A short description “TDMA definition and main features TDMA”

A short description “TDMA definition and main features TDMA”

Definition of TDMA:

  • Time Division Multiple Access (TDMA) systems divide the radio spectrum into time slots and each time slot is assigned to only one user.
  • In TDMA/TDD half of the time slots in the frame information message would be used for the forward link channels and half would be used for reverse link channel.
  • In TDMA/FDD the carrier frequencies would be different for forward and reverse link. An identical frame structure would be used for either forward or reverse transmission.
  • In a TDMA frame, the preamble contains the address and synchronization information that both the BS and subscriber used to identify each other.Definition of TDMA

Main Features of TDMA:

  • Share a single channel by several users
  • Data transmission is not continuous
  • Duplexer not required
  • High synchronization overhead is required
  • It is possible to allocate different number of slots to a user

#Ref book: Wireless Communication and Networking – V.K. Garg

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