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Image data wireless transmission optimization method of extra-high voltage converter station

A technology for image data and wireless transmission, applied in wireless communication, network traffic/resource management, electrical components, etc., can solve problems such as not fully meeting requirements, limited spectrum resources, etc., to solve dynamic data transmission problems, reduce adverse consequences, Improving the effect of real-time performance

Active Publication Date: 2021-12-07
STATE GRID ANHUI ELECTRIC POWER
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, spectrum resources are limited after all
In the foreseeable situation, the efficiency of spectrum utilization can be increased by three to four times, but for the increase of people's demand for bandwidth by dozens or hundreds of times, this improvement obviously cannot fully meet the requirements

Method used

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  • Image data wireless transmission optimization method of extra-high voltage converter station
  • Image data wireless transmission optimization method of extra-high voltage converter station
  • Image data wireless transmission optimization method of extra-high voltage converter station

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Embodiment Construction

[0039] In this embodiment, a method for optimizing wireless transmission of image data of UHV converter stations, see figure 2 , including the following steps:

[0040] Step 1. Establish a dynamic data transmission model for wireless communication, such as figure 1 As shown, set the maximum allowable transmission time of image data transmission to D max , the priority user arrival rate on the i-th channel is L i ; Utilize formula (1)-formula (3) to construct the dynamic data transmission model of described wireless communication:

[0041] G=(n,i) (1)

[0042]

[0043]

[0044] In formula (1), n ​​represents the number of data packets transmitted in the wireless communication network, i represents the serial number of the channel, and G represents the transmission of n image data packets on the i channel;

[0045] In formula (2), Indicates the time required to transmit a data packet on the i-th channel, R i is the i-th channel bandwidth, L represents the length of...

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Abstract

The invention discloses an image data wireless transmission optimization method of an extra-high voltage converter station. The method comprises the following steps: 1, establishing a wireless communication dynamic data transmission model; 2, establishing an optimization objective function with the minimum transmission delay; 3, solving the optimization objective function, and obtaining the optimal data packet length and communication protocol spectrum sensing times; and 4, configuring wireless communication parameters to transmit data by using the optimal data packet length and communication protocol spectrum sensing times, namely, minimizing data transmission delay, and completing data transmission within the maximum allowable transmission time. By optimizing the size of the data packet and the frequency of spectrum sensing of the communication protocol, the transmission delay is reduced, and the problem of dynamic data transmission with time constraint is solved.

Description

technical field [0001] The invention relates to a method for optimizing wireless transmission of image data of an UHV converter station, belonging to the field of wireless communication. Background technique [0002] In recent years, the rapid development of wireless communication networks has brought great convenience to people's lives, and people's demand for network communication technology has also increased exponentially. People classify transmitted data into important data and non-important dynamic data. On the one hand, people continue to develop new wireless communication technologies and use new frequency bands to provide various services; on the other hand, various improved modulation and coding technologies also improve the utilization efficiency of existing spectrum. However, spectrum resources are limited after all. In the foreseeable situation, the efficiency of spectrum utilization can be increased by three to four times, but this improvement obviously cannot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02H04W28/06
CPCH04W24/02H04W28/06Y02D30/70
Inventor 谢民汪伟章昊王同文邵庆祝于洋俞斌张骏叶远波
Owner STATE GRID ANHUI ELECTRIC POWER
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