RAACM: Resource Allocation for Admission Control in MANET

Aina, Folayo orcid iconORCID: 0000-0002-3795-2406, Yousef, Sufian and Osanaiye, Opeyemi (2019) RAACM: Resource Allocation for Admission Control in MANET. International Journal of Wireless Information Networks, 26 (3). pp. 243-256. ISSN 1068-9605

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Official URL: http://dx.doi.org/10.1007/s10776-019-00432-z


As wireless mobile network becomes widespread, the demand for user application is higher and the services provided by
the wired application is expected to be available in the wireless medium. Therefore, the users of these applications will
expect the same quality of service (QoS) obtained in wired network. Providing a reliable QoS in wireless medium, especially
mobile ad-hoc network (MANET), is quite challenging and remains an ongoing research trend. The key issue of MANET
lies around the ability to accurately predict the needed and available resources to avoid interference with ongoing traffic. An
essential solution to the issues posed by MANET is the introduction of an admission control component for a guaranteed
QoS. Admission control helps to control the usage of resources when an additional service is requested. For an admission
decision to be made for a new flow, the expected bandwidth consumption must be correctly predicted prior to admission,
notwithstanding the fact that wireless medium is shared and nodes contends among themselves to access the medium. The
novelty of this research work is the proposed resource allocation for admission control in MANET (RAACM) solution which
is an admission control scheme that estimates the available bandwidth needed within a network using a robust and accurate
resource estimation technique. Furthermore, the various factors that must be considered for an effective estimation were
highlighted and simulations were carried out. Results obtained show that our proposed scheme for MANET outperforms
existing state-of-the-art approaches for admission control with bandwidth estimation. Part of this success is associated with
its assumption about the idle channel period, which prevents the overestimation and underestimation of the existing bandwidth
measurement. RAACM considers the dependency of two adjacent node idle channel occupancy by differentiating the
networks BUSY state from the SENSE BUSY state and the IDLE state caused by an empty queue to give a better estimation.

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