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Method for relay-assisted URLLC service resource configuration in smart grid system

A smart grid and service resource technology, applied in the direction of network traffic/resource management, energy consumption reduction, electrical components, etc., can solve the problems of large channels, increasing the difficulty of URLLC service quality requirements, fading, etc., to meet service quality requirements , Satisfy the effect of ultra-low latency and high reliability, and improve user rate performance

Pending Publication Date: 2022-05-27
SOUTHEAST UNIV +1
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Problems solved by technology

[0004] During the transmission of mission-critical information in the smart grid, there are often obstacles between the transmitting end and the receiving end, such as buildings and trees between the source base station and power users, resulting in large channel fading, thus increasing the URLLC implementation. The difficulty of service quality requirements

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  • Method for relay-assisted URLLC service resource configuration in smart grid system
  • Method for relay-assisted URLLC service resource configuration in smart grid system
  • Method for relay-assisted URLLC service resource configuration in smart grid system

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Embodiment 1

[0084] see figure 1 and figure 2 In this embodiment, a method for relay-assisted URLLC service resource configuration in a smart grid system is provided, which specifically includes the following steps:

[0085] Step S1, build the relay-assisted URLLC service system model about the electricity users in the smart grid, the source base station and the relay base station;

[0086] Specifically, this step S1 includes:

[0087] The source base station forwards the power control signal to the relay base station, and the relay base station forwards the received signal from the source base station to the power users who have high reliability and low latency requirements. The signal model is expressed as:

[0088] If the source base station, the relay base station and M=8 users are all single antennas, the received signal y of the relay base station 0 for:

[0089] y 0 =h 0 p 0 x 0 +z 0 (1)

[0090] In formula (1), x 0 represents the transmitted signal from the source base...

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Abstract

The invention discloses a method for configuring relay-assisted URLLC service resources in an intelligent power grid system, which comprises the following steps of: establishing a relay-assisted URLLC service system model of a source base station and a relay base station for users in an intelligent power grid; aiming at time delay and error probability requirements, the source base station and the relay base station respectively calculate respective pre-power and bandwidth allocation vectors; obtaining an optimal power and bandwidth allocation vector by taking the minimum rate of the user as an optimization target according to the current power and bandwidth allocation vector; judging whether an iteration completion condition is met or not; and if so, obtaining the optimal power and bandwidth allocation vector. According to the invention, the rate performance of the user is improved by utilizing the advantage that the relay base station bypasses the obstacle to establish the communication link.

Description

technical field [0001] The present invention relates to the technical field of wireless communication resource allocation, in particular to a method for relay-assisted URLLC service resource allocation in a smart grid system. Background technique [0002] In order to reliably connect renewable energy and distributed energy to the grid, the development of smart grid has formed a consensus around the world. As an important application of the Internet of Things, the goal of smart grid is to build a fully automated power transmission network that can monitor and control each user and grid node, and ensure information between all nodes in the entire transmission and distribution process from power plants to end users. and bidirectional flow of electricity. As an important infrastructure supporting the development of smart grid, the power communication network ensures the security, real-time, accuracy and reliability requirements of various power services. Both intelligent distr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/22H04W24/02H04W28/18H04W28/20H04W28/22
CPCH04W24/02H04W28/20H04W28/18H04W16/22H04W28/22Y02D30/70
Inventor 张华黄红兵任晏清王俊波章毅邱兰馨杨鸿珍汤亿则凌芝徐阳洲史俊潇洪道鉴施敏达
Owner SOUTHEAST UNIV
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