Comparison between 3G Technologies

In this post we will compare different 3G technologies. Comparison is done using Receiver structure, Support closed-loop power control, Handoff, Demodulation mode, Chip rate, Transmit diversity mode, Synchronization mode and Core network. This is shown in the following table.
 
WCDMA
cdma2000
TD-SCDMA
Receiver structure
Rake
Rake
Rake
Support closed-loop power control
Yes
Yes
Yes
Handoff
Soft handoff and hard handoff
Soft handoff and hard handoff
Relay handoff
Demodulation mode
Coherence demodulation
Coherence demodulation
Coherence demodulation
Chip rate (Mcps)
3..8
N*1228
1.2
Transmit diversity mode
TST, STT, and FBT
OT and ST
None
Synchronization mode
Asynchronous
Synchronous
Synchronous
Core network
GSM
ANSI-41
GSM

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