Energy consumption adjusting method and system of multichannel wireless network
A wireless network and multi-channel technology, which is applied in the field of wireless network access control, can solve the problems of high energy consumption of wireless network systems, conflicts between adjacent terminals, and low signal transmission rates, so as to reduce wireless energy consumption, resolve conflicts, Effects of high data transfer rates
Active Publication Date: 2016-05-25
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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Problems solved by technology
[0005] Generally, in order to increase the capacity of the wireless network and obtain better signal coverage, APs are deployed at a general density, but this will make the signal transmission rate at the edge of the AP coverage lower.
Relatively, the way of deploying APs in a high density and simply pursuing signal coverage will cause a large energy consumption of the entire wireless network system, and will cause conflicts between more adjacent terminals on the same channel
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[0023] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0024] In order to ensure that the terminals accessing the wireless network have a high data transmission rate at any position, the present invention adopts the method of densely deploying APs in space, so that the APs of each channel layer can cover all service areas of the wireless network, so that Associate the user terminals connected to the wireless network. And in order to overcome the problem of high energy consumption in system operation caused by high-density deployment of APs, the present invention dynamically adjusts the association relationship between APs and terminals and adjusts the wireless transmission power of each AP.
[0025] For the above purpose, first, the controller is required to periodically obtain wireless information such as channel layer information of each channel layer in the entire service area, MAC address of ...
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The invention provides an energy consumption adjusting method of a multichannel wireless network which densely deploys APs (Access Point) through space. The method comprises following steps of periodically obtaining the association relations and average signal strength of each terminal at the AP locations of different service areas of each channel layer; adjusting the terminals associated among different channel layers according to the number of the terminals associated with the APs of different channel layers; adjusting the terminals associated among the different areas of the channel layer according to the number of the terminals in the same channel layer associated with the APs of different areas; and independently adjusting the wireless transmitting power of each AP.
Description
technical field [0001] The invention relates to wireless communication, in particular to a method for access control of a wireless network. Background technique [0002] In order to solve the problems of co-channel interference, limited access scale and performance in the network deployment of traditional wireless networks, the wireless architecture of virtual cells can usually be adopted. For an enterprise-level wireless network, the wireless architecture of virtual cells can usually be further divided by using multi-layer channels. [0003] In the wireless network combining the virtual cellular network and the multi-channel layer, it includes: at least one controller and multiple access points (AccessPoint, AP). The controller can access the wireless network in any manner, and each AP can use the same service set identifier (ServiceSetIdentifier, SSID). The APs are divided into multiple groups, and the APs in each group use channel layers that do not interfere with each ...
Claims
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Login to View More IPC IPC(8): H04W16/18H04W24/08H04W52/02H04W52/24H04W52/26
CPCH04W16/18H04W24/08H04W52/0206H04W52/245H04W52/26Y02D30/70
Inventor 何剑张骏张广兴谢高岗
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI