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Recently, wireless mesh networks (WMNs) have drawn significant attention from academia and industry as a fast, easy, and inexpensive solution for broadband wireless access. In WMNs, many important applications, such as mobile TV and video/audio conferencing, require the support of multicast. In this paper, we address the issue of multicast cooperative communications over WMN. Specifically, we identify...
Applications using grid computing infrastructure usually require resources allocation to satisfy their quality of service (QoS) requirements. Given that the grid infrastructure is a set of computing resources geographically distributed, the support of grid applications requires the allocation of computing resources and bandwidth to enable communication among these resources. The objective is to accommodate...
Our goal is to propose a unified/generalized model for the Wireless Mesh Networks (WMNs) design problem taking into account all the parameters that have a significant impact on WMNs. In the WMNs design literature, different studies take into account traffic demand, interference, multi-channel, transmission power, potential locations of wireless routers/gateways and node's characteristics (number of...
Due to the limited capacity of the nodes' batteries, energy is a critical resource in wireless mobile networks (e.g., wireless sensor networks: WSNs). Clustering is an effective approach to reduce total energy consumption; indeed, only cluster heads and gateways forward traffic. However, without proper distribution of energy consumption among the nodes, gains in total energy consumption do not necessarily...
Applications utilizing Grid computing infrastructure usually require resources allocation (e.g., bandwidth and CPU) to satisfy their quality of service (QoS) requirements. Given the dynamic nature of grid computing, QoS support and adaptation must be a high priority to successfully support those applications. In this paper, we present an adaptive resources provisioning scheme that optimizes the resources...
Burst loss is the major problem that faces the development of optical burst switching (OBS) networks. The burst loss is caused by the contention which affects badly OBS performance, especially under a high load. In this paper we propose two schemes: anticipated retransmission (called AR) and admission control (called QAC). AR aims at reducing the burst loss. The basic idea behind AR is to anticipate...
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