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access icon free EM-based SNR estimator for faster-than-Nyquist signalling system

Considering the intentionally introduced inter-symbol interference and coloured noise, proposed is a new signal-to-noise ratio (SNR) estimator based on the expectation–maximisation algorithm for the faster-than-Nyquist signalling system. The proposed SNR estimator can maximise the likelihood function by iteratively using the soft information from the channel decoder. Moreover, the new SNR estimator can be applied into high-order modulation. The performance of the proposed SNR estimator is verified and tested.

References

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      • 2. Kim, Y.J.D., Bajcsy, J.: ‘Iterative receiver for faster-than-Nyquist broadcasting’, Electron. Lett., 2012, 48, (24), pp. 12.
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      • 2. Kim, Y.J.D., Bajcsy, J.: ‘Iterative receiver for faster-than-Nyquist broadcasting’, Electron. Lett., 2012, 48, (24), pp. 12.
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http://iet.metastore.ingenta.com/content/journals/10.1049/el.2015.1517
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