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Method for realizing group-turn accessing in wireless LAN

A technology of wireless local area network and implementation method, applied in the direction of data exchange through path configuration, etc., can solve problems such as waste of wireless resources, increase of STA collision probability, and inefficiency, so as to ensure service quality, save wireless resources, and solve service problems. The effect of quality problems

Active Publication Date: 2005-02-16
ZTE CORP
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Problems solved by technology

[0004] The main problems in this way are: first, with the increase of the number of station STAs, at the same time, due to the inherent defect of interception (the station STA cannot completely detect the signals of other station STAs, especially when the distribution of stations is relatively scattered Bottom), the collision probability of STA transmission signals increases sharply, which has a great waste of wireless resources
Second, since all station STAs have the same probability of obtaining resources, the probability of users occupying resources is also the same, and the needs of station STAs that require a certain quality of service cannot be guaranteed.
ANSI / IEEE802.11 made some improvements to the polling mechanism, but fundamentally did not solve the problem of efficiency

Method used

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  • Method for realizing group-turn accessing in wireless LAN
  • Method for realizing group-turn accessing in wireless LAN
  • Method for realizing group-turn accessing in wireless LAN

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Embodiment Construction

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0027] figure 1 It is a schematic diagram of the grouping of the group wheels described in the present invention.

[0028] 101 is the network covered by the access point AP adopting the group wheel technology, indicating that all STAs in this range access the data network through the access point AP network.

[0029] 102-104 are station STA groups divided by the network covered by the access point AP. The number of STA groups can be determined according to the user and the situation of the wireless local area network, and the grouping is manually reflected in the configuration information of the wireless local area network. In an access point AP network of station STAs that all support the group round technology, if each station STA is regarded as a group, it is a common polling mode. As shown in 104 in the figure, there is only one station ...

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Abstract

All sites covered by STA are clustered through cluster polling mode so as to prevent collision from occurring frequently and to save wireless resources and serious frame loss when there are lots of quantity of STA sites covered by access point AP and CSMA / CD mode is applied. Using flexible spacing time in cluster polling mode and flexible clustering strategy guarantees service quality of STA sites. The invention solves issue of service quality in public channel in WLAN.

Description

technical field [0001] The invention relates to a wireless local area network system in the communication field, in particular to a method for accessing a wireless local area network. Background technique [0002] In broadcast channels (ie, shared channels, multiplexed channels), multiple terminal devices compete for a common channel, which is commonly called a competitive network. There are currently many algorithms and standards for channel allocation in communication systems. For example, ALOHA (a system created based on terrestrial wireless broadcast communication and suitable for multi-user competition for single-channel usage rights without coordination), CSMA / CD (Carrier Sense Multiple Access with Collision Detection, carrier sense multiple access / collision Detection), WDM, MACA (Multiple Access Collision Aviodance, Multiple Access Collision Prevention), etc. [0003] Competitive networks can be divided into two types: wired and wireless, and WLAN (Wireless Local Are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28
Inventor 孙公航王云峰孙耀辉
Owner ZTE CORP
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