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.
Results
Showing 1 to 17 of 17 for “"Delay Jitter"”.
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Indoor wide band radio wave propagation measurements and models at 1.3 ghz and 4.0 ghz
… were obtained for mean and maximum excess delay, rms delay spread, time delay jitter, differential delay jitter, and path loss through analyses of impulse response estimates, which were obtained via repetitive 5 ns probing pulses. The effects of frequency, antenna height, topography …
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Per-hop Internet Measurement Protocols
… of per-hop behaviours such as queueing delay, jitter, reordering, and loss. This is useful in many operational situations, as well as for researchers in characterising Internet behaviour. IPMP's design goals of being tightly constrained and easy to implement are tested by building …
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Movable frame hybrid MAC : a multi-MAC protocol for wireless software radios in multi-rate multimedia applications
… (e.g. call blocking probability, average delay and delay jitter) show that is both robust and suitable for the intended IWAN applications, this will results in high QoS guarantee for arbitrary traffic condition.
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Correlated multi-streaming in distributed interactive multimedia systems
… traditional Quality of Service metrics (e.g., delay, jitter) are limited to a per stream basis. In this work, we present a novel ”Bundle of Streams” concept to define correlated multi-streams in DIMEs and present new cyber-physical, spatio-temporal QoS metrics to measure QoS over bundle of …
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Scalable video transportation using look ahead scheduling
… bandwidth availability, packet loss, packet delay and packet delay variation (jitter), the study proposes a scheduling algorithm and buffering technique. To combat the variation of delay (jitter) in a best-effort network, the study proposes Look Ahead Scheduling Algorithm (LASA) which …
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Integrated Control and Real-Time Scheduling
… short input-output latencies and minimal jitter for the controllers. It also allows control tasks to be treated as scalable real-time components with predictable performance. Two MATLAB-based toolboxes for analysis and simulation of real-time control systems have been developed. The …
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Radio Resource Management Optimization For Next Generation Wireless Networks
… (QoS) levels especially data rate, delay and delay jitter besides the system’s spectral and energy efficiencies. In this dissertation, we strive to solve this problem by presenting novel cross-layer resource allocation schemes to address the efficient utilization of available …
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Routing Support for Providing Guaranteed End-to-End Quality-of-Service
… applications with QoS requirements on bandwidth, delay, delay jitter, cost, path length, and their combination. (3) Source and distributed routing algorithms axe proposed to work with state information which has a high degree of imprecision. (4) Distributed QoS routing algorithms are proposed for …
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Security in Packet-Switched Land Mobile Radio Backbone Networks
… utilization, and on voice traffic, in terms of delay and delay jitter. In addition, I evaluate, in general terms, the additional cost or complexity that is introduced by the different security solutions. Simulation with OPNET Modeler was used to evaluate how the various security schemes affect …
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Efficient Resource Allocation Schemes for Wireless Networks with with Diverse Quality-of-Service Requirements
… Lastly, we investigate the problem of delay-efficient packet scheduling in M2M uplink with heterogeneous traffic characteristics. We classify the uplink traffic into multiple classes and propose a proportionally-fair delay-efficient heuristic packet scheduler. Using a queuing theoretic …
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Provisioning end-to-end quality of service for real-time interactive video over software-defined networking
… path among multiple paths using bandwidth, delay, jitter, and reliability.
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Impact of Queuing Schemes and VPN on the Performance of a Land Mobile Radio VoIP System
… LMRVoIP systems are time critical, i.e., are delay and jitter sensitive. Transmission of LMRVoIP traffic in a congested packet-switched network with no quality of service (QoS) or priority mechanisms in place could lead to high delays and extreme variations in delay, i.e., high jitter, thus …
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Investigations into the physical layer of underwater networks to enhance channel capacity and performance.
… consistently high capacity of 10Mbit/sec and low delay jitter of 1ms whereas the former jittered significantly in capacity and latency as the acoustic link acted as a significant bottleneck of 5Mbit/sec as a theoretical maximum, resulting in capacity jitter of 5Mb/sec and delay jitter of 67.7ms. …
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Multimedia computer networks quality of service techniques evaluation and development.
… included important QoS parameters, i.e. delay, jitter, throughput, and packet loss that indicated network performance in delivering real-time applications. An issue is that QoS needs evaluation in an informative manner. Therefore, the second contribution of this thesis is that statistical …
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Localized Quality of Service Routing Algorithms for Communication Networks. The Development and Performance Evaluation of Some New Localized Approaches to Providing Quality of Service Routing in Flat and Hierarchical Topologies for Computer Networks.
… paths. Its major components include bandwidth, delay, jitter, cost, and loss probability in order to measure the end users¿ requirements, optimize network resource usage and balance traffic load. The majority of existing QoS algorithms require the maintenance of the global network state …
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Quality of service assessment and analysis of wireless multimedia networks.
… include measuring the main QoS parameters (delay, jitter and packet loss) and use them as input to the measurement systems, which combine them and produce an output that represents the instantaneous QoS. The devised approaches showed how the QoS can be measured without a need for complicated …
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TCP performance enhancement in wireless networks via adaptive congestion control and active queue management
… than inferring the loss type based on packet delay or delay jitter as in many other proposed solutions; nor by undergoing a computationally expensive off-line training of a classification model (e.g., HMM), or a Bayesian estimation/detection process that requires estimations of a priori loss …