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EPON planning method for multiple objectives

A multi-objective and planning technology, applied in the field of multi-objective EPON planning, can solve the problems of single planning object, waste of network resources, lack of algorithm limitation, etc., and achieve the effect of efficient construction and economical cost saving

Active Publication Date: 2017-10-13
STATE GRID LIAONING ELECTRIC POWER RES INST +4
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  • Application Information

AI Technical Summary

Problems solved by technology

It is used to solve the problem of waste of network resources caused by wireless network network planning
However, this method needs to calculate a lot of data, and the decision-making method of a specific case needs to be analyzed in detail, lacks algorithm restrictions, and the planning goal is relatively single

Method used

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Embodiment 1

[0054] A multi-objective EPON planning method, the first: to establish a model, at first establish a corresponding mathematical model according to the indicators in the planning process, including two objective function models of construction cost and network average time delay, network reliability, and connection The second is the planning process based on the genetic algorithm, (1): at first a kind of OLT planning scheme is given, and the scheme enters into the algorithm through coding;

[0055] (2): Calculate the network reliability index value and access capacity of the scheme. If the scheme meets the preset constraints, the scheme is passed, and the weighted sum of the construction cost and network delay of the scheme is obtained, and enters the first step. Four steps; if the scheme does not meet the constraints, enter the third step;

[0056] (3): The scheme that does not meet the constraints generates a new scheme through inheritance and variation, and continues to repe...

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Abstract

The invention discloses an EPON planning method for multiple objectives. A cost model, a reliability model and an average delay model are constructed, and an optimization model is solved, in order to optimize the network cost and reliability. The simulation results show that the method can be used to solve the multi-objective OLT planning problem and has high adaptability.

Description

technical field [0001] The invention relates to an EPON planning method, in particular to a multi-objective EPON planning method. Background technique [0002] As an important optical fiber access technology in the power distribution communication network, the planning and optimization of EPON has become the focus of research. The OLT in EPON is responsible for the information exchange between the power distribution side and the upper layer data network, and its quantity and location have an important impact on network reliability and economy. Therefore, reasonable planning and deployment of OLT is the key to building an economical and reliable EPON. [0003] The patent No. CN102307357A "A Network Planning Method and System" discloses a network planning method and system, which is characterized by preprocessing the drive test data information of the existing network to obtain the network planning required Network parameter information. According to the feasible solution, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04Q11/00
CPCH04L41/145H04Q11/0067Y04S10/50
Inventor 欧清海李温静孟凡博赵宏昊刘柱廖逍冯笑叶跃骈
Owner STATE GRID LIAONING ELECTRIC POWER RES INST