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- W2109872908 abstract "We consider the problem of channel state infor- mation (CSI) transmission on a fast feedback link for a mul- tiuser MIMO system.We examine the relative merits of channel feedback schemes based on Shannon's source-channel separation theorem and non-separation based schemes and show that the latter are preferable in this application. For the non-separation based schemes, we first consider a simple analog transmission and then develop a hybrid digital-analog transmission scheme which quantizes the CSI using a few bits and sends these bits and also the quantization error using analog transmission. We show that the hybrid scheme achieves a higher throughput compared to both analog and digital transmissions and has a much lower computational complexity compared to a digital scheme." @default.
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- W2109872908 date "2009-04-01" @default.
- W2109872908 modified "2023-09-27" @default.
- W2109872908 title "Comparison of Practical Feedback Algorithms for Multiuser MIMO" @default.
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- W2109872908 doi "https://doi.org/10.1109/vetecs.2009.5073453" @default.
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