Search for dissertations about: "Elektronik och elektroteknik"
Showing result 21 - 25 of 5186 swedish dissertations containing the words Elektronik och elektroteknik.
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21. Expressing emotions through vibration for perception and control
Abstract : This thesis addresses a challenging problem: “how to let the visually impaired ‘see’ others emotions”. We, human beings, are heavily dependent on facial expressions to express ourselves. A smile shows that the person you are talking to is pleased, amused, relieved etc. READ MORE
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22. High-End Performance with Low-End Hardware : Analysis of Massive MIMO Base Station Transceivers
Abstract : Massive MIMO (multiple-input–multiple-output) is a multi-antenna technology for cellular wireless communication, where the base station uses a large number of individually controllable antennas to multiplex users spatially. This technology can provide a high spectral efficiency. READ MORE
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23. Aspects of Power Allocation in Massive MIMO
Abstract : The past decades have seen a rapid growth of mobile data trac, both in terms of connected devices and data rate. To satisfy the ever growing data trac demand in wireless communication systems, the current cellular systems have to be redesigned to increase both spectral eciency and energy eciency. READ MORE
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24. Pulse-Width Modulated RF Transmitters
Abstract : The market for wireless portable devices has grown signicantly over the recent years.Wireless devices with ever-increased functionality require high rate data transmissionand reduced costs. READ MORE
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25. Energy-Efficient Data Converters for Low-Power Sensors
Abstract : Wireless sensor networks (WSNs) are employed in many applications, such as for monitoring bio-potential signals and environmental information. These applications require high-resolution (> 12-bit) analog-to-digital converters (ADCs) at low-sampling rates (several kS/s). READ MORE