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Channel estimation for OFDM system with two training symbols aided and polynomial fitting

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3 Author(s)
Huang Chang Lee ; Grad. Inst. of Commun. Eng., Nat. Chi Nan Univ., Nantou, Taiwan ; Chao-Wei Chen ; Shyue-Win Wei

A time-varying channel estimation method for orthogonal frequency division multiplexing (OFDM) systems is presented. The presented channel estimation method employs two training symbols in combination with polynomial fitting, thus obtaining accurate estimation results under a large normalized Doppler frequency.

Published in:

Communications, IEEE Transactions on  (Volume:58 ,  Issue: 3 )