In this doctoral thesis, we investigate efficient precoding techniques for massive antenna systems in frequency-division duplex (FDD) mode, addressing the challenges of limited channel state information (CSI). While massive antenna systems promise enhanced spectral and energy efficiency, these benefits depend heavily on accurate channel knowledge at the transmitter. We develop different robust transmit strategies that effectively cope with incomplete CSI at the base station, offering an optimal balance between computational complexity and system throughput.
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In this doctoral thesis, we investigate efficient precoding techniques for massive antenna systems in frequency-division duplex (FDD) mode, addressing the challenges of limited channel state information (CSI). While massive antenna systems promise enhanced spectral and energy efficiency, these benefits depend heavily on accurate channel knowledge at the transmitter. We develop different robust transmit strategies that effectively cope with incomplete CSI at the base station, offering an optimal...
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