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Showing result 1 - 5 of 19 swedish dissertations matching the above criteria.
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1. Predictor Antennas : Enabling channel prediction for fast-moving vehicles in wireless broadband systems
Abstract : Many advanced transmission techniques utilize channel state information (CSI) at the transmitter (CSIT) to improve throughput, spectral efficiency, power efficiency, and other performance metrics. Estimating CSI accurately is important to fully benefit from many of these techniques. READ MORE
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2. Dielectrically Loaded Quad-ridge Flared Horns for Ultra Wideband Reflector Feed Applications in Radio Astronomy
Abstract : Reflector-based radio telescopes are used as tools for observations in both radio astronomy and space geodesy. To observe the weak sources in space, highly sensitive receivers, fronted by optimized reflector feeds, are therefore needed. READ MORE
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3. Characterization of artificially soft surfaces and their applications in antenna design
Abstract : .... READ MORE
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4. Integrated Antenna Solutions for Wireless Sensor and Millimeter-Wave Systems
Abstract : This thesis presents various integrated antenna solutions for different types of systems and applications, e.g. wireless sensors, broadband handsets, advanced base stations, MEMS-based reconfigurable front-ends, automotive anti-collision radars, and large area electronics. READ MORE
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5. A comprehensive study of resistor-loaded planar dipole antennas for ground penetrating radar applications
Abstract : Ground penetrating radar (GPR) systems are increasingly being used for the detection and location of buried objects within the upper regions of the earth’s surface. The antenna is the most critical component of such a system. READ MORE