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Research on the Intelligent Signal Channel Sensing Based ICI Elimination Algorithm of the OFDM System

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Abstract

This paper investigated the channel estimation based inter-carrier interference (ICI) cancellation algorithm elimination of the orthogonal frequency division multiplexing (OFDM) system. Compared to the traditional technologies, this new algorithm would be processed as part of ICI as noise, and to reduce the effects of interference between the carrier frequency offset by simultaneous judgment and impulse channel frequency response (CFR). At the same time, the algorithm considered the CFR estimate of the frequency-offset effect, the closest to the actual frequency offset value, thereby reducing the ICI. To simplify the calculation, the frequency-offset hypothesis was determined utilizing a binary search method, and matrix interference was simplified. Simulation results demonstrated the effectiveness and superiority of the algorithm.

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Acknowledgements

This work was supported in part by Jiangsu Policy Guidance (Industry University Research) Project (Grant no. BY2016030-16), Major horizontal project (Grant no. KYH15052), Talent Introduction Project (Grant no. KYY15016) and Jiangsu Planned Projects for Postdoctoral Research Funds (Grant no. 1601138B).

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Authors and Affiliations

  1. School of Automotive and Traffic Engineering, Jiangsu University of Technology, Changzhou, Jiangsu, 213001, China

    Ranran Liu

  2. Cudatec Development Corp, Changzhou, China

    Ranran Liu

  3. Institute of Bioinformatics and Medical Engineering, School of Electrical and Information Engineering, Jiangsu University of Technology, Changzhou, China

    Enxing Zheng

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  1. Ranran Liu
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Correspondence to Enxing Zheng.

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Liu, R., Zheng, E. Research on the Intelligent Signal Channel Sensing Based ICI Elimination Algorithm of the OFDM System. Mobile Netw Appl 22, 255–266 (2017). https://doi.org/10.1007/s11036-016-0792-7

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  • DOI: https://doi.org/10.1007/s11036-016-0792-7

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