802.11ax物理层协议介绍
时间: 2023-09-17 13:14:41 浏览: 219
802.11ax协议标准2021版
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802.11ax是一种高效无线协议,旨在在高密度部署的环境下提高每个用户的平均速率(达到802.11ac的4倍),降低网络延迟,并提供更好的公平性保证。该协议在物理层引入了多项重大变更,并与802.11a/b/g/n和ac设备向下兼容。这意味着802.11ax设备可以与旧有设备进行数据传输和接收,并且旧有客户端可以解调和译码802.11ax封包表头。此外,802.11ax还支持多个非重叠20 MHz信道,并使用正交频分复用(OFDM)技术。总的来说,802.11ax的物理层协议引入了许多改进,以提高无线网络的性能和效率。\[1\]\[2\]\[3\]
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