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

A technology of intelligent substation and distribution method, which is applied in wireless communication, network planning, electrical components, etc., can solve the problem that the system cannot meet the optimal uplink transmission rate, does not refine the types of front-end monitoring nodes in the substation, and cannot guarantee the accuracy of the resource allocation optimization model. To solve problems such as stability and other issues, it can achieve the effects of low inspection robot, large bandwidth, reduced computing time, and low latency.

Active Publication Date: 2022-04-26
ELECTRIC POWER RES INST OF STATE GRID ANHUI ELECTRIC POWER +1
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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 smart substation based on 5G network
  • Wireless resource allocation method for uplink channel of smart substation based on 5G network
  • Wireless resource allocation method for uplink channel of smart substation based on 5G network

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Embodiment Construction

[0054] In this example, if figure 1 As shown, a wireless resource allocation method for an uplink channel of a smart substation based on a 5G network is performed in the following steps:

[0055] Step 1. Construct the uplink 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 measurement 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 l, and any currently active sensor in the sensor collection K is denoted as is k; define U=L∪K as the set of all nodes in the uplink channel, wherein any node is denoted as u; define a total of F channels in the uplink of the 5G network, wherein any channel is denoted as f, in this embodiment, 5G The network bandwidth is 20MHz, and...

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Abstract

The invention discloses a wireless resource allocation method for an uplink channel of a smart substation based on a 5G network. The steps include: 1. Constructing an uplink network environment of a smart substation; 2. Using an adaptive modulation and coding method to calculate the signal-to-noise ratio of nodes in the substation and bit rate; 3. Taking the maximum bit rate of node transmission as the objective function and taking the limiting factors of 5G communication as constraints, a maximum bit rate optimization model with a step-by-step function is established; 4. Using the spectral efficiency approximation function to reconstruct the spectral efficiency , establish an optimal bit rate linear programming model, and allocate optimal modulation and coding schemes and resource blocks for each node in the substation. The invention can support the cooperative resource allocation of the sensor and the inspection robot in the substation, and maximize the transmission rate of the system under the requirement of time delay.

Description

technical field [0001] The invention relates to the field of uplink communication data transmission of smart substations, specifically a wireless resource allocation method for uplink channels of smart substations based on a 5G network, which is suitable for the environment of collaborative data transmission between massive sensors and inspection robots in substations, and adopts self-adaptive Modulation and coding technology maximizes the system transmission rate while ensuring the sensor transmission delay. Background technique [0002] Smart 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 a standardized information platform, to realize real-time panoramic monitoring of substations, automatic operation control, and collaborative interaction with off-station systems and other functions to achieve the goals of improvi...

Claims

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Application Information

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Patent Type & Authority Patents(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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