Wireless local area network access point capable of intelligent antenna scanning covering and access

Abstract

The invention discloses a wireless local area network access point capable of intelligent antenna scanning covering and access. Beam scanning is conducted through four array element antenna arrays and the narrow beam forming technology of an intelligent antenna, a beacon is sent on scanning beams by the access point, after a certain period passes by, response to the beacon by a user site is received or a detecting request of the user site is received, the access point can determine the number and the orientation of surrounding sites, and namely, all-around or sector coverage is provided. When the user request is found, access is provided for a user through narrow beams pointing to the user site. Due to the fact that the narrow beams are scanned in time, the covering angle is much smaller than that of the 360-degree all-around covering and due to the Mohaupt effect of the narrow beams, the transmitting power of the access point is reduced and the jamming intensity and the jamming probability which are acted on other wireless devices in the same frequency band by the wireless local area network are effectively reduced; due to the fact that the user accessing beams are narrowed, the jamming probability in receiving of the access point by the other wireless devices in the same frequency band is reduced when the user sends the request.

Description

technical field [0001] The present invention relates to a wireless communication system, in particular to a wireless local area network (WLAN, Wireless Local Area Network) access point using smart antenna narrow beamforming technology, which reduces interference to wireless devices in the same frequency band and reduces the impact of wireless devices in the same frequency band on the wireless local area network system. Internal user site interference. Background technique [0002] WLAN systems typically have an access point that broadcasts or relays wireless signals. These signals are then received by mobile stations, user stations, customer stations, etc. (collectively referred to herein as stations), enabling communications to proceed. For example, the station can be a laptop equipped with a wireless local area network (WLAN) card (referred to herein as a wireless laptop), a mobile phone. [0003] WLAN systems typically provide two-way communication, whereby the access p...

AI Technical Summary

Problems solved by technology

[0007] The smart antenna technology used in WLAN systems generally only uses beam switching technology. This technology is implemented in radio frequency and cannot track the movement of users. Moreover, it cannot guarantee that the desired signal will not be protected from interference when the direction of arrival of the wave is close to the direction of expected reception. interference

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