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Tag Archive: 2016 Ns2 Projects

Pulse Shaping for Satellite Systems with Time Packing: An Eigenfilter Design

Spectrum efficiency is becoming a major issue in satellite communications due to the dramatically increasing data rates requirements and the competition with terrestrial networks. The time packing strategy, by allowing to optimally exploit the available bandwidth without resorting to higher-order constellations, is a promising solution that has gained interest in the last years. The provided spectral […]

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Noise properties of ideal memristors

This work investigates how the presence of thermal noise influences the response of simple networksincorporating an ideal memristor. First we study how a single noiseless memristor modulates noise at its input and how it manifests at its output. Then we extend our analysis to a generic resistor-memristor and capacitor-memristor network. The results reported are based on strong […]

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VLSI Design for Convolutive Blind Source Separation

This work presents an efficient VLSI architecture design for convolutive blind source separation (CBSS). The CBSS separation network derived from information maximization (Infomax) approach is adopted. The proposed CBSS chip design consists mainly of Infomax filtering modules and scaling factor computation modules. In an Infomax filtering module, input samples are filtered by an Infomax filter with the […]

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Capturing, recording, and analyzing LTE signals using USRPs and LabVIEW

Long Term Evolution (LTE) systems are currently playing a major role in catering the ever increasing traffic demand. Better performance and better throughput compared to other mobile communication technologies are main objectives of LTE deployments. To provide a better quality of experience, LTE signals from real base stations should be captured and analyzed, for possibly […]

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IEEE 1609 Influenced Automatic Identification System (AIS)

The Automatic Identification System (AIS) is a vessel tracking protocol used by the vast majority of the global maritime community. While AIS is a fantastic tool for preventing vessel collisions, it unfortunately has no built-in security. This project first provides a security vulnerability analysis of the current AIS system. We then propose the outline for […]

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TeraHertz Photonics for Wireless Communications

Optical fibre transmission has enabled greatly increased transmission rates with 10 Gb/s common in local area networks. End users find wireless access highly convenient for mobile communication. However, limited spectrum availability at microwave frequencies results in per-user transmission rates limited to much lower values, e.g., 500 Mb/s for 5-GHz band IEEE 802.11ac. Extending the high data-rate […]

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An Algorithm Based on the Standard Deviation of Passive Microwave Brightness Temperatures for Monitoring Soil Surface Freeze/Thaw State on the Tibetan Plateau

The land surface on the Tibetan Plateau (TP) experiences diurnal and seasonal freeze/thaw processes that play important roles in the regional water and energy exchanges, and passive microwave satellites provide opportunities to detect the soil state for this region. With the support of three soil moisture and temperature networks on the TP, a dual-index microwave algorithm with […]

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Impact of BS antenna number and array geometry on single-user LTE-A data throughputs in realistic Macro and Pico cellular environments

This paper evaluates the theoretic performance of single-user multi-stream beamforming for heterogeneous LTE-A urban deployments (i.e. Macro and Pico cells). The work investigates the impact of six different Base Station (BS) antenna configurations on system level capacity. Our standard configuration assume 8 BS and 8 User Equipment (UE) antenna elements. To enhance capacity the BS […]

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Hybrid Method for 3-D Gaze Tracking Using Glint and Contour Features

Glint features have important roles in gaze-tracking systems. However, when the operation range of a gaze-tracking system is enlarged, the performance of glint-feature-based (GFB) approaches will be degraded mainly due to the curvature variation problem at around the edge of the cornea. Although the pupil contour feature may provide complementary information to help estimating the […]

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An m-health system for the estimation of voice disorders

In recent years, the prevalence of voice disorders has been increasing dramatically, mainly due to unhealthy lifestyles and voice abuse. An impairment in the ability to produce the sound of the voice is indicated by the medical term Dysphonia. This disorder impacts on the quality of life of the population in general, but especially of […]

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