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 “"route discovery"”.
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Probabilistic route discovery for Wireless Mobile Ad Hoc Networks (MANETs)
… network nodes which act as both end points and routers in a wireless multi-hop network environment. To discover a route to a specific destination node, existing on-demand routing protocols employ a broadcast scheme referred to as simple flooding whereby a route request packet (RREQ) originating …
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Traffic locality oriented route discovery algorithms for mobile ad hoc networks
… on-demand routing algorithms for MANETs. The route discovery processes used in most on-demand routing algorithms, such as the Dynamic Source Routing (DSR) and Ad hoc On-demand Distance Vector (AODV), rely on simple flooding as a broadcasting technique for route discovery. Although simple …
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Bandwidth and Energy-Efficient Route Discovery for Noisy Mobile Ad-Hoc Networks
… used in on-demand routing protocols to discover routes in Mobile Ad-hoc Networks (MANETs). On-demand routing protocols, such as Ad-hoc On-demand Distance Vector (AODV) commonly employ pure flooding based broadcasting to discover new routes. In pure flooding, a route request (RREQ) packet is …
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Bounded Dynamic Source Routing in Mobile Ad Hoc Networks
… nodes perform the routing functions like route discovery, route maintenance and delivery of packets from one node to the other. Existing routing protocols flood the network with broadcasts of route discovery messages, while attempting to establish a route. This characteristic is …
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Optimizing ad-hoc on-demand distance vector (AODV) routing protocol using geographical location data
… the control traffic overhead caused by the route discovery process in the ad-hoc on-demand distance vector (AODV) routing protocol. During this process, AODV will flood the entire network with route request packets. This introduces significant packet-handling overhead into the network. This …
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An improved MultiAnts-Aodv routing protocol for ad hoc wireless networks
… [71], which uses mobile agents and reactive route discovery, introduced a more realistic solution to this problem. However, the mobile agents were not fully exploited in this protocol. In this thesis research, we will propose an improved MultiAnts-AODV routing protocol based on ant-AODV The …
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Hybrid probabilistic broadcast schemes for mobile ad hoc networks
… extensively used in many routing protocols for route discovery process. The dynamic topology and limited communication bandwidth of such networks pose a number of challenges in designing an efficient broadcasting scheme for MANETs. The simplest approach is flooding, where each node retransmit …
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Resource Efficient and Scalable Routing using Intelligent Mobile Agents
… large number of messages generated at each host/router throughout the route update process. Many of these messages are wasteful since they do not contribute to the route discovery process. Reducing the resource overhead may allow for several algorithms to be deployed in a wide range of networks …
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High-Performance Communication Protocols for Asynchronous Duty-Cycling Wireless Networks
… under dynamic channel conditions, and effective route discovery. This thesis presents a series of protocols to address these challenges. The first part of this thesis presents a new single-channel energy-efficient MAC protocol, called the Predictive-Wakeup MAC (PW-MAC). The key idea behind PW-MAC …
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DNS based routing protocol in ad hoc networks
… have DNS capability, which are responsible for route discovery. The routing is performed on two levels: Local node and terrestrial Global IP. By using DNS technique, the performance of the networks is highly improved. Simulation results give the characteristics and functionalities of the …
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Game theoretic approach in routing protocols for wireless mobile ad hoc networks
… search mechanism called "flooding" during the route discovery process. By "flooding" mechanism a source node can discover multiple routes to a destination. "Flooding" generates a large number of overhead packets in the network and is the root cause of scaling problem of reactive routing …
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Detecting Routing Misbehavior In Mobile Ad Hoc Network
… that some selfish nodes will participate in the route discovery and maintenance processes but refuse to forward data packets. Therefore, we propose the 2ACK scheme that serves as an add-on technique for routing schemes to detect routing misbehavior and to mitigate their adverse effect. The main …
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Evaluating and improving collection tree protocol in mobile wireless sensor network
… obtained when using CTP, which is due to their route discovery process. This thesis presents an improved data collection protocol Fixed Node Aided CTP based on the analysis of CTP. The protocol introduces the concept of fixed aided routing into CTP. It is shown that our enhanced CTP outperforms …
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Design, Implementation and Analysis of Wireless Ad Hoc Messenger
… which consists of two important mechanisms, Route Discovery and Route Maintenance. We adopt DSR since DSR operates solely based on source routing and "on-demand" process, so each packet does not have to transmit any periodic advertisement packets or routing information. These characteristics …
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Performance Evaluation of Routing Protocols and ML-based Enhancements for UAV-Assisted Post-Disaster Communication Networks
… K-means will enhance CC-AODV by refining the route discovery process and minimizing redundant packet transmissions under high-demand conditions. Additionally, non-functional requirements such as scalability, reliability, and adaptability are examined in the work.</p>
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Situation -Aware Security for Wireless Ad Hoc Networks
… security-aware routing for quantifiably secure route discovery and situation-aware key management that provides end users with the best-achievable authentication service with intuitive metrics to measure the provided quality of authentication."
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On the performance of probabilistic flooding in wireless mobile ad hoc networks
… our new probabilistic flooding algorithms during route discovery enables AODV to achieve a higher delivery ratio of data packets while keeping a lower routing overhead compared to using blind and fixed probabilistic flooding. For instance, the packet delivery ratio using our algorithm is improved …
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ANTMANET: a novel routing protocol for mobile ad-hoc networks based on ant colony optimisation
… means to reduce the network overhead during the route discovery phase and reduced the size of the routing table to guarantee faster convergence. ANTMANET is a hybrid Ant Colony Optimisation-based (ACO) routing protocol. ACO is a Swarm Intelligence (SI) routing algorithm that is well known for its …
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Enhanced Probabilistic Broadcasting Scheme for Routing in MANETs. An investigation in the design analysis and performance evaluation of an enhanced probabilistic broadcasting scheme for on-demand routing protocols in mobile ad-hoc networks.
… with several important applications, such as route discovery, address resolution and many other network services. Though data broadcasting has many advantages, it can also cause a high degree of contention, collision and congestion, leading to what is known as ¿broadcast storm problems¿. …
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A Mesh Architecture for Robust Packet Delivery in Airborne Networks
… the delivery of a packet in some intermediate router. In this thesis, we propose a cluster-based reactive routing protocol to alleviate these problems. Our solution takes advantage of mesh routers installed in unmanned aerial vehicles or aircraft capable of hovering, when such airborne assets …
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