目前802.11ax协议最新的Draft 1.0版本，802.11ax引进或者改进了多项新技术，例如更高的调制阶数(1024QAM)、更多的FFT点数、更窄的子载波间隔、上下行OFDMA技术、上下行MU-MIMO技术(其中下行MU-MIMO在802.11ac时引入)、空间复用技术等。

移动通信标准协议ieeestd802.11b 802.11b has a maximum raw data rate of 11 Mbit/s and uses the same CSMA/CA media access method defined in the original standard. Due to the CSMA/CA protocol overhead, in practice the maximum 802.11b throughput that an application can achieve is about 5.9 Mbit/s using TCP and 7.1 Mbit/s using UDP. 802.11b products appeared on the market in mid-1999, since 802.11b is a direct extension of the DSSS (Direct-sequence spread spectrum) modulation technique defined in the original standard. The Apple iBook was the first mainstream computer sold with optional 802.11b networking. Technically, the 802.11b standard uses complementary code keying (CCK) as its modulation technique. The dramatic increase in throughput of 802.11b (compared to the original standard) along with simultaneous substantial price reductions led to the rapid acceptance of 802.11b as the definitive wireless LAN technology. 802.11b devices suffer interference from other products operating in the 2.4 GHz band. Devices operating in the 2.4 GHz range include: microwave ovens, Bluetooth devices, baby monitors and cordless telephones. Interference issues and user density problems within the 2.4 GHz band have become a major concern and frustration for users.

华为 荣耀 笔记本 锐龙版8822ce WIN10网络驱动驱动 实测可用 背部标识： 笔记本电脑 型号：Nbl-WAP9HNL 驱动大师等类似识别网卡软件识别型号：Realtek 8822CE Wireless LAN 802.11ac PCI-E NIC / Electronics Telecommunication RSH 经过2020年2月19日的实际测试，此驱动可用，有效，稳定。 http://www.chinafix.net

eetop.cn_802.11无线网络权威指南（第二版全，非扫描

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rtl8812au, Realtek 802.11网卡Linux驱动程序 Realtek 802.11交流( rtl8812au )这是 802.11交流( rtl8812au ) v4.2.2 ( 7502.20130507 ) 驱动程序改变的fork，可以以在Linux内核版本> = 3.10上进

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