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 55 for “"packet-switched"”.
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Traffic Control in Packet Switched Networks
… available in two existing routing solutions in packet-switched networks. The first solution is the shortest path hop-by-hop routing deployed with the OSPF or IS-IS routing protocol and the IP forwarding protocol. This is the initially deployed and still the most popular routing solution in the …
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SCHEDULING IN PACKET SWITCHED CELLULAR WIRELESS SYSTEMS
… characterize the scheduled rate, delay and packet service times experienced by mobile users in a packet switched cellular wireless system in terms of a configurable base station scheduler metric. The metric used has a general form, combining an estimate of a mobile user's channel quality …
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Transmission of Speech in Packet-Switched Networks
Packet switching speech not only allows straightforward multiplexing of speech and data, but also enables efficient use to be made of transmission capacity. This thesis shows how the transmission efficiency of a packet-switched speech network can be optimized. To do this, an analytical model of the …
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Routing in packet switched computer communication networks
… concerns the optimization of the routing path in packet-switched computer-communication networks. Computer-communication networks over the past decade are outlined. A glossary of some of the terms used throughout this thesis are introduced. A brief description follows of the advantages of packet …
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Approximating fluid schedules in packet-switched networks
… rate-based, quality of service guarantees for packets sent over switches and switch networks. Our focus is solving a type of on-line, traffic scheduling problem, whose input at each time step is a set of desired traffic rates through the switch network. These traffic rates in general cannot be …
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Scheduling real-time messages in packet-switched networks
… that arise in scheduling real-time messages in a packet-switched network that has multiple schedulers and has limited buffer space. In our development of the schedulers and the mechanisms for synchronization between the schedulers, we address the following issues: the complexity of the scheduler, …
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Implementation issues for a packet switched routing chip
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1994.
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Design and implementation of a packet switched routing chip
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1990.
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Security in Packet-Switched Land Mobile Radio Backbone Networks
… operators have begun transitioning from circuit-switched to packet-switched backbone networks to handle their future communication needs. Due to the unique demands of packet-switched backbone networks for LMR, it may not be wise to carry over the previously implemented security methods used with …
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A model for window based flow control packet-switched networks
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1998.
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Investigation of performance issues affecting optical circuit and packet switched WDM networks
… and wavelength converters of optical packet switching networks. The switching times and frequency drifts, both of commercially available lasers, and of novel devices are investigated and performance issues which can arise due to this frequency drift are examined. An optical packet …
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The Multipath Fault-Tolerant Protocol for Routing in Packet-Switched Communication Network
In order to provide improved service quality to applications, networks need to address the need for reliability of data delivery. Reliability can be improved by incorporating fault tolerance into network routing, wherein a set of multiple routes are used for routing between a given source and …
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The significance of transients following failures and repairs in packet-switched networks
… state. When this approach is used to analyze packet-switched communication networks, which consist of highly reliable high-speed links and switching nodes, it is argued that the steady-state assumption is justified on the basis of the large difference in rates of traffic-related events, such …
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Investigation of a Packet-Switched Inter-System Interface for Land Mobile Radio Systems
… leased lines and microwave links across circuit-switched networks. With the recent deployment of digital LMR standards such as the Association of Public and Communications Officials (APCO) Project 25 and the Terrestrial Trunked Radio (TETRA), traffic exchange has become more bursty and …
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Performance analysis of star architecture packet-switched VSAT networks using random code division multiple access
… analysis of multiple access protocols in packet-switched Very Small Aperture Terminal (VSAT) satellite communication networks. This research consisted of three major thrusts. First, we analyzed the average time delay of the broadcast Time Division Multiplexing (TDM) outbound channel (hub …
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Applications of superstructure fibre Bragg gratings for optical code division multiple access and packet switched networks
… systems and also in high-speed all-optical packet switched networks.These results highlight the precision and flexibility of the continuous grating writing process and show that the SSFBG technology represents a promising technology not just for OCDMA but an extended range of other pulse …
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Performance analysis of star architecture packet-switched VSAT network using roll-call polling multiple access scheme
… for error control. The network is a VSAT packet-switched network, that carries out its communications task on a Time Division Multiplexing (TDM) satellite channel. This research consists of three major parts. First, the performance analysis of the single-hop star architecture network is …
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Hybrid flow data center network architecture design and analysis
… of hybrid flow architectures and traditional packet switched networks in future data center. We present a simplified data center traffic model, where data center traffic is categorized into mice traffic and elephant flows. The electronic packet switched architecture allows for low overhead and …
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Time keeping in myriad networks : theories, solutions and applications
… address the problem of time dissemination in a packet switched network when the nodes are NOT generally all connected to an accurate, external time reference source. We thoroughly analyze Network Time Protocol - version 3 and identify its oversimplified clock modeling and its neglect of network …
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Adaptive control of communication networks using learning automata.
… learning automata concepts for circuit and packet switched networks. For this application, the learning automaton is shown to be an ideal adaptive control mechanism, with simple feedback and updating strategies which allow extremely practical implementations and perform very close to the …
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