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Call admission protocols play a central role in determining the perfor-mance of any network. The call admission protocol must decide either
 

Summary: Abstract
Call admission protocols play a central role in determining the perfor-
mance of any network. The call admission protocol must decide either
to accept the call or reject it, in the same time it must deals with differ-
ent classes of calls that require different bandwidth requirements, dif-
ferent quality of service (QoS), and having different priorities. In the
same time it must maintain some form of fairness (depends on QoS) and
maintain a reasonable utilization of the channel. In this paper, we as-
sume a cellular system and we present a new call admission protocol.
Our protocol is simple to implement, and it can support differentiated
fairness in call acceptance. We also present a Markov chain represen-
tation of a system using our proposed protocol. Finally we present sim-
ulation results in order to compare our protocol to previous protocols
and show that our protocol can achieve the required differentiated fair-
ness without sacrificing the channel utilization.
1. Introduction
Admission control protocols play a crucial role in the perfor-
mance of any network. When deciding whether to admit a call
or not, many factors must be taken into consideration. Most of
these factors are contradictory. A good Call Admission Control

  

Source: Aboelaze, Mokhtar - Department of Computer Science, York University (Toronto)

 

Collections: Computer Technologies and Information Sciences