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Method and device for acquiring network topology

A network topology and acquisition method technology, which is applied in the field of network topology acquisition methods and devices, can solve the problems of not considering the view-through situation of links, and the network topology can not meet the view-through requirements.

Inactive Publication Date: 2011-07-20
BEIJING ZHONGCHUANGWEI QUANTUM COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this automatic topology planning scheme does not consider the visibility of links, and the obtained network topology cannot meet the requirements of visibility

Method used

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  • Method and device for acquiring network topology
  • Method and device for acquiring network topology
  • Method and device for acquiring network topology

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Embodiment Construction

[0024] The technical solutions of the embodiments of the present invention will be described in further detail below with reference to the drawings and embodiments.

[0025] figure 1 It is a flow chart of the network topology acquisition method provided by Embodiment 1 of the present invention. Such as figure 1 As shown, the technical solution of the embodiment of the present invention specifically includes the following steps:

[0026] Step 101, obtain the map information including the location information of all nodes, the number of all nodes is N, for every two nodes in all nodes, calculate N*(N-1) / 2 logical links, N is Natural number.

[0027] Wherein, the map information includes latitude and longitude information and height information of all nodes and other geographic points. All node location information includes root node location information and leaf node location information; node location information can be specifically expressed as node latitude and longitude ...

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Abstract

The embodiment of the invention relates to a method and device for acquiring a network topology. The method comprises the following steps of: acquiring map information comprising the position information of all nodes and computing N*(N-1) / 2 logic links for any two of all nodes, wherein the number of all the nodes is N, and N is a natural number; acquiring information on the elevation between nodes at two ends of each logic link and computing corresponding first Fresnel region information according to the elevation information of each logic link; when the first Fresnel region information determines that a corresponding logic link meets a visibility requirement, using the logic link as a standby link in a microwave network; and acquiring the network topology satisfying a constraint condition according to at least one determined standby link. In the embodiment of the invention, a logic link meeting the visibility requirement is taken as a standby link of the network topology. Through visibility processing, the acquired network topology can meet the visibility requirement.

Description

technical field [0001] Embodiments of the present invention relate to the field of microwave communication technologies, and in particular, to a method and device for acquiring network topology. Background technique [0002] It has been more than half a century since the microwave communication technology came out. Initially, the microwave communication system was an analog system. In the late 1980s, with the popularization and application of Synchronous Digital Hierarchy (SDH) in the transmission system, digital microwave communication gained developed rapidly. At present, digital microwave communication has become the three main means of communication transmission together with optical fiber communication and satellite communication. Microwave channel in microwave communication technology is a kind of wireless channel, and its transmission characteristics are more complicated than that of wired channel. At present, some commercial tools can provide microwave link analysis...

Claims

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Application Information

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IPC IPC(8): H04J3/08
Inventor 吴传军隋志成李启铭
Owner BEIJING ZHONGCHUANGWEI QUANTUM COMM TECH CO LTD
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