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Comparison of satellite and cellular architectures for downlink broadcast data transmission
Author(s) -
Sridhar Adarsh,
Ephremides Anthony
Publication year - 2006
Publication title -
international journal of satellite communications and networking
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.388
H-Index - 39
eISSN - 1542-0981
pISSN - 1542-0973
DOI - 10.1002/sat.844
Subject(s) - computer science , telecommunications link , computer network , throughput , energy consumption , queueing theory , satellite , queue , transmission (telecommunications) , real time computing , telecommunications , wireless , ecology , engineering , biology , aerospace engineering
Traditional voice and video‐oriented networks such as the cellular and satellite networks are being increasingly used to carry data traffic. We endeavour to compare the downlink broadcast performance of the two architectures against each other on the basis of energy consumption, end‐to‐end delay and maximum stable throughput. The architectures are modelled as systems of Geo/G/1 queues. Queuing theory arguments and then sample‐path based comparisons are used to show that the satellite architecture while being more energy‐efficient has a higher delay and a lower maximum throughput. The variation of energy and delay with the total number of receiver nodes is also studied. Copyright © 2006 John Wiley & Sons, Ltd.

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