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 52 for “"joint optimization"”.
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Joint optimization of the technical and social aspects of workplace design
Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1985.
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A Joint Optimization Approach for Power-Efficient Heterogeneous OFDMA Radio Access Networks
L'abstract è presente nell'allegato / the abstract is in the attachment
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Cost-effective optical network architecture : a joint optimization of topology, switching, routing and wavelength assignment
… we intended to solve the design problem jointly in the optimization process in order to achieve over-all good performance. To evaluate how the cost drives architectural tradeoffs, an analytical approach is taken in most parts of the thesis by first focusing on networks with symmetric and …
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Joint-optimization of the x-ray source voltage, beam filtration and detection angle for a full-ring benchtop x-ray fluorescence computed tomography (XFCT) image system
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-15 without embargo terms
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A Sociotechnical Approach to Evaluating the Effects of Managerial Time Allotment on Department Performance
… demands. The sociotechnical systems principle of joint optimization states that organizations function optimally when design changes are made to meet the needs of both the social and technical subsystems in the context of the organization's environment. This study uses time allotment at the …
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Analysis and Optimization of Cooperative Wireless Networks
… and time. However, in previous research, each optimization problem has been investigated separately, and the optimal solution for one problem is usually not optimal for the other problems.</p> <p>This dissertation focuses on joint optimization or cross-layer optimization in wireless cooperative …
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Optimization models for joint airline pricing and seat inventory control : multiple products, multiple periods
… solve for the optimal fares and booking limits jointly and simultaneously. The underlying demand volume in an airline market is modeled as a function of the fares. We propose an initial approach to the two-product, two-period revenue optimization problem by first assuming that the demand is …
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Joint channel pairing and power allocation optimization in two-way multichannel relaying.
… strategies. We investigate the problem of joint subchannel pairing and power allocation to maximize the achievable sum-rate in the network, under an individual power budget at each node. To solve this challenging joint optimization problem, an iterative approach is proposed to decompose the …
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System-level optimization of the DC-DC voltage regulator and core for sub/near-threshold voltage operation
… ratio and compactness. However, existing optimization for SC-VRM is separated from the embedded core design and therefore leads to sub-optimal system energy efficiency. In this thesis, we propose to jointly optimize the switched capacitor voltage regulator module (SC-VRM) and the compute …
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Optimal replacement in the proportional hazards model and its applications in a product-service system
… are developed under different settings; and a joint optimization of the asset and inventory management problem in the context of a product-service system is considered.</p> <p>In the first paper, a continuous time Markov covariate process is assumed to describe the condition of a system that is …
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Effective citation recommendation by information network-based clustering
… relative authority between objects, by solving a joint optimization problem. Experiments on both DBLP and PubMed datasets demonstrate the power of the proposed approach, with 17.68% improvement in Recall@50 and 9.57% growth in MRR over the best performing baseline.
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Integrating local context and global cohesiveness for open information extraction
… statistics. Specifically, we design a joint optimization problem to unify (1) segmenting entity/relation phrases in individual sentences based on local context; and (2) measuring the quality of sentence-level extractions with a translating-based objective. Experiments on two real-world …
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Advancing Deep Learning Efficiency: From Specialized Co-Design to Automated Generation
… exploration into the algorithm-system co-optimization, hardware design specialization and automation for scalable AI deployment. First, we begin with algorithmic optimization for large-scale models, including large language models and diffusion models, developing inference libraries that …
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Pulse Shaping Filter Design and Interference Analysis in UWB Communication Systems
… (MAI). The major advantages of the proposed joint optimization method are: (1) it has superior MAI suppression capability; (2) it can achieve the best system performance by optimizing transmitting and receiving filters jointly. Second, a pulse shaping optimizer is proposed to achieve the best …
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Interdependency of electricity and natural gas markets in the United States : a dynamic computational model
… The results of this model demonstrate how joint optimization of the networks could relax fuel constraints on gas-fired generators and improve social welfare.
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Joint relay beamforming and transceiver processing in multiuser relay network
In this thesis, we focus on joint relay beamforming and transceiver processing in multiuser relay network. First of all, we consider the scenario in which multiple source-to-destination (S-D) pairs intend to communicate with the help of multiple distributed amplify-and-forward (AF) relays. A …
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Energy -Efficient Sensor Networks for Detection Applications
… at each sensor node, eliminating the joint optimization over the sensor nodes. The sensor decision rule is simply to transmit the likelihood ratio when it is above some threshold, chosen to meet the communication-rate constraint. Under the censoring scenario, we show that robust, …
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Radiation therapy treatment plan optimization accounting for random and systematic patient setup uncertainties
… including patient setup uncertainty in IMRT plan optimization. This probabilistic treatment planning (PTP) operates directly on the planning structure and develops a dose distribution robust to variations in the patient position. Two methods are presented. The first method includes only random …
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Cross-layer design for network performance optimization in wireless networks
<p>"In this dissertation, I use mathematical optimization approach to solve the complex network problems. Paper l and paper 2 first show that ignoring the bandwidth constraint can lead to infeasible routing solutions. A sufficient condition on link bandwidth is proposed that makes a routing …
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