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Self-adapted distributed power control method

A power control and distributed technology, applied in the field of telecommunications, can solve problems affecting system performance, etc., and achieve the effect of improving network throughput, reducing complexity, and improving utilization efficiency

Inactive Publication Date: 2008-01-16
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Only when all the wireless access points and wireless client stations of the network use the improved media access control protocol, this method can be applied; secondly, the method of adjusting the transmission power is for each data packet, in the case of high data rate case, it will inevitably affect the performance of the system

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Embodiment Construction

[0033] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings: this embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following the described embodiment.

[0034] In this embodiment, the wireless access point adopts a WRT54G broadband router produced by Linksys, which supports 802.11b and 802.11g modes; the wireless client station is a general wireless terminal and follows the 802.11 standard.

[0035] This embodiment is achieved through the following technical solutions, as shown in Figure 1, this embodiment includes the following steps:

[0036] Step 1: Initialize the parameters of the wireless client station and the wireless access point.

[0037] 1) A schematic diagram of the scenario of this embodiment is shown in ...

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Abstract

The invention relates to a self-adaptive distributed power control method in the telecommunication technology field. The method comprises the steps: first, the initialization to parameters of a wireless customer station and a wireless access point; second, the selection of the wireless access point, and establishment of the connection; third, the calculation of the anticipated throughput of the wireless access point; fourth, the startup of a timer with one-week triggering cycle; fifth, the actual throughput of the wireless access point within one cycle; sixth, the comparison of the actual throughput with the anticipated throughput of the wireless access point one cycle later to confirm whether to increase or reduce the transmission powder of the wireless access point; seventh, the regulated transmission powder value of each wireless access point is written on a configuration file, facilitating the read of the next iteration; eighth, the new iteration. With the fast convergence speed, the invention enhances the network resource utilization efficiency and decreases the calculation complexity.

Description

technical field [0001] The present invention relates to a method in the technical field of telecommunications, in particular to an adaptive distributed power control method. Background technique [0002] IEEE 802.11, launched by IEEE in 1997, works in the 2.4GHz frequency band and is a popular standard for wireless local area networks. With the increase of wireless access points (AP) and the density of WLAN, limited wireless resources and their reasonable allocation and multiplexing become hot issues in WLAN research. The power control is one of the important branches. Most of the previous studies are based on cellular networks, and the uplink terminal implements power control by including the transmission power requirements in the output data. In IEEE 802.11 WLAN, data is transmitted in a single shared channel. The structural model of the wireless local area network includes the basic basic service set and the independent basic service set. The basic basic service set i...

Claims

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Application Information

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IPC IPC(8): H04B7/005H04L12/24H04B7/26
Inventor 王晓健刘超戎蒙恬
Owner SHANGHAI JIAO TONG UNIV
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