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A wireless local area network packet access method and device

A wireless local area network and access method technology, applied in the field of wireless local area network packet access, can solve the problem of high collision probability of STAs, achieve the effect of suppressing interference and reducing the probability of collision

Active Publication Date: 2019-06-14
CHINA ACADEMY OF INFORMATION & COMM
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Problems solved by technology

[0005] In view of this, the present application provides a wireless local area network packet access method and device to solve the problem of high collision probability of STAs in the access process in WLAN

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  • A wireless local area network packet access method and device
  • A wireless local area network packet access method and device
  • A wireless local area network packet access method and device

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Embodiment Construction

[0017] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0018] In the embodiment of this application, a wireless local area network grouping access method is proposed, using a time-division method, the access point (AP) performs initial grouping for each STA, and updates each STA according to the number of detected hidden STAs reported by each STA. STA groups, so that there are no hidden STAs in each STA group, thereby reducing the collision probability of WLAN stations in the access process and effectively suppressing interference between STAs.

[0019] The AP divides STA groups for each STA that accesses, and carries the access time window allocated for each STA group in the sent beacon frame, so that any STA can access the channel within the time window allocated for the STA group t...

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Abstract

The invention provides a wireless local area network (WLAN) packet access method. The method comprises steps: when an AP receives intercepted hidden STAs reported by any STA at the current beacon frame interval, the times for each reported STA are recorded; after all STAs finish channel access and the beacon frame is transmitted next time, a former preset number of hidden STAs with the maximum recorded times are deleted from an STA group to which the STAs belong; when the beacon frame is transmitted next time, an access time window allocated for each current STA group is carried in the beacon frame, and thus, each STA is accessed to the channel in the time window allocated for the STA group to which the STA belongs and the hidden STAs are intercepted in the STA group. Based on the same concept, the invention also provides a wireless local area network packet access device. According to the method and the device of the invention, the collision probability of the STAs in the WLAN in the access process can be reduced, and interference between the STAs is effectively restrained.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a wireless local area network packet access method and device. Background technique [0002] Wireless local area network (WLAN) is the most widely used broadband wireless access technology in the world today. Its functional modules are widely embedded in various electronic communication products such as notebooks, smart phones, tablet computers, and network equipment, providing people with convenient broadband wireless access. Data services also create huge business value. Especially with the rapid development of Internet of Things services such as smart grid, smart medical care, environmental monitoring, security monitoring, and new Internet services that enhance communication between people in a local area, WLAN is widely used in the field of Internet of Things. WLAN puts forward a number of new technical requirements: support for more users, larger coverage, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08
Inventor 杨萌罗振东
Owner CHINA ACADEMY OF INFORMATION & COMM
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