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Wireless resource allocation method for uplink channel of intelligent substation based on 5G network

A technology of intelligent substation and distribution method, applied in wireless communication, network planning, electrical components, etc., can solve the problem that the accuracy of the resource allocation optimization model cannot be guaranteed, the optimal transmission rate of the system uplink cannot be satisfied, and the front-end monitoring nodes of the substation are not refined. types and other issues, to achieve the effect of reducing computing time, low inspection robot, large bandwidth, and low latency

Active Publication Date: 2021-07-13
ELECTRIC POWER RES INST OF STATE GRID ANHUI ELECTRIC POWER +1
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  • Claims
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Problems solved by technology

However, this method does not refine the types of substation front-end monitoring nodes, ignores the difference in service quality of different monitoring nodes, cannot guarantee the accuracy of the resource allocation optimization model, and cannot meet the optimal uplink transmission rate of the system

Method used

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  • Wireless resource allocation method for uplink channel of intelligent substation based on 5G network
  • Wireless resource allocation method for uplink channel of intelligent substation based on 5G network
  • Wireless resource allocation method for uplink channel of intelligent substation based on 5G network

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Embodiment Construction

[0054] In this embodiment, as figure 1 As shown, a wireless resource allocation method for an uplink channel of a smart substation based on a 5G network is performed as follows:

[0055] Step 1. Build the upstream network environment of the smart substation;

[0056] The uplink network environment of the smart substation includes: an inspection robot set L composed of |L| inspection robots, a sensor set K composed of |K| sensors, a 5G wireless private network base station, and a metering data management System, in this embodiment, |L|=5, |K|=30; wherein, any currently active inspection robot in the inspection robot set L is denoted as 1, and any currently active sensor in the sensor set K is denoted as 1 is k; U=L∪K is defined as the set of all nodes in the uplink channel, and any node is denoted as u; it is defined that there are F channels in the uplink of the 5G network, and any channel is denoted as f. In this embodiment, 5G The network bandwidth is 20MHz, F=106; it is d...

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Abstract

The invention discloses a wireless resource allocation method for an uplink channel of an intelligent substation based on a 5G network. The wireless resource allocation method comprises the following steps: 1, constructing an uplink network environment of the intelligent substation; 2, calculating a signal-to-noise ratio and a bit rate of nodes in the transformer substation by adopting an adaptive modulation coding method; 3, establishing a maximum bit rate optimization model with a stepwise function by taking the maximum bit rate of node transmission as a target function and taking limiting factors of 5G communication as constraint conditions; 4, reconstructing the spectral efficiency by adopting a spectral efficiency approximation function, establishing an optimal bit rate linear programming model, and distributing an optimal modulation coding scheme and resource blocks for each node in the transformer substation. According to the invention, cooperative resource allocation of the sensor and the inspection robot in the transformer substation can be supported, and the transmission rate of the system is maximized under the condition that the delay requirement is met.

Description

technical field [0001] The invention relates to the field of uplink communication data transmission in smart substations, in particular to a wireless resource allocation method for uplink channels in smart substations based on 5G networks, which is suitable for an environment where massive sensors and inspection robots in substations cooperate in data transmission, and adopts adaptive Modulation and coding technology maximizes the system transmission rate while ensuring the sensor transmission delay. Background technique [0002] Intelligent substation refers to the use of advanced information communication, intelligent control, sensing and detection technologies, based on the digitization and standardization of primary equipment parameters, and the standardized information platform to realize real-time panoramic monitoring of substations, automatic operation control, and collaborative interaction with external systems. and other functions to achieve the goals of improving t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/18H04W16/22H04W72/04H04W72/08H04W72/54
CPCH04W16/18H04W16/22H04W72/53H04W72/542
Inventor 丁津津李奇越唐皓辰邓玉星徐晓冰刘志孙辉孙伟张峰李帷韬汪勋婷
Owner ELECTRIC POWER RES INST OF STATE GRID ANHUI ELECTRIC POWER
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