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How to Make Quasi-Rectilinear Signals (MSK, GMSK, OQAM) Almost Equivalent to Rectilinear Ones (BPSK, ASK) for Widely Linear Filtering in the Presence

Widely linear (WL) receivers are able to fulfill single antenna interference cancellation (SAIC) of one rectilinear (R) or quasi-rectilinear (QR) co-channel interference (CCI), a function which is operational in GSM handsets in particular. However, SAIC requires enhancements for QR signals, for both VAMOS standard, an evolution of GSM/EDGE standard, and FBMC-OQAM networks, which are candidate for […]

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Numerical analysis on the net Gross MISO-SFNG in DVB-T2 system

In this study, a step-by-step analysis on the net Gross single-input single-output single frequencynetwork gain (SISO-SFNG) is presented. The net gain is calculated by subtracting the net gain of a MISO-SFN from that of a multiple-input singleoutput (MISO)-SFN. In order to predict the service coverage of SFN accurately, it is required to calculate the corresponding SFN […]

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Towards machines that know when they do not know: Summary of work done at 2014 Frederick Jelinek Memorial Workshop

A group of junior and senior researchers gathered as a part of the 2014 Frederick Jelinek Memorial Workshop in Prague to address the problem of predicting the accuracy of a nonlinear Deep NeuralNetwork probability estimator for unknown data in a different application domain from the domain in which the estimator was trained. The paper describes the […]

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Method for On-line Detection of Arcing in Low Voltage Distribution Systems

This paper presents an algorithm for on-line detection of arcing in low voltage (230V, 50Hz) distribution systems. Electromagnetic radiation has been used as feature for discrimination between arc and non-arc signals. The output of electromagnetic radiation sensor has been analyzed in the spectral domain using Log-Spectral distance-metric for the detection of arcing. For validation of […]

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Cooperative localization by factor composition over a faulty low-bandwidth communication channel

This paper reports on an underwater cooperative localization algorithm for faulty low-bandwidth communication channels based on a factor graph estimation framework. Vehicles measure the one-way-travel-time (OWTT) of acoustic broadcasts to obtain a relative range observation to the transmitting vehicle. We present a method to robustly share locally observed sensor data across thenetwork by exploiting odometry factor […]

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A Secure Radio Environment Map Database to Share Spectrum

A robust and secure database for spectrum sharing in cognitive radio networks that is obscured from the viewpoint of secondary users is presented. The database allocations secure features of white space resource usage from being learned. The design of non-inferable database is based on two cases. In the first case, the primary or spectrum lender has no […]

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Influence of shunt compensation with SVC devices on resonance risk in power systems

Many analyses are required to locate a new reactive power source in a power system. The choice of a location is a very complex matter which requires various aspects to be considered. Selecting a location also entails the necessity to assess it from the point of view of the selected compensator’s structure as well as […]

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A Dissipativity Approach to Safety Verification for Interconnected Systems

We propose a computational method for verifying a state-space safety constraint of a network of interconnected dynamical systems satisfying a dissipativity property. We construct an invariant set as the sublevel set of a Lyapunov function comprised of local storage functions for each subsystem. This approach requires only knowledge of a local dissipativity property for each subsystem and […]

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Photonic integrated transceiver for data readout systems

This study presents a photonic integrated transceiver for application in a data readout unit of a sensornetwork. The device was realized in a generic InP-based technology. The circuit uses an asymmetric coupler and a PIN photodiode for input signal detection and a Mach-Zehnder amplitude modulator for encoding of output sensor data. Small-signal modulation bandwidth of […]

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Frequency support by distributed demand side management of building cooling systems

The increasing generation of electric power from renewable energy resources is jeopardizing supply safety and security of the electricity network. Therefore the implementation of new control and management strategies is required to achieve their integration and maintain a permanent balance between power generation and demand. This paper investigates the possibility for electrical loads connected to the […]

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