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Channel estimation in using BEM model-especially in the doubly selective channel estimation
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the Compressed Sensing (CS) methods in general and analyze the performance of Compressive Channel Estimation (CCE). CCE is an application of the theory and methodology of CS to the problem of estimating doubly selective channels in multicarrier syste
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the Compressed Sensing (CS) methods in general and analyze the performance of Compressive Channel Estimation (CCE). CCE is an application of the theory and methodology of CS to the problem of estimating doubly selective channels in multicarrier syste
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we present a new space–time block code for timeand frequency-selective (doubly-selective) channels. It can be interpreted
as the extension of the Alamouti code to doubly-selective channels, and relies on a joint time–frequency reversal of the trans
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ns STBC for purely time-selective channels by transforming the
time-selective channels into frequency-selective channels, and by
adjusting existing space–time code designs over frequency-selective
MIMO channels to collect joint space–Doppler ga
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Both these questions can be answered by assuming a restrictive yet
simple doubly-selective channel model. More specifically, we assume
ablock fading CCE-BEMchannel, which is defined as a block fading
channel where the time-variation subblock to
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