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Efficient scheduling algorithm for demand-assigned TDMA satellite systems

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2 Author(s)
Durrani, S.H. ; NASA Goddard Flight Center, Greenbelt, MD, USA ; Jo, K.Y.

An efficient scheduling algorithm (stations burst plan) for demand-assigned time-division multiple-access (TDMA) satellite network systems is introduced. The total demand for transmitting data through a transponder may exceed the available bit-rate capacity, and a scheduler of the system wishes to utilize the system with minimum changes of slot allocations while maximizing throughputs. By implementing such a burst-plan algorithm, transmission of all demanded data traffic can be completed with minimum unused resources (idle slots). The underlying ideas adopted for the algorithm are that jobs with shorter remaining processing times should have higher priorities and that as many jobs are processed at a time as possible. The algorithm is particularly useful for deriving smooth burst plans for a satellite system with a large number of ground stations.<>

Published in:

Aerospace and Electronic Systems, IEEE Transactions on  (Volume:25 ,  Issue: 2 )