Feedback-Channel and Adaptive MIMO Coded-Modulations (2006)
Abstract / truncated to 115 words
When the transmitter of a communication system disposes of some Channel State Information (CSI), it is possible to design linear precoders that optimally allocate the power inducing high gains either in terms of capacity or in terms of reliable communications. In practical scenarios, this channel knowledge is not perfect and thus the transmitted signal suffers from the mismatch between the CSI at the transmitter and the real channel. In that context, this thesis deals with two different, but related, topics: the design of a feasible transmitter channel tracker for time varying channels, and the design of optimal linear precoders robust to imperfect channel estimates. The first part of the thesis proposes the design of a ... toggle 5 keywordsMIMO-OFDM – feedback channel – transmitter channel tracking – channel prediction – channel state information (csi).
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