Scalar coherent fading channel: dispersion analysis

Author(s)
Polyanskiy, Yury; Verdu, Sergio
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Abstract
The backoff from capacity due to finite blocklength can be assessed accurately from the channel dispersion. This paper analyzes the dispersion of a single-user, scalar, coherent fading channel with additive Gaussian noise. We obtain a convenient two-term expression for the channel dispersion which shows that, unlike the capacity, it depends crucially on the dynamics of the fading process.
Date issued
2011-07
URI
http://hdl.handle.net/1721.1/78929
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Laboratory for Information and Decision Systems
Journal
IEEE International Symposium on Information Theory Proceedings (ISIT), 2011
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Polyanskiy, Yury, and Sergio Verdu. Scalar Coherent Fading Channel: Dispersion Analysis. In Pp. 2959–2963. IEEE, 2011.
Version: Author's final manuscript
ISBN
978-1-4577-0594-6
978-1-4577-0596-0
ISSN
2157-8095
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