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Combined decoding and channel estimation of OFDM systems in mobile radio networks

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1 Author(s)
Jarbot, L. ; Inst. of Network & Signal Technol., Darmstadt Univ. of Technol., Germany

An improved method to estimate the channel transfer function of a multi-carrier system (OFDM) is presented. The basic idea is to utilize the (soft) results of a decoding process to estimate and predict the channel coefficients of a frequency selective fading channel. The symbolwise soft-output of the decoder is treated as a reliability of the decoder decision. Using this reliability as a measure it is possible to update the channel estimation by the most reliable decoder decisions

Published in:

Vehicular Technology Conference, 1997, IEEE 47th  (Volume:3 )

Date of Conference:

4-7 May 1997