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Träfflista för sökning "WFRF:(Caldera Manora) srt2:(2007)"

Sökning: WFRF:(Caldera Manora) > (2007)

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1.
  • Rohani, Behrooz, et al. (författare)
  • Adaptive Control of Perceptual Speech Quality in Modern Wireless Networks
  • 2007
  • Konferensbidrag (refereegranskat)abstract
    • The speech quality in modern wireless networks has been traditionally measured by metrics which are derived from radio link measurements. The indirect measurement of speech quality based on such metrics is unreliable and often precious network resources are sacrificed to make up for this. In this paper, a perceptual metric is considered for direct measurement of speech quality and the framework for adaptive control of the perceptual speech quality is presented.
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2.
  • Shaheem, Asri, et al. (författare)
  • Prefiltered Turbo Equalization with SINR Mismatch
  • 2007
  • Konferensbidrag (refereegranskat)abstract
    • In this paper, we consider the use of a channel shortening prefilter in conjunction with a turbo equalizer, in order to allow its use with arbitrarily long channel impulse responses. We show that the residual intersymbol interference (ISI), caused by imperfect channel shortening, results in considerable performance loss. However, by intentionally introducing a particular signal-to-interference plus noise ratio (SINR) mismatch, some of the penalty incurred can be overcome. We also show that the coloring of the noise through the prefilter results in a significant performance loss, which is insensitive to SINR mismatch and cannot be improved by choosing an appropriate SINR mismatch.
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  • Resultat 1-2 av 2
Typ av publikation
konferensbidrag (2)
Typ av innehåll
refereegranskat (2)
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Caldera, Manora (2)
Zepernick, Hans-Jürg ... (2)
Rohani, Bijan (1)
Rohani, Behrooz (1)
Shaheem, Asri (1)
Lärosäte
Blekinge Tekniska Högskola (2)
Språk
Engelska (2)
Forskningsämne (UKÄ/SCB)
Teknik (2)
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2007 (2)Ta bort avgränsningen

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