Communication Rates for Fading Channels with Imperfect Channel-State Information (2014)
Abstract / truncated to 115 words
An important specificity of wireless communication channels are the rapid fluctuations of propagation coefficients. This effect is called fading and is caused by the motion of obstacles, scatterers and reflectors standing along the different paths of electromagnetic wave propagation between the transmitting and the receiving terminal. These changes in the geometry of the wireless channel prompt the attenuation coefficients and the relative phase shifts between the multiple propagation paths to vary. This suggests to model the channel coefficients (the transfer matrix) as random variables. The present thesis studies information rates for reliable transmission of information over fading channels under the realistic assumption that the receiver has only imperfect knowledge of the random fading state. While ... toggle 14 keywordschannel capacity – fading channels – flat fading – imperfect channel-state information – channel estimation – mutual information – rayleigh fading – block fading – wireless communications – MIMO – precoding – pilot/training sequence optimization – power boost – joint pilot/precoder design.
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