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Resource allocation method for uplink channel of smart power grid based on NB-IoT protocol

A technology of resource allocation and smart grid, applied in transmission modification based on link quality, adjustment of channel coding, wireless communication, etc., can solve problems such as long network access time, reduce computing time, improve spectrum utilization rate and anti-interference ability , The effect of overcoming the random burst interference problem

Active Publication Date: 2020-05-12
ELECTRIC POWER RES INST OF STATE GRID ANHUI ELECTRIC POWER +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when this system encounters sudden interference, the NB-IoT communication module can only re-initiate the connection establishment request after the access fails, resulting in too long network access time

Method used

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  • Resource allocation method for uplink channel of smart power grid based on NB-IoT protocol
  • Resource allocation method for uplink channel of smart power grid based on NB-IoT protocol
  • Resource allocation method for uplink channel of smart power grid based on NB-IoT protocol

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Embodiment Construction

[0052] In this example, if figure 1 As shown, a smart grid uplink channel resource allocation method based on NB-IoT protocol is composed of wireless sensor network nodes with N different types of sensors and a base station of wireless private network with NB-IoT protocol In the uplink network environment, different types of sensors are responsible for collecting substation voltage, current, temperature and humidity, and control data, and transmit the collected data to the NB-IoT wireless private network base station through the uplink, and then the base station will process the data The data is transmitted to the cloud monitoring device, and the resource allocation method is carried out as follows:

[0053] Step 1. In the uplink network environment, number the N sensors {1, 2,...,n,...,N}, where n represents the serial number of the nth sensor, 1≤n≤N; set the nth sensor The sampling time is T n ; In this embodiment, each sensor is numbered {1,2,3,4}, and their sampling peri...

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Abstract

The invention discloses a resource allocation method for an uplink channel of a smart power grid based on an NB-IoT protocol. The method comprises the following steps: 1, sampling data to be monitoredby different types of sensors in the smart power grid; 2, encoding the sampled data according to the sensor numbers and sampling times; 3, performing channel diversity processing on the coded data according to burst interference distribution detected in the detection link; and 4, according to the total resource size and the channel diversity frequency of the wireless system, allocating an optimaltransmission scheme to each data, and transmitting the data to an NB-IoT wireless private network base station more effectively. According to the invention, frequency spectrum resources can be betterutilized, so that the throughput rate and the anti-interference capability of a wireless transmission system are improved, and reasonable resource allocation is achieved.

Description

technical field [0001] The present invention relates to the field of NB-IoT uplink communication data transmission, specifically a resource allocation method for smart grid uplink channels based on NB-IoT protocol, which is suitable for the power grid environment with strong burst interference, so that the transmission process can achieve Maximized throughput and reasonable resource allocation. Background technique [0002] The smart grid is a new type of grid formed by highly integrating advanced sensing and measurement technology, communication technology, information technology, computer technology and control technology with the physical grid. It is a fully automated power transmission network. The smart grid can monitor and control each user and grid node, and ensure the two-way flow of information and power between all nodes in the entire power transmission and distribution process from the power plant to the end user. Its main purpose is to fully meet the needs of us...

Claims

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Application Information

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IPC IPC(8): H04W72/08H04W72/04H04L1/00
CPCH04W72/0446H04W72/0453H04L1/0003H04L1/0009H04L1/0016H04W72/541H04W72/542
Inventor 高博唐皓辰徐晓冰丁津津李奇越汪玉孙伟李远松李帷韬邓玉星操腾飞
Owner ELECTRIC POWER RES INST OF STATE GRID ANHUI ELECTRIC POWER
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