel Data Conversion
Spectral Containment Filtering
I/Q Modulation
Part 2 CDMA Power Control,RAKE Receiver,and Soft Handover
CDMA Reception Issues
Unequal received power levels degrade SSMA performance
Near-Far Ratio, terrain, RF obstacles, “Turn-the-Corner” effects, ...
Multipath fading cancellation
Time of Arrival delay spread
Part 3 CDMA Capacity Considerations
Cell Planning
FDMA systems
Frequency Reuse Planning
SNR Link Budget
TDMA systems
Frequency Reuse Planning
Timeslot Allocation
SNR Link Budget
CDMA systems
Code Reuse Planning
SNR Link Budget
Interference Link Budget