Beacon frame sending method, Beacon frame receiving method, access point (AP) and wireless client

Abstract

The invention discloses a Beacon frame sending method, which comprises the following steps that: an access point (AP) receives control messages issued by an access controller, and the control messages comprise information of at least two wireless services; the AP uses the information of at least two wireless services for a configuring type length value (TLV) and individual fields aiming at wireless services in a Beacon frame for forming the Beacon frame comprising at least two wireless services, and the TLV is used for indicating the deflection quantity of base media access control (MAC) of each wireless service aiming at the Beacon frame and the deflection position of the individual field of each wireless service in the Beacon frame; and the AP sends the Beacon frame to a wireless client. The invention also discloses a Beacon frame receiving method, which comprises the following steps that: the wireless client receives the Beacon frame, the basic service identification code corresponding to each wireless service is analyzed according to the TLV, the individual field corresponding to each wireless service is read, a public field is read, and the information of several wireless services in the Beacon frame is obtained. The invention also discloses the AP and the wireless client. The efficiency of the Beacon frame for issuing the wireless services can be improved.

Description

technical field [0001] The present application relates to the technical field of wireless local area networks, and in particular to methods for sending and receiving Beacon frames, access points, and wireless clients. Background technique [0002] Such as figure 1 As shown, in the wireless local area network, all communication must pass through the AP (Access Point, access point), and the AP is responsible for sending Beacon frames (beacon frames) to announce the existence of a certain wireless network. It is the basic service area (Basic Service Set). [0003] Beacon is a broadcast wireless management frame, which is periodically sent by the AP to the wireless client Station. Each Beacon frame carries information about a wireless service released by the AP. After receiving the Beacon frame, the wireless client parses out the information in the Beacon frame. The carried wireless service information is sent to the operating system, and the user selects the wireless service ...

AI Technical Summary

Problems solved by technology

[0005] Therefore, when an AP wants to publish multiple wireless services, it needs to send more frames, and the sending time interval between frames is correspondingly reduced, the sending pressure increases, and mutual interference will occur; AP devices need to constantly compete for channel sending Beacon frames take up a long channel time and affect the local sending of other messages; at the same time, in order to ensure that all wireless services are searched, the wireless client needs a long time to monitor the channel and analyze multiple Beacon frames when scanning for wireless services. frames, making it inefficient for wireless clients to parse Beacon frames to obtain wireless service information

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