Method for balancing load between access points, system, access point and mobile terminal

Abstract

The invention provides a method for achieving the load symmetry between the accessing point (AP), a system, AP and moving terminal (STA), which is applied to the radio network. The radio network comprises at least two load symmetry server sets (LSS) composed by the AP. The method comprises: while the AP receives the LSS message sent by the STA, processing the selection in the AP which the STA can be accessed according to the load situation of each AP in the LSS noticing the STA to access the selected AP; so that the invention can enhance the load symmetry effect among the AP.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a method, a system, an AP and a mobile terminal (STA) for realizing load balancing among access points (APs). Background technique [0002] The service provided by each AP in a wireless local area network (WLAN) for users can usually be identified by a service set identifier (ESSID), and multiple APs can use a common ESSID, such as figure 1 As shown, the network using the same ESSID is an extended service set (ESS); each AP in the same ESS is distinguished by a basic service set identifier (BSSID), one BSSID corresponds to one AP, and the network using the same BSSID is a basic service set (BSS). [0003] In the prior art, the process of each STA accessing an AP mainly includes: the STA first scans the AP, and the AP scanned by the STA is the AP that the STA can currently access; the STA selects one of the APs according to the preset scanning strategy , and...

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Problems solved by technology

[0004] In the above method in the prior art, the choice of AP access lies with the STA, that is, the STA actively selects the AP to access. Usually, the preset load balancing strategy usually selects the one with the highest signal strength or selects any one, which is difficult to implement. Select access according to the load status of the AP; even if the AP can allow or deny the access of the STA according to its own load status, since the load balancing policy on the STA side is preset, this will cause the STA to continue to use the load balancing policy according to the load balancing policy. Try to access the AP, but the AP continues to reject the STA's access

Therefore, the load balancing effect of this method in the prior art is poor

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