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Communications and Networking. 14th EAI International Conference, ChinaCom 2019, Shanghai, China, November 29 – December 1, 2019, Proceedings, Part I

Research Article

Primary Synchronization Signal Low Complexity Sliding Correlation Method

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  • @INPROCEEDINGS{10.1007/978-3-030-41114-5_50,
        author={Huahua Wang and Dongfeng Chen and Juan Li},
        title={Primary Synchronization Signal Low Complexity Sliding Correlation Method},
        proceedings={Communications and Networking. 14th EAI International Conference, ChinaCom 2019, Shanghai, China, November 29 -- December 1, 2019, Proceedings, Part I},
        proceedings_a={CHINACOM},
        year={2020},
        month={2},
        keywords={LTE-A system Primary synchronization signal FFT Sliding correlation},
        doi={10.1007/978-3-030-41114-5_50}
    }
    
  • Huahua Wang
    Dongfeng Chen
    Juan Li
    Year: 2020
    Primary Synchronization Signal Low Complexity Sliding Correlation Method
    CHINACOM
    Springer
    DOI: 10.1007/978-3-030-41114-5_50
Huahua Wang1, Dongfeng Chen1,*, Juan Li2
  • 1: School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications
  • 2: School of Science College, Chongqing University of Posts and Telecommunications
*Contact email: chendongfengmr@foxmail.com

Abstract

With the development of technology, the mobile communication system has the characteristics of high rate and low delay. How to deal with the signal quickly and accurately has become a research hotspot. As the first step of the mobile communication system, the efficiency and performance of synchronization directly determine the follow-up signal Processing. In the mobile communication system, the terminal needs to synchronize the frequency and time of the received signal, that is, the synchronization signal is captured and processed. Frequency synchronization mainly carries on the digital down-conversion operation to the signal, the time synchronization is mainly through sliding the baseband signal with the locally generated synchronization sequence to determine the starting position of the synchronization signal, so as to achieve the time synchronization. Therefore, in this paper, taking LTE-A (Long Term Evolution Advanced) system as an example, a low-complexity sliding correlation method based on Fast Fourier Transform (FFT) is proposed in this paper, which can significantly reduce the computations in the synchronization process the complexity.

Keywords
LTE-A system Primary synchronization signal FFT Sliding correlation
Published
2020-02-27
Appears in
SpringerLink
http://dx.doi.org/10.1007/978-3-030-41114-5_50
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