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- W1602972272 abstract "In this paper, to achieve the available spatial, temporal, and frequency diversities, and also to make the system implementation feasible for high-speed orthogonal frequency division multiplexing multiple-input multiple-output multiplexing, a novel layered space–time–frequency (LSTF) transmitter architecture with multiple channel encoders is proposed with each independently coded information sub-stream being threaded in the three-dimensional (3-D) space–time–frequency transmission resource array. The performance of a non-iterative receiver consisting of a maximum-likelihood detector with QR decomposition and M-algorithm maximum-likelihood detection is exploited, by employing irregular low-density parity-check code as the channel code. The threaded distribution of each coded information sub-stream in the proposed LSTF architecture makes it achieve the spatial, temporal, and frequency diversities the same as the conventional single-encoder LSTF architecture where coding is applied across the whole information stream, and simulation results show that the performance of the proposed multiple-encoder LSTF architecture is very close to that of the conventional single-encoder LSTF architecture. However, because of the use of multiple parallel encoders/decoders with a shorter codeword length, the proposed LSTF architecture has much lower hardware processing speed and complexity than that of the conventional LSTF architecture. Copyright © 2011 John Wiley & Sons, Ltd." @default.
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- W1602972272 date "2011-08-15" @default.
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- W1602972272 title "Multiple-encoder layered space-time-frequency architecture with QR decomposition and M-algorithm maximum-likelihood detection" @default.
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- W1602972272 doi "https://doi.org/10.1002/wcm.1167" @default.
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