CDMA Digital Cellular Standard (IS-95)

Wireless & Mobile Communications

This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on “CDMA Digital Cellular Standard (IS-95)”.

1. US digital cellular system based on CDMA was standardized as ________
a) IS-54
b) IS-136
c) IS-95
d) IS-76

2. IS-95 was not compatible with existing AMPS frequency band.
a) True
b) False

3. Which of the following is used by IS-95?
a) DSSS
b) FHSS
c) THSS
d) Hybrid

4. Each IS-95 channel occupies ___________ of spectrum on each one way link.
a) 1.25 MHz
b) 1.25 kHz
c) 200 kHz
d) 125 kHz

5. IS-95 uses same modulation technique for forward and reverse channel.
a) True
b) False

6. IS-95 is specified for reverse link operation in _________ band.
a) 869-894 MHz
b) 849-894 MHz
c) 849-869 MHz
d) 824-849 MHz

7. User data in IS-95 is spread to a channel chip rate of ________
a) 1.2288 Mchip/s
b) 9.6 Mchip/s
c) 12.288 Mchip/s
d) 0.96 Mchip/s

8. __________ are used to resolve and combine multipath components.
a) Equalizer
b) Registers
c) RAKE receiver
d) Frequency divider

9. CT2 was the first generation of cordless telephones.
a) True
b) False

10. CT2 is analog version of first generation cordless telephones.
a) True
b) False

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