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Communications and Networking. 15th EAI International Conference, ChinaCom 2020, Shanghai, China, November 20-21, 2020, Proceedings

Research Article

Low Latency Wireless Communication System Implemented on a Software-Defined Radio Platform

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  • @INPROCEEDINGS{10.1007/978-3-030-67720-6_45,
        author={Yujie Liu and Jun Yu and Fusheng Zhu and Wenru Zhang and Jun Wu},
        title={Low Latency Wireless Communication System Implemented on a Software-Defined Radio Platform},
        proceedings={Communications and Networking. 15th EAI International Conference, ChinaCom 2020, Shanghai, China, November 20-21, 2020,  Proceedings},
        proceedings_a={CHINACOM},
        year={2021},
        month={2},
        keywords={Low latency Software-defined radio URLLC OpenAirInterface},
        doi={10.1007/978-3-030-67720-6_45}
    }
    
  • Yujie Liu
    Jun Yu
    Fusheng Zhu
    Wenru Zhang
    Jun Wu
    Year: 2021
    Low Latency Wireless Communication System Implemented on a Software-Defined Radio Platform
    CHINACOM
    Springer
    DOI: 10.1007/978-3-030-67720-6_45
Yujie Liu1, Jun Yu1, Fusheng Zhu, Wenru Zhang, Jun Wu2,*
  • 1: College of Electronic and Information Engineering
  • 2: School of Computer Science
*Contact email: wujun@fudan.edu.cn

Abstract

Low latency communication has attracted much interest in recent years due to the emergence of new types of delay-sensitive applications. Ultra-Reliable and Low-Latency Communication (URLLC) is also considered as one of the important use-cases in 5G cellular system. Traditional wireless communication system is usually optimized for high data throughput, but cannot satisfy the requirement of strict latency threshold. Semi-persistent scheduling and TTI shortening are two methods to address this problem. We implemented these methods by making modification based on OpenAirInterface framework, and build up a realistic cellular network system using software-defined radio technology. Experimental results show a dramatic latency reduction comparing with the baseline LTE scheme. By integrating these effective methods, we implemented a practical wireless communication system that can provide low latency transmission service.

Keywords
Low latency Software-defined radio URLLC OpenAirInterface
Published
2021-02-02
Appears in
SpringerLink
http://dx.doi.org/10.1007/978-3-030-67720-6_45
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