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Compare of WCDMA and CDMA 2000.

written 5.8 years ago by teamques10 ★ 67k

•   modified 5.3 years ago

mobile communication

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written 5.8 years ago by teamques10 ★ 67k

Parameter	WCDMA	CDMA 2000
Carrier spacing: spacing between CDMA operators to obtain channel protection	5MHz	3.75MHz
Chip rate: no. of DSSS pulses per/second	4.096MHz	3.68MHz
Spreading Factor:,SF=chip rate/ data rate	Higher	Lower
Power Control Frequency	1500Hz	800Hz
Frame Duration	10ms	20ms,(also uses 5,30,40ms)
Base Stations	Asynchronous	synchronous
Forward link pilot: Channel modulated only by PNC (Pseudo Noise Spreading codes)	TDM dedicated pilot	CDM common pilot
Antenna Beam Forming	TDM, Dedicated port	Auxiliary port
Bandwidth	5MHz	1.25MHz
User Separation	CDM/TDM,(shared channel)	CDM, TDM,(scheduler)

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