Space Division Multiple Access (SDMA)

Space division multiple access or spatial division multiple access is a technique which is MIMO (multiple-input multiple-output) architecture and used mostly in wireless and satellite communication. It has the following features.

  • All users can communicate at the same time using the same channel.
  • SDMA is completely free from interference.
  • A single satellite can communicate with more satellites receivers of the same frequency.
  • The directional spot-beam antennas are used and hence the base station in SDMA, can track a moving user.
  • Controls the radiated energy for each user in space.

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