How does UMTS differ than HSPA?

Question added by Rana Alnajjar , Web developer , Lebcards
Date Posted: 2013/07/03

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UMTS (universal mobile telecommunication system)for voice and data and the modulation technique is QPSK

HSPA(high speed packet access for data only and the modulation technique vary QPSK16 QAM64QAM .

HSPA+ using the mimo

UMTS is3rd mobile generation technology for voice and data transfer, HSPA is enhancement of UMTS for high speed data tranfer.

Which of the following use different modulation in DL and UL AMPS, GSM, EGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA, HSPA+, WiMAX, LTE, LTE-A
Top Answer: HSDPA, HSUPA, HSPA, HSPA+ See More

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How commonly used is UMTS in the Middle East?
Top Answer: UMTS is the3G standard used in KSA. So it is used very common. See More

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GGSN in UMTS is similar to which of LTE node and why?
Top Answer: It is not completely right to compare UMTS and LTE nodes as we are talking about a completely di ... See More

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How do I change from UMTS to GSM?
Top Answer: It depends on the SIM & Mobile phone you are using. Normally all the SIM cards are both UMTS & GS ... See More

Answers (1)

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