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A Method for Expansion of Optical Network

A technology of passive optical network and optical network unit, applied in the field of expansion of optical network

Active Publication Date: 2016-12-07
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the bigger problem in today's access network deployment is to expand the existing network, rather than completely build a new network. The location of the expansion time splitter should consider the existing access network network

Method used

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  • A Method for Expansion of Optical Network
  • A Method for Expansion of Optical Network
  • A Method for Expansion of Optical Network

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Embodiment Construction

[0051] Preconditions of the present invention: one, known pipeline laying conditions and node distribution positions; two, the required expanded optical network unit positions have been determined by population density (or traffic density), and newly added optical fiber access points The optional location is known.

[0052]In order to make the purpose, technical solution and advantages of the present invention clearer, the mode of the present invention will be further described in detail below in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0053] attached figure 1 It is a rough flowchart of the present invention. The optical network expansion method proposed by the present invention mainly includes obtaining the location of newly-added expansion base stations accord...

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Abstract

An example of the present invention provides a passive optical network expansion method, the method mainly includes: according to the traffic density (or population density) to obtain the new expansion base station position O; calculate the new base station based on the existing optical fiber access point The optimal deployment method (the corresponding fiber access point f i ); Calculate the optimal deployment method of the new base station based on the new fiber access point (the corresponding fiber access point s i ); Comparing the minimum cost to get the best deployment method of passive optical network 4 parts.

Description

Technical field: [0001] The invention relates to the communication field, in particular to a method for expanding the capacity of an optical network. Background technique: [0002] Optical fiber access network refers to the use of optical fiber as the main transmission medium to realize the information transmission function of the access network. It is connected to a service node through an optical line terminal (Optical Line Terminal, OLT), and is connected to a user through an optical network unit (Optical Network Unit, ONU). The optical fiber access network includes remote equipment - optical network unit and central office equipment - optical line terminal, which are connected through transmission equipment. The main components of the system are OLT and remote ONU. [0003] The role of the OLT is to provide an interface between the access network and the local exchange, and communicate with the optical network unit at the user end through optical transmission. It comp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q11/00
Inventor 李慧苏阳纪越峰
Owner BEIJING UNIV OF POSTS & TELECOMM