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Joint symbol timing and channel estimation for OFDM based WLANs

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4 Author(s)
E. G. Larsson ; Dept. of Electr. & Comput. Eng., Florida Univ., Gainesville, FL, USA ; Guoqing Liu ; Jian Li ; G. B. Giannakis

The orthogonal frequency-division multiplexing access technique has been attracting considerable interest especially for wireless local area networks (WLANs). We consider the joint estimation of the symbol timing, the channel length and the channel-impulse response. A novel estimation algorithm based on maximum-likelihood principles and the generalized Akaike information criterion are proposed. We provide simulation results to illustrate the performance of our proposed algorithm.

Published in:

IEEE Communications Letters  (Volume:5 ,  Issue: 8 )