Frequency Division Multiple Access (FDMA)

FDMA is the basic technology for advanced mobile phone services. The features of FDMA are as follows.

  • FDMA allots a different sub-band of frequency to each different user to access the network.
  • If FDMA is not in use, the channel is left idle instead of allotting to the other users.
  • FDMA is implemented in Narrowband systems and it is less complex than TDMA.
  • Tight filtering is done here to reduce adjacent channel interference.
  • The base station BS and mobile station MS, transmit and receive simultaneously and continuously in FDMA.

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