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Performance analysis of a PRMA protocol suitable for voice and data transmissions in low Earth orbit mobile satellite systems

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4 Author(s)
Benelli, G. ; Dipt. di Ingegneria dell''In formazione, Siena Univ., Italy ; Fantacci, R. ; Giambene, G. ; Ortolani, C.

Mobile satellite systems (MSSs) are expected to play a significant role in providing users with communication services worldwide. In such a context, low Earth orbit (LEO) satellite constellations seem to be a good solution to attain a global coverage and to allow the use of low-power lightweight mobile terminals. This paper analyzes the performance of a novel medium access control (MAC) scheme suitable for applications in LEO-MSSs, named packet reservation multiple access with hindering states (PRMA-HS), that has been derived by proper modifications of the well-known PRMA protocol. We envisage a mixed traffic with voice sources and data sources with different quality of service (QoS) requirements. The good behavior of the proposed PRMA-HS scheme is validated by extensive comparisons with the classical PRMA protocol. Finally, it is shown that PRMA-HS efficiently supports integrated voice and data traffic in LEO-MSSs

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Wireless Communications, IEEE Transactions on  (Volume:1 ,  Issue: 1 )