CN111629324A - Public space positioning method based on ubiquitous Internet of things - Google Patents
Public space positioning method based on ubiquitous Internet of things Download PDFInfo
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- CN111629324A CN111629324A CN202010322975.1A CN202010322975A CN111629324A CN 111629324 A CN111629324 A CN 111629324A CN 202010322975 A CN202010322975 A CN 202010322975A CN 111629324 A CN111629324 A CN 111629324A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
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- Computer Networks & Wireless Communication (AREA)
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- Multimedia (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to the technical field of communication of the Internet of things, in particular to a public space positioning method based on the ubiquitous Internet of things. The public space is divided into sub-positioning areas, the sub-positioning nodes are arranged in each sub-positioning area, the sub-positioning areas are quickly positioned by utilizing the strength of wireless signal broadcast sent by the sub-positioning nodes received by the mobile terminal, and quick preliminary public space positioning is finished, the positioning speed is high, and GPS signals are not relied on; in addition, after the sub-positioning nodes receive the sub-positioning area confirmation information sent by the mobile terminal, the auxiliary positioning nodes uniformly distributed in the sub-positioning area receive the instructions of the sub-positioning nodes and send out wireless broadcast, and the mobile terminal carries out self fine positioning according to the signals of the wireless broadcast, so that the positioning precision is high.
Description
Technical Field
The invention relates to the technical field of communication of the Internet of things, in particular to a public space positioning method and system based on the ubiquitous Internet of things.
Background
The spatial positioning technology is to take a geographic information system, remote sensing and a global positioning system as research objects, and the contents comprise spatial information, a spatial model, spatial analysis, spatial decision and the like. The global positioning system and remote sensing are respectively used for acquiring point and plane spatial information or monitoring changes of the point and plane spatial information, and the geographic information system is used for storing, analyzing and processing spatial data. Because the three have obvious complementarity in function, the respective advantages can be fully exerted only by integrating the three in a unified platform. The integration of geographic information systems, synaesthesia, and global positioning systems has been receiving increasing attention and attention from the beginning of the 90 s of the 20 th century and gradually developed into a new interdisciplinary, geospatial informatics. Space-oriented GPS, as a new modern positioning method, has gradually replaced conventional optics and electronics in more and more fields. Since the 80 s, and particularly the 90 s, GPS satellite positioning and navigation technology combined with modern communication technology has revolutionized the art of spatial positioning.
The public space positioning method in the prior art has the defects of large and inaccurate vertical space positioning for GPS signals.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the public space positioning method and system based on the ubiquitous Internet of things, which have the advantages of high positioning speed and high accuracy.
In order to achieve the purpose, the invention adopts the following technical scheme:
a public space positioning method based on a ubiquitous Internet of things comprises the following steps:
the method comprises the following steps: dividing a public space region, namely performing region division on the public space according to a cubic shape to form a sub-positioning region;
step two; setting sub-positioning nodes, namely setting the sub-positioning nodes at the center of each sub-positioning area, and defining the space position quantity of the sub-positioning nodes according to the space position relation among the sub-positioning nodes;
step three; setting auxiliary positioning nodes, setting not less than 8 sub-positioning nodes in each sub-positioning area, and defining the space position quantity of the auxiliary positioning nodes according to the space position relation between the sub-positioning nodes and the auxiliary positioning nodes;
step four, the sub-positioning nodes broadcast wireless signals, and the sub-positioning nodes broadcast the information including the self spatial position quantity and the self coding information wirelessly;
step five, determining a sub-positioning area of the wireless terminal, wherein the wireless terminal receives information wirelessly broadcast by the sub-positioning nodes, judges the nearest sub-positioning node according to the strength of the signal, further determines the sub-positioning area and sends sub-positioning area confirmation information to the nearest sub-positioning node;
step six, the auxiliary positioning node confirms that the nearest sub-positioning node sends a broadcast instruction to the auxiliary positioning node in the sub-positioning area after receiving the sub-positioning area confirmation information sent by the mobile terminal, and the auxiliary positioning node in the sub-positioning area receives the broadcast instruction and then carries out wireless broadcast on the space position quantity and the coding information of the auxiliary positioning node;
and step seven, the space positioning is successful, the wireless terminal receives the wireless broadcast information of the auxiliary positioning node in the sub-positioning area, and calculates the space position amount of the wireless terminal according to the signal strength to complete the public space positioning.
Further, the spatial position quantity includes X, Y, Z values within spatial coordinates that originate from a ground center of the common space.
Further, the wireless broadcasts of the different sub-positioning nodes have the same initial signal strength, and the wireless broadcasts of the different auxiliary positioning nodes have the same initial signal strength.
Further, the self-coding information comprises a coding serial number, a sub-positioning area number and a nearest public space reference object name.
Further, wireless terminal includes, smart mobile phone, panel computer, intelligent wrist-watch and intelligent bracelet.
A ubiquitous internet of things based public space positioning system, the system comprising:
the system comprises sub-positioning nodes, a plurality of positioning nodes and a plurality of auxiliary positioning nodes, wherein the sub-positioning nodes are distributed in a public space in a matrix manner, the public space is defined into a plurality of sub-positioning areas according to the sub-positioning nodes, the space position quantity of the sub-positioning nodes is established by taking the ground center of the public space as a space coordinate origin, and the sub-positioning nodes are used for sending wireless broadcast signals with the same initial signal intensity, receiving the confirmation information of the sub-positioning areas sent by a mobile terminal and sending broadcast instructions to the auxiliary positioning nodes in the sub-positioning areas;
the auxiliary positioning node is used for receiving a broadcast instruction sent by the sub-positioning node in the sub-positioning area and wirelessly broadcasting the space position quantity and the coding information of the auxiliary positioning node;
and the mobile terminal is used for receiving the wireless broadcast containing the self space position quantity and the self coding information sent by the sub positioning node and the auxiliary positioning node and finally finishing the positioning of the public space.
Compared with the prior art, the invention has the beneficial effects that:
the public space is divided into sub-positioning areas, the sub-positioning nodes are arranged in each sub-positioning area, the sub-positioning areas are quickly positioned by utilizing the strength of wireless signal broadcast sent by the sub-positioning nodes received by the mobile terminal, and quick preliminary public space positioning is finished, the positioning speed is high, and GPS signals are not relied on; in addition, after the sub-positioning nodes receive the sub-positioning area confirmation information sent by the mobile terminal, the auxiliary positioning nodes uniformly distributed in the sub-positioning area receive the instructions of the sub-positioning nodes and send out wireless broadcast, and the mobile terminal carries out self fine positioning according to the signals of the wireless broadcast, so that the positioning precision is high.
Detailed Description
The following detailed description of embodiments of the invention, but the invention can be practiced in many different ways, as defined and covered by the claims.
A ubiquitous internet of things based public space positioning system, the system comprising:
the system comprises sub-positioning nodes, a plurality of positioning nodes and a plurality of auxiliary positioning nodes, wherein the sub-positioning nodes are distributed in a public space in a matrix manner, the public space is defined into a plurality of sub-positioning areas according to the sub-positioning nodes, the space position quantity of the sub-positioning nodes is established by taking the ground center of the public space as a space coordinate origin, and the sub-positioning nodes are used for sending wireless broadcast signals with the same initial signal intensity, receiving the confirmation information of the sub-positioning areas sent by a mobile terminal and sending broadcast instructions to the auxiliary positioning nodes in the sub-positioning areas;
the auxiliary positioning node is used for receiving a broadcast instruction sent by the sub-positioning node in the sub-positioning area and wirelessly broadcasting the space position quantity and the coding information of the auxiliary positioning node;
and the mobile terminal is used for receiving the wireless broadcast containing the self space position quantity and the self coding information sent by the sub positioning node and the auxiliary positioning node and finally finishing the positioning of the public space.
A public space positioning method based on a ubiquitous Internet of things comprises the following steps:
the method comprises the following steps: dividing a public space region, namely performing region division on the public space according to a cubic shape to form a sub-positioning region;
step two; setting sub-positioning nodes, namely setting the sub-positioning nodes at the center of each sub-positioning area, and defining the space position quantity of the sub-positioning nodes according to the space position relation among the sub-positioning nodes;
step three; setting auxiliary positioning nodes, setting not less than 8 sub-positioning nodes in each sub-positioning area, and defining the space position quantity of the auxiliary positioning nodes according to the space position relation between the sub-positioning nodes and the auxiliary positioning nodes;
step four, the sub-positioning nodes broadcast wireless signals, and the sub-positioning nodes broadcast the information including the self spatial position quantity and the self coding information wirelessly;
step five, determining a sub-positioning area of the wireless terminal, wherein the wireless terminal receives information wirelessly broadcast by the sub-positioning nodes, judges the nearest sub-positioning node according to the strength of the signal, further determines the sub-positioning area and sends sub-positioning area confirmation information to the nearest sub-positioning node;
step six, the auxiliary positioning node confirms that the nearest sub-positioning node sends a broadcast instruction to the auxiliary positioning node in the sub-positioning area after receiving the sub-positioning area confirmation information sent by the mobile terminal, and the auxiliary positioning node in the sub-positioning area receives the broadcast instruction and then carries out wireless broadcast on the space position quantity and the coding information of the auxiliary positioning node;
and step seven, the space positioning is successful, the wireless terminal receives the wireless broadcast information of the auxiliary positioning node in the sub-positioning area, and calculates the space position amount of the wireless terminal according to the signal strength to complete the public space positioning.
Preferably, the spatial position quantity comprises X, Y, Z values within spatial coordinates that originate from a ground center of the common space.
Preferably, the wireless broadcasts of the different child positioning nodes have the same initial signal strength, and the wireless broadcasts of the different auxiliary positioning nodes have the same initial signal strength.
Preferably, the self-coding information includes a coding serial number, a sub-positioning area number, and a name of a nearest public spatial reference.
Preferably, the wireless terminal comprises a smart phone, a tablet computer, a smart watch and a smart bracelet.
Dividing a public space into sub-positioning areas, setting a sub-positioning node in each sub-positioning area, and quickly positioning the sub-positioning area by utilizing the broadcast strength of a wireless signal sent by the sub-positioning node received by a mobile terminal to complete quick preliminary public space positioning, wherein the positioning speed is high and does not depend on GPS signals; in addition, after the sub-positioning nodes receive the sub-positioning area confirmation information sent by the mobile terminal, the auxiliary positioning nodes uniformly distributed in the sub-positioning area receive the instructions of the sub-positioning nodes and send out wireless broadcast, and the mobile terminal carries out self fine positioning according to the signals of the wireless broadcast, so that the positioning precision is high.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and variations that can be made by the present invention in the specification or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (6)
1. A public space positioning method based on a ubiquitous Internet of things is characterized by comprising the following steps:
the method comprises the following steps: dividing a public space region, namely performing region division on the public space according to a cubic shape to form a sub-positioning region;
step two; setting sub-positioning nodes, namely setting the sub-positioning nodes at the center of each sub-positioning area, and defining the space position quantity of the sub-positioning nodes according to the space position relation among the sub-positioning nodes;
step three; setting auxiliary positioning nodes, setting not less than 8 sub positioning nodes in each sub positioning area, and defining the space position quantity of the auxiliary positioning nodes according to the space position relation between the sub positioning nodes and the auxiliary positioning nodes;
step four, the sub-positioning nodes broadcast wireless signals, and the sub-positioning nodes broadcast the information including the self spatial position quantity and the self coding information wirelessly;
step five, determining a sub-positioning area of the wireless terminal, wherein the wireless terminal receives information wirelessly broadcast by the sub-positioning nodes, judges the nearest sub-positioning node according to the strength of the signal, further determines the sub-positioning area and sends sub-positioning area confirmation information to the nearest sub-positioning node;
step six, the auxiliary positioning node confirms that the nearest sub-positioning node sends a broadcast instruction to the auxiliary positioning node in the sub-positioning area after receiving the sub-positioning area confirmation information sent by the mobile terminal, and the auxiliary positioning node in the sub-positioning area receives the broadcast instruction and then carries out wireless broadcast on the space position quantity and the coding information of the auxiliary positioning node;
and step seven, the space positioning is successful, the wireless terminal receives the wireless broadcast information of the auxiliary positioning node in the sub-positioning area, and calculates the space position amount of the wireless terminal according to the signal strength to complete the public space positioning.
2. The ubiquitous internet of things-based public space locating method according to claim 1, wherein the spatial location quantity comprises X, Y, Z values within spatial coordinates with an origin at a ground center of the public space.
3. The ubiquitous internet of things based public space location method of claim, wherein the wireless broadcasts of the different sub-location nodes have the same initial signal strength, and the wireless broadcasts of the different auxiliary location nodes have the same initial signal strength.
4. The ubiquitous internet of things-based public space positioning method of claim, wherein the self-encoding information comprises an encoding serial number, a sub-positioning area number and a name of a nearest public space reference.
5. The ubiquitous internet of things-based public space positioning method of claim, wherein the wireless terminal comprises a smart phone, a tablet computer, a smart watch and a smart bracelet.
6. A ubiquitous Internet of things-based public space positioning system, the system comprising:
the system comprises sub-positioning nodes, a plurality of positioning nodes and a plurality of auxiliary positioning nodes, wherein the sub-positioning nodes are distributed in a public space in a matrix manner, the public space is defined into a plurality of sub-positioning areas according to the sub-positioning nodes, the space position quantity of the sub-positioning nodes is established by taking the ground center of the public space as a space coordinate origin, and the sub-positioning nodes are used for sending wireless broadcast signals with the same initial signal intensity, receiving the confirmation information of the sub-positioning areas sent by a mobile terminal and sending broadcast instructions to the auxiliary positioning nodes in the sub-positioning areas;
the auxiliary positioning node is used for receiving a broadcast instruction sent by the sub-positioning node in the sub-positioning area and wirelessly broadcasting the space position quantity and the coding information of the auxiliary positioning node;
and the mobile terminal is used for receiving the wireless broadcast containing the self space position quantity and the self coding information sent by the sub positioning node and the auxiliary positioning node and finally finishing the positioning of the public space.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010322975.1A CN111629324A (en) | 2020-04-22 | 2020-04-22 | Public space positioning method based on ubiquitous Internet of things |
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| CN202010322975.1A CN111629324A (en) | 2020-04-22 | 2020-04-22 | Public space positioning method based on ubiquitous Internet of things |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103905992A (en) * | 2014-03-04 | 2014-07-02 | 华南理工大学 | Indoor positioning method based on wireless sensor networks of fingerprint data |
| US20180020421A1 (en) * | 2015-02-23 | 2018-01-18 | Philips Lighting Holding B.V. | Localization of a mobile device |
| CN108549070A (en) * | 2018-03-30 | 2018-09-18 | 特斯联（北京）科技有限公司 | A kind of public space positioning system and method based on ubiquitous Internet of Things |
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- 2020-04-22 CN CN202010322975.1A patent/CN111629324A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103905992A (en) * | 2014-03-04 | 2014-07-02 | 华南理工大学 | Indoor positioning method based on wireless sensor networks of fingerprint data |
| US20180020421A1 (en) * | 2015-02-23 | 2018-01-18 | Philips Lighting Holding B.V. | Localization of a mobile device |
| CN108549070A (en) * | 2018-03-30 | 2018-09-18 | 特斯联（北京）科技有限公司 | A kind of public space positioning system and method based on ubiquitous Internet of Things |
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