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Rapid dynamic power control method for reducing WLAN interference

A technology of dynamic power and control methods, applied in power management, electrical components, sustainable buildings, etc., can solve the problems of strong anti-interference ability, large equipment coverage, inability to meet mutual interference of equipment at the same time, and achieve stable high-bandwidth, The effect of reducing interference between devices

Active Publication Date: 2010-06-30
上海寰创网络科技有限公司
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AI Technical Summary

Problems solved by technology

Therefore, fixed transmission power or slow power control cannot meet the requirements of low mutual interference between devices, large device coverage, and strong anti-interference ability.

Method used

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  • Rapid dynamic power control method for reducing WLAN interference
  • Rapid dynamic power control method for reducing WLAN interference
  • Rapid dynamic power control method for reducing WLAN interference

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with specific examples.

[0020] The wlan device can control the sending power of each packet, so the device can reasonably select the sending power of the current packet according to the previous packet sending rate, sending success rate, signal strength, and current packet sending rate. In order to ensure a stable bandwidth during the communication process, that is, to meet a certain transmission rate and transmission success rate, the transmission power should be as low as possible to reduce mutual interference between devices. At the same time, when the wireless signal changes suddenly due to fast movement or occlusion, the function control can respond in time to ensure the stability of the bandwidth. When the frequency of communication with other devices is relatively low and the interval between each packet is relatively large, the device may move a relatively long distance between the two packet...

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Abstract

The invention relates to a rapid dynamic power control method for reducing WLAN interference, and the method comprises the following steps: setting a group of sending rates of V1, V2 and V3 in a wireless device in a WLAN network, wherein the size of the sending rates is as follows: V1 is more than V2 and more than V3; setting a group of sending success rates of P1, P2 and P3 in the wireless device in the WLAN network, wherein the size of the sending success rates is as follows: P1 is more than P2 and more than P3; using the sending rates and the sending success rates to divide power into fourregions of A, B, C and D, wherein the A region is the power slow reduction region, the B region is the power retention region, the C region is the power rapid increase region, and the D region is themaximum sending power region; and collecting the current data sending rate, comparing with the before sending success rate, and determining sending power. The rapid dynamic power control method has the advantages that the rapid dynamic power control method can reduce the interference of the device while retaining the stable high bandwidth, and not affect the coverage and the anti-interference performance of the device.

Description

technical field [0001] The invention relates to a method for reducing the transmission power of WLAN network equipment, reducing mutual interference between equipment, and improving the overall bandwidth of the network, in particular to a fast dynamic power control method for reducing WLAN interference. Background technique [0002] Current wlan wireless devices basically do not perform power control or perform slow static power control. The transmission power of the device in actual operation adopts the maximum power or the power of fixed configuration. The transmit power at this time is the power required by the base station device to communicate with the terminal device when the terminal device is at the coverage edge of the base station device. In reality, terminal devices communicate with the base station in the coverage area of ​​the base station equipment most of the time. In order to eliminate the blind area of ​​coverage, there will be overlapping areas of coverage...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/26H04W84/12
CPCY02B60/50
Inventor 史成文崔利明陈海波
Owner 上海寰创网络科技有限公司
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