Spread slotted ALOHA techniques for mobile and personal satellite communication systems

The objective is to develop a general theoretical framework for a class of spread slotted ALOHA (SSA) systems. The contributions include: modeling of a generalized spread slotted ALOHA (SSA) system; derivation of computationally efficient closed form expressions for the SSA system throughput and del...

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Bibliographic Details
Published in:IEEE journal on selected areas in communications 1992-08, Vol.10 (6), p.985-1002
Main Authors: Makrakis, D., Murthy, K.M.S.
Format: Article
Language:English
Subjects:
Delay systems
Low earth orbit satellites
Power system modeling
Power transmission
Propagation losses
Satellite communication
Spread spectrum communication
Telecommunication traffic
Throughput
Timing
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Summary:The objective is to develop a general theoretical framework for a class of spread slotted ALOHA (SSA) systems. The contributions include: modeling of a generalized spread slotted ALOHA (SSA) system; derivation of computationally efficient closed form expressions for the SSA system throughput and delay taking into account receiver complexity; and presentation of numerical results to validate the derivation as well as to substantiate the superior performance of the proposed scheme. The results demonstrate that SSA schemes offer significant improvements in terms of throughput, delay, and network stability against excessive loading at very acceptable levels of receiver implementation complexities. Also, SSA is found to be highly robust to errors in the time of arrivals and eliminates the need for a guard time.< >
ISSN:0733-8716
1558-0008
DOI:10.1109/49.144885