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 66 for “"Wireless Mesh"”.
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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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Adaptive secure network model for dynamic wireless mesh network
… One possible solution is a dynamic distributed wireless mesh network as it provides all the features of a traditional network along with the flexibility of wireless communication and an infrastructure less distributed setup. The network can be created by connecting mobile or stationary devices …
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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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Anonymous and Secure Communication in a Wireless Mesh Network
… the rapid advancement of different types of wireless technologies the problem arose of combining them together to provide improved bandwidth and enhanced throughput. The answer came out in the form of a Wireless Mesh Network (WMN). A typical WMN is made up of mesh routers and mesh clients …
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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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Underground Wireless Mesh Communication Infrastructure Design Prediction and Optimization
… and emergency operations. The coverage area of a wireless mesh communication system can be calculated using the tool, COMMs, developed and discussed in this document. This tool can also be used to explore emergency operations, or operations where the mesh infrastructure is degraded or destroyed. …
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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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Providing fairness and maximising throughput in 802.11 wireless mesh network.
… two questions: how to provide fairness in 802.11 wireless mesh networks and how to maximize the overall throughput in an distributed way. Fairness and efficiency are two fundamental issues in wireless networks, which are widely researched in both wired and wireless networks. We consider 802.11 …
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Improving the scalability of MAC protocols in wireless mesh network
Efficient utilization of multi-channels is critical for the success of multi-channel MACprotocols. Unfortunately, current multi-channel MAC protocols are not efficient in the utilization of the multiple channels. The poor utilization of the available channels is also affected by the following: …
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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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Design Criteria for Wireless Mesh Communications in Underground Coal Mines
… not just require underground mines to integrate wireless communication and tracking systems, but aims to overall enhance health and safety in mining at both surface and underground operations. In 2006, the underground communication technologies available to the mining industry had inherent …
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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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Design of a wireless mesh sensor network for a housing community
Wireless mesh sensor networks are typically a cluster of intelligent radio nodes which transfer data between each other directly in a hop, or indirectly through two or more hops via adjacent nodes. These nodes contain one or more sensors. Wireless mesh sensor networks provide a solution in …
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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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