Delay analysis for CBR traffic under static-priority scheduling
IEEE/ACM Transactions on Networking (TON)
Provision of guaranteed services in broadband LEO satellite networks
Computer Networks: The International Journal of Computer and Telecommunications Networking - Special issue on broadband satellite networks: A networking perspective
NETWORKING '02 Proceedings of the Second International IFIP-TC6 Networking Conference on Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; and Mobile and Wireless Communications
Static priority scheduling for ATM networks
RTSS '97 Proceedings of the 18th IEEE Real-Time Systems Symposium
QoS Using Delay-Synchronized Dynamic Priority Scheduling
ISCC '01 Proceedings of the Sixth IEEE Symposium on Computers and Communications
ISCC '01 Proceedings of the Sixth IEEE Symposium on Computers and Communications
A Probabilistic Priority Scheduling Discipline for Multi-Service Networks
ISCC '01 Proceedings of the Sixth IEEE Symposium on Computers and Communications
RTAS '01 Proceedings of the Seventh Real-Time Technology and Applications Symposium (RTAS '01)
On optimal call admission control in cellular networks
INFOCOM'96 Proceedings of the Fifteenth annual joint conference of the IEEE computer and communications societies conference on The conference on computer communications - Volume 1
Adaptive resource allocation for prioritized call admission over an ATM-based wireless PCN
IEEE Journal on Selected Areas in Communications
Resource allocation and connection admission control in satellite networks
IEEE Journal on Selected Areas in Communications
Predictive schemes for handoff prioritization in cellular networks based on mobile positioning
IEEE Journal on Selected Areas in Communications
IEEE Transactions on Wireless Communications
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The Up/Down Link UDL of a Low Earth Orbit LEO satellite constellation is a scarce radio resource that needs to be shared efficiently between many users with different needs. A suitable Connection Admission Control (CAC) policy is required. In our study we assume that the network handles three types of calls: real time (voice) calls with strict constraints over the delay and over the bandwidth, non-real time (data) calls delay tolerant but with bandwidth guarantees requirements and Best Effort calls with no guarantees requirements. In order to ensure priorities are respected, two mechanisms are considered: an "enhanced extended trunk reservation policy", as well as a combination of trunk reservation with priority scheduling in order to derive the Resources Allocation RA. A differentiated RA scheme is proposed, associated with queuing for the lower priority calls. Different unit bandwidths are associated with calls depending on their requirements. The analytical Markovian models for both the differentiated and the non-differentiated trunk reservation systems are first derived, under simplified hypothesis, in order to point out the advantages of the differentiated RA choice. Then, the model for another RA scheme, the combined differentiated trunk reservation/priority scheduling, is also analytically solved under Markovian hypothesis for the different traffic classes. The performance of the two more general versions of the RA techniques thus solved are compared using simulation. Impact of non-Markovian laws is also studied using simulation.