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 21 for “"Multipath Routing"”.
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Load distribution and energy awareness in manets using multipath routing
… and frequent topological changes. Traditional routing protocols seek only single paths to the desired destinations, while multipath routing obtains multiple paths for only marginal additional overhead. This work argues that multipath routing is advantageous, even allowing for the additional …
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Multipath routing and quality of service support for mobile ad hoc networks
… The design of an efficient and reliable routing scheme and Quality of Service (QoS) support for MANETs is a major challenge. Unlike traditional routing schemes that seek only single path, multipath routing allows the establishment of multiple paths for routing between a source-destination …
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DYNAMIC ADAPTATION OF BANDWIDTH GRANULARITY FOR MULTIPATH ROUTING IN ELASTIC OPTICAL OFDM-BASED NETWORKS
… fragmentation in optical single-/multi-path routing transmission on the efficiency of the elastic optical networks. O-OFDM multicarrier transmission is a promising technique that makes it possible to choose just an adequate portion of available spectrum to satisfy the requested capacity. This …
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Dynamic Redundancy Management of Multisource Multipath Routing Integrated with Voting-based Intrusion Detection in Wireless Sensor Networks
… for redundancy management of multisource multipath routing for fault and intrusion tolerance, and majority voting for intrusion detection, with the goal of maximizing the WSN lifetime while satisfying application quality-of-service and security requirements, for base station based WSNs, …
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Path Selection for Performance- and Security-Improved Onion Routing
… communication networks through the use of multipath routing is introduced. Practical techniques are presented allowing implementation in current networks without fundamental architectural changes. Analysis of the performance of multipath routing in combination with the previously presented …
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An architecture for network path selection
Traditional routing protocols select paths based on static link weights and converge to new paths only when there is an outright reachability failure (such as a link or router failure). This design allows routing scale to hundreds of thousands of nodes, but it comes at the cost of functionality: …
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Multipath "Fresnel Zone" Routing for Wireless Ad Hoc Networks
Prior research in routing for wireless ad hoc networks has shown that multipath routing can enhance data delivery reliability and provide load balancing. Nevertheless, only a few multipath routing algorithms have been proposed and their interaction with transport layer protocols has not been …
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Spatial modelling and analysis of wireless ad-hoc and sensor networks: an energy perspective
… dissertation we investigate the use of proactive multipath routing in ad hoc wireless networks. The focus is on optimizing tradeoffs between the increased energy cost associated with spreading traffic and the improved spatial balance of energy burdens. We show how its optimization depends on the …
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Physical Layer Aware Algorithms and Protocols for Wireless Networks
Our candidate stack uses traffic adaptive multipath routing to guide packets probabilistically around network bottlenecks, and automatically create interference-aware routes. Recognizing that theoretical arguments require a cross layer re-design of TCP taking wireless interference into account, our …
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Multiple Description Video Communications in Wireless Ad Hoc Networks
… in wireless ad hoc networks. They are multipath routing for MD video, MD video multicast, and joint routing and server selection for MD video in wireless ad hoc networks. In multipath routing for MD video problem, we follow an applicationcentric cross-layer approach and formulate an …
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Video Communications over Dynamic Ad Hoc Networks
… fading, and so forth). Existing ad hoc routing protocols work well for data communications, but are not optimized for video, which is sensitive to latency and packet loss. Moreover, traditional end system based error control mechanisms alone cannot guarantee a sustainable video quality. …
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A simulation study of reordering-resilient TCP enhancements
… could be achieved if techniques such as multipath routing could be used. Unfortunately, the parallelism in these schemes results in packet reordering and a resulting TCP performance loss. This work examines methods for allowing TCP connections to obtain high throughput in the presence of …
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Design and Implementation of An Emulation Testbed for Video Communications in Ad Hoc Networks
… approach to formulate a cross-layer multipath routing problem that minimizes the application layer video distortion. The solution procedure to this complex optimization problem is based on the so-called Genetic Algorithm (GA). The theoretical results have been documented in [7] and …
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Topics in Routing and Network Coding for Wireless Networks
This dissertation presents topics in routing and network coding for wireless networks. We present a multipurpose multipath routing mechanism. We propose an efficient packet encoding algorithm that can easily integrate a routing scheme with network coding. We also discuss max-min fair rate …
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Design and Implementation of Multipath Video Communications for Ad Hoc Networks
… of a number of mobile nodes that uses multi-hop routing to provide network connectivity. MANETs require self-organizing capabilities as there are no centralized points (base stations, access points etc), and each mobile node functions as router and/or hosts. The wireless topology in MANET can …
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Analytical Framework for the Performance Analysis of Multiple Antenna Systems
… (MIMO) system in cooperative wireless networks, multipath routing protocol analysis in wireless fading channels, and antenna selection problems in MIMO system.
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Cross-layer optimizations in multi-hop ad hoc networks
… between different protocol layers (MAC, routing, transport). In particular, MAC and routing protocols could be considered mutually cooperative protocol layers. When a route is established, the exposed and hidden terminal problems at MAC layer may decrease the end-to-end performance …
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Reinforcing Reachable Routes
Reachability routing is a newly emerging paradigm in networking, where the goal is to determine all paths between a sender and a receiver. It is becoming relevant with the changing dynamics of the Internet and the emergence of low-bandwidth wireless/ad hoc networks. This thesis presents the case …
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