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- W1974268631 abstract "We provide a comprehensive performance comparison of soft-output and hard-output demodulators in the context of non-iterative multiple-input multiple-output bit-interleaved coded modulation (MIMO-BICM). Coded bit error rate (BER), widely used in literature for demodulator comparison, has the drawback of depending strongly on the error correcting code being used. This motivates us to propose the mutual information of the equivalent modulation channel (comprising modulator, wireless channel, and demodulator) as a code-independent performance measure. We present extensive numerical results for spatially independent identically distributed (i.i.d.) ergodic and quasi-static fading channels under perfect and imperfect channel state information. These results reveal that the performance ranking of MIMO demodulators is rate-dependent and provide new insights regarding MIMO-BICM system design, i.e., the choice of antenna configuration, symbol constellation, and demodulator for a given target rate." @default.
- W1974268631 created "2016-06-24" @default.
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- W1974268631 date "2012-03-01" @default.
- W1974268631 modified "2023-10-15" @default.
- W1974268631 title "Performance Assessment of MIMO-BICM Demodulators Based on Mutual Information" @default.
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- W1974268631 doi "https://doi.org/10.1109/tsp.2011.2177823" @default.
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