NDLI: Estimation-Induced Outage Capacity of Ricean Channels

Content Provider	IEEE Xplore Digital Library
Author	Piantanida, P. Matz, G. Duhamel, P.
Copyright Year	2006
Description	Author affiliation: Lab. des Signaux et Syst., CNRS, Gif-sur-Yvette (Piantanida, P.)
Abstract	Classically, communication systems are designed assuming perfect channel state information at least at the receiver. However, in most practical situations, only an estimate of the channel is available that differs from the true channel. In this paper, we address this channel uncertainty scenario by introducing the notion of estimation-induced outage capacity. The maximum achievable outage rate for prescribed outage probability is analytically derived from a coding theorem. We provide numerical results for the case of Ricean fading channels and maximum-likelihood (ML) channel estimation. Our results provide intuitive insights on the impact of the channel estimate and the channel characteristics (SNR, Ricean K-factor, etc.) on the outage capacity. We furthermore compare our results with the capacity of a system where the receiver uses a mismatched ML decoder
Starting Page	1
Ending Page	5
File Size	6049534
Page Count	5
File Format	PDF
ISBN	078039710X
DOI	10.1109/SPAWC.2006.346473
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-07-02
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Channel capacity Fading Uncertainty AWGN Error probability State estimation Channel estimation Codes Information rates Channel state information
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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