CN105282696A - Personal positioning system and method based on mobile Internet - Google Patents
Personal positioning system and method based on mobile Internet Download PDFInfo
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- CN105282696A CN105282696A CN201410319347.2A CN201410319347A CN105282696A CN 105282696 A CN105282696 A CN 105282696A CN 201410319347 A CN201410319347 A CN 201410319347A CN 105282696 A CN105282696 A CN 105282696A
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Abstract
The present invention relates to an application system and a method of a radio frequency identification technology mobile Internet and mobile positioning technology and discloses a personal positioning system and a method based on a mobile Internet. The personal positioning system based on a mobile Internet comprises a radio frequency identification electronic tag unit (1), a mobile terminal (2) and a GIS server (3). The positioning method comprises a step of determining the positions of radio frequency electronic identification tags (11) in a selected area and distributing a fixed Idx (Idx, x is equal to 1 to n) for each radio frequency electronic identification tag (11), a step of sorting, a step of sorting the RSSI values r of received radio frequency electronic identification tags (11) signal Tagi (Tagi, i is equal to 1 to n) in the area range in the mobile terminal (2), and a step of checking whether an electronic tag positioner can be binded or not. According to the personal positioning system and the method based on a mobile Internet, through the LAN-based positioning technology, the mobile terminal is used to receive and send the signal of a radio frequency identification electronic tag, the person is effectively positioned and monitored, and the system and the method have the advantages of accurate positioning, convenience and quickness.
Description
Technical field
The present invention relates to application system and the method for radio RF recognition technology mobile Internet and Mobile Location Technology, particularly relate to a kind of personnel location system based on mobile Internet and method.
Background technology
At present, RFID technique is the abbreviation of RadioFrequencyIdentification, i.e. REID, is one and utilizes radiofrequency signal realized contactless information transmission by spatial electromagnetic coupling and passed through the technology that transmitted information reaches object identification.RFID technique is used widely in personnel positioning monitoring.Utilize RFID technique, effectively to the real-time locating and monitoring of personnel, certain personal security guarantee can be provided.
In the market based on mobile terminal positioning technology, main adopt architecture mode, also have GPS locate mode.Mobile base station locating area scope is large, and ratio of precision is poor, can only locate near certain base station, and mobile base station deployment density has relation, general more than 50 meters of positioning precision.Local locating effect spacious outside GPS orientation room is all right, sometimes positioning precision can reach 10 meters, but can not effective location height, at some special occasions, the such as dark very difficult location such as woods, mountain area, the gps signal received on the one hand is too weak, in addition, can not the concrete height of effective location, indoorly just more can not to located with GPS.
Along with development of Mobile Internet technology is fast-developing, if there is a kind of technology can technology of Internet of things and mobile terminal combine with technique, by mobile terminal Direct Recognition locator card, current location information is obtained by mobile Internet access GIS server, the more development spaces of such Internet of Things real time positioning technology, application scenarios is wider.Particularly indoor positioning technologies proposes a kind of better solution.
Summary of the invention
The present invention is directed to locating area scope in mobile base station in prior art large, ratio of precision is poor, can only locate near certain base station, and mobile base station deployment density has relation, general more than 50 meters of positioning precision; GPS can not effective location height, at some special occasions, the buildings of such as dark woods, mountain area and concrete height etc. cannot by shortcomings such as GPS locate, provide a kind of based on local area network (LAN) location technology, utilize RFID technique, can effectively to the personnel location system based on mobile Internet and the method for the real-time locating and monitoring of personnel.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
Based on the personnel location system of mobile Internet, comprise radio frequency recognizing electronic label unit, mobile terminal, GIS server;
Radio frequency recognizing electronic label unit comprises more than one radio frequency recognizing electronic label, and radio frequency recognizing electronic label periodic transmission is with the radio broadcasting signal of radio-frequency identification code;
Mobile terminal comprises radio-frequency identification reader/writer and signal transceiver;
Radio-frequency identification reader/writer is used for the radio broadcasting signal that received RF identification electronic tag is launched, signal transceiver and GIS server unit by wireless wifi or mobile communication technology 2G 3G 4G network carry out transfer of data.
As preferably, radio frequency recognizing electronic label is wfi radio frequency recognizing electronic label, active RFID radio frequency recognizing electronic label, Zigbee radio frequency recognizing electronic label or Bluetooth RF identification electronic tag.
As preferably, radio frequency recognizing electronic label comprises power supply, MCU central processing unit, radio transmitting and receiving chip and antenna.
As preferably, radio frequency recognizing electronic label near mobile terminal is read by radio-frequency identification reader/writer, carries out data exchange processing by signal transceiver and GIS server.
As preferably, mobile terminal is smart mobile phone, the built-in radio-frequency identification reader/writer module of smart mobile phone, and installs radio-frequency identification reader/writer APP and apply, and the radio frequency recognizing electronic label broadcast singal that smart mobile phone will scan, uploads to GIS location-server unit.
As preferably, the signal transceiver of mobile terminal is built in smart mobile phone, and radio-frequency identification reader/writer is the radio frequency identification read-write module connected by smart mobile phone USB interface, completes radio frequency recognizing electronic label read by radio frequency identification read-write module.
As preferably, GIS server unit comprises Web server, location-server and database server.Web server provides mobile terminal web access, monitors in real time, position enquiring, trace playback, location navigation, information pushing, map denotation; Location-server completes data according to specific Precision Orientation Algorithm and calculates and process, GIS place information inquiry and service, location-based service api interface etc.; Database server is used for the storage and management of GIS data.Mobile terminal 1 is directly accessed GIS server by mobile Internet Web mode and is obtained positional information and service, the server push positional information that GIS server also can be specified to mobile terminal and user and other data messages.
Based on the personnel positioning method of mobile Internet, comprise the above-mentioned personnel location system based on mobile Internet, after the data that GIS server mobile terminal receive sends, position by the following method:
1., determine the position of radio frequency recognizing electronic label in selection area, and distribute fixing IDxIDx, x=1 to each radio frequency recognizing electronic label ... n;
2., sort: the signal of the radio frequency recognizing electronic label IDx that mobile terminal receives within the scope of selection area is TagiTagi, i=1, n, according to the actual path determination Actual path of mobile terminal process, sorts according to Actual path radio frequency identification electronic tag IDx; The radio frequency recognizing electronic label judging to receive signal Tagi whether with realistic path, if do not meet Actual path, then the RSSI data of this label signal received, do not participate in location;
3., Tag is bound:
At the Tagi (Tagi in realistic path, i=1, n) the signal Tagr of strongest rssi values is found in, the radio frequency recognizing electronic label determining corresponding Tagr is IDk, judge whether the RSSI value of Tagr is greater than the binding condition set by RSSI value of radio frequency recognizing electronic label IDk place Tag: if RSSI value is greater than the set point of Tagr, then meet the condition of Tag binding, so determine that mobile terminal is positioned on the location point of Tagr, positioning states is: determine, direct display radio frequency recognizing electronic label Idk is positioning result, exits this location.
The judgement of Actual path is the distribution according to road, and the inevitable order according to walking of mobile terminal, successively through respective radio-frequency identification electronic tag, determines Actual path with this.The degree of strength of signal Tagi is RSSI data.
Step 3. in, if RSSI value is less than the set point of Tag, then do not meet binding Tag condition, proceed to step 4.:
4., historical data and adjacent position point RSSI changing value
Add up the corresponding RSSI value of radio frequency recognizing electronic label IDx in all realistic paths, contrast history RSSI value and the adjacent radio frequency identification electronic tag location point RSSI change in signal strength value of all radio frequency recognizing electronic label Idx, if RSSI change in signal strength value is greater than the particular value of setting, then start new location, location point is updated to the strongest radio frequency recognizing electronic label position of the corresponding RSSI in realistic path; If RSSI change in signal strength value is less than or equal to the particular value of set point, then do not carry out location point renewal;
5., judge that whether RSSI value is too small
Circulate in current TAGi, statistical signal intensity RSSI value, if all RSSI value in realistic path all do not reach particular value, now position is positioned on radio frequency recognizing electronic label Idx position corresponding to wherein maximum RSSI signal strength signal intensity: if do not receive any electronic labeling information, namely RSSI value data are not had to pass to server, now, mobile terminal locations cannot judge, is in vanishing state.
The particular value of set point is RSSI intensity level, and it is determined according to the distance between mobile terminal and radio frequency recognizing electronic label, the RSSI intensity level when spacing being generally mobile terminal and radio frequency recognizing electronic label is 5m.But when actual set, need specifically to set according to the position of radio frequency recognizing electronic label.
Whether the label first received coincide with Actual path track, and at least receive the electronic tag signal that meets trajectory path, and RSSI signal strength signal intensity is greater than the particular value of setting, now mobile terminal locations directly binds this label; If the label RSSI value of all realistic trajectory path received all does not reach the particular value of setting, get maximum value binding; If do not receive any label information, do not have RSSI value to pass to server, then cannot locate, mobile terminal locations cannot judge, is in vanishing state.Calculated by backstage location-server, judge whether to coincide with Actual path, more whether meet enable position point update condition with history RSSI value, mobile phone obtains positional information by access background server.
First judge whether realistic motion track, if misfitted with actual path path, can not start new location, that is positional information remains unchanged.Even if other positional information RSSI signal strength signal intensities are greater than position RSSI signal strength signal intensity, now also location point is still constant.Realistic motion track, mobile terminal is positioned in the strongest label position of RSSI signal strength signal intensity.Start time new positioning instant location point upgrades and also need to compare with history and adjacent label RSSI value, whether meet location updating requirement.If meet location point more new demand, then start new location.Whether location point update condition judges: first coincide with actual path path, secondly whether meets binding tab requirement, if RSSI value reaches set point, then starts location immediately.If all realistic trajectory path RSSI value all do not reach binding set point, then whether contrast historical data and adjacent R SSI changing value reach set point, if RSSI value reaches the change particular value requirement of setting, then start new location, location point is updated to the strongest qualified RSSI value corresponding label position.
Because radiofrequency signal can through walls, can gully, river etc. be crossed over, but people can only walk along actual path.Do not have door, do not have road, do not have bridge, people cannot pass through.Can only walk according to actual path, so when starting new location, location point upgrades and first will judge whether to coincide with actual path path, and judge which RSSI value is valid data, which RSSI value is invalid data.For invalid data, do not participate in location.
6., circumstance of occlusion is judged
Circumstance of occlusion has following several:
Judge whether that hand blocks: when hand blocks completely, RSSI value can reduce;
Judge whether to turn round: when turning round, the RSSI of the strongest AP can reduce;
7. motion track situation, is judged
Judge whether actual motion track meets the motion track of setting by motion track reference point, motion track reference point is real road distribution or path, if coincide, then starts new location, if misfitted, enable position point does not upgrade.
8., historical data and adjacent position point RSSI changing value
When starting position location point switching, contrast history adjacent radio frequency identification electronic tag location point RSSI change in signal strength value, if RSSI change in signal strength value is greater than set point, then start new location, location point upgrades; If RSSI change in signal strength value is less than or equal to set point, then do not carry out location point renewal;
9. this result result, is recorded
Preserve this RSSI value, positioning result, wait for and calculate use next time.
Each location point fixes a radio frequency recognizing electronic label, and this label can be wifi electronic tag, Zigbee electronic tag, RFID, Bluetooth electronic label.Electronic tag is as locator, mobile phone directly obtains No. ID or MAC Address of electronic tag, the label received No. ID or MAC Address, comprise No. ID or MAC Address of mobile phone self, and the RSSI signal strength values of corresponding label that receives of mobile phone by mobile Internet can be WLAN (wireless local area network) wifi or mobile 2G 3G 4G data upload to the GIS location-server day after tomorrow, location-server is responsible for calculating and judging positional information.Directly mobile phone position information is pushed to mobile phone, also can passes through mobile phone access GIS day after tomorrow location-server active obtaining positional information.
The present invention is owing to have employed above technical scheme, there is significant technique effect: the present invention passes through based on local area network (LAN) location technology, utilize mobile-terminated by the signal with transmission radio frequency recognizing electronic label, can effectively to the real-time locating and monitoring of personnel, there is accurate positioning, the advantage such as convenient and swift.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is localization method schematic diagram in the embodiment of the present invention 2.
Fig. 3 is the demonstration graph of Actual path in the embodiment of the present invention 3.
The toponym that in above accompanying drawing, each number designation refers to is as follows: wherein 1-radio frequency recognizing electronic label unit, 2-mobile terminal, 3-GIS server, 11-radio frequency recognizing electronic label, 21-radio-frequency identification reader/writer, 22-signal transceiver, 31-Web server, 32-location-server, 33-database server.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with accompanying drawing 1 to Fig. 2:
embodiment 1
Based on the personnel location system of mobile Internet, as shown in Figure 1, radio frequency recognizing electronic label unit 1, mobile terminal 2, GIS server 3 is comprised;
Radio frequency recognizing electronic label unit 1 comprises more than one radio frequency recognizing electronic label 11, and radio frequency recognizing electronic label 11 periodic transmission is with the radio broadcasting signal of radio-frequency identification code;
Mobile terminal 2 comprises radio-frequency identification reader/writer 21 and signal transceiver 22;
The radio broadcasting signal that radio-frequency identification reader/writer 21 is launched for received RF identification electronic tag 11, signal transceiver 22 and GIS server unit 3 by wireless wifi or mobile communication technology 2G 3G 4G network carry out transfer of data.The present invention is applicable to GPS accurately can not locate occasion, based on local area network (LAN) location technology, is especially applied in tourist attraction location, market indoor positioning etc.By this invention, can to the accurate position & navigation service of mobile terminal within the scope of local area network (LAN).In addition, by mobile phone access GIS server, the functions such as data message inquiry and service are obtained.
Radio frequency recognizing electronic label 11 is wfi radio frequency recognizing electronic label, active RFID radio frequency recognizing electronic label, Zigbee radio frequency recognizing electronic label or Bluetooth RF identification electronic tag.Radio frequency recognizing electronic label unit 1 comprises several radio frequency recognizing electronic labels 11, and radio frequency recognizing electronic label 11 periodically sends the radio frequency signal with identity code and address code; Mobile terminal 2 radio-frequency identification reader/writer unit is connected by mobile Internet and GIS server 3, and mobile terminal 2 comprises frequency read/write 21, APP client application software, signal transceiver 22.Mobile terminal 22 is by running cell-phone customer terminal APP application 23, radio-frequency identification reader/writer 21 automatic acquisition radio frequency recognizing electronic label 11 information, and by wireless wifi or mobile communication 2G/3G/4G technology, by mobile Internet, message is uploaded to GIS server unit 3.
Radio frequency recognizing electronic label 11 comprises power supply, MCU central processing unit, radio transmitting and receiving chip and antenna.Mobile terminal 2 reads neighbouring radio frequency recognizing electronic label 11 by radio-frequency identification reader/writer 21, carries out data exchange processing by signal transceiver 22 and GIS server 3.
Mobile terminal 2 is smart mobile phone, the built-in radio-frequency identification reader/writer module of smart mobile phone, and installs radio-frequency identification reader/writer APP and apply, and radio frequency recognizing electronic label 11 broadcast singal that smart mobile phone will scan, uploads to GIS location-server unit 3.Frequency read/write 21 can be integrated in smart mobile phone mobile terminal, also can be connected with frequency read/write 21 by the USB interface that smart mobile phone is plug-in.
The signal transceiver 22 of mobile terminal 2 is built in smart mobile phone, and radio-frequency identification reader/writer 21 is the radio frequency identification read-write module connected by smart mobile phone USB interface, completes radio frequency recognizing electronic label 1 read by radio frequency identification read-write module.
GIS server unit 3 comprises Web server 31, location-server 32 and database server 33.GIS server unit 3 is cores of mobile Internet personnel positioning and navigation system, comprises Web server 31, location-server 32 and database server 33.Web server 31 provides mobile terminal web access, integrates the function of real-time monitoring, position enquiring, trace playback, location navigation, information pushing, map denotation; Location-server 32 completes data according to specific Precision Orientation Algorithm and calculates and process, GIS place information inquiry and service, location-based service api interface; Database server 33 is for the storage and management of GIS data.GIS server 3 receives from after mobile terminal radio frequency identification read write line unit 2 data, be stored in database server 33, location-server 32 is responsible for processing the data received, complete mobile terminal positioning function, mobile terminal 22 is by functions such as access Web server 31 Real-time Obtaining location information of mobile terminal, electronic chart scene information, navigation of electronic map function, data message inquiry and services.
embodiment 2
Based on the personnel positioning method of mobile Internet, comprise the above-mentioned personnel location system based on mobile Internet, after the data that GIS server 3 mobile terminal receive 2 sends, position by the following method:
1., determine the position of radio frequency recognizing electronic label 11 in selection area, and distribute fixing IDxIDx, x=1 to each radio frequency recognizing electronic label 11 ... n;
2., sort: the signal of the radio frequency recognizing electronic label 11IDx that mobile terminal 2 receives within the scope of selection area is TagiTagi, i=1, n, according to the actual path determination Actual path of mobile terminal 2 process, sorts according to Actual path radio frequency identification electronic tag 11IDx; The radio frequency recognizing electronic label 11 judging to receive signal Tagi whether with realistic path, if do not meet Actual path, then the RSSI data of this label signal received, do not participate in location;
3., Tag is bound:
At the Tagi (Tagi in realistic path, i=1, n) the signal Tagr of strongest rssi values is found in, determine that the radio frequency recognizing electronic label 11 of corresponding Tagr is IDk, judge whether the RSSI value of Tagr is greater than the binding condition set by RSSI value of radio frequency recognizing electronic label 11IDk place Tag: if RSSI value is greater than the set point of Tagr, then meet the condition of Tag binding, so determine that mobile terminal 2 is positioned on the location point of Tagr, positioning states is: determine, direct display radio frequency recognizing electronic label 11Idk is positioning result, exits this location.
The judgement of Actual path is the distribution according to road, and the inevitable order according to walking of mobile terminal 2, successively through respective radio-frequency identification electronic tag 11, determines Actual path with this.The degree of strength of signal Tagi is RSSI data.
Step 3. in, if RSSI value is less than the set point of Tag, then do not meet binding Tag condition, proceed to step 4.:
4., historical data and adjacent position point RSSI changing value
Add up the corresponding RSSI value of radio frequency recognizing electronic label 11IDx in all realistic paths, contrast history RSSI value and the adjacent radio frequency identification electronic tag 1 location point RSSI change in signal strength value of all radio frequency recognizing electronic label 11Idx, if RSSI change in signal strength value is greater than the particular value of setting, then start new location, location point is updated to the strongest radio frequency recognizing electronic label 11 position of the corresponding RSSI in realistic path; If RSSI change in signal strength value is less than or equal to the particular value of set point, then do not carry out location point renewal;
5., judge that whether RSSI value is too small
Circulate in current TAGi, statistical signal intensity RSSI value, if all RSSI value in realistic path all do not reach particular value, now position is positioned on radio frequency recognizing electronic label 11Idx position corresponding to wherein maximum RSSI signal strength signal intensity: if do not receive any electronic labeling information, namely RSSI value data are not had to pass to server, now, mobile terminal locations cannot judge, is in vanishing state.
The particular value of set point is RSSI intensity level, and it is determined according to the distance between mobile terminal 2 and radio frequency recognizing electronic label 11, is generally RSSI intensity level when mobile terminal 2 is 5m with the spacing of radio frequency recognizing electronic label 11.But when actual set, need specifically to set according to the position of radio frequency recognizing electronic label 11.
Whether the label first received coincide with Actual path track, and at least receive the electronic tag signal that meets trajectory path, and RSSI signal strength signal intensity is greater than the particular value of setting, now mobile terminal locations directly binds this label; If the label RSSI value in all and actual path path received all does not reach the particular value of setting, get maximum value binding; If do not receive any label information, do not have RSSI value to pass to server, then cannot locate, mobile terminal locations cannot judge, is in vanishing state.Calculated by backstage location-server, judge whether to coincide with Actual path, more whether meet enable position point update condition with history RSSI value, mobile phone obtains positional information by access background server.
First judge whether realistic motion track, if misfitted with actual path path, can not start new location, that is positional information remains unchanged.Even if other positional information RSSI signal strength signal intensities are greater than position RSSI signal strength signal intensity, now also location point is still constant.Realistic motion track, mobile terminal is positioned in the strongest label position of RSSI signal strength signal intensity.Start time new positioning instant location point upgrades and also need to compare with history and adjacent label RSSI value, whether meet location updating requirement.If meet location point more new demand, then start new location.Whether location point update condition judges: first coincide with actual path path, secondly whether meets binding tab requirement, if RSSI value reaches set point, then starts location immediately.If all realistic trajectory path RSSI value all do not reach binding set point, then whether contrast historical data and adjacent R SSI changing value reach set point, if RSSI value reaches the change particular value requirement of setting, then start new location, location point is updated to the strongest qualified RSSI value corresponding label position.
Because radiofrequency signal can through walls, can gully, river etc. be crossed over, but people can only walk along actual path.Do not have door, do not have road, do not have bridge, people cannot pass through.Can only walk according to actual path, so when starting new location, location point upgrades and first will judge whether to coincide with actual path path, and judge which RSSI value is valid data, which RSSI value is invalid data.For invalid data, do not participate in location.
6., circumstance of occlusion is judged
Circumstance of occlusion has following several:
Judge whether that hand blocks: when hand blocks completely, RSSI value can reduce;
Judge whether to turn round: when turning round, the RSSI of the strongest AP can reduce;
7. motion track situation, is judged
Judge whether actual motion track meets the motion track of setting by motion track reference point, motion track reference point is real road distribution or path, if coincide, then starts new location, if misfitted, enable position point does not upgrade.
8., historical data and adjacent position point RSSI changing value
When starting position location point switching, contrast history adjacent radio frequency identification electronic tag 1 location point RSSI change in signal strength value, if RSSI change in signal strength value is greater than set point, then start new location, location point upgrades; If RSSI change in signal strength value is less than or equal to set point, then do not carry out location point renewal;
9. this result result, is recorded
Preserve this RSSI value, positioning result, wait for and calculate use next time.
Each location point fixes a radio frequency recognizing electronic label, and this label can be wifi electronic tag, Zigbee electronic tag, RFID, Bluetooth electronic label.Electronic tag is as locator, mobile phone directly obtains No. ID or MAC Address of electronic tag, the label received No. ID or MAC Address, comprise No. ID or MAC Address of mobile phone self, and the RSSI signal strength values of corresponding label that receives of mobile phone by mobile Internet can be WLAN (wireless local area network) wifi or mobile 2G 3G 4G data upload to the GIS location-server day after tomorrow, location-server is responsible for calculating and judging positional information.Directly mobile phone position information is pushed to mobile phone, also can passes through mobile phone access GIS day after tomorrow location-server active obtaining positional information.
embodiment 3
Based on personnel's indoor orientation method of mobile Internet, this enforcement illustrates with indoor room location, and room is set as 3, is distributed as A room, B room, C room, in addition one, corridor.As shown in Figure 3:
Require accurately certain room concrete, location, as can be seen from the figure, from A room to B room, must first go out A room door, behind TagD position, corridor, just can enter B room, go to C room must again through TagE position, corridor.Suppose that people's current location is in A room, by body effect, now the TagB signal strength values that gets of mobile phone is sometimes higher than the signal strength values of the TagA received, but because location point is not updated to TagD position, so now no matter TagB position RSSI value is strong again, system can not start new location, and location point can not upgrade, and still mobile phone is positioned in A room.After only walking out A room, compared by TagD position RSSI value and TagA position RSSI value, if TagD position RSSI value reaches binding condition, then location point is updated to TagD position at once.If the RSSI value of TagA and TagD position does not all reach bound values, whether system will reach the requirement of changing value set point according to the RSSI changing value of TagA and TagD position, if RSSI value changing value meets set point requirement, and the RSSI value of TagD position is greater than the RSSI value of TagA location point, then mobile phone location point is updated to TagD position at once.After only having location point to be updated to TagD position, be just likely positioned in B room.Because people is from A room to B room, must first through TagD position, corridor.From B room to C room, also have to pass through TagE position, corridor.TagD position, corridor and TagE position are exactly the transition point of location, room, by that analogy.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (9)
1., based on the personnel location system of mobile Internet, it is characterized in that:
Comprise radio frequency recognizing electronic label unit (1), mobile terminal (2), GIS server (3);
Radio frequency recognizing electronic label unit (1) comprises more than one radio frequency recognizing electronic label (11), and radio frequency recognizing electronic label (11) periodic transmission is with the radio broadcasting signal of radio-frequency identification code;
Mobile terminal (2) comprises radio-frequency identification reader/writer (21) and signal transceiver (22);
The radio broadcasting signal that radio-frequency identification reader/writer (21) is launched for received RF identification electronic tag (11), signal transceiver (22) and GIS server unit (3) by wireless wifi or mobile communication technology 2G 3G 4G network carry out transfer of data.
2. the personnel location system based on mobile Internet according to claim 1, is characterized in that: radio frequency recognizing electronic label (11) is wfi radio frequency recognizing electronic label, active RFID radio frequency recognizing electronic label, Zigbee radio frequency recognizing electronic label or Bluetooth RF identification electronic tag.
3. the personnel location system based on mobile Internet according to claim 1, is characterized in that: radio frequency recognizing electronic label (11) comprises power supply, MCU central processing unit, radio transmitting and receiving chip and antenna.
4. the personnel location system based on mobile Internet according to claim 1, it is characterized in that: radio frequency recognizing electronic label (11) near mobile terminal (2) is read by radio-frequency identification reader/writer (21), carry out data exchange processing by signal transceiver (22) and GIS server (3).
5. the personnel location system based on mobile Internet according to claim 4, it is characterized in that: mobile terminal (2) is smart mobile phone, the built-in radio-frequency identification reader/writer module of smart mobile phone, and radio-frequency identification reader/writer APP is installed applies, radio frequency recognizing electronic label (11) broadcast singal that smart mobile phone will scan, uploads to GIS location-server unit (3).
6. the personnel location system based on mobile Internet according to claim 4, it is characterized in that: the signal transceiver (22) of mobile terminal (2) is built in smart mobile phone, radio-frequency identification reader/writer (21) is the radio frequency identification read-write module connected by smart mobile phone USB interface, completes radio frequency recognizing electronic label (1) read by radio frequency identification read-write module.
7. the personnel location system based on mobile Internet according to claim 1, is characterized in that:
GIS server unit (3) comprises Web server (31), location-server (32) and database server (33).
8. based on the personnel positioning method of mobile Internet, comprise the personnel location system based on mobile Internet according to claim 1, it is characterized in that: after the data that GIS server (3) mobile terminal receive (2) sends, position by the following method:
1., determine the position of radio frequency recognizing electronic label in selection area (11), and distribute fixing IDx(IDx, x=1 to each radio frequency recognizing electronic label (11) ... n);
2., sort: the signal of radio frequency recognizing electronic label (11) IDx that mobile terminal (2) receives within the scope of selection area is Tagi(Tagi, i=1, n), according to the actual path determination Actual path of mobile terminal (2) process, sort according to Actual path radio frequency identification electronic tag (11) IDx; The radio frequency recognizing electronic label (11) judging to receive signal Tagi whether with realistic path, if do not meet Actual path, then the RSSI data of this label signal received, do not participate in location;
3., Tag is bound:
At the Tagi (Tagi in realistic path, i=1, n) the signal Tagr of strongest rssi values is found in, the radio frequency recognizing electronic label (11) determining corresponding Tagr is IDk, judge whether the RSSI value of Tagr is greater than the binding condition set by RSSI value of radio frequency recognizing electronic label (11) IDk place Tag: if RSSI value is greater than the set point of Tagr, then meet the condition of Tag binding, so determine that mobile terminal (2) is positioned on the location point of Tagr, positioning states is: determine, direct display radio frequency recognizing electronic label (11) Idk is positioning result, exit this location.
9. the personnel positioning method based on mobile Internet according to claim 8, is characterized in that: described step 3. in, if RSSI value is less than the set point of Tag, then do not meet binding Tag condition, proceed to step 4.:
4., historical data and adjacent position point RSSI changing value
Add up the corresponding RSSI value of radio frequency recognizing electronic label (11) IDx in all realistic paths, contrast history RSSI value and adjacent radio frequency identification electronic tag (1) the location point RSSI change in signal strength value of all radio frequency recognizing electronic labels (11) Idx, if RSSI change in signal strength value is greater than the particular value of setting, then start new location, location point is updated to the strongest radio frequency recognizing electronic label (11) position of the corresponding RSSI in realistic path; If RSSI change in signal strength value is less than or equal to the particular value of set point, then do not carry out location point renewal;
5., judge that whether RSSI value is too small
Circulate in current TAGi, statistical signal intensity RSSI value, if all RSSI value in realistic path all do not reach particular value, now position is positioned on radio frequency recognizing electronic label (11) Idx position corresponding to wherein maximum RSSI signal strength signal intensity: if do not receive any electronic labeling information, namely RSSI value data are not had to pass to server, now, mobile terminal locations cannot judge, is in vanishing state.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN106941657A (en) * | 2017-04-06 | 2017-07-11 | 胡绪健 | A kind of indoor positioning device of the full-automation with WiFi function |
| CN107273678A (en) * | 2017-06-09 | 2017-10-20 | 张碧波 | A kind of food nourishment composition based on smart mobile phone automatically analyzes calculating system |
| CN108267758A (en) * | 2016-12-30 | 2018-07-10 | 沈阳美行科技有限公司 | A kind of vehicle location, air navigation aid and device and related system, application |
| CN108616811A (en) * | 2018-07-09 | 2018-10-02 | 上海晶曦微电子科技有限公司 | A kind of management server, electronic price label and positioning terminal |
| CN109117903A (en) * | 2018-07-23 | 2019-01-01 | 深圳市欧辰技术有限公司 | A kind of positioning device |
| CN109348465A (en) * | 2018-11-27 | 2019-02-15 | 上海网频电子科技有限公司 | Internet localization method based on Internet of Things perception |
| CN111757269A (en) * | 2019-03-27 | 2020-10-09 | 株式会社野村综合研究所 | User position information detection tracking system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105788020A (en) * | 2016-04-22 | 2016-07-20 | 吴乾 | Guard personnel monitoring system and method based on Internet of Things |
| CN108267758A (en) * | 2016-12-30 | 2018-07-10 | 沈阳美行科技有限公司 | A kind of vehicle location, air navigation aid and device and related system, application |
| CN106941657A (en) * | 2017-04-06 | 2017-07-11 | 胡绪健 | A kind of indoor positioning device of the full-automation with WiFi function |
| CN107273678A (en) * | 2017-06-09 | 2017-10-20 | 张碧波 | A kind of food nourishment composition based on smart mobile phone automatically analyzes calculating system |
| CN108616811A (en) * | 2018-07-09 | 2018-10-02 | 上海晶曦微电子科技有限公司 | A kind of management server, electronic price label and positioning terminal |
| CN109117903A (en) * | 2018-07-23 | 2019-01-01 | 深圳市欧辰技术有限公司 | A kind of positioning device |
| CN109348465A (en) * | 2018-11-27 | 2019-02-15 | 上海网频电子科技有限公司 | Internet localization method based on Internet of Things perception |
| CN111757269A (en) * | 2019-03-27 | 2020-10-09 | 株式会社野村综合研究所 | User position information detection tracking system |
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