Cdma2000 works in TDD mode only. a) True b) False Answer : b) False...
Which of the following multiple access techniques are used by second generation cellular systems? a) FDMA/FDD and TDMA/FDD c c) FDMA/FDD and CDMA/FDD d) FDMA/FDD only Answer : b) TDMA/FDD and CDMA/FDD...
W-CDMA requires a complete change of RF equipment at each base station. a) True b) False Answer : a) True...
2G and 2.5G CDMA operators may selectively introduce 3G capabilities at each cell without changing entire base stations and reallocate spectrums. a) True b) False Answer : a) True...
PCS/PCN provides only wired communication. a) True b) False Answer : b) False...
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