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Power communication hierarchical routing path determining method

A power communication and path determination technology, applied in the field of communication, can solve problems such as ignoring diverse service quality requirements, packet loss rate, and less consideration of joint optimization of transmission overhead

Active Publication Date: 2016-04-06
STATE GRID CORP OF CHINA +3
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Diversified quality of service requirements are ignored in the existing technology, that is, the joint optimization of packet loss rate, transmission overhead and delay is less considered

Method used

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  • Power communication hierarchical routing path determining method

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Embodiment Construction

[0036] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0037] A method for determining the hierarchical routing path of electric power communication, such as figure 1 shown, including the following steps:

[0038] Step 1: Divide the low-orbit and high-orbit satellites in the topology of the electric power communication network into clusters, take all the high-orbit satellites as a satellite cluster, and use the low-orbit satellites within the coverage of each high-orbit satellite as a satellite cluster.

[0039] The schematic diagram of the power communication network topology is as follows: figure 2 As shown, the four high-orbit satellite nodes are a satellite cluster, and the nine low-orbit satellites within the coverage of the four high-orbit satellites are respectively a satellite cluster.

[0040] Step 2: Obtain the information of each inter-satellite link in the power communication ne...

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Abstract

The invention relates to a power communication hierarchical routing path determining method comprising the following steps: clustering low- and high-orbit satellites in a power communication network topology; when the source satellite node and the destination satellite node of a packet are in the same cluster, determining a final packet forwarding path from the source satellite node generating the packet to the destination satellite node receiving the packet for the intra-cluster packet based on an ant colony algorithm; and when the source satellite node and the destination satellite node of a packet are not in the same cluster, taking a path for transmitting the packet from the source satellite node to a high-orbit satellite, a packet forwarding path for an inter-cluster packet in the high-orbit satellite to reach a relay destination satellite node from a relay source satellite node and a path for transmitting the high-orbit satellite to the destination satellite node as the final packet forwarding path from the source satellite node generating the packet to the destination satellite node receiving the packet for the inter-cluster packet. The method can be used to jointly optimize the communication performance of the system, and is advantageous in communication.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a method for determining a hierarchical routing path of electric power communication. Background technique [0002] The coverage of low-orbit satellites is narrow, and users with long distances need to communicate with each other through multi-hop relays, resulting in excessive overhead and delay. For this reason, the low-high orbit satellite network with the help of high-orbit satellites with wider communication coverage came into being. The network is divided into multiple logical domains (clusters) according to the coverage area of ​​the high-orbit satellites. Each cluster contains multiple low-orbit satellites, and one high-orbit satellite covering this cluster is responsible for the inter-cluster communication of the nodes in the cluster. Since the number of communication hops of the inter-cluster communication with the help of high-orbit satellites is gre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/721H04B7/185
CPCH04B7/18584H04L45/14
Inventor 王玲孟凡博赵宏昊宋曼瑞盛振苏金友张宁曹莹
Owner STATE GRID CORP OF CHINA
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