Tag Archive: 'ns3 network simulator'
It is sometimes unavoidable to use loosely coupled coils in applications, like biomedical devices, for transferring electric energy wirelessly. However, coil misalignment causes degradation of the power transfer efficiency. It is well known that the power transfer efficiency of classical parallel coils is primarily determined by the quality factors of the coils and the coupling […]
A comprehensive and quantified gait analysis is warranted for patients with balance disorders to prevent injury such as falls. We report here a custom-designed wireless-gait-analysis-sensor (WGAS) to perform functional gait analysis targeted for clinically evaluating balance disorders. We report here our first efforts to determine the optimal placements of the WGAS in normal subjects for movement […]
Wireless power transfer (WPT) is a kind of power transmission technology with which load devices can be supported to take power from the power source in a non-contacting way. Hollow solenoidal coils are used as resonant coils extensively in engineering projects which are usually analyzed based on magnetostatic fields. In practice coils are often excited by […]
In this paper, we investigate the energy-efficient resource allocation problem in a single-cell orthogonal frequency division multiple access (OFDMA) system to achieve the energy efficiency (EE) tradeoff among users. Rather than overall system EE, our objective is to maximize the EE for each individual user. Therefore, a multiple-objective optimization problem is formulated, which in general […]
We consider the problem of distributed detection of a mean parameter corrupted by Gaussian noise inwireless sensor networks, where a large number of sensor nodes jointly detect the presence of a weak unknown signal. To circumvent power/bandwidth constraints, a multilevel quantizer is employed in each sensor to quantize the original observation. The quantized data are transmitted […]
Internet routing scalability issue is one of challenges of future Internet architecture. The global routing table is inflating with the growing number of networks connected to the Internet and the more-specific prefixes from multi-homing and traffic engineering operation requirements. Many engineering solutions have been proposed. In this paper, we propose a scalable routing architecture in a long-term intention for […]
Modeling and prediction of temporal sequences is central to many signal processing and machine learning applications. Prediction based on sequence history is typically performed using parametric models, such as fixed-order Markov chains ($n$-grams), approximations of high-order Markov processes, such as mixed-order Markov models or mixtures of lagged bigram models, or with other machine learning techniques. This paper […]
DC Microgrid Performance Excellence in Electricity Renewal is a major stimulating result of the decade-long non-profit Galvin Electricity Initiative and its objective of demonstrating and promoting truly intelligent 21st Century “Perfect Power” electricity distribution systems. The resulting Performance Excellence in Electricity Renewal (PEER) program with DC Microgrid certification is now being formally administered by the Green […]
Low latency, high throughput, and fairness are the stringent performance requirements of data centernetworks. For web applications continue to thrive, data center must remain effective by addressing these challenges. While most of the challenges have been handled by data center specific transport protocols (e.g. DCTCP), these transport protocols are not default options for data center users. Free […]
Information-Centric Networking (ICN), an alternative architecture to the current Internet infrastructure, focuses on the distribution and retrieval of content by employing caches in a network to reduce networktraffic. The employment of caches may be accomplished using graph-based and content-based criteria such as the position of a node in a network and content popularity. The contribution of this paper lies on the characterization of content popularity […]
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