Robust Transmission for Heterogeneous Networks with Cognitive Small Cells
Carrson C. Fung c.fung@ieee.org Department of Electronics Engineering, National Chiao Tung University, Hsinchu, Taiwan
Abstract
Transmission over flat-fading multiple-input and multiple-output (MIMO) and doubly selective fading single-input and single-output (SISO) interference channels often relies on the use of a robust precoder due to a lack of accurate channel state information, with performance often depending on the conservativeness of the mismatch model. In the literature, cognitive small cells using such a transmission scheme have been proposed for use in heterogeneous networks, which can provide increased cell density with minimum effect from interference. ...
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