NDLI: Bayesian approaches for combining noisy mean and covariance channel information

Content Provider	IEEE Xplore Digital Library
Author	Slock, D.T.M. de Francisco, R.
Copyright Year	2005
Description	Author affiliation: Inst. Eurecom, Sophia Antipolis, France (Slock, D.T.M.; de Francisco, R.)
Abstract	In this paper techniques are proposed for combining information about the mean and the covariance of the channel for the purpose of two applications. One is channel estimation, possibly in a parametric or physical model form. The other concerns (partial) channel state information at the transmitter (CSIT), typically used in MIMO systems for the design of spatial prefiltering and water-filling. For the purpose of channel estimation, it has recently become customary to combine mean and covariance information in a Bayesian approach, leading to a MMSE or MAP improved channel estimate. For the purpose of generating CSIT, the cases of mean or covariance information are still being treated separately. A Bayesian approach is presented here incorporating both pieces of information. The approach yields the existing cases of mean or covariance information as special instances. We then take the unified approach one step further by allowing not only the mean information to be noisy but also the covariance information.
Starting Page	650
Ending Page	654
File Size	846807
Page Count	5
File Format	PDF
ISBN	0780388674
DOI	10.1109/SPAWC.2005.1506220
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bayesian methods MIMO Transmitters Channel estimation Covariance matrix Training data Channel capacity Delay Filling Degradation
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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