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 30 for “"Clock Synchronization"”.
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A theory of clock synchronization
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1995.
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Clock Synchronization for Multihop Wireless Sensor Networks
… than in other types of distributed systems, clock synchronization is crucial since by having this service available, several applications such as media access protocols, object tracking, or data fusion, would improve their performance. In this dissertation, we propose a set of algorithms to …
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Opportunistic clock synchronization for ad hoc networks
… operations, and in rural and military settings. Clock synchronization is an essential building block for many ad hoc wireless network applications. It provides the participating computing nodes with logical clocks whose di erences can be bounded. Several traditional distributed clock …
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Clock Synchronization for Multihop Wireless Sensor Networks
… than in other types of distributed systems, clock synchronization is crucial since by having this service available, several applications such as media access protocols, object tracking, or data fusion, would improve their performance. In this dissertation, we propose a set of algorithms to …
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Time surveying : clock synchronization over packet networks
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1994.
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Multipartite Quantum Clock Synchronization Via Collective Symmetric States
This thesis investigates multipartite quantum clock synchronization (QCS) tasks using a class of quantum states, called collective symmetric (CS) states, which generalize Dicke and N00N states. Employment of CS states in previous QCS procedures is shown to improve synchronization performance in …
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Wireless Networks: Model and Optimization based approaches to Clock Synchronization, Random Access MAC and Video Streaming
Item withdrawn by Alexis Thompson (athmpsn1@illinois.edu) on 2010-07-14T18:39:18Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 2 Dissertation.tar.gz: 10519244 bytes, checksum: aaca0c176dcb41a9eea8342d8d9bf7a6 (MD5) Freris_Nikolaos.pdf: 2234225 …
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Lower bounds in distributed computing
… two fundamental distributed computing problems, clock synchronization and mutual exclusion. Our contributions are as follows. 1. We introduce the gradient clock synchronization (GCS) problem. As in traditional clock synchronization, a group of nodes in a bounded delay communication network try to …
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In -Network Computation in Wireless Sensor Networks
… part of the thesis, we consider the problem of clock synchronization over multihop networks, which is a specific instance of a network task requiring distributed computation. We analyze a clock synchronization approach which leads to a distributed vector estimation problem based on noisy …
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Network time : synchronisation in real time distributed computing systems
In the past, network clock synchronization has been sufficient for the needs of traditional distributed systems, for such purposes as maintaining Network File Systems, enabling Internet mail services and supporting other applications that require a degree of clock synchronization. Increasingly real …
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Development of a Data Collection System for Tightly Integrated GNSS, IMU, Radar, and LiDAR Navigation
… algorithm refinement. In addition, time synchronization between sensors is crucial in data sets validating tightly integrated navigation, especially in applications with high dynamics. However, there is no widely accepted accurate and stable method for synchronizing clocks between …
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An adaptive sensor network architecture for multi-scale communication
… latency and energy usage; and (3) an adaptive clock synchronization service, which provides an analytical framework for mapping clock synchronization requirements to actual protocol parameters, to provide required synchronization. I have analyzed as well as simulated the performance of these …
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A synchronous communication system for a software-based Byzantine fault tolerant computer
… of this thesis is an algorithm that combines clock synchronization and communications between fault containment regions by inferring relative clock skew from the arrival time of expected messages. Both a failsafe and a fault-tolerant algorithm are discussed, though the fault-tolerant algorithm …
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Reducing Communication Delay Variability for a Group of Robots
… in a TDMA fashion, without the need of global clock synchronization techniques; and a novel communication scheme that enables deterministic communications by allowing senders to transmit without regard for the state of the medium or coordination with other senders, and receivers can tease apart …
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Peer-to-peer wireless ultrawide-band localization of fast-moving entities
… these design decisions must survive the lack of clock synchronization, fast mobility and rotations of the nodes, and link quality degradation
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Microsecond Time Synchronization for Computing Fiber Networks
We present a microsecond-accurate time synchronization method and time localization system for a sensor network of spatially-separated, low-power Bluetooth nodes, with the goal of integrating this system into thermally-drawn computing fibers. Each node consists of an nRF54L15 SoC paired with an …
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Length standards and the twin paradox in the special theory of relativity
… I go on to argue that it is the imposition of clock synchronization-the conventionality of one-way speeds-and not the effects of acceleration which leads to the asymmetry of light speed observed in the Sagnac effect; and further, that this asymmetry leads to apparent paradoxes which are easily …
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