wifi iwconfig中的link quality和signal level的意义

最新推荐文章于 2024-10-08 18:18:45 发布

zqgtiger

最新推荐文章于 2024-10-08 18:18:45 发布

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本文解释了802.11标准中定义的信号质量与信号强度的概念。信号质量是通过‘PN码相关强度’来衡量的，即接收到的直接序列扩频(DSSS)信号与理想DSSS信号之间的匹配度。而信号强度则直接定义于802.11标准中。

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www.bocon.com.cn/boconbbs/redirect.php?fid=14&tid=4616&goto=nextnewsetlink quality 也就是30/70,• Signal quality is defined very briefly in the 802.11 standard. Common
definitions have
arisen, but they are usually incorrect. The correct definition hinges on the
term, “PN code correlation strength,” which is a measure of the match
(correlation) between the incoming DSSS signal and an ideal DSSS signal.
实际的和理想的比值
signal level“• Signal strength is defined in 802.11