Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 39 for “"Wireless Mesh Networks"”.
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Efficient flooding for wireless mesh networks
Flooding in wireless mesh networks involves distributing some data from one node to rest of the nodes in the network. This dissertation proposes UFlood, a flooding protocol for wireless mesh networks that targets large file transfers, such as software updates, where achieving high throughput …
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Optimal transmitter placement in wireless mesh networks
Wireless mesh networks are systems of wireless access points interconnected in a mesh to provide digital services to client devices via radio transmission. We consider the challenges of quickly and optimally designing a wireless mesh network. We focus on maximizing client coverage area by choice of …
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Handoff Management Schemes in Wireless Mesh Networks
Recent advances in Wireless Mesh Networks (WMNs) have overcome the drawbacks of traditional wired networks and wireless ad hoc networks. WMNs will play a leading role in the next generation of networks, and the question of how to provide smooth mobility for WMNs is the driving force behind the …
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Voice Call Capacity Over Wireless Mesh Networks
… two, three and four hop, 5.5 Mbps IEEE 802.11 wireless links have an upper-bound of eight, six, five, and three voice calls respectively. We then consider a carrier sensing range and a path loss model and compare them with the ideal case. We observe, after considering a carrier sensing range …
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Throughput and coverage improvement in wireless mesh networks
In a wireless mesh network, nodes known as transit access points (TAPs) cooperatively forward traffic from users that may be multiple wireless hops apart. A limited number of TAPs also have a connection directly to the Internet, serving as gateway nodes that provide Internet connectivity to the …
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Performance evaluation of routing metrics for wireless mesh networks
… has a potential to improve performance of a wireless network. A number of routing metrics were designed with mobile ad hoc networks (MANETs) in mind. These routing metrics might be useful in wireless mesh networks (WMNs) but the fact that WMNs and MANETs are two different types of wireless …
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Improving Inter-service bandwidth fairness in Wireless Mesh Networks
… management of bandwidth in next generation wireless network is therefore important for ensuring fairness in bandwidth allocation amongst multiple services with diverse quality of service needs. A number of algorithms have been proposed for fairness in bandwidth allocation in wireless …
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Evaluation study of Leader Selection Algorithms in Wireless Mesh Networks
Wireless Mesh Network (WMN) is a group of wireless devices which can dynamically communicate with one another in multi-hop manner. Wireless mesh networks (WMNs) are getting more attention and recognition as a scalable substitute for Wired Network infrastructure. The rising popularity of WMNs has …
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Municipal wireless mesh networks as a competitive broadband delivery platform
… there has been a growing interest in deploying Wireless Mesh Networks by municipalities. This interest stems from the desire to provide broadband connectivity to users lacking access to broadband alternatives. The ubiquity of these networks will create more opportunities for new wireless-based …
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Distance-1 constrained channel assignment in single radio wireless mesh networks
… access design for single-radio multi-channel mesh networks. Two prior approaches include: (i) designing MAC protocols that dynamically select channels based on local information and (ii) partitioning the mesh into subnetworks with different channels and using IEEE 802.11 as the medium access …
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Topology control for wireless mesh networks and its effect on network performance
InfrastructureWireless Mesh Networks (I-WMNs) are increasingly used to provide network connectivity and Internet access to previously under-served areas in the developing world. It is common for some of these deployments to be battery-powered due to a lack of electrical infrastructure in the …
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A Solution to optimal and fair rate adaptation in wireless mesh networks
Current wireless networks still employ techniques originally designed for their xed wired counterparts. These techniques make assumptions (such as a xed topology, a static enviroment and non-mobile nodes) that are no longer valid in the wireless communication environment. Furthermore, the …
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A new connectivity strategy for wireless mesh networks using dynamic spectrum access
… marked an important juncture in the evolution of wireless networks. DSA is a spectrum assignment paradigm where devices are able to make real-time adjustment to their spectrum usage and adapt to changes in their spectral environment to meet performance objectives. DSA allows spectrum to be used …
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Impact of Node Location on Quality of Service in Infrastructure Wireless Mesh Networks
Infrastructure Wireless Mesh Networks are designed as a possible solution to provide Internet connectivity to the rural community. This is because of its architecture which possesses capabilities such as dynamic self-forming, self-healing, and self-configuration. Infrastructure Wireless Mesh …
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Integrated Mobility and Service Management for Network Cost Minimization in Wireless Mesh Networks
… management for network cost minimization in Wireless Mesh Networks (WMNs). We first investigate the problem of mobility management in WMNs for which we propose two efficient per-user mobility management schemes based on pointer forwarding, and then a third one that integrates routing-based …
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Evaluating the effect of quality of service mechanisms in power-constrained wireless mesh networks
Wireless Mesh Network (WMN) is a collection of wireless nodes which can dynamically communicate with one another in multi-hop manner. This network has received considerable attention as a means to connectivity in community and commercial entities. The easy deployment and self-management …
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Analysis and Cross -Layer Design of Medium Access and Scheduling in Wireless Mesh Networks
Due to the characteristics of wireless PHY/MAC, cross-layer design is needed to achieve good performance in multihop wireless mesh networks. We propose a cross-layer scheme to coordinate the operations of different layers in IEEE 802.16 backhaul mesh networks where the nodes are equipped with …
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Performance study on a dual prohibition Multiple Access protocol in mobile Ad Hoc and Wireless Mesh networks
Wireless networks are less reliable than wired networks because channels are “exposed” to the surrounding environment that is susceptible to interference and noise. To minimize losses of data due to collisions, wireless networks need a mechanism to regulate the access on the transmission medium. …
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Measurement and analysis of real-world 802.11 mesh networks
Despite many years of work in wireless mesh networks built using 802.11 radios, the performance and behavior of these networks in the wild is not well understood. This is primarily due to a lack of access to data from a wide range of these networks; most researchers have access to only one or two …
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