| Wi-Fi6的多用户技术 |
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| 引用本文： | 王姣姣,邵震,黄国瑾.Wi-Fi6的多用户技术[J].电信科学,2021,37(4):132-139. |
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| 作者姓名： | 王姣姣 邵震 黄国瑾 |
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| 作者单位： | 中国电信股份有限公司研究院,上海 200122 |
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| 摘 要： | Wi-Fi6是Wi-Fi联盟对IEEE 802.11ax的新命名方式,以便于这项Wi-Fi新技术的推广。Wi-Fi 6技术聚焦高密度场景的多用户性能、效率等方面,引入OFDMA、上行MU-MIMO等多用户技术,极大提升系统容量,降低传输时延。阐述OFDMA、MU-MIMO、MU-RTS/CTS技术的原理,详细介绍多用户场景的通信流程,并从理论角度分析Wi-Fi 6的上下行并发用户能力,最后对Wi-Fi 6技术的应用前景进行展望和总结。
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| 关 键 词： | Wi-Fi6 OFDMA MU-MIMO 多用户 |
Multi-user coordination technology |
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| WANG Jiaojiao,SHAO Zhen,HUANG Guojin.Multi-user coordination technology[J].Telecommunications Science,2021,37(4):132-139. |
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| Authors: | WANG Jiaojiao SHAO Zhen HUANG Guojin |
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| Institution: | (Research Institute of China Telecom Co.,Ltd.,Shanghai 200122,China) |
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| Abstract: | Wi-Fi 6 was the new name of IEEE 802.11ax by the Wi-Fi Alliance to facilitate the promotion of new Wi-Fi technology.Wi-Fi 6 technology focused on improving multi-user performance and efficiency in dense deployment scenario.Introducing OFDMA,UL MU-MIMO and other multi-user collaboration technologies,greatly increases system capacity and reduces transmission delay.The principles of OFDMA,MU-MIMO,MU-RTS/CTS technologies were described,the communication process in multi-user scenario was introduced in detail,and the UL and DL simultaneous user numbers of Wi-Fi 6 were analyzed in theory.Finally,the application potential of Wi-Fi 6 were discussed. |
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| Keywords: | Wi-Fi6 OFDMA MU-MIMO multi-user |
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