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Compare UMTS with CDMA 2000.

written 7.0 years ago by teamques10 ★ 70k

•   modified 4.0 years ago

Subject: Mobile Communication

Difficulty: Medium

Marks: 4 marks

mobile communication

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written 7.0 years ago by teamques10 ★ 70k

Sr No	PARAMETERS	UMTS	CDMA
1	Channel Bandwidth	The minimum spectrum requirement is 5 MHz.	The minimum spectrum requirement is 1.25 MHz.
2	Chip rate	3.84Mcps	1.2288 Mcps or 3.6864 Mcps
3	Frame duration	10ms or optional frame Duration 20ms (voice and data applications)	5ms,10ms or 20ms
4	Packet Data rates	It provides a data rate up to 2.048 Mbps per user	It provides a data rate up to 307Kbps for a user in packet mode and a typical throughput rate of 144 kbps per user.
5	Backward Comparability	GSM	CDMA
6	Power control frequency	1.5 MHz	800Hz
7	Base Station	Asynchronous	Synchronous

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