Beacon frames are used by the access points (and stations in an IBSS) to communicate throughout the serviced area the characteristics of the connection offered to the cell members. This information used by clients trying to connect to the network as well as clients already associated to the BSS.
信标帧被接入点(以及IBSS中的站点)用于在服务区域内传达提供给单元成员的连接特性。这些信息由尝试连接到网络的客户端以及已经关联到BSS的客户端使用。
Beacons are sent periodically at a time called
Target Beacon Transmission Time
(TBTT
)
信标周期性地发送,发送时间称为目标信标传输时间(TBTT
)
1 TU = 1024 microseconds
Beacon interval =100 TU
(100x 1024 microseconds or102.4
milliseconds)
1 TU = 1024 微秒
信标间隔 = 100 TU
(100x 1024 微秒或 102.4
毫秒)