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 18 of 18 for “"Throughput maximization"”.
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Scheduling algorithms for throughput maximization in data networks
… thesis considers the performance implications of throughput optimal scheduling in physically and computationally constrained data networks. We study optical networks, packet switches, and wireless networks, each of which has an assortment of features and constraints that challenge the design …
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On Throughput Maximization in a Multi-hop MIMO Ad Hoc Network
… there has been a growing research interest in throughput optimization problems in a multi-hop wireless network. MIMO (multiple-input multiple-output), as an advanced physical layer technology, has been employed in multi-hop wireless networks to increase throughput with a given bandwidth or …
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Scheduling algorithms for throughput maximization in time-varying networks with reconfiguration delays
… reconfiguration delays. These algorithms provide throughput-optimality without requiring knowledge of arrival rates since they dynamically adapt inter-switching durations to stochastic arrivals. Finally, we present optimal scheduling under time-varying channels and reconfiguration delays, which is …
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Exploring Performance Limits of Wireless Networks with Advanced Communication Technologies
… technologies have emerged to improve network throughput. Some examples include multi-input multi-output (MIMO), full duplex, cognitive radio, mmWave, among others. An important research direction is to understand the impacts of these new technologies on network throughput performance. Such …
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Learning-based adaptive design for dynamic spectrum access in cognitive radio networks.
… and access policies which maximize the total throughput of the secondary users in a cognitive radio network. As the first approach, we consider the auction-based formulation in design of dynamic spectrum access mechanisms where it is assumed that primary channels are heterogeneous with …
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On Interference Management for Wireless Networks
… with the objective of maximizing network-level throughput while guaranteeing solution feasibility at the PHY layer. The proposed algorithm accomplishes a number of beneficial features, including polynomial-time complexity, amenability to local implementation, a guarantee of feasibility at the …
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MANAGING DYNAMIC SPECTRUM ACCESS UNDER UNCERTAINTY IN COGNITIVE RADIO NETWORKS
… problem of maximizing the total expected system throughput. We propose a Bayesian decision-rule-based-algorithm to solve the problem optimally with a constant time complexity. To prioritize PU transmissions, we re-formulate the throughput maximization problem by adding a constraint on the PU …
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Distributed Scheduling and Delay-Throughput Optimization in Wireless Networks under the Physical Interference Model
… the performance of wireless networks, including throughput, delay and distributed complexity. <br />One of the main challenges for optimizing them arises from radio interference, an inherent factor in wireless networks.<br />Graph-based interference models represent a large class of interference …
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Robustness and Optimality in CSMA Wireless Networks
… some of the flows receive much of the network throughput while others suffer from poor performance. As a solution to this problem, recent theoretical studies have proposed distributed CSMA adaptation protocols that, under certain assumptions, maximize a network utility function, yielding high …
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New Strategic and Dynamic Variation Reduction Techniques for Assembly Lines
… the inspection planning model with the Dynamic Throughput Maximization (DTM) model. This hybrid model adds one decision variable in the inspection planning; which is whether to implement DTM (assemble the inspected subassemblies selectively) or to assemble the inspected items arbitrarily. We …
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Energy aware network coding in wireless networks
… use of network coding according to both throughput and energy metrics. In the relay channel, a single source communicates to a single sink through the aid of a half-duplex relay. The fluid flow model is used to describe the case where both the source and the relay are coding, and Markov …
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Power allocation in energy harvesting two-way relay systems
… energy allocation which maximizes the total data throughput of a wireless network under some restrictions at the EH node(s). In the first scenario, only the relay node is powered up by the harvested energy and the other two transceiver nodes are powered up by conventional power supply. We first …
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Wireless Information and Power Transfer in Communication Networks: Performance Analysis and Optimal Resource Allocation
… is to conduct a performance analysis in terms of throughput and energy efficiency, and determine optimal resource allocation strategies for wireless information and power transfer.</p> <p> In the first part of the thesis, simultaneous transfer of information and power through wireless links to energy …
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Optimization Design for Multi-Domain Optical Network Provisioning and Survivability
… engineering (TE) objectives, i.e., including throughput maximization, resource minimization, and load balancing. Next, this model is extended to implement lightpath protection recovery for single-link failures by adding link-disjointness constraints at both the intra- and inter-domain levels. …
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Opportunistic transmission scheduling for next generation wireless communication systems with multimedia services
… channel capacity in order to improve the system throughput and overcome the problems associated with the location-dependent and time-dependent errors and channel conditions, the variable system capacity and the transmission power limitation. We first introduce and describe two new scheduling …
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MULTI-SCALE SCHEDULING TECHNIQUES FOR SIGNAL PROCESSING SYSTEMS
… performance metrics such as power consumption, throughput, latency, and accuracy. Signal processing systems implemented on such platforms typically involve multiple levels of processing and communication hierarchy, such as network-level, chip-level, and processor-level in a structural context, …
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On Programmable Control and Optimization for Multi-Hop Wireless Networks
… problems across multiple layers. End-to-end throughput maximization is a key objective among these optimization problems on the centralized control plane and is used to demonstrate the superior advantage of this paradigm. We study several problems: • Integration of SIC and MIMO DoF IC. We …
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An improved code rate search scheme for adaptive multicode CDMA
… we present an improved scheme to maximize system throughput through joint rate and power adaptation with perfect channel information in a multicode CDMA system. By specifying suitable boundary conditions and adaptively searching the optimal rate vectors, the search range can be narrowed down …