CN103634908A - Personnel positioning system - Google Patents
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- CN103634908A CN103634908A CN201310684121.8A CN201310684121A CN103634908A CN 103634908 A CN103634908 A CN 103634908A CN 201310684121 A CN201310684121 A CN 201310684121A CN 103634908 A CN103634908 A CN 103634908A
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- 230000002618 waking effect Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims description 3
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Abstract
The invention provides a personnel positioning system. The personnel positioning system comprises a personnel positioning communication base station (1), a personnel positioning portable terminal (2), positioning beacons (3) and a personnel positioning server (4), wherein the positioning beacons (3) are arranged at the fixed positions according to the needs, are provided with unique numbers related to installing position information and send number information periodically to the personnel positioning portable terminal in a wireless manner; the personnel positioning portable terminal (2) is carried by personnel, receives the number information sent by all the positioning beacons (3) in real time, obtains current position information by processing, displays the current position information to a carrier and sends the current position information to the personnel positioning server (4). The personnel positioning system provided by the invention has the advantages that the structure is simple, the number of types of equipment is small, and different positioning-accuracy requirements corresponding to different scenes can be met according to the needs.
Description
Technical field
The present invention relates to be positioned wireless sensing field, be specifically related to a kind of personnel location system.
Background technology
Nearly hundred of the domestic patents of invention relevant to personnel location system or method, relate to the multiple technologies systems such as RFID, Zigbee, Wi-Fi, UWB and such as based on multiple location technologies such as coding, field intensity, phase calculation.The basic framework of these navigation systems is the fixing locating base station of disposing, personnel carry positioning label, locating base station receives the information of the positioning label carrying from personnel, according to information such as its field intensity, phase place, sequence label codes, identify and location, identification completes by central server with the calculating of location.This framework is suitable for the scene of fixed environment, high density of personnel as colliery, factory, the shortcoming of this framework is: the raising of (1) its positioning precision depends on the deployment density that increases locating base station, because mostly the networking between base station is that it needs external power source by wire transmission modes such as optical cable, buses, cause improving the required investment of positioning precision, cable and quantities, the engineering construction cycle such as set up and become rapidly large.(2) the entrained positioning label degree of intelligence of personnel is low, only the manager at center, can see personnel's situation, positioning label carrier can not learn the positional information of self and periphery, cannot realize the function of navigation, to personnel lost or that be unfamiliar with periphery scene, cannot offer help, also cannot real-time informing to entering or approach the personnel of similar " forbidden zone ".(3) calculating all about positional information all relies on central server, once server lost contact or the machine of delaying, system is at a standstill.
For example, Chinese patent CN102523621A discloses a kind of Mine Personnel Positioning System, and it transmits base station by ground monitoring center, optical fiber, and gateway node, bus, beacon node, training node and mobile node form.Beacon node is pressed block and is laid in tunnel, personnel carry mobile node, mobile node reads the signal of beacon node and the locating information of the beacon node receiving is processed, and is uploaded to ground monitoring center and mates calculating with its station-keeping mode data, realizes location; Training node is for measuring, obtain, revise station-keeping mode data.But (1) first the complexity of this system is high, by 8 parts nearly, formed; (2) structure of its subsystem need to lay the wire transmission media such as optical fiber, bus, and quantities is large and be difficult to rapid deployment, for the mobile environment or the adverse circumstances that are not easy to set up cable, is difficult to be suitable for; (3) moreover the location of its mobile node coupling that relies on ground monitoring center calculate, once system and ground monitoring center lost contact, terminal cannot realize location, (4) degree of intelligence of its mobile node is low, terminal does not possess local processing in real time and display capabilities, the carrier of mobile node can not see own position, and then does not possess the ability of navigation, once even if lost to carry mobile node also useless; (5) raising of its positioning precision need to rely on training node to each block collection signal in tunnel, sets up mode data, the humiture that complicated operation and positioning precision are subject in site environment constantly to change, block, the impact of electromagnetic environment.In sum, the complexity of this system is high, mobility is poor, does not possess the feature of rapid deployment.Therefore, need to provide a kind of more simple, reliable, quick, intelligent technology, so as to realize to locating information rapidly, effectively use.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of personnel location system is provided, comprise personnel positioning communication base station (1), personnel positioning portable terminal device (2), localizer beacon (3) and personnel positioning server (4);
Described personnel positioning communication base station (1) interconnects and communicates by letter with described personnel positioning server (4); Described personnel positioning communication base station (1) and described personnel positioning portable terminal device (2) form wireless mesh network, and described personnel positioning portable terminal device (2) is by the intercommunication mutually between personnel positioning communication base station (1) realization described in any one in described wireless mesh and described personnel positioning server (4);
Described localizer beacon (3) is installed on fixed position as required, and described localizer beacon (3) has the unique number with its installation site information association, and periodically with wireless mode, to described personnel positioning portable terminal device (2), sends its number information;
Described personnel positioning portable terminal device (2) is carried by personnel, described personnel positioning portable terminal device (2) receives the number information that localizer beacon (3) sends described in each in real time, processes to obtain current location information and show and send to described personnel positioning server (4) to the personnel of carrying.
In the first preferred embodiment provided by the invention: described personnel positioning communication base station (1), personnel positioning portable terminal device (2) and localizer beacon (3) all use powered battery.
In the second preferred embodiment provided by the invention: by the density of described localizer beacon (3) and the different accuracy requirement that beacon wireless transmitting power meets different navigation systems are set; For the high region of positioning accuracy request strengthen described localizer beacon (3) packing density, reduce the transmitting power of described localizer beacon (3); For the packing density of localizer beacon (3) described in the low area decreases of positioning precision and improve the transmitting power of described localizer beacon (3).
In the 3rd preferred embodiment provided by the invention: described personnel positioning portable terminal device (2) according to receive each described in the number information correspondence of localizer beacon (3) go out the position coordinates of localizer beacon (3) described in each, using after square adjustment of each localizer beacon (3) field intensity of receiving as weight coefficient, position to each localizer beacon (3) of receiving is weighted on average, obtains the current location information of localizer beacon (3) personnel positioning portable terminal device (2) described in each;
Described personnel positioning portable terminal device (2) provides navigation and information according to the attribute of current location, comprises the authority or the points for attention that enter arbitrary region.
In the 4th preferred embodiment provided by the invention: described localizer beacon (3) has dormancy and arouse machine processed, during described personnel positioning portable terminal device (2) work, periodically send and wake message up, wake described personnel positioning portable terminal device (2) up and wake the described localizer beacon (3) in scope up, described in localizer beacon (3) after waking up periodically to described personnel positioning portable terminal device (2), send its number information.
In the 5th preferred embodiment provided by the invention: described personnel positioning communication base station (1) has dormancy and arouse machine processed;
Described personnel positioning communication base station (1) connects after process of establishing completing initialize communications between base station, in setting-up time as the information that does not receive described personnel positioning portable terminal device (2) as described in personnel positioning portable terminal device (2) enter resting state with saving electricity consumption;
While having described personnel positioning portable terminal device (2) to enter in the wireless coverage of described personnel positioning communication base station (1), the message that wakes up that described personnel positioning communication base station (1) is sent by the described personnel positioning portable terminal device (2) that enters wakes up, the personnel positioning communication base station (1) of described personnel positioning portable terminal device (2) after by described waking up realize with described personnel positioning server (4) between intercommunication mutually.
In the 6th preferred embodiment provided by the invention: described personnel positioning server (4) is communicated by letter with personnel positioning portable terminal device (2) described in each, receive, process, show, store the locating information of personnel positioning portable terminal device (2) described in each, and can be to the lower photos and sending messages of described personnel positioning portable terminal device (2), described in issue lastest imformation and the note that information comprises localizer beacon (3) position.
In the 7th preferred embodiment provided by the invention: described personnel positioning server (4) possesses various communication interfaces, and data communication service is provided, comprise the service of long range positioning real-time data communication, remote data base locating information stores service based on Ethernet.
In the 8th preferred embodiment provided by the invention: the radio communication between described personnel positioning communication base station (1), personnel positioning portable terminal device (2) and localizer beacon (3) adopts IEEE802.15.4 agreement.
A kind of personnel location system provided by the invention, comprises with respect to the beneficial effect of immediate prior art:
1, a kind of personnel location system provided by the invention, comprises personnel positioning communication base station, personnel positioning portable terminal device, localizer beacon and personnel positioning server, forms simply, and device category is few; Personnel in navigation system carry personnel's positions portable terminal, this personnel positioning portable terminal device does not need to rely on centralized positioning server and just possesses local localization process, response and display capabilities in real time, also possesses navigation feature, the attribute information that can show in real time current location and scene, make personnel can see in real time the position at own place, during while entering special area or near special objective, can obtain corresponding prompting or alarm.
2, personnel positioning communication base station, personnel positioning portable terminal device and localizer beacon adopt powered battery, full Wireless networking, complete battery powered characteristic make system possess the feature of rapid deployment, convenient migration, to communications infrastructure no requirement (NR)s such as the cables such as transmission cable, equipment service cable, power taking points, be applicable to the deployment under adverse circumstances or mobile context.
3, the deployment of localizer beacon can require to adjust flexibly to the difference of positioning precision according to different scenes, the region high for positioning accuracy request can intensively lay localizer beacon or reduce beacon emissions power as indoor, for the low region of positioning accuracy request, can lack cloth beacon and improve beacon emissions power as passage, to reduce system cost, the cost of localizer beacon is low and adopt powered battery, increase and decrease, install very convenient, be specially adapted to such as petroleum and petrochemical industry, mine, the large scene scopes such as national defence underground fortification, low density of personnel, the location scene of high-precision requirement.
4, personnel positioning communication base station and localizer beacon have dormancy and arouse machine processed, reduce power consumption, the Low-power Technology of system and the dormancy awakening mechanism of beacon and base station is made to adopt full powered battery to move to reach half a year more than.
5, locating terminal can also with the two-way communication of centralized positioning server, uploading position information, call out confidence, receive lower photos and sending messages.
Accompanying drawing explanation
Be illustrated in figure 1 the schematic diagram of embodiment of the structure of a kind of personnel location system provided by the invention;
Wherein, 1 is personnel's positioning and communicating base station; 2 is personnel's positions portable terminal; 3 is localizer beacon; 4 is personnel's location-server.
Embodiment
With reference to the accompanying drawings the specific embodiment of the present invention is described in further detail below.
The invention provides a kind of personnel location system, the schematic diagram of the embodiment of its structure as shown in Figure 1, as shown in Figure 1, this system comprises personnel positioning communication base station (1), personnel positioning portable terminal device (2), localizer beacon (3) and personnel positioning server (4).The quantity of personnel positioning communication base station (1), personnel positioning portable terminal device (2) and localizer beacon (3) is unrestricted, can artificially set as required, what the embodiment in figure provided is the situation that comprises 3 personnel's positioning and communicating base stations (1), 2 personnel's positions portable terminals (2) and 6 localizer beacons (3).
Personnel positioning communication base station (1) interconnects and communicates by letter with personnel positioning server (4), personnel positioning communication base station (1) and personnel positioning portable terminal device (2) form wireless mesh network, personnel positioning portable terminal device (2) by any one the personnel positioning communication base station (1) in wireless mesh realize with personnel positioning server (4) between intercommunication mutually.
Localizer beacon (3) is installed on fixed position as required, and this localizer beacon (3) has the unique number with its installation site information association, and periodically with wireless mode, to personnel positioning portable terminal device (2), sends its number information.
Personnel positioning portable terminal device (2) is carried by personnel, this personnel positioning portable terminal device (2) receives the number information that each localizer beacon (3) sends in real time, processes to obtain current location information and show and send to personnel positioning server (4) to the personnel of carrying.
Personnel positioning portable terminal device (2) can process, show the attribute information of this terminal current location and current location without personnel positioning server, therefore the personnel in this navigation system can understand own current location by the personnel positioning portable terminal device of checking it and carrying, and realize navigation feature.
Further, personnel positioning communication base station (1), personnel positioning portable terminal device (2) and localizer beacon (3) all use powered battery.Full Wireless networking, complete battery powered characteristic make system possess the feature of rapid deployment, convenient migration, to communications infrastructure no requirement (NR)s such as the cables such as transmission cable, equipment service cable, power taking points, are applicable to the deployment under adverse circumstances or mobile context.
Localizer beacon (3) is according to being artificially installed on fixed position, therefore only the different accuracy requirement that the density of this localizer beacon (3) and beacon wireless transmitting power just can different navigation systems need be set, for the high region of positioning accuracy request can strengthen beacon packing density, reduce the transmitting power of localizer beacon (3), for the low region of positioning precision, can reduce the packing density of localizer beacon (3) and improve the transmitting power of beacon.
Personnel positioning portable terminal device (2) goes out its position coordinates separately according to the number information correspondence of each localizer beacon (3) of receiving, using after square adjustment of each localizer beacon (3) field intensity of receiving as weight coefficient, position to each localizer beacon (3) of receiving is weighted on average, obtain the current location information of this personnel positioning portable terminal device (2), and provide navigation and information according to the attribute of current location, as enter the authority in this region or points for attention etc.
Personnel positioning communication base station (1) and localizer beacon (3) have dormancy and arouse machine processed, during personnel positioning portable terminal device (2) work, periodically send and wake message up, wake this personnel positioning portable terminal device (2) up and wake the localizer beacon (3) in scope up, the localizer beacon after waking up (3) periodically sends its number information to this personnel positioning portable terminal device (2).Personnel positioning communication base station (1) connects after process of establishing in the initialize communications completing between base station, in setting-up time, as received the information of personnel positioning portable terminal device (2), do not enter resting state to save electricity consumption, while having personnel positioning portable terminal device (2) to enter in the wireless coverage of personnel positioning communication base station (1), the message that wakes up that the personnel positioning portable terminal device (2) that this personnel positioning communication base station (1) is entered by this sends wakes up, the personnel positioning communication base station (1) of personnel positioning portable terminal device (2) by after waking up realize with personnel positioning server (4) between intercommunication mutually.
By dormancy and the arouse machine processed of personnel positioning communication base station (1) and localizer beacon (3) are set, reduce the power consumption of system, more than making to adopt full powered battery to move to reach half a year.
Personnel positioning server (4) is foundation and the both-way communication of responsible transmission network only, do not participate in location, communicate by letter with each personnel positioning portable terminal device (2), receive, process, show, store the locating information of each personnel positioning portable terminal device (2), and can be to the lower photos and sending messages of personnel positioning portable terminal device (2), this issues lastest imformation and note that information comprises localizer beacon (3) position.This personnel positioning server (4) can be put into any position in wireless mesh network, and possesses various communication interfaces, provide data communication service, such as the service of long range positioning real-time data communication, the remote data base locating information stores service that provide based on Ethernet.
Radio communication between personnel positioning communication base station (1), personnel positioning portable terminal device (2) and localizer beacon (3) adopts IEEE802.15.4 agreement.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not depart from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (9)
1. a personnel location system, is characterized in that, described system comprises personnel positioning communication base station (1), personnel positioning portable terminal device (2), localizer beacon (3) and personnel positioning server (4);
Described personnel positioning communication base station (1) interconnects and communicates by letter with described personnel positioning server (4); Described personnel positioning communication base station (1) and described personnel positioning portable terminal device (2) form wireless mesh network, and described personnel positioning portable terminal device (2) is by the intercommunication mutually between personnel positioning communication base station (1) realization described in any one in described wireless mesh and described personnel positioning server (4);
Described localizer beacon (3) is installed on fixed position as required, and described localizer beacon (3) has the unique number with its installation site information association, and periodically with wireless mode, to described personnel positioning portable terminal device (2), sends its number information;
Described personnel positioning portable terminal device (2) is carried by personnel, described personnel positioning portable terminal device (2) receives the number information that localizer beacon (3) sends described in each in real time, processes to obtain current location information and show and send to described personnel positioning server (4) to the personnel of carrying.
2. the system as claimed in claim 1, is characterized in that, described personnel positioning communication base station (1), personnel positioning portable terminal device (2) and localizer beacon (3) all use powered battery.
3. the system as claimed in claim 1, is characterized in that, by the density of described localizer beacon (3) and the different accuracy requirement that beacon wireless transmitting power meets different navigation systems are set; For the high region of positioning accuracy request strengthen described localizer beacon (3) packing density, reduce the transmitting power of described localizer beacon (3); For the packing density of localizer beacon (3) described in the low area decreases of positioning precision and improve the transmitting power of described localizer beacon (3).
4. the system as claimed in claim 1, it is characterized in that, described personnel positioning portable terminal device (2) according to receive each described in the number information correspondence of localizer beacon (3) go out the position coordinates of localizer beacon (3) described in each, using after square adjustment of each localizer beacon (3) field intensity of receiving as weight coefficient, position to each localizer beacon (3) of receiving is weighted on average, obtains the current location information of localizer beacon (3) personnel positioning portable terminal device (2) described in each;
Described personnel positioning portable terminal device (2) provides navigation and information according to the attribute of current location, comprises the authority or the points for attention that enter arbitrary region.
5. the system as claimed in claim 1, it is characterized in that, described localizer beacon (3) has dormancy and arouse machine processed, during described personnel positioning portable terminal device (2) work, periodically send and wake message up, wake described personnel positioning portable terminal device (2) up and wake the described localizer beacon (3) in scope up, described in localizer beacon (3) after waking up periodically to described personnel positioning portable terminal device (2), send its number information.
6. the system as claimed in claim 1, is characterized in that, described personnel positioning communication base station (1) has dormancy and arouse machine processed;
Described personnel positioning communication base station (1) connects after process of establishing completing initialize communications between base station, in setting-up time as the information that does not receive described personnel positioning portable terminal device (2) as described in personnel positioning portable terminal device (2) enter resting state with saving electricity consumption;
While having described personnel positioning portable terminal device (2) to enter in the wireless coverage of described personnel positioning communication base station (1), the message that wakes up that described personnel positioning communication base station (1) is sent by the described personnel positioning portable terminal device (2) that enters wakes up, the personnel positioning communication base station (1) of described personnel positioning portable terminal device (2) after by described waking up realize with described personnel positioning server (4) between intercommunication mutually.
7. the system as claimed in claim 1, it is characterized in that, described personnel positioning server (4) is communicated by letter with personnel positioning portable terminal device (2) described in each, receive, process, show, store the locating information of personnel positioning portable terminal device (2) described in each, and can be to the lower photos and sending messages of described personnel positioning portable terminal device (2), described in issue lastest imformation and the note that information comprises localizer beacon (3) position.
8. the system as claimed in claim 1, it is characterized in that, described personnel positioning server (4) possesses various communication interfaces, and data communication service is provided, and comprises the service of long range positioning real-time data communication, remote data base locating information stores service based on Ethernet.
9. the system as claimed in claim 1, is characterized in that, the radio communication between described personnel positioning communication base station (1), personnel positioning portable terminal device (2) and localizer beacon (3) adopts IEEE802.15.4 agreement.
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| CN201310684121.8A CN103634908B (en) | 2013-12-13 | 2013-12-13 | A kind of personnel location system |
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| CN201310684121.8A CN103634908B (en) | 2013-12-13 | 2013-12-13 | A kind of personnel location system |
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| CN103634908B CN103634908B (en) | 2017-09-29 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103761069A (en) * | 2013-12-31 | 2014-04-30 | 中国人民解放军第二军医大学 | Field hospital intelligent person location system |
| CN103957595A (en) * | 2014-05-14 | 2014-07-30 | 肖登坤 | High-precision borehole operation personnel positioning system and method |
| CN105277915A (en) * | 2014-07-22 | 2016-01-27 | 上海巨江信息技术有限公司 | Modular wireless positioning system suitable for multiple hardware data interfaces and multiple scenes |
| CN106405489A (en) * | 2015-07-31 | 2017-02-15 | 北京航天计量测试技术研究所 | Wireless foot path tracking system for fire-fighting smoke-thermal simulation training system |
| CN106780887A (en) * | 2016-12-16 | 2017-05-31 | 青岛安然物联网科技有限公司 | Intelligent access control system and its method of work |
| WO2017101518A1 (en) * | 2015-12-18 | 2017-06-22 | 小米科技有限责任公司 | Positioning information prompting method and apparatus |
| CN106959434A (en) * | 2017-03-03 | 2017-07-18 | 合肥工业大学 | A kind of mine unmanned plane overall height Accuracy Positioning and method based on UWB |
| CN108093475A (en) * | 2017-12-29 | 2018-05-29 | 重庆地质矿产研究院 | Mine personnel positioning device and method |
| CN108134985A (en) * | 2018-02-07 | 2018-06-08 | 成都精位科技有限公司 | Electronic equipment and alignment system |
| CN108490391A (en) * | 2018-03-06 | 2018-09-04 | 南京邮电大学 | Based on the new indoor positioning system and localization method for waking up anchor point in turn |
| CN109541543A (en) * | 2019-01-09 | 2019-03-29 | 深圳市民明科技有限公司 | A kind of fire-fighting Field Force positioning system, localization method and detection positioning device |
| CN111510853A (en) * | 2020-04-16 | 2020-08-07 | 合肥工大高科信息科技股份有限公司 | Mine positioning label system and positioning method |
| CN113347711A (en) * | 2021-08-06 | 2021-09-03 | 杭州控客信息技术有限公司 | Terminal self-adaption method and system in personnel positioning system |
| CN113567910A (en) * | 2021-07-22 | 2021-10-29 | 青岛安然物联网科技有限公司 | Wireless beacon positioning system and positioning method thereof |
| CN113660603A (en) * | 2021-08-13 | 2021-11-16 | 苏州真趣信息科技有限公司 | Positioning system architecture and positioning method based on UWB technology |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103761069A (en) * | 2013-12-31 | 2014-04-30 | 中国人民解放军第二军医大学 | Field hospital intelligent person location system |
| CN103957595A (en) * | 2014-05-14 | 2014-07-30 | 肖登坤 | High-precision borehole operation personnel positioning system and method |
| CN105277915A (en) * | 2014-07-22 | 2016-01-27 | 上海巨江信息技术有限公司 | Modular wireless positioning system suitable for multiple hardware data interfaces and multiple scenes |
| CN106405489A (en) * | 2015-07-31 | 2017-02-15 | 北京航天计量测试技术研究所 | Wireless foot path tracking system for fire-fighting smoke-thermal simulation training system |
| WO2017101518A1 (en) * | 2015-12-18 | 2017-06-22 | 小米科技有限责任公司 | Positioning information prompting method and apparatus |
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| CN106959434A (en) * | 2017-03-03 | 2017-07-18 | 合肥工业大学 | A kind of mine unmanned plane overall height Accuracy Positioning and method based on UWB |
| CN108093475A (en) * | 2017-12-29 | 2018-05-29 | 重庆地质矿产研究院 | Mine personnel positioning device and method |
| CN108134985A (en) * | 2018-02-07 | 2018-06-08 | 成都精位科技有限公司 | Electronic equipment and alignment system |
| CN108490391A (en) * | 2018-03-06 | 2018-09-04 | 南京邮电大学 | Based on the new indoor positioning system and localization method for waking up anchor point in turn |
| CN109541543A (en) * | 2019-01-09 | 2019-03-29 | 深圳市民明科技有限公司 | A kind of fire-fighting Field Force positioning system, localization method and detection positioning device |
| CN111510853A (en) * | 2020-04-16 | 2020-08-07 | 合肥工大高科信息科技股份有限公司 | Mine positioning label system and positioning method |
| CN113567910A (en) * | 2021-07-22 | 2021-10-29 | 青岛安然物联网科技有限公司 | Wireless beacon positioning system and positioning method thereof |
| CN113347711A (en) * | 2021-08-06 | 2021-09-03 | 杭州控客信息技术有限公司 | Terminal self-adaption method and system in personnel positioning system |
| CN113660603A (en) * | 2021-08-13 | 2021-11-16 | 苏州真趣信息科技有限公司 | Positioning system architecture and positioning method based on UWB technology |
| CN113660603B (en) * | 2021-08-13 | 2024-01-12 | 苏州真趣信息科技有限公司 | Positioning system architecture and positioning method based on UWB technology |
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Denomination of invention: A personnel positioning system Effective date of registration: 20231102 Granted publication date: 20170929 Pledgee: China Construction Bank Corporation Guiyang Chengbei sub branch Pledgor: GUIZHOU ZHENHUA COMMUNICATION EQUIPMENT CO.,LTD. Registration number: Y2023520000062 |
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