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Method and system for target positioning, and detection nodes

A technology for detecting nodes and locating nodes, applied in the field of communication, can solve problems such as low system robustness

Inactive Publication Date: 2014-07-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides a target positioning method to solve the problem that the existing CS target positioning technology completely relies on a centralized fusion center or base station, resulting in low system robustness

Method used

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  • Method and system for target positioning, and detection nodes
  • Method and system for target positioning, and detection nodes
  • Method and system for target positioning, and detection nodes

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Embodiment Construction

[0058] In the following description, specific details such as specific system structures, interfaces, and technologies are presented for illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0059] The technology described in the embodiment of the present invention can be used in various communication systems, such as current 2G, 3G communication systems and next-generation communication systems, such as Global System for Mobile Communications (GSM, Global System for Mobile communications), Code Division Multiple Access (CDMA, Code Division Multiple Access) system, Time Division Multiple Access ...

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Abstract

The invention is suitable for the field of communication and provides a method and system for target positioning, and detection nodes. The method is applied to a network framework which includes a plurality of detection nodes and a to-be-positioned node. The method includes: the detection nodes establish a neighbor relation with other detection nodes in an area range which the detection nodes are; the detection nodes obtain measurement data shared by neighbor detection nodes; the detection nodes perform decorrelation processing on the obtained measurement data and measurement data detected by the detection nodes and a processing result is obtained; the detection nodes perform reconstructed iteration update and average consistency data fusion on a target position vector of the to-be-positioned node according to the processing result and when the iteration update result satisfies a preset iteration ending condition, the result is used as a final positioning result of the to-be-positioned node. Through the method and system for target positioning and the detection nodes, positioning of a target under a non-centralized scene can be realized and a problem that the prior art depends completely on a centralized fusion center or base station so that the system is low in robustness is solved.

Description

technical field [0001] The invention belongs to the field of communication technology, and in particular relates to a target positioning method, system and detection node Background technique [0002] Compressive Sensing (CS) technology, also known as compressed sampling technology, applies this technology to target positioning scenarios to take advantage of the natural sparsity of the target to be located in the grid space (that is, the target to be located is only in several grids). appear on the point), and achieve efficient and accurate positioning of multiple targets in the observation area through the measurement data of fewer detection nodes. [0003] However, the existing CS target positioning technology is based on a centralized scenario, that is, each local detection node reports the measurement data at its location to a centralized fusion center or base station in the scene, and then the centralized fusion center or base station according to The collected measure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W64/00
Inventor 王悦
Owner HUAWEI TECH CO LTD
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