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Connection admission control (CAC) and resources allocation (RA) on the up/down link (UDL) in a low Earth orbit (LEO) satellite constellation

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2 Author(s)

We study a multi-service connection admission control (CAC) policy and we derive the corresponding resources allocation (RA) mechanism to access the up/down link (UDL) in a low Earth orbit (LEO) satellite constellation used as an access network to a mobile terrestrial network. We propose the usage of a trunk reservation policy for bandwidth reservation that allows the network to route the call on the satellite where the blocking probability is a minimum. In our study, we assume that the network handles three types of call: real time voice calls, non-real time data calls with guaranteed bandwidth and non-real time elastic data calls. A Markovian modelling approach is used to analyse the bandwidth occupation and derive the analytical model for the RA scheme

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Computers and Communications, 2001. Proceedings. Sixth IEEE Symposium on

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