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    面向5G TSN的網絡架構演進及增強技術研究
    2020年電子技術應用第10期
    吳欣澤1,信金燦2,張 化2
    1.北京郵電大學 信息與通信工程學院,北京100876;2.中國電信股份有限公司研究院,北京102209
    摘要: 近年來,時間敏感網絡技術(TSN)的發展逐步引起工業界的廣泛關注,其憑借低抖動、低延時、確定性傳輸等優勢,為對傳輸時延有較高要求的應用場景提供了有力支撐,成為下一代工業網絡承載技術的重要演進方向之一。為了在端到端的層面上滿足某些垂直行業業務對低時延、高可靠的需求,5G網絡在R15 URLLC的基礎上對QOS、空口同步、頭壓縮等方面進行了增強,以滿足TSN網絡對于5G設備的嚴苛要求。首先從垂直行業需求入手,分析了5G網絡與TSN融合的必要性,最后結合3GPP R16標準進展研究了TSN對于5G商用網絡改造需求以及面臨的挑戰。
    中圖分類號: TN915
    文獻標識碼: A
    DOI:10.16157/j.issn.0258-7998.200791
    中文引用格式: 吳欣澤,信金燦,張化. 面向5G TSN的網絡架構演進及增強技術研究[J].電子技術應用,2020,46(10):8-13.
    英文引用格式: Wu Xinze,Xin Jincan,Zhang Hua. Study on network architecture evolution and enhancement technology for 5G TSN[J]. Application of Electronic Technique,2020,46(10):8-13.
    Study on network architecture evolution and enhancement technology for 5G TSN
    Wu Xinze1,Xin Jincan2,Zhang Hua2
    1.School of Information and Communication Engineering,Beijing University of Posts and Communication,Beijing 100876,China; 2.China Telecom Corporation Limited Research Institute,Beijing 102209,China
    Abstract: Recent years, the development of Time Sensitive Network(TSN) technology has gradually attracted widespread attention from industry. Characterized by low jitter, low delay and deterministic transmission, TSN has provided strong support for scenarios with high requirements of transmission delay. It has become one of the important evolution directions of the next-generation industrial network bearer technology. In order to meet the low-latency and high-reliability requirements of vertical industry services at the end-to-end level, 5G network has enhanced QoS, air interface synchronization, header compression and other aspects to meet the strict requirements of TSN network for 5G equipment on the basis of R15 URLLC. Starting from the demands of vertical industries, this article analyzes the necessity of the integration of TSN and 5G network. The needs and challenges of TSN for 5G commercial network transformation has also been studied based on the 3GPP R16 standardization progress in the end.
    Key words : time sensitive network;5G network architecture;URLLC;QoS

    0 引言

        作為新一代移動通信系統,5G開啟了全連接、全業務的時代,實現一網萬用,使能行業數字化轉型。URLLC作為 5G 的應用場景之一,旨在為工業自動化、自動駕駛等領域通過無線連接的方式提供端對端的超高可靠性和極低時延的通信,滿足實時應用對關鍵數據傳輸的嚴苛要求[1]。




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    作者信息:

    吳欣澤1,信金燦2,張  化2

    (1.北京郵電大學 信息與通信工程學院,北京100876;2.中國電信股份有限公司研究院,北京102209)

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