DEMAND-ASSIGNED MULTIPLE ACCESS

Satellite Communications Glossary

Satellite Communications — Multiple access — Demand-assigned multiple access

 

 

 

 

 

 

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Information on Demand-assigned multiple access

Demand-assigned multiple access (DAMA) in satellite communications, is one of the two main techniques for allocating satellite channels to satellite communications users. In fixed-assigned multiple access (FAMA), each satellite communications user is allocated a channel permanently, whether they use it or not. This is inefficient and most multiple-access systems use demand-assigned multiple access (DAMA) in which the available channels on the satellite are allocated on an as-required basis to users. When the user is finished with the demand-assigned multiple access (DAMA) channel it is relinquished and made available for another user.


Other topics in our resources on Satellite Communications related to Demand-assigned multiple access include: 
 
  • Fixed-assigned multiple access (FAMA)
  • Aloha
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  • Time-division multiple access (TDMA)
  • Frequency-division multiple access (FDMA)
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  • Access Technique
  • Code-division multiple access (CDMA)

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