1.

Which of the following multiple access techniques are used by second generation cellular systems?(a) FDMA/FDD and TDMA/FDD(b) TDMA/FDD and CDMA/FDD(c) FDMA/FDD and CDMA/FDD(d) FDMA/FDD onlyThis question was addressed to me during an online exam.I would like to ask this question from Second Generation (2G) Cellular Networks topic in chapter Modern Wireless Communication Systems of Wireless/Mobile

Answer»

The CORRECT answer is (b) TDMA/FDD and CDMA/FDD

To explain: First generation cellular system used FDMA/FDD techniques. SECOND generation STANDARDS uses TDMA/FDD and CDMA/FDD multiple access techniques. 2G networks are digital.



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