Method and system for ascertaining relative position of network node

A technology of network nodes and relative positions, applied in positioning, transmission systems, digital transmission systems, etc., to achieve the effect of reducing the burden on hardware and reducing the difficulty of networking

Inactive Publication Date: 2008-07-02
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] The problem to be solved by the present invention is to provide a method and system for determining the relative position of network nodes, s

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  • Method and system for ascertaining relative position of network node
  • Method and system for ascertaining relative position of network node
  • Method and system for ascertaining relative position of network node

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Embodiment Construction

[0029] An embodiment of a method for determining the relative position of a network node according to the present invention, such as figure 1 As shown, it includes the following steps:

[0030] Step S101: The network node obtains the relative distance between itself and other network nodes.

[0031] First, the network node receives signals sent to it by other network nodes, and the signals include information about the received power of other network nodes; then, the relative distance between network nodes is obtained according to the received power. Wherein, obtaining the relative distance between the network nodes according to the received power specifically includes: presetting the corresponding relationship between the received power and the relative distance between the network nodes; and determining the relative distance between the network nodes according to the received power and the corresponding relationship. Or, obtain the path loss of signal transmission between netwo...

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Abstract

The invention discloses a method for identifying a relative position of network nodes. The method comprises the steps as follows: network nodes obtain a relative distance between the network nodes and other network nodes; the information concerning relative distance between the network nodes is interacted; the relative position between the network nodes can be identified based on the relative distance between the network nodes. The invention discloses a system for identifying the relative position of the network nodes. By measuring the relative distance between the network nodes, the relative position between network nodes can be identified. The technique of the invention requires no extra hardware and reference information about node positions, thus reducing network hardware burden and networking difficulty.

Description

Technical field [0001] The present invention relates to the positioning technology of nodes in a network, and in particular to a method and system for determining the relative positions of network nodes. Background technique [0002] MANET (Mobile Ad Hoc Networks, Mobile Ad Hoc Networks) is a wireless multi-hop network without a base station. It has a highly dynamic topology, free movement of nodes, point-to-point self-creation, self-organization, and self-management functions. The fundamental difference between mobile ad hoc network and traditional cellular technology is that communication between mobile nodes is carried out without the support of fixed infrastructure, such as base stations or routers. The system supports dynamic configuration and dynamic flow control, and all network protocols are distributed. Since the organization and control of this type of network does not depend on some important nodes, it allows nodes to fail, leave the network, or join the network. That ...

Claims

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Application Information

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IPC IPC(8): H04Q7/38H04L12/56H04L29/06G01S5/02H04W64/00
Inventor 陈兵
Owner HUAWEI TECH CO LTD
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