Comparison of two MAC protocols based on LEO satellite networks

Mingxiang Guan; Ruichun Wang

doi:10.1117/12.855773

2 April 2010 Comparison of two MAC protocols based on LEO satellite networks

Mingxiang Guan, Ruichun Wang

Proceedings Volume 7651, International Conference on Space Information Technology 2009; 76511M (2010) https://doi.org/10.1117/12.855773
Event: International Conference on Space Information Technology 2009, 2009, Beijing, China

Abstract

With the development of LEO satellite communication, it is the basic requirement that various kinds of services will be provided. Considering that weak channel collision detection ability, long propagation delay and heavy load in LEO satellite communication system, a valid adaptive access control protocol APRMA is proposed. Different access probability functions for different services are obtained and appropriate access probabilities for voice and data users are updated slot by slot based on the estimation of the voice traffic and the channel status. Finally simulation results demonstrate that the performance of system is improved by the APRMA compared with the conventional PRMA, with an acceptable trade-off between QoS of voice and delay of data. Also the APRMA protocol will be suitable for HAPS (high altitude platform station) with the characters of weak channel collision detection ability, long propagation delay and heavy load.

Citation Download Citation

Mingxiang Guan and Ruichun Wang "Comparison of two MAC protocols based on LEO satellite networks", Proc. SPIE 7651, International Conference on Space Information Technology 2009, 76511M (2 April 2010); https://doi.org/10.1117/12.855773

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