Abstract
Wireless Mesh Network is a promising technology with many challenges yet to be addressed. Novel and efficient algorithms need to be developed for routing and admission control with the objective to increase the acceptance ratio of new calls without affecting the Quality of Service (QoS) of the existing calls and to maintain the QoS level provided for the mobile calls. In this paper, a novel Markov Decision-based Admission Control and Routing (MDACR) algorithm is proposed. The MDACR algorithm finds a near optimal solution using the value iteration method. To increase the admission rate for both types of calls, a multi-homing admission and routing algorithm for handoff and new calls is proposed. This algorithm associates the user with two different access points which is beneficial in a highly congested network and proposes a new routing metric to assure seamless handoff in the network. Our proposed algorithm outperforms other algorithms in the literature in terms of handoff delay, blocking probability, and number of hard handoff.
Highlights
We focus on finding a robust path for new calls in a highly congested network by triggering the multi-homing feature and route the traffic into two maximally jointed paths in order to increase the admission rate and decrease the reordering complexity at the destination
When the congestion is increasing the necessity of using multi-homing is increased in order to reduce the blocking probability for the new call, as the traffic is divided between two different disjoint paths
The routing and admission control is studied jointly in this paper, where a novel routing protocol is merged with multi-homing to get better Quality of Service (QoS) for new and handoff calls in Wireless Mesh Network (WMN)
Summary
The basic wireless infrastructure (or backbone) architecture is formed by the mesh routers, which allow wireless connectivity, routing and gateway functionality. In addition to the IEEE 802.11 radio protocol, a diversified range of radio technologies may be integrated to facilitate the radio communication of the infrastructure. In this architecture, the mesh routers are responsible for creating self-healing, self-configuring links among themselves. How to cite this paper: Khasawneh, F.A., Benmimoune, A. and Kadoch, M. (2016) Joint Routing and Admission Control in Wireless Mesh Network. Communications, Network and System Sciences, 9, 311-325.
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