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Method and apparatus for locating an area where an electronic device is located

An electronic equipment and regional technology, applied in positioning, measuring devices, electrical components, etc., can solve problems such as instability, poor positioning accuracy, and the RSSI value is easily affected by the environment, so as to improve positioning accuracy and reduce interference.

Active Publication Date: 2021-02-19
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, the RSSI value is easily affected by the environment, and due to the existence of multipath and attenuation effects, it is relatively unstable in most cases
As a result, poor positioning accuracy

Method used

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  • Method and apparatus for locating an area where an electronic device is located
  • Method and apparatus for locating an area where an electronic device is located
  • Method and apparatus for locating an area where an electronic device is located

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Embodiment Construction

[0021] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0022] First, refer to figure 1 Application scenarios of the method and apparatus for locating an area where an electronic device is located according to an embodiment of the present invention are described.

[0023] in such as figure 1 In the shown scenario, there are multiple first signal transmitters 12-1, 12-2, 12-3 and 12-4, at least one second signal transmitter (in figure 1 , two second signal transmitters 14-1 and 14-2) and one or more electronic devices 16 to be positioned are exemplarily shown. Each of the plurality of first signal transmitters 12-1 to 12-4 transmits a first wireless signal. Each of the second signal transmitters 14-1 and 14-2 transmits a second wireless signal.

[0024] The first wireless signal is of a different type from the second wireless signal. Exemplarily, the received signal strength indication (Received Signal St...

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PUM

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Abstract

A method and device for the area used to locate the electronic device, which includes the following steps: the corresponding multiple first wireless signals from multiple regions;At least one second wireless signal; based on the multiple first wireless signals, the parameter values of the possibility that represents the possibility of the electronic device belongs to each region;The initial adjustment; and based on the parameter values of the initial adjustment, determine the area where the electronic device is located in multiple areas.

Description

technical field [0001] The present invention relates to the field of locating electronic equipment, and more specifically, the present invention relates to a method and device for locating an area where electronic equipment is located. Background technique [0002] In scenes where it is inconvenient or difficult to locate by a Global Positioning System (GPS), such as an indoor scene, technologies for locating electronic devices through a wireless network are increasingly developed. In one such positioning technique, the RSSI value of a received wireless signal, such as a Bluetooth signal, is detected and positioning is performed based on an RSSI fading model. [0003] However, in such positioning techniques, on the one hand, the RSSI fading model is only credible in a very limited range where the received energy is large enough to negligibly interfere with the ambient noise. On the other hand, the RSSI value is easily affected by the environment, and due to the existence of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S5/02G01C21/18H04W64/00
CPCG01C21/18G01S5/02H04W64/00
Inventor 廖可于海华王炜杨林举
Owner RICOH KK