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Indoor positioning method based on rfid tag anti-shake

An RFID tag and indoor positioning technology, which is applied in the direction of collaborative operation devices, record carriers used by machines, instruments, etc., can solve the problems of positioning result jitter, positioning errors, etc., and achieve reduced jitter, high real-time performance, and stable positioning results and reliable results

Inactive Publication Date: 2017-03-01
SUZHOU INST FOR ADVANCED STUDY USTC
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Problems solved by technology

[0004] The purpose of the present invention is to provide an indoor positioning method based on RFID tag anti-shake, which solves the problems of positioning result jitter or positioning error in the RFID-based indoor positioning technology in the prior art

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  • Indoor positioning method based on rfid tag anti-shake
  • Indoor positioning method based on rfid tag anti-shake
  • Indoor positioning method based on rfid tag anti-shake

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Embodiment Construction

[0032] The above solution will be further described below in conjunction with specific embodiments. It should be understood that these examples are used to illustrate the present invention and not to limit the scope of the present invention. The implementation conditions used in the examples can be further adjusted according to the conditions of specific manufacturers, and the implementation conditions not indicated are usually the conditions in routine experiments.

[0033] Embodiment RFID-based indoor positioning anti-shake example and simulation effect

[0034] In the indoor positioning system based on RFID anti-shake, in addition to the positioning module, its anti-shake function is divided into three modules: a shake detection module, a shake elimination module and a window restoration module (state restoration module). Among them, the jitter detection module is responsible for real-time detection of whether there is jitter in the positioning result. When the jitter is d...

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Abstract

The invention discloses an anti-jitter method for RFID indoor positioning. Whether a jitter removing strategy needs to be executed is determined by means of detecting whether a positioning result jitters in real time; the length of the period of validity of a dynamic regulation signal is regulated according to the jitter conditions; when no jitter is detected, a system state will be recovered in time to guarantee the real-time performance. The anti-jitter method reduces the jitter in RFID indoor positioning and provides more stable and reliable positioning result output.

Description

technical field [0001] The invention belongs to the technical field of indoor positioning, and in particular relates to an indoor positioning method based on RFID tag anti-shake. Background technique [0002] Indoor positioning refers to the realization of position positioning in the indoor environment. It mainly adopts wireless communication, base station positioning, inertial navigation positioning and other technologies to form an indoor position positioning system, so as to realize the position monitoring of people and objects in the indoor space. Indoor positioning technology is mainly divided into two service providers, base station positioning and inertial navigation positioning. Base station positioning service providers mainly include: Google, Nokia, TI, Apple, AutoNavi, Baidu, etc. that use WIFI positioning; inertial navigation positioning service providers mainly include: NAVISEER in the United States, Longcheer Ruipu Technology, and Shanghai Fire Research Institu...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W64/00G06K19/07G06K17/00
Inventor 徐宏力黄刘生孙泽浩司成可
Owner SUZHOU INST FOR ADVANCED STUDY USTC
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