Search for dissertations about: "signal subspace enhancement"
Found 2 swedish dissertations containing the words signal subspace enhancement.
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1. Two-Dimensional Signal Root Estimation in Blind Multichannel Impact Response Analysis
Abstract : This doctoral dissertation concerns two-dimensional frequency estimation for modal analysis of single-input multiple-output impact responses from circularly cylindrical objects. The application is within detection of internal defects in trunks of spruce. READ MORE
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2. Cross-layer Aspects in OFMDA Systems : Feedback, Scheduling and Beamforming
Abstract : This thesis mainly studies the downlink of a wireless multiuser system, where the transmitter has limited knowledge about the communication channels of the users. Key techniques to improve the performance of such systems are, for instance, multiple antennas, multiuser diversity and orthogonal frequency-division multiple access (OFDMA). READ MORE