CN203658587U - Indoor accurate cellphone-positioning system based on GPS signal - Google Patents
Indoor accurate cellphone-positioning system based on GPS signal Download PDFInfo
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- CN203658587U CN203658587U CN201320830314.5U CN201320830314U CN203658587U CN 203658587 U CN203658587 U CN 203658587U CN 201320830314 U CN201320830314 U CN 201320830314U CN 203658587 U CN203658587 U CN 203658587U
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Abstract
The utility model provides an indoor accurate cellphone-positioning system based on a GPS signal, and the system comprises an outdoor receiving positioner, an indoor RFID module, and a cellphone which is equipped with an RFID signal reader in a built-in manner. The outdoor receiving positioner comprises a receiving antenna, a GPS positioning chip, and a wireless transmitting circuit. The indoor RFID module comprises a wireless receiving circuit, an RFID tag write circuit, and an RFID tag. The system provided by the utility model makes comprehensive use of the technologies of GPS positioning and near-field communication, achieves the accurate positioning of an indoor cellphone based on a received GPS satellite signal, and is especially suitable for being installed in a large-scale public building.
Description
Technical field
The utility model relates to mobile communication technology, more specifically, relates to a kind of indoor accurate mobile phone positioning system based on gps signal.
Background technology
At present, smart mobile phone, by application location technology, can provide for user the many services such as digital map navigation, location-based weather forecast or information pushing.The location technology of main flow comprises GPS location and cell identification location at present.
GPS realizes by GPS location.This system has 24 satellites, operates in apart from earth's surface in more than 10,000 kilometers tracks, and the gps satellite signal that comprises satellite championship to earth transmission constantly; The design of satellite orbit can ensure can receive with any point on earth's surface at any time the gps satellite signal of at least four satellite launchs.After uphole equipment receives each road gps satellite signal by GPS positioning chip, the time difference computing equipment arriving according to each road signal and the distance of each satellite, and then with reference to the residing longitude and latitude of satellite championship estimation apparatus.GPS location has feature fast, accurately, and the supported positioning precision of civilian GPS positioning chip generally can reach several meters to tens of rice.At present GPS positioning chip has all been implanted in all smart mobile phone inside on the market, thereby can utilize GPS to realize self poisoning, and and then enjoys various location-based services.But, gps satellite signal arrive when earth's surface intensity relatively a little less than, cannot penetrate the barriers such as building masonry wall, therefore can only be applicable to open air and vehicle positioning, and when indoor, just can not realize based on GPS technology self location when mobile phone.
Because mobile communications network is divided into some cellular cells adjacent one another are, mobile phone is always by some cellular cells accessing mobile communication network wherein and realize phone, note and data transmission, therefore can obtain its geographic position by judging in the current coverage that is in which cellular cell of mobile phone, cell identification that Here it is location.Mobile phone is in the indoor mobile communication that also can realize, and therefore cell identification location also can be applicable to indoor environment certainly.But the cellular cell at mobile phone place can only be known in this location, can not and then judge which within the scope of this cellular cell of mobile phone more specifically on position, more cannot be accurate to longitude and latitude.Because the covering radius of cellular cell likely reaches tens of kilometers, therefore the precision of cell identification location is lower, cannot meet under many circumstances cellphone subscriber's demand.
In indoor environment, the needed positioning service of user is generally higher than open air or vehicle positioning to the requirement of precision.For example, user may need indoor digital map navigation in the time being in large-scale museum, terminal or shopping center, to go to certain exhibition room, boarding gate or shops from current indoor location.Obviously the precision of cell identification location does not reach requirement at all, and GPS location can not be in indoor application, and this makes under prior art, and the mobile phone of indoor environment accurately location is difficult to realize.
Utility model content
For above-mentioned defect of the prior art, the utility model provides a kind of indoor accurate mobile phone positioning system based on gps signal, this system synthesis has been used GPS location and near-field communication technology, realize gps satellite signal based on outdoor reception and carried out indoor mobile phone and accurately locate, be particularly suitable for being installed in large public building.
Indoor accurate mobile phone positioning system based on gps signal described in the utility model, it is characterized in that, comprise the mobile phone of outdoor reception steady arm, indoor RFID module and built-in RFID signal reader, wherein said outdoor reception steady arm comprises receiving antenna, GPS positioning chip, radio transmitter, wherein said GPS positioning chip receives gps satellite signal by described receiving antenna and obtains the positional information of self by location, positional information described in described radio transmitter connection GPS positioning chip wireless transmit; Described indoor RFID module comprises wireless receiving circuit, RFID label write circuit, RFID label, wherein said wireless receiving circuit receives described positional information, described RFID label write circuit connects described wireless receiving circuit to read described positional information, and positional information is write to described RFID label; The mobile phone of described built-in RFID signal reader reads the positional information in described RFID label while entering in the coverage of described RFID label.
Preferably, system of the present utility model comprises that several are laid in the described outdoor reception steady arm on buildings diverse location, and each outdoor reception steady arm and described at least one indoor RFID module match.
Further preferably, described indoor RFID module comprises some to described RFID label write circuit and RFID label.
Further preferably, each described RFID label write circuit is connected to described wireless receiving circuit by serial data line, and described serial data line is UART data line.
Further preferably, described RFID label is active type RFID label.
Further preferably, described indoor RFID module comprises initialize data storer, and described RFID label write circuit connects this initialize data storer to initialize data is wherein write to inserting RFID tags.
Visible, the utility model utilizes gps satellite signal to position by outdoor reception steady arm, and makes mobile phone obtain locating information indoor by RFID technology.The coverage that must enter RFID signal transmission due to mobile phone is with the interior locating information that just can obtain, ensure that longitude and latitude that locating information that mobile phone reads is actual with it is within rational error range, can reflect the physical location of mobile phone more accurately, reach the application standard of indoor positioning.And, configure respectively outdoor reception steady arm separately by the zones of different to building or unit, and the indoor RFID module that setting and each outdoor reception steady arm match, the positional information obtaining can be make mobile phone move time, constantly updated between the effective coverage of different indoor RFID modules, the high-precision application demands such as indoor navigation can be met.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the overall system structure schematic diagram according to the utility model embodiment;
Fig. 2 is the outdoor reception locator structure schematic diagram according to the utility model embodiment;
Fig. 3 is the indoor RFID modular structure schematic diagram according to the utility model embodiment.
Embodiment
In order to make those skilled in the art person understand better the technical solution of the utility model, and above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with embodiment and embodiment accompanying drawing, the utility model is described in further detail.
Fig. 1 is the overall system structure schematic diagram according to the utility model embodiment.Referring to Fig. 1, the indoor accurate mobile phone positioning system based on gps signal described in the utility model comprises the mobile phone 30 of outdoor reception steady arm 10, indoor RFID module 20 and built-in RFID signal reader.Outdoor reception steady arm 10 is arranged in buildings outside, and for example roof or be suspended on body of wall outer wall adopts self independent current source power supply, preferably uses the solar panel etc. can be from the power supply of electric power storage, to avoid manual maintenance frequently.Outdoor reception steady arm 10 can receive gps satellite signal and carry out the location to self, obtains the positional information of longitude and latitude form.For buildings such as general residential buildings, can in every building, lay a described outdoor reception steady arm 10, but for the larger public building of floor area, as station, museum, shopping center, terminal, stadium etc., can lay respectively some at the diverse location of buildings, corresponding different region, unit etc.; Figure 1 illustrates two described outdoor reception steady arms 10.Outdoor reception steady arm 10 sends to indoor in the mode of radio communication by the positional information of self, owing to being communication within the scope of same building, only need suitable signal intensity just can penetrate the obstacles such as wall and cover whole interior spaces, do not need excessive emissive power, be conducive to saves energy and reduce radiation.Each outdoor reception steady arm 10 matches with indoor RFID module 20 described at least one, each in two outdoor reception steady arms 10 matches with two indoor RFID modules 20 respectively as can be seen from Fig. 1, and for example two indoor RFID modules 20 can be laid on the different floors under same longitude and latitude.Matching refers to outdoor reception steady arm 10 and indoor RFID module 20 and approaches on locus, and longitude and latitude of living in is more or less the same, and the two has matching in wireless signal sending and receiving.For example the outdoor reception steady arm 10 of two in Fig. 1 can be operated in respectively on different wireless frequency or time slot, thereby two indoor RFID modules 20 that every positional information of launching only can be matched are received, and can be by other two indoor RFID module 20 received.Every indoor RFID module 20 all has its limited coverage separately, and coverage is respectively not overlapping, allows to exist certain blank gap.In this coverage, indoor RFID module 20 plays the effect of RFID electronic tag, and the mobile phone 30 that makes to enter in this coverage can read positional information wherein.Mobile phone 30 is identified as this positional information self residing position and enjoys positioning service based on this positional information.Although the positional information that mobile phone obtains is actually the longitude and latitude of outdoor reception steady arm 10, but because mobile phone must just can be obtained described positional information in described coverage, also just ensured that the longitude and latitude of positional information that mobile phone reads and mobile phone reality is within rational error range, can reflect the physical location of mobile phone more accurately, reach the application standard of indoor positioning.And, configure respectively outdoor reception steady arm separately by the zones of different to building or unit, and the indoor RFID module that setting and each outdoor reception steady arm match, the positional information obtaining can be make mobile phone move time, constantly updated between the effective coverage of different indoor RFID modules, the high-precision application demands such as indoor navigation can be met.
Fig. 2 is the outdoor reception locator structure schematic diagram according to the utility model embodiment.As shown in Figure 2, outdoor reception steady arm 10 comprises receiving antenna 101, GPS positioning chip 102, radio transmitter 103, wherein said GPS positioning chip 102 is received gps satellite signal and is obtained self positional information by location by described receiving antenna 101, and described radio transmitter 103 connects also positional information described in wireless transmit of GPS positioning chip 102.
Fig. 3 is the indoor RFID modular structure schematic diagram according to the utility model embodiment.Described indoor RFID module 20 comprises wireless receiving circuit 201, RFID label write circuit 202, active type RFID label 203, initialize data storer 204.Wherein, described wireless receiving circuit 201 receives the described positional information of being launched by outdoor reception steady arm 10, wireless receiving circuit 201 connects RFID label write circuit 202 described in several by standardized serial data lines such as UART data lines, the corresponding active type RFID label 203 of each RFID label write circuit 202, it is a pair of that the two formation cooperatively interacts, RFID label write circuit 202 can write to the positional information of being received by wireless receiving circuit 201 active type RFID label 203 like this, to read for mobile phone 30.Such wireless receiving circuit 201 is corresponding some to RFID label write circuit 202 and active type RFID label 203, has ensured the closeness that signal covers in coverage, makes mobile phone be easier to read described positional information.Described indoor RFID module 20 also comprises initialize data storer 204, and described RFID label write circuit 202 also connects this initialize data storer 204, to initialize data is wherein write to described active type RFID label 203.For example, in the present embodiment, two the indoor RFID modules 20 corresponding from outdoor reception steady arm 10 are laid under the situation of different floors of same longitude and latitude, floor information can be saved as to described initialize data.Like this, for example, in the application of indoor navigation, mobile phone had both read current residing longitude and latitude, had known again current place floor, so just can set up the navigation way in three dimensions according to the longitude and latitude at current location and target place and floor.
Visible, the utility model utilizes gps satellite signal to position by outdoor reception steady arm, and makes mobile phone obtain locating information indoor by RFID technology.The coverage that must enter RFID signal transmission due to mobile phone is with the interior locating information that just can obtain, ensure that longitude and latitude that locating information that mobile phone reads is actual with it is within rational error range, can reflect the physical location of mobile phone more accurately, reach the application standard of indoor positioning.And, configure respectively outdoor reception steady arm separately by the zones of different to building or unit, and the indoor RFID module that setting and each outdoor reception steady arm match, the positional information obtaining can be make mobile phone move time, constantly updated between the effective coverage of different indoor RFID modules, the high-precision application demands such as indoor navigation can be met.
This use is novel can also be applied in miscellaneous equipment; Size and quantity in more than describing are only all informative, and those skilled in the art can select suitable application size according to actual needs, and do not depart from scope of the present utility model.Protection domain of the present utility model is not limited to this, any be familiar with those skilled in the art the utility model disclose technical scope in, the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.
Claims (6)
1. the indoor accurate mobile phone positioning system based on gps signal, it is characterized in that, comprise the mobile phone of outdoor reception steady arm, indoor RFID module and built-in RFID signal reader, wherein said outdoor reception steady arm comprises receiving antenna, GPS positioning chip, radio transmitter, wherein said GPS positioning chip receives gps satellite signal by described receiving antenna and obtains the positional information of self by location, positional information described in described radio transmitter connection GPS positioning chip wireless transmit; Described indoor RFID module comprises wireless receiving circuit, RFID label write circuit, RFID label, wherein said wireless receiving circuit receives described positional information, described RFID label write circuit connects described wireless receiving circuit to read described positional information, and positional information is write to described RFID label; The mobile phone of described built-in RFID signal reader reads the positional information in described RFID label while entering in the coverage of described RFID label.
2. indoor accurate mobile phone positioning system according to claim 1, it is characterized in that, this indoor accurate mobile phone positioning system comprises that several are laid in the described outdoor reception steady arm on buildings diverse location, and each outdoor reception steady arm and described at least one indoor RFID module match.
3. indoor accurate mobile phone positioning system according to claim 2, is characterized in that, described indoor RFID module comprises some to described RFID label write circuit and RFID label.
4. indoor accurate mobile phone positioning system according to claim 3, is characterized in that, each described RFID label write circuit is connected to described wireless receiving circuit by serial data line, and described serial data line is UART data line.
5. indoor accurate mobile phone positioning system according to claim 4, is characterized in that, described RFID label is active type RFID label.
6. indoor accurate mobile phone positioning system according to claim 5, it is characterized in that, described indoor RFID module comprises initialize data storer, and described RFID label write circuit connects this initialize data storer to initialize data is wherein write to inserting RFID tags.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320830314.5U CN203658587U (en) | 2013-12-16 | 2013-12-16 | Indoor accurate cellphone-positioning system based on GPS signal |
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| CN201320830314.5U CN203658587U (en) | 2013-12-16 | 2013-12-16 | Indoor accurate cellphone-positioning system based on GPS signal |
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| CN203658587U true CN203658587U (en) | 2014-06-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109379731A (en) * | 2018-10-12 | 2019-02-22 | 深圳市欧辰技术有限公司 | Near field communication method and anti-lost anti-trample system |
| WO2019009828A3 (en) * | 2016-12-21 | 2019-04-04 | Ons Grup Iletisim Ve Telekomunikasyon Hizmetleri Enerji Makine Elektronik Bilisim Insaat Taahhut Ithalat Ihracat Sanayi Ve Ticaret Anonim Sirketi | A 5g terrestrial positioning system |
-
2013
- 2013-12-16 CN CN201320830314.5U patent/CN203658587U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019009828A3 (en) * | 2016-12-21 | 2019-04-04 | Ons Grup Iletisim Ve Telekomunikasyon Hizmetleri Enerji Makine Elektronik Bilisim Insaat Taahhut Ithalat Ihracat Sanayi Ve Ticaret Anonim Sirketi | A 5g terrestrial positioning system |
| CN109379731A (en) * | 2018-10-12 | 2019-02-22 | 深圳市欧辰技术有限公司 | Near field communication method and anti-lost anti-trample system |
| CN109379731B (en) * | 2018-10-12 | 2021-06-22 | 深圳市欧辰技术有限公司 | Near field communication method and anti-lost and anti-treading system |
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Address after: Hangzhou City, Zhejiang province 310004 city Shen Jia Lu No. 159 Building 1 Room 203 Patentee after: ZHEJIANG DEPART ELECTRONIC TECHNOLOGY CO.,LTD. Address before: Hangzhou City, Zhejiang province 310004 City Road No. 588 Fei Jia Tang building 408 room 5 Patentee before: ZHEJIANG DEPART ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20140618 |