3G W-CDMA (UMTS) MCQ’s

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This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on “3G W-CDMA (UMTS)”.

1. UMTS use which multiple access technique?
a) CDMA
b) TDMA
c) FDMA
d) SDMA

2. UMTS does not has backward compatibility with ____________
a) GSM
b) IS-136
c) IS-95
d) GPRS

3. What is the full form of UMTS?
a) Universal Mobile Telephone System
b) Ubiquitous Mobile Telephone System
c) Ubiquitous Mobile Telemetry System
d) Universal Machine Telemedicine System

4. UMTS is also known as _____________
a) IS-95
b) GPRS
c) CdmaOne
d) W-CDMA

5. W-CDMA works in FDD mode only.
a) True
b) False

6. What is the chip rate of W-CDMA?
a) 1.2288 Mcps
b) 3.84 Mcps
c) 270.833 Ksps
d) 100 Mcps

7. How much packet data rate per user is supported by W-CDMA if the user is stationary?
a) 2.048 Kbps
b) 100 Mbps
c) 2.048 Mbps
d) 1 Gbps

8. W-CDMA requires a complete change of RF equipment at each base station.
a) True
b) False

9. How much increase in spectral efficiency is provided by W-CDMA in comparison to GSM?
a) Two times
b) Three times
c) No increase
d) Six times

10. What is the minimum spectrum allocation required by W-CDMA?
a) 5 MHz
b) 20MHz
c) 1.25 MHz
d) 200 KHz

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