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A wireless Wi-Fi dynamic rate adjustment method and system

A rate adjustment and wireless technology, applied in wireless communication, network topology, electrical components, etc., can solve problems such as complex and unreasonable data processing, and communication quality degradation, so as to improve communication quality, realize detection and control, and avoid errors. The effect of adjustment

Active Publication Date: 2019-01-04
FUJIAN LANDI COMML EQUIP CO LTD
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Problems solved by technology

Although the transmission rate is adjusted according to the signal strength of the receiving end and the packet loss rate, the sending rate is first adjusted according to the signal strength of the receiving end for each packet transmission, and then the sending rate is fine-tuned according to the packet loss rate. The signal strength of the receiving end cannot reflect Due to the influence of environmental factors such as interference signals, the data processing process is complicated and unreasonable. In addition, for occasions with a small number of data packets, fine-tuning according to the packet loss rate may lead to a decrease in communication quality

Method used

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  • A wireless Wi-Fi dynamic rate adjustment method and system
  • A wireless Wi-Fi dynamic rate adjustment method and system

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Embodiment 1

[0044] Please refer to figure 1 , Embodiment 1 of the present invention is:

[0045] A wireless Wi-Fi dynamic rate adjustment method, the method is:

[0046] Preset a transmission rate R that contains N numbers arranged in ascending order idx The rate table, wherein i=1,2,...,N, the rate table is {1, 2, 5.5, 6, 6.5, 13, 19.5, 26, 39, 52, 58.5, 65}, the unit is Mbps, Then N is 12;

[0047] The preset data packet number threshold is 20, and detects the number of data packets sent by the wireless Wi-Fi sender in the current cycle;

[0048] If the number of data packets sent in the current cycle is less than the threshold value of the number of data packets, the signal-to-noise ratio of the receiving end of the wireless Wi-Fi is collected and the transmission rate of the data packets is adjusted, specifically:

[0049] The preset maximum signal-to-noise ratio threshold is SNR max , the maximum signal-to-noise ratio threshold is SNR maxTake the signal-to-noise ratio when the ...

Embodiment 2

[0069] Please refer to figure 2 , the second embodiment of the present invention is:

[0070] A wireless Wi-Fi dynamic rate adjustment system, comprising:

[0071] The sending end is used to send data packets;

[0072] The receiving end is used to receive data packets;

[0073] A detection module, configured to detect the number of data packets sent by the sending end of the wireless Wi-Fi in the current cycle;

[0074] The collection module is used to collect the signal-to-noise ratio and packet loss rate of the receiving end of the wireless Wi-Fi;

[0075] An adjustment module, configured to adjust the transmission rate of the data packet;

[0076] Wherein, the detection module and the adjustment module are connected to the sending end, and the collection module is connected to the receiving end.

[0077] To sum up, the wireless Wi-Fi dynamic rate adjustment method and system provided by the present invention adjust the data packets according to the signal-to-noise rat...

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Abstract

The invention provides a method and system for adjusting the Wi-Fi (Wireless Fidelity) dynamic rate. The method comprises the following steps: presetting a data packet quantity threshold, and detecting the quantity of data packets transmitted by the transmitting end of Wi-Fi in a current period; if the quantity of the data packets transmitted in the current period is smaller than the data packet quantity threshold, acquiring the signal-to-noise ratio of the receiving end of the Wi-Fi, and adjusting the transmission rate of the data packets; and if the quantity of the data packets transmitted in the current period is greater than or equal to the data packet quantity threshold, acquiring the packet loss rate of the receiving g end of the Wi-Fi, and adjusting the transmission rate of the data packets. The system is characterized in that a detection module and an adjusting module are connected to the transmitting end of the Wi-Fi; and the receiving end of the Wi-Fi is connected with an acquisition module. The system is reasonable in structure; data can be processed rapidly and conveniently; and the communication quality of the Wi-Fi can be enhanced.

Description

technical field [0001] The invention relates to the technical field of wireless network transmission, in particular to a wireless Wi-Fi dynamic rate adjustment method and system. Background technique [0002] Wireless Wi-Fi is more and more widely used in the network because of its advantages such as high speed and low price. However, the communication quality of wireless Wi-Fi is greatly affected by the external environment, such as external interference signals, obstruction by obstacles, and the client is in motion. Therefore, only by adjusting the transmission rate of the wireless Wi-Fi to improve the communication quality can the transmission performance of the wireless Wi-Fi be fully utilized. [0003] In the occasions such as POS machines that only transmit messages, the number of data packets transmitted each time is relatively small. Even if only one data packet is lost, the packet loss rate will remain at a high level, resulting in a low data transmission rate. Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02H04W84/12
CPCH04W24/02H04W84/12
Inventor 张炽成许剑锋
Owner FUJIAN LANDI COMML EQUIP CO LTD
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