The invention provides a method for wireless LAN channel access process, the method includes: site generates a backoff counter value, then the site receives the first trigger frame perform backoff operation, including the operation of backoff backoff counter value minus the number of subchannels for N random access, obtained the new backoff counter. When the value of the backoff counter is a new 0 or negative, random selection of the site for a sub channel random access channel in the sub channel to transmit upstream access. The invention also provides a corresponding channel access device. By applying the method and device of the embodiment of the invention, the access efficiency of the system is improved and the waste of the system resources is avoided.
【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请，说明书已公开。
【技术保护点】
PCT国内申请，权利要求书已公开。
【技术特征摘要】
【国外来华专利技术】PCT国内申请，...
【专利技术属性】
技术研发人员：李云波，李彦淳，罗毅，
申请(专利权)人：华为技术有限公司，
类型：发明
国别省市：广东,44
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