Estimation of the Radio Channel Parameters using the SAGE Algorithm
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Date
2010-12
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Mark
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Společnost pro radioelektronické inženýrství
Abstract
This paper presents the problem of estimating the parameters of a given number of superimposed signals, as is the case of the received signal in wireless communications. Based on the description of the received signal in the frequency domain, one version of the SAGE (Space-Alternating Generalized Expectation-Maximization) algorithm is presented, allowing the estimation, for each impinging ray, the delay, azimuth, elevation and complex amplitude. Ray retrieval results are presented in synthetic channels, using data generated with the extended Saleh Valenzuela (ESV) model, and also in real channels.
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Citation
Radioengineering. 2010, vol. 19, č. 4, s. 695-702. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2010/10_04_695_702.pdf
http://www.radioeng.cz/fulltexts/2010/10_04_695_702.pdf
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Peer-reviewed
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en