New OFDM Channel Estimation Method Based on ISI Cancellation

Jin Cui; Ding Rong Shao; Bo Zhang

doi:10.4028/www.scientific.net/AMM.651-653.2343

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 651-653New OFDM Channel Estimation Method Based on ISI...

New OFDM Channel Estimation Method Based on ISI Cancellation

Abstract:

According to the application needs of OFDM techniques, a new method of orthogonal frequency division multiplexing (OFDM) channel estimation based on inter symbol interference (ISI) cancellation was proposed. The channel estimation was based on circular convolution, after which a low-complexity frequency-domain ZF equalization was used. The performance of bit-error-rate (BER) was also simulated and analyzed under the additive-white-Gaussian-noise (AWGN) channel, Rayleigh fading channel with mobility. The simulation results showed that this method could be applied to the channels of time-varying environments, and could get better performance than the traditional cyclic prefix (CP)-OFDM.

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Periodical:

Applied Mechanics and Materials (Volumes 651-653)

Pages:

2343-2346

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.651-653.2343

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Online since:

September 2014

Authors:

Jin Cui*, Ding Rong Shao, Bo Zhang

Keywords:

Channel Estimation, Equalization, ISI Cancellation, OFDM, Signal Proceedings

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