CN101098511A - Mobile terminal enquiry positioning method - Google Patents
Mobile terminal enquiry positioning method Download PDFInfo
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- CN101098511A CN101098511A CNA2007101304273A CN200710130427A CN101098511A CN 101098511 A CN101098511 A CN 101098511A CN A2007101304273 A CNA2007101304273 A CN A2007101304273A CN 200710130427 A CN200710130427 A CN 200710130427A CN 101098511 A CN101098511 A CN 101098511A
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Abstract
The invention discloses a mobile terminal inquire positioning method, without additional hardware device and additional cost, which can realize position inquire of mobile terminal. The inventive method comprises that (a), the object terminal detects page channel, and extracts position information from a CDMA protocol stack application layer message to be stored, (b), the object terminal user inquires the position of the terminal when in need, or the object terminal receives the message of inquire terminal, to judge if the message content is preset position inquire message content, if it is, feeding back a positioning report message with the terminal position to the inquire terminal.
Description
Technical field
The present invention relates to the person-to-person communication field, relate in particular to the enquiry positioning method of portable terminal.
Background technology
In the present prior art, the mobile terminal remote location needs the support of network side mostly.Wherein, U.S. Verizon Wireless and Sprint company, preceding two big SKT of operator and KTF of Korea S, companies such as preceding two big NTT DoCoMo of operator of Japan and KDDI all provide the positioning service based on IS-801, CHINAUNICOM has also opened this positioning service in some areas, though this method positioning accuracy height, but need increase corresponding gpsOne hardware chip at mobile terminal side, but support that the marketing difficulty of gpsOne portable terminal is bigger, simultaneously for operator, need the support of network side, and owing to use this service needed paying, so this method is unfavorable for popularizing.
In addition, also the someone proposes the localization method of inquiry Network Based, main thought is by attaching position register (HLR) registration and VLR Visitor Location Register (VLR) inquiry and registration sub-district ID, by to the fan antenna angle and do not have wire delay etc. and carry out distance calculation and then location.This method also needs the support of a large amount of network sides, comprises network planning network optimization information accurate comprehensively, usually variation etc.; Simultaneously, this method needs the computing of a lot of specialties, and it is unpractical being equipped with computer for it is special.Therefore, this method also is difficult to have popularization and operability.
Summary of the invention
Technical problem to be solved by this invention provides a kind of mobile terminal remote enquiry positioning method, and need not increases extra hardware device, need not to pay extra charge, can realize the position enquiring of portable terminal.
In order to solve the problems of the technologies described above, the invention provides a kind of mobile terminal enquiry positioning method, may further comprise the steps:
(a) query terminal monitoring seek channel, extract location information and preservation from CDMA protocol stack application layer messages;
(b) the query terminal user inquires about this terminal position when needed, after perhaps query terminal is received the short message of inquiry terminal, judge whether described content of short message is predefined locating query content of short message, if then return the positioning reporting short message that has this end position to inquiry terminal.
Further, said method also can have following characteristics: described positional information is longitude and latitude information, in described step (a), after described query terminal obtains latitude and longitude information, it is carried out unit conversion, obtain with degree and/or divide and/or second be that the latitude and longitude value of unit is preserved as this terminal position.
Further, said method also can have following characteristics: if the latitude and longitude information that query terminal extracts is M, and with 1/n second be unit, what then convert is that the latitude and longitude value of unit equals M/ (3600 with the degree
*N).
Further, said method also can have following characteristics: described positional information is system identification and NID, in described step (a), after described query terminal obtains system identification and NID, inquire about the city list of preserving on this terminal, preserve as the position at this terminal place in the city that obtains this system identification and NID correspondence.
Further, said method also can have following characteristics: in described step (b), after query terminal is received the short message of inquiry terminal, whether the identification number of judging inquiry terminal is the number that search access right is arranged that sets in advance, if, continue to carry out, otherwise handle according to common short message service process.
Further, said method also can have following characteristics: described identification number is following one or more: the phone number of inquiry terminal, international mobile subscriber identity IMSI, international mobile equipment identification number IMEI.
Further, said method also can have following characteristics: described query terminal is supported IS-95 or CDMA 2000, and described inquiry terminal is supported short message service.
Adopt the advantage of the method for the invention to be:
1, based on present network configuration, need not increases any extras at network side.
2, based on present terminal structure, do not need additionally to increase terminal hardware, support IS-95 portable terminal and cdma2000 1x portable terminal.End (or other support the terminal platform of short message service) is promptly inquired about in the opposite end does not have specific (special) requirements, and only needing local terminal is to be carried out little change by the application layer of inquiry end, realizes simply introducing any extra cost hardly.
3, the user is easy to use, does not need additionally to pay for positioning service, only needs payment to reply the expense of note, and is very cheap, is beneficial to universal.Whether the user can select automatic-answering back device the other side locating query note, the white list that allows inquiry can be set, thereby protect the privacy of this end subscriber, also can be provided with the secret of short message enquiry is replied.
4, for CDMA mobile phone location, precision generally can reach 2km in the city, and the suburb reaches 10km, compare with other localization methods with IS-801, the present invention is applicable to the general population not high to positioning accuracy request, such as children's nurse, taxi driver etc., has incomparable universal advantage.
Description of drawings
Fig. 1 is the applied schematic network structure of the present invention;
Fig. 2 is inquired about the flow chart that end obtains positional information for present embodiment;
Fig. 3 is inquired about the flow chart of its positional information of end response inquiry end inquiry for present embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
At present, CHINAUNICOM's cdma network side has been supported CDMA2000 1x Release 0 agreement comprehensively, and is special, and this agreement is supported the longitude and latitude self-configuring function (longitude and latitude is taken from base station GPS automatically) of base station.The field that latitude and longitude of base station is arranged in the configuration of network side base transceiver station (BTS), the field BASE_LAT and the BASE_LONG of the system parameters message (System Parameters Message) in the 3rd layer of message of corresponding CDMA protocol stack, resolved the longitude and latitude that this message can obtain institute's standby base station by enquiry mobile terminal, know the rough location information of this terminal, and can respond the query statement (as short message way) of opposite end, handle by locating query note, with the positional information of short message mode feedback local terminal specific format.
The present invention requires the local terminal mobile phone to support IS-95 or CDMA 2000, and the opposite end mobile phone for example can be the mobile phone of standards such as GSM, CDMA or PHS as long as support short message service.
Fig. 1 is the applied schematic network structure of the present invention, and wherein MS is a portable terminal, and BSC is a base station controller, and BTS is a base transceiver station, and MSC is a mobile switching centre, and HLR is an attaching position register, and PSTN is a PSTN.BSC is by the BTS system parameters, and MS preserves it after receiving this parameter.
As shown in Figure 2, present embodiment is inquired about end (or being called local terminal) and is obtained the method for positional information, may further comprise the steps:
Extract BASE_LATs and BASE_LONGs in the system parameters message of local terminal from the Overhead Message (overheadmessage) of the 3rd layer of message of CDMA protocol stack (application layer messages).The unit of BASE_LATs and BASE_LONGs field is 1/4 second, perhaps also can be other values.This latitude and longitude information is the longitude and latitude at place, base station, manually is provided with or is provided with by the GPS (Global Position System) (GPS) of this base station is automatic by the network side backstage.
Local terminal will receive that it is the latitude and longitude value of unit that latitude and longitude information converts to the degree from network side, be stored among the variable latitude and longitude of portable terminal, and computing formula is:
Latitude (latitude)=BASE_LATs/14400
Longitude (longitude)=BASE_LONGs/14400
Since the latitude and longitude information of base station be with 1/4 second be unit, when therefore changing it being obtained with the degree divided by 14400 is the unit latitude and longitude value.If the latitude and longitude information of base station is a unit with 1/n second, establishing this longitude or latitude information is M, and then local terminal is preserved is that the longitude and latitude of unit then equals M/ (3600 with the degree
*N).In other embodiments, also can be converted into minute, second level unit, perhaps to spend, to be divided into unit or the like.
The message content that query terminal issues according to network side upgrades this machine latitude and longitude variable synchronously, uses above-mentioned variant content to represent the approximate location of local terminal.
In another embodiment, the application layer of local terminal also can provide interface, and to support the real-time read functions to latitude and longitude, local terminal can directly be inquired about the longitude and latitude at own place.
As shown in Figure 3, the present embodiment local terminal response opposite end flow process of inquiring about its positional information may further comprise the steps:
Described white list is meant the set of numbers that the local terminal mobile phone is had position enquiring power, is kept on the local terminal mobile phone, can be edited by the local terminal mobile phone.Described identification number is following one or more: the phone number of inquiry terminal, IMSI (international mobile subscriber identity), IMEI (international mobile equipment identification number).
In another embodiment, can the phone number of inquiry terminal not judged by the local terminal inquired about yet, and directly carry out next step.
Local terminal preestablishes the locating short message query contents, has only the opposite end mobile phone that sends identical content of short message to inquire about this end position, and local terminal can carry out edit-modify to this message search content.
For example, content of short message can be " longitude: xxx.xxxxx °, latitude: xx.xxxxx ° ", and the longitude content is the longitude value, and the latitude content is latitude.
When inquiry terminal receive comprise by the positioning reporting note of inquiry end after, can be rule of thumb or the electronic chart of band latitude and longitude information auxiliary, as the assistance of mapinfo, determine the general orientation of query terminal.
The application layer of local terminal is responsible for judging the identification number and the content of short message enquiry, and is replied.When being applied to inquire about the children position and not wish that children know as father and mother by the inquiry mobile phone, perhaps the police monitor someone but do not wish that it situation following time such as learns, can be set to secret the answer by the inquiry mobile phone, promptly the short message enquiry No ringing is not pointed out, institute's answer short message is not stored yet, reached secret effect.
Present embodiment uses the position of standby base station to represent mobile phone location, consider the city through perching station density (roughly 1～2 kilometer base station), so the present embodiment positioning accuracy can reach about 2 kilometers in the city.
In other embodiments, if positioning requirements further is reduced to municipal level, then can adopt the province/city of the information representation correspondence of system identification/NID (SID/NID), collection is identical with said process with inquiry.At this moment, can on this machine, preserve the city list of SID/NID correspondence, directly return the positional information in city, place when inquiring about in the opposite end.
Have long-range by the portable terminal of query function when realizing, can adopt menu tree form as shown in table 1 to be provided with, as the present place of this machine of checking base station location, editor's white list, editor inquiry content of short message, response function such as maintain secrecy is set, can certainly adopt other implementations.Also can be by the inquiry mobile phone to the protection of the implement pin of this " positioning function " menu, the people of the password that guarantees only to obtain the authorization could be provided with the locating query function.
Table 1
| The one-level menu | Second-level menu | Three-stage menu | Dialog box/list box |
| Treasure case | Positioning function | Present orientation, base station | Show present standby base station longitude and latitude, further can be used as short message content and initiatively send to arbitrary numbers |
| The location white list | The list of numbers of one's own side's mobile phone response locating query function is given tacit consent to three, and each number all is editable | ||
| Locating short message inquiry password | Acquiescence " locating query " can be edited | ||
| Response is maintained secrecy | Be (pointer closes the prompting and the sending and receiving part case hold function of locating short message) | ||
| Not (pointer is opened the prompting and the sending and receiving part case hold function of locating short message) |
Claims (7)
1, a kind of mobile terminal enquiry positioning method may further comprise the steps:
(a) query terminal monitoring seek channel, extract location information and preservation from CDMA protocol stack application layer messages;
(b) the query terminal user inquires about this terminal position when needed, after perhaps query terminal is received the short message of inquiry terminal, judge whether described content of short message is predefined locating query content of short message, if then return the positioning reporting short message that has this end position to inquiry terminal.
2, the method for claim 1, it is characterized in that, described positional information is longitude and latitude information, in described step (a), after described query terminal obtains latitude and longitude information, it is carried out unit conversion, obtain with degree and/or divide and/or second be that the latitude and longitude value of unit is preserved as this terminal position.
3, method as claimed in claim 2 is characterized in that, if the latitude and longitude information that query terminal extracts is M, and with 1/n second be unit, what then convert is that the latitude and longitude value of unit equals M/ (3600*n) with the degree.
4, the method for claim 1, it is characterized in that, described positional information is system identification and NID, in described step (a), after described query terminal obtains system identification and NID, inquire about the city list of preserving on this terminal, preserve as the position at this terminal place in the city that obtains this system identification and NID correspondence.
5, as claim 2 or 4 described methods, it is characterized in that, in described step (b), after query terminal is received the short message of inquiry terminal, whether the identification number of judging inquiry terminal is the number that search access right is arranged that sets in advance, if continue to carry out, otherwise handle according to common short message service process.
6, method as claimed in claim 5 is characterized in that, described identification number is following one or more: the phone number of inquiry terminal, international mobile subscriber identity IMSI, international mobile equipment identification number IMEI.
7, the method for claim 1 is characterized in that, described query terminal is supported IS-95 or CDMA 2000, and described inquiry terminal is supported short message service.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101304273A CN101098511A (en) | 2007-02-28 | 2007-07-18 | Mobile terminal enquiry positioning method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710000496 | 2007-02-28 | ||
| CN200710000496.2 | 2007-02-28 | ||
| CNA2007101304273A CN101098511A (en) | 2007-02-28 | 2007-07-18 | Mobile terminal enquiry positioning method |
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| CN101098511A true CN101098511A (en) | 2008-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007101304273A Pending CN101098511A (en) | 2007-02-28 | 2007-07-18 | Mobile terminal enquiry positioning method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102186138A (en) * | 2011-04-06 | 2011-09-14 | 北京百纳威尔科技有限公司 | Geographic position search method and mobile terminal |
| CN102547555A (en) * | 2010-12-17 | 2012-07-04 | 沈阳新邮通信设备有限公司 | Mobile phone and method for tracing and positioning between mobile phones |
| CN103096241A (en) * | 2011-11-02 | 2013-05-08 | 上海贝尔股份有限公司 | Method and device used for offering position information |
| CN103139734A (en) * | 2011-11-22 | 2013-06-05 | 纬创资通股份有限公司 | Method for obtaining return information from short message service |
| CN104181567A (en) * | 2013-05-28 | 2014-12-03 | 腾讯科技（深圳）有限公司 | Terminal device positioning method, terminal device and terminal device positioning system |
| WO2023011386A1 (en) * | 2021-08-06 | 2023-02-09 | 华为技术有限公司 | Whitelist control method in beidou communication system and related device |
-
2007
- 2007-07-18 CN CNA2007101304273A patent/CN101098511A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547555A (en) * | 2010-12-17 | 2012-07-04 | 沈阳新邮通信设备有限公司 | Mobile phone and method for tracing and positioning between mobile phones |
| CN102186138A (en) * | 2011-04-06 | 2011-09-14 | 北京百纳威尔科技有限公司 | Geographic position search method and mobile terminal |
| CN103096241A (en) * | 2011-11-02 | 2013-05-08 | 上海贝尔股份有限公司 | Method and device used for offering position information |
| CN103139734A (en) * | 2011-11-22 | 2013-06-05 | 纬创资通股份有限公司 | Method for obtaining return information from short message service |
| CN104181567A (en) * | 2013-05-28 | 2014-12-03 | 腾讯科技（深圳）有限公司 | Terminal device positioning method, terminal device and terminal device positioning system |
| CN104181567B (en) * | 2013-05-28 | 2021-02-12 | 腾讯科技（深圳）有限公司 | Terminal device positioning method, terminal device and terminal device positioning system |
| WO2023011386A1 (en) * | 2021-08-06 | 2023-02-09 | 华为技术有限公司 | Whitelist control method in beidou communication system and related device |
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