CN202815228U - Indoor and outdoor positioning system - Google Patents

Indoor and outdoor positioning system Download PDF

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Publication number
CN202815228U
CN202815228U CN 201220517515 CN201220517515U CN202815228U CN 202815228 U CN202815228 U CN 202815228U CN 201220517515 CN201220517515 CN 201220517515 CN 201220517515 U CN201220517515 U CN 201220517515U CN 202815228 U CN202815228 U CN 202815228U
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CN
China
Prior art keywords
indoor
antenna
outdoor
map
positioning system
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Expired - Fee Related
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CN 201220517515
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Chinese (zh)
Inventor
朱丽萍
张茂先
许晖
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Aerospace Information Technology (shenzhen) Co Ltd
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Aerospace Information Technology (shenzhen) Co Ltd
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Priority to CN 201220517515 priority Critical patent/CN202815228U/en
Application granted granted Critical
Publication of CN202815228U publication Critical patent/CN202815228U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses an indoor and outdoor positioning system. The system comprises portable equipments arranged on markers inside a building and applied for emitting radio frequency signals; receiving positioning equipments arranged outside the building and applied for receiving the radio frequency signals and calculating the coordinates of the portable equipments on an indoor map of the building according to the radio frequency signals; and a terminal server applied for receiving the coordinates, invoking the indoor map of the building and a building outdoor map detected by a GPS or a big dipper satellite, and converting the coordinates into ones on the outdoor map according to the proportion relation between the maps. By combining the radio frequency indoor positioning means and the GPS/big dipper satellite outdoor positioning means, the positioning system achieves unified indoor and outdoor positioning operations. The indoor and outdoor positioning system which enables high positioning precision and rapid disposition is suitably applied in various adverse conditions.

Description

A kind of indoor and outdoor positioning system
Technical field
The utility model relates to wireless location technology, more particularly, relates to a kind of indoor and outdoor positioning system.
Background technology
Location-based service (LBS:Location Based Service) is the field that of electronics and information industry has widespread use and great market value, and present indoor or outdoor positioning system comprises following several:
1, GPS location
GPS (GPS) is that 20 century 70s are by the Aerospace Satellite navigation positioning system of new generation of U.S. land, sea, and air joint research and development.Its fundamental purpose is to provide real-time, round-the-clock and global navigation Service for three large fields, land, sea, air, and for some military purposes such as information acquisition, nuclear explosion monitoring and emergency communications, it mainly is comprised of 24 special-purpose gps satellites and ground-support equipment, and civilian GPS bearing accuracy probably is about ten meters.
Its shortcoming is: the GPS precision is not high, and can only position outdoor, can't covering chamber in and the hidden exterior space.In the services such as application navigation, user oneself is also tracked, and privacy can not be protected.
2, Big Dipper location
Big Dipper positioning system and GPS location is similar, is that a kind of geostationary satellite that utilizes by China's independent research provides round-the-clock for the user, zonal global position system.Because satellite is few at present, bearing accuracy can only arrive 25 meters.
Its shortcoming is the same with gps system, can only carry out outdoor positioning, and can't guaranteedly there be the not high problem of bearing accuracy simultaneously in privacy of user.
3, mobile phone running fix
Mobile phone running fix is to utilize the cellular technology of the wireless mobile networks such as GSM or CDMA to realize the inquiry of positional information, GSM or cdma wireless mobile network are made of many residential quarters as honeycomb, there is own independent numbering each residential quarter, by the identifier of residential quarter, mobile phone place, just can know the position at cellphone subscriber place.
Its shortcoming is: inadequate to indoor position accuracy, and can't protect privacy of user.
4, based on the RSSI three-point fix
The RSSI location technology is by received RF signal (commonly used be 433MHz, 900MHz and 2.4GHz), determines distance according to the relation of signal intensity and transmission range, and the technology of utilizing the mode of 3 definite concrete coordinates to realize locating.
Its shortcoming is: since the used frequency of this technology mobile phone used with daily life, wireless routing, bluetooth, WIFI etc. approach or conflict, and are easy to be subject to the interference of various signals, cause the inadequate problem of bearing accuracy, usually only have ten meters.While, indoor distances was limited owing to radiofrequency signal penetrating metal and barrier is limited in one's ability.
5, based on TOA, the AOA location
TOA, the AOA technology is that a kind of electric wave time of arrival (TOA) that utilizes in cellular network positions when estimating transfer table (MS), also can utilize serving BS (BS) that more accurate angle of arrival (AOA) information is provided, to improve the technology of positioning performance.Its bearing accuracy still can, can reach several meters.
Its shortcoming is: be vulnerable to various interference in the indoor environment, and not anti-metal environment of while, penetrability is bad.
6, based on the real-time location of UWB
The UWB technology is writing a Chinese character in simplified form of Ultra Wide Band, i.e. ultrawideband.UWB is a kind of carrierfree communication technology, and it utilizes nanosecond to the non-sinusoidal wave burst pulse of Microsecond grade to come the transmission of data.As the signal transmitting terminal, recycling TOA and AOA technology can realize indoor positioning with UWB.Its shortcoming is: because the employed frequency of UWB is up to more than the 5GHz, its decay at free space is very fast, and transmission range is limited, and anti-metallicity is relatively poor simultaneously.
7, radio frequency location technology
Radio frequency location technology proportion is the low frequency radio frequency signal of 800K ~ 1.5MHz, utilizes its wavelength overlength can walk around easily the characteristics of metal and barrier, and the mutual relationship of near field amplitude phase place and distance, carries out the technology of indoor and outdoor location.
The various defectives such as it is compared with above-mentioned various location technologies, has solved to expose self privacy in indoor positioning, and bearing accuracy is inadequate, and anti-metal and antijamming capability are bad, and penetrability is weak.To have a cost low for this technology simultaneously, but the advantages such as rapid deployment.
A kind of positioning system need to be provided, can realize indoor and outdoor unified location, and have higher bearing accuracy.
The utility model content
The utility model can't be realized indoor and outdoor unified location for existing positioning system, and the not high defective of bearing accuracy, provides a kind of and can realize indoor and outdoor unified location and the high indoor and outdoor positioning system of bearing accuracy.
The technical scheme that the utility model solves its technical matters to be provided is: a kind of indoor and outdoor positioning system is provided, comprises:
Be arranged on the marker fixing or mobile in the buildings, be used for the portable equipment of emitting radio frequency signal;
Be arranged at outside the buildings, be used for receiving the radiofrequency signal of described portable equipment emission, calculate the reception positioning equipment of the coordinate on the indoor map that described portable equipment is positioned at current buildings according to described radiofrequency signal;
Receive described coordinate, call the outdoor map of the measured current buildings of the indoor map of current buildings and GPS or big-dipper satellite, according to the proportionate relationship of described indoor map and described outdoor map, be the terminal server of the coordinate on the outdoor map with described coordinate conversion.
Preferably, described portable equipment comprises the first antenna sets, and described the first antenna sets comprises the antenna and the antenna that is used for the emission field signal that are used for the emission electric field signal.
Preferably, described reception positioning equipment comprises that also described the second antenna sets comprises the antenna of the antenna of a horizontal polarization, a vertical polarization and the antenna of a radial polarised be used to the second antenna sets of the radiofrequency signal that receives described the first antenna sets emission.
Further preferably, the antenna of horizontal and vertical polarization is magnetic field antenna in described the second antenna sets, and the antenna of radial polarised is the electric field antenna.
Preferably, described system also comprises: the display device that is connected with described terminal server.
Preferably, described system comprises several described portable equipments.
Preferably, described system comprises several described reception positioning equipments.
Indoor and outdoor positioning system of the present utility model has following beneficial effect: combine with GPS/ Big Dipper outdoor positioning based on the real-time location technology of radio frequency, realized the unified location of indoor and outdoor, compare with traditional position location techniques, by adopting radio-frequency technique can take well stopping of metal and barrier, and has high precision, can rapid deployment, can adapt to various rugged surroundings; And, only relate to geographic coordinate and the indoor map of buildings, its position fixing process only and positional information be associated and not can and user information correlation, can initiatively not reveal the information of accepting positioning equipment and user, well protected user's privacy.
Description of drawings
Fig. 1 is the system chart of indoor and outdoor positioning system the first embodiment of the present utility model;
Fig. 2 is 12 near field radio frequency parameter synoptic diagram that the second antenna winding is received;
Fig. 3 is the system chart of indoor and outdoor positioning system the second embodiment of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is further explained explanation.
Fig. 1 is the system chart of indoor and outdoor positioning system the first embodiment of the present utility model, and as shown in Figure 1, in the present embodiment, indoor and outdoor positioning system 100 of the present utility model comprises: portable equipment 110, reception positioning equipment 120 and terminal server 130.
Portable equipment 110 is arranged on the marker (such as the desk in the buildings, cupboard, people etc.) fixing or mobile in the current buildings, is used for emitting radio frequency signal.In the present embodiment, portable equipment 110 is active, and the radiofrequency signal of emission is the radiofrequency signal of 800KHz~1.5MHz.
Receive positioning equipment 120 and comprise database, comprise the indoor cartographic information of current buildings in the database.Receive positioning equipment 120 and be arranged at the outer arbitrarily position of buildings (in the maximum communication distance of itself and portable equipment 110, for example indoorly can reach 15~30 meters, outdoorly reach 50~70 meters), be used for receiving the radiofrequency signal of portable equipment 110 emissions, calculate coordinate on the indoor map that portable equipment 110 is positioned at current buildings according to the radiofrequency signal that receives, and send the coordinate that calculates.Receiving positioning equipment 120 can make amendment, delete, increase and upgrade the cartographic information of storing in the database.
Terminal server 130, be used for receiving the coordinate that positioning equipment 120 sends, call the outdoor map of the measured current buildings of the indoor map of current buildings and GPS or big-dipper satellite, to know the scaling of indoor map and outdoor map, again according to the relation between the scaling of indoor map and outdoor map (proportionate relationship), be coordinate on the outdoor map with the coordinate conversion on the indoor map that receives.
In the present embodiment, portable equipment 110 comprises the first antenna sets, and described the first antenna sets comprises the antenna and the antenna that is used for the emission field signal that are used for the emission electric field signal.Reception positioning equipment 120 also comprises the second antenna sets be used to the radiofrequency signal that receives described the first antenna sets emission, described the second antenna sets comprises magnetic field antenna (H-field antenna) and an electric field antenna (Electric fieldantenna) of two quadratures, two magnetic field antennas are respectively horizontal polarization and vertical polarization, and the electric field antenna is radial polarised.
Receive positioning equipment 120 and can analyze amplitude and/or the phase differential of the radiofrequency signal that receives, the relation that changes with phase differential with the relation of amplitude variations and/or distance in the distance of free-space propagation according to radiowave, calculate the distance between itself and the portable equipment 110, and then obtain the coordinate on the indoor map that portable equipment 110 is positioned at current buildings.After 120 deployment of reception positioning equipment are complete, the position relationship of itself and current buildings is determined, comprise three antennas owing to receive the second antenna sets of positioning equipment 120, receive positioning equipment 120 take current buildings as reference point, obtain the exact position that portable equipment 110 distances receive positioning equipment 120 by the three-point fix principle, again according to the scaling of current Indoor environment map, obtain the accurate coordinate on the indoor map that portable equipment 110 is positioned at current buildings.Each root antenna in the second antenna sets has electric field variable and magnetic field variable near field range, each electric field variable and magnetic field variable have again the variation of amplitude and phase place, when receiving amplitude and the phase differential when finally determining portable equipment 110 be positioned at the accurate coordinate indoor map of current buildings on of positioning equipment 120 by analyzing radiofrequency signal, one has 12 near field radio frequency parameters (as shown in Figure 2) mutually revises, harmonizes, so that the coordinate accuracy that calculates is very high.
In the present embodiment, portable equipment 110 is three-dimensional coordinate at indoor map and the coordinate on the outdoor map of current buildings.The accurate coordinate that reception positioning equipment 120 can also calculate it is converted into latitude and longitude information and the absolute altitude information of precision.Above-mentioned conversion process also can be carried out in terminal server 130, at this moment, terminal server 130 is latitude and longitude information and the absolute altitude information that three-dimensional coordinate all is scaled precision with portable equipment 110 at indoor map and the coordinate on the outdoor map of current buildings.In other embodiments, portable equipment 110 is to comprise three-dimensional variable, positioning time variable and five dimension coordinates of absolute altitude height variable at the indoor map of current buildings and the coordinate on the outdoor map.
Indoor and outdoor positioning system 100 of the present utility model can comprise several portable equipments 110, each portable equipment 110 emission has the radiofrequency signal of fixed frequency, and the fixed frequency of the radiofrequency signal of each portable equipment 110 emissions is not identical, distinguishes the location so that receive positioning equipment 120.Indoor and outdoor positioning system 100 of the present utility model can comprise that several receive positioning equipment 120, when disposing a plurality of reception positioning equipment 120, can pay the utmost attention to the center that is deployed in each face of buildings and/or four diagonal line places (for the buildings in four directions, be example only below, be not used in restriction the utility model).Owing to can dispose a plurality of reception positioning equipments 120, therefore, the distance of the location that can realize is the farthest stack of communication distance.
Fig. 3 is the system chart of indoor and outdoor positioning system the second embodiment of the present utility model, as shown in Figure 3, in the present embodiment, system 100 also comprises display device 140, display device 140 is connected with terminal server 130, be used for to show the coordinate of portable equipment 110 on the outdoor map of current buildings, perhaps show the coordinate of described portable equipment 110 on the indoor map of current buildings, at movement locus and the coordinate on outdoor map of current Indoor environment.Real device 140 can be any terminal with Presentation Function, such as computer, mobile phone etc.In the present embodiment, all the other situations are identical with 100 first embodiment of system of the present utility model, do not repeat them here.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the claim scope of the present utility model.

Claims (7)

1. an indoor and outdoor positioning system is characterized in that, comprising:
Be arranged on the marker fixing or mobile in the buildings, be used for the portable equipment (110) of emitting radio frequency signal;
Be arranged at outside the buildings, be used for receiving the radiofrequency signal of described portable equipment (110) emission, calculate the reception positioning equipment (120) of the coordinate on the indoor map that described portable equipment (110) is positioned at current buildings according to described radiofrequency signal;
Receive described coordinate, call the outdoor map of the measured current buildings of the indoor map of current buildings and GPS or big-dipper satellite, according to the proportionate relationship of described indoor map and described outdoor map, be the terminal server (130) of the coordinate on the outdoor map with described coordinate conversion.
2. indoor and outdoor positioning system according to claim 1 is characterized in that, described portable equipment (110) comprises the first antenna sets, and described the first antenna sets comprises the antenna and the antenna that is used for the emission field signal that are used for the emission electric field signal.
3. indoor and outdoor positioning system according to claim 1, it is characterized in that, described reception positioning equipment (120) comprises that also described the second antenna sets comprises the antenna of the antenna of a horizontal polarization, a vertical polarization and the antenna of a radial polarised be used to the second antenna sets of the radiofrequency signal that receives described the first antenna sets emission.
4. indoor and outdoor positioning system according to claim 3 is characterized in that, the antenna of horizontal and vertical polarization is magnetic field antenna in described the second antenna sets, and the antenna of radial polarised is the electric field antenna.
5. indoor and outdoor positioning system according to claim 1 is characterized in that, described system also comprises: the display device (140) that is connected with described terminal server (130).
6. indoor and outdoor positioning system according to claim 1 is characterized in that, described system comprises several described portable equipments (110).
7. indoor and outdoor positioning system according to claim 1 is characterized in that, described system comprises several described reception positioning equipments (120).
CN 201220517515 2012-10-10 2012-10-10 Indoor and outdoor positioning system Expired - Fee Related CN202815228U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104640067A (en) * 2013-11-15 2015-05-20 国民技术股份有限公司 Communication device, system and method
CN104660353A (en) * 2013-11-15 2015-05-27 国民技术股份有限公司 Method, device and system for triggering data processing
CN105022077A (en) * 2015-01-20 2015-11-04 泰斗微电子科技有限公司 Indoor and outdoor hybrid positioning method and system
CN105101096A (en) * 2015-07-13 2015-11-25 北京超赞捷通网络科技有限公司 Method for enhancing positioning accuracy of position of supermarket store
CN105431710A (en) * 2013-08-13 2016-03-23 高通股份有限公司 Methods for seamless mobile use experience between outdoor and indoor maps
CN106658711A (en) * 2016-12-29 2017-05-10 上海华为技术有限公司 Target terminal positioning method and equipment
CN108445520A (en) * 2017-12-25 2018-08-24 达闼科技(北京)有限公司 A kind of indoor and outdoor based on high in the clouds builds drawing method, device, electronic equipment and computer program product

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105431710A (en) * 2013-08-13 2016-03-23 高通股份有限公司 Methods for seamless mobile use experience between outdoor and indoor maps
CN105431710B (en) * 2013-08-13 2018-10-19 高通股份有限公司 Method for the Seamless Mobile user experience between outdoor and indoor map
CN109059933A (en) * 2013-08-13 2018-12-21 高通股份有限公司 Method for the Seamless Mobile user experience between outdoor and indoor map
CN104640067A (en) * 2013-11-15 2015-05-20 国民技术股份有限公司 Communication device, system and method
CN104660353A (en) * 2013-11-15 2015-05-27 国民技术股份有限公司 Method, device and system for triggering data processing
CN104660353B (en) * 2013-11-15 2019-02-26 国民技术股份有限公司 A kind of data processing triggering method, apparatus and system
CN105022077A (en) * 2015-01-20 2015-11-04 泰斗微电子科技有限公司 Indoor and outdoor hybrid positioning method and system
CN105101096A (en) * 2015-07-13 2015-11-25 北京超赞捷通网络科技有限公司 Method for enhancing positioning accuracy of position of supermarket store
CN106658711A (en) * 2016-12-29 2017-05-10 上海华为技术有限公司 Target terminal positioning method and equipment
CN108445520A (en) * 2017-12-25 2018-08-24 达闼科技(北京)有限公司 A kind of indoor and outdoor based on high in the clouds builds drawing method, device, electronic equipment and computer program product

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20130320

Termination date: 20201010