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Communication Dans Un Congrès Année : 2009

Asymptotic Delay Analysis and Timeout-Based Admission Control for Ad Hoc Wireless Networks

Résumé

In this paper, we present an analytic model for evaluating average packet delay and achievable end-to-end goodput in a collision channel based multihop wireless ad hoc networks. We consider each node operates not only as a host but also as a router, i.e., the packets may have to be forwarded by several intermediate nodes before they reach their destinations. The end-to-end delay of a connection and through-put of this network depend on the number of nodes, the source traffic characteristics, the number of retransmissions at nodes, the forwarding cooperation level and the behavior of the MAC protocol. Our analysis gives expressions for the queue length and the delay in terms of probability generating functions. In addition to address routing and transmission scheduling, we adopt a cross-layer design that allows information sharing across different layers for efficient utilization of network resources, and meeting the end-to-end performance requirements of demanding applications. Furthermore, we propose a packet admission control scheme based on delay timeout mechanism. This guarantees quality of service for mul-timedia applications such as voice and video streaming. Afterward we conduct extensive simulations in order to verify our analytical results.

Dates et versions

hal-01315383 , version 1 (13-05-2016)

Identifiants

Citer

Rachid El-Azouzi, Sujit K Samanta, E Sabir, Ralph El-Khoury. Asymptotic Delay Analysis and Timeout-Based Admission Control for Ad Hoc Wireless Networks. 8th International Conference, ADHOC-NOW, Oct 2009, Murcia, Spain. ⟨10.1007/978-3-642-04383-3_7⟩. ⟨hal-01315383⟩

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