Controllable super-speed wireless local area network channel access method based on time delay

A channel access method and wireless local area network technology, applied in wireless communications, electrical components, transmission systems, etc., can solve the problems of not considering service quality, and not considering different business priorities, etc., to ensure real-time performance and guaranteed ratio. fairness effect

Active Publication Date: 2013-04-24
上海众网数聚信息科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But the current technology is mainly aimed at improving the throughput without considering the quality of service
For example, the 40MHz transmission in 802.11n is given ...

Method used

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  • Controllable super-speed wireless local area network channel access method based on time delay
  • Controllable super-speed wireless local area network channel access method based on time delay
  • Controllable super-speed wireless local area network channel access method based on time delay

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Experimental program
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Embodiment 1

[0034] This embodiment provides a delay-controllable ultra-high-speed wireless local area network channel access method, and its main application scenario is: WLAN (Wireless Local Area Network, wireless local area network) with AP (Access Point, access point) infrastructure In the network architecture, such as figure 2 As shown, BSS (Basic Service Set, Basic Service Set) represents a basic service area. The BSS is composed of a wireless access point AP and several wireless workstations STA associated with the AP. The communication between the STAs is controlled and coordinated by the AP; the AP Or all STAs have the ability to support channel bonding and simultaneously perform multi-channel transmission. In a WLAN with AP infrastructure, the AP acts as a channel coordinator to control and execute channel access.

[0035] In the case of multiple channel binding transmissions in the ultra-high-speed wireless LAN scenario, the concept of queue blocking rate is proposed for diffe...

Embodiment 2

[0062] This embodiment provides a delay-controllable ultra-high-speed wireless local area network channel access method. The application scenarios of this method are as follows: image 3 As shown, where BSS represents a basic service set, BSS consists of a wireless access point AP and several wireless workstations STA (also known as wireless nodes) associated with it, and the communication between STAs is controlled and coordinated by the AP. The basic functions of the AP access point device are: responsible for wireless communication management, such as assigning the right to use wireless channels to wireless nodes; realizing the conversion between wireless communication and wired communication; playing a role similar to wired LAN bridges and routers.

[0063] According to the 802.11e protocol, there are 4 types of service levels, which are 2 types of background services, 1 type of video services and 1 type of voice services, and the corresponding QoS levels increase from 0 to...

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Abstract

The invention provides a controllable super-speed wireless local area network channel access method based on time delay. The controllable super-speed wireless local area network channel access method based on the time delay comprises a first step of periodically polling a single threaded apartment (STA) in a base station subsystem (BSS) through an application process (AP), a second step of reporting local current business array information to the AP through the STA and calculating array blocking rate of different priority business through the AP, a third step of respectively setting an array blocking rate threshold value to a different priority business array through the AP, regulating channel accesses and distribution of all priority business according to the array blocking rate, dynamically regulating the array blocking rate threshold values through the AP when array blocking rate of the high priority business is higher than the corresponding pre-set blocking rate threshold value, enabling the low priority business to give part of channel resources to the high priority business, and ensuring priority transmission of the high priority business, and a fourth step of informing the reconfigured channel resources to the STA through the AP and delivering data transmission through the STA according to the reconfigured channel resources. The controllable super-speed wireless local area network channel access method based on the time delay prior ensures timeliness of the high priority business, and meanwhile ensures proportional fairness of different priority business transmission.

Description

technical field [0001] The invention belongs to the technical field of wireless local area network communication, and relates to a channel access method, in particular to an ultra-high-speed wireless local area network channel access method based on controllable time delay. Background technique [0002] Wireless Local Area Network (WLAN) is the product of the combination of computer network and wireless communication technology. As a typical form of wireless IP access, wireless local area network has the advantages of mobile computing, flexible and fast architecture networking, low maintenance costs, and good scalability. will play an important role in the system. At present, IEEE802.11 has become the mainstream standard of wireless local area network. In 2009, the IEEE802.11-2007 standard was supplemented and named IEEE802.11n-2009, which stipulates the use of multi-antenna technology, channel bonding and frame aggregation technologies. Under the channel bandwidth of 40MH...

Claims

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Application Information

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IPC IPC(8): H04W72/10H04W74/06H04L47/31
Inventor 单联海徐丽娟袁芝胡宏林
Owner 上海众网数聚信息科技股份有限公司
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