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On channel estimation in OFDM systems

On channel estimation in OFDM systems,10.1109/VETEC.1995.504981,Jan-Jaap van de Beek,Ove Edfors,Magnus Sandell,S. K. Wilson,P. O. Borjesson

On channel estimation in OFDM systems   (Citations: 478)
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The use of multi-amplitude signaling schemes in wireless OFDM systems requires the tracking of the fading radio channel. The paper addresses channel estimation based on time-domain channel statistics. Using a general model for a slowly fading channel, the authors present the MMSE and LS estimators and a method for modifications compromising between complexity and performance. The symbol error rate for a 18-QAM system is presented by means of simulation results. Depending upon estimator complexity, up to 4 dB in SNR can be gained over the LS estimator
Conference: Vehicular Technology, IEEE Conference - VTC -Spring , vol. 2, pp. 815-819 vol.2, 1995
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