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 20 of 28 for “"packet scheduling"”.
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Packet Scheduling for LTE-Advanced
… network. One of the key RRM mechanisms is packet scheduling and it allocates suitable radio resources to each user for transmission of the downlink from the base station through the air interface to each mobile station. The overall objectives of this project are to study packet scheduling …
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Packet scheduling algorithms in LTE systems
… multimedia services at a high speed rate. Packet switching is used by LTE to support different media services. To meet the QoS requirements for LTE networks, packet scheduling has been employed. Packet scheduling decides when and how different packets are delivered to the receiver. It is …
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VoIP packet scheduling for LTE advanced
… multimedia applications is further enhanced. The Packet Scheduler (PS) which is a key entity located in the base-station/eNodeB plays a prime role as a key feature of LTE's Radio Resource Management in increasing the system's data rate and providing support for the diverse QoS requirements of …
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Efficient Packet Scheduling in Wireless Multihop Networks
… to incorporate differentiated priority scheduling, such that higher priority traffic can be transmitted in preference to lower priority traffic. The ""location dependent channel contention"" and ""hidden terminals"" make priority scheduling significantly different from that in wireless …
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Connection admission control and packet scheduling for IEEE 802.16 networks
… layers specification, admission control and packet scheduling mechanisms which are important elements of QoS provisioning are left to vendors to design and implement for service differentiation and QoS support.
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Soft Real-Time Switched Ethernet: Best-Effort Packet Scheduling Algorithm, Implementation, and Feasibility Analysis
In this thesis, we present a MAC-layer packet scheduling algorithm, called Best-effort Packet Scheduling Algorithm(BPA), for real-time switched Ethernet networks. BPA considers a message model where application messages have trans-node timeliness requirements that are specified using Jensen's …
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Design and Evaluation of Packet Scheduling Algorithms for Providing Quality of Service in Wireless Cellular Networks
… three algorithms with four other wireless fair scheduling algorithms in this area, and we conclude through both simulations and analysis that WFS is one of the two algorithms that possess all the properties of wireless fair service.
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Capacity-approaching data transmission in MIMO broadcast channels
… on downlink multi-antenna transmission with packet scheduling in a wireless packet data network. The topic is viewed as a critical system design problem for future high-speed packet networks requiring extremely high spectral efficiency. Our aim is to illustrate the interaction between …
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Intelligent based Packet Scheduling Scheme using Internet Protocol/Multi-Protocol Label Switching (IP/MPLS) Technology for 5G. Design and Investigation of Bandwidth Management Technique for Service-Aware Traffic Engineering using Internet Protocol/Multi-Protocol Label Switching (IP/MPLS) for 5G
… the forwarding equivalence class (FEC) of a packet and utilises a predefined routing table to handle packets of a specific FEC type. Thus header analysis of packets is not required, resulting in lower latency. In addition, packets of similar characteristics can be routed in a consistent …
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Quality of Service Provisioning in Wireless and High-Speed Networks
… a potential processing bottleneck encountered in packet scheduling in high-speed wireline networks. The scheduler should be designed to provide minimum-bandwidth and delay guarantees, and fair sharing of excess bandwidth. In the state-of-the-art schedulers, based on the weighted fair queuing (WFQ) …
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Designing fast and programmable routers
… we develop a system for programming stateful packet-processing algorithms such as algorithms for in-network congestion control, buffer management, and data-plane traffic engineering. The challenge here is the fact that these algorithms maintain and update state on the router. We develop a …
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Efficient Resource Allocation Schemes for Wireless Networks with with Diverse Quality-of-Service Requirements
… bounds on the average read latency for different scheduling policies. We also show that erasure coding in DSS serves the dual purpose of reducing read latency and increasing the energy efficiency. Lastly, we investigate the problem of delay-efficient packet scheduling in M2M uplink with …
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On applying network coding to wireless ad hoc networks : A study of robustness, efficiency and cross-layer synergy
… opportunities even if the order of arrival of packet flows is unfavourable to such detection. Then we dig deeper into the inner structure of the coding scheme and prove that coding-aware packet scheduling is pivotal in shaping the distribution of throughput among flows. Finally, the …
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Supporting delay guarantees over unreliable wireless channels
… of networks require delay guarantees for packet deliveries. It is particularly challenging to provide services for these applications over wireless channels, since wireless transmissions are usually unreliable. In this dissertation, we provide a theory that formulates and addresses the …
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Dynamic Rate Controlled Input -Buffered Switch System With QoS
In the dissertation, we propose a new scheduling algorithm, dynamic rate controlled input output (DRCIO), which addresses the scalability and the implementability for a highly distributed high speed router. We developed the algorithm based on a Washington University (WASU) high speed switch. We …
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Data Traffic Modelling in Mobile Networks for Heterogeneous Types of IoT Services
… IoT devices transmit small and large-sized packets with different radio resource requirements. For example, Smart Healthcare System (SHS) devices transmit small-sized of a data with utilizing a small portion of Physical Resource Block (PRB) as the smallest radio resource unit, which is …
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Qos-aware fine-grained power management in networked computing systems
… than that on circuit board. We focus on packet scheduling for wireless real-time systems with renewable energy resources. In such a scenario, it is required to transmit data with higher level of importance periodically. We formulate this packet scheduling problem as an NP-hard reward …
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Utility-Aware Scheduling of Stochastic Real-Time Systems
… cyber-physical systems. However, utility-aware scheduling policy design is an open research problem. In particular, scheduling policies that optimize expected utility accrual are needed for real-time and cyber-physical domains. This dissertation addresses the problem of utility-aware scheduling …
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Utility Accrual Real-time Channel Establishment in Multi-hop Networks
… assume the existence of a utility-aware packet scheduling algorithm at the interfaces. The route selection is based on delay estimation performed at the source, destination, and all routers in the path, from source to destination. We simulate the algorithms, measure and compare their …
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