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- W2373700283 abstract "The recursive coding method based on subcarriers for multiple input multiple output orthogonal frequency division(MIMO-OFDM) systems has large feedback overhead,and the clustering based recursive feedback coding approach appears error propagation problems.Therefore,a novel feedback reduction method based on recursive coding is proposed.Exploiting the residual frequency correlation between the cluster beamforming vectors,this method reduces feedback load more efficiently.Meanwhile,the proposed approach avoids error propagation by searching initial codebook periodically.We also propose a new modified clustering feedback reduction method,which will inform transmitter the changed codewords and their indexes.Simulation results verify the significantly reduced signaling overhead with good system performance." @default.
- W2373700283 created "2016-06-24" @default.
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- W2373700283 date "2013-01-01" @default.
- W2373700283 modified "2023-09-22" @default.
- W2373700283 title "Feedback reduction algorithms for MIMO-OFDM systems" @default.
- W2373700283 hasPublicationYear "2013" @default.
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