CN1496026A - Position information transmission method - Google Patents
Position information transmission method Download PDFInfo
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- CN1496026A CN1496026A CNA03140829XA CN03140829A CN1496026A CN 1496026 A CN1496026 A CN 1496026A CN A03140829X A CNA03140829X A CN A03140829XA CN 03140829 A CN03140829 A CN 03140829A CN 1496026 A CN1496026 A CN 1496026A
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- portable terminal
- positional information
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 241001269238 Data Species 0.000 claims description 4
- 230000003993 interaction Effects 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
The position message transmission method includes the following steps: receiving the positioning request of moving terminal by positioning entity; positioning entity judges that said positioning is allowable or not; if it is disallowed, rejecting said request, ending; if it is allowable, making positioning message interaction between the positioning entity and moving terminal by means of IP network and defining position of moving termina; the positioning entity judges that the final position message can be obtained or not; if it can not be obtained, returning positioning failure message, ending, if it can be obtained, the positioning entity does not directly return true position messag to moving terminal, and the positioning entity can transfer the position message of moving terminal to moving positioning centre and enciphering key. Said invention can greatly raise safety and security of positioned position message transmission.
Description
Technical field
The present invention relates to mobile communication system, particularly related to a kind of method that in mobile communcations system, realizes the mobile terminal user position information processing.
Background technology
Positioning service refers to the position that obtains portable terminal in mobile communcations system by wireless location technology, and provides corresponding service based on the position of portable terminal.The main application of positioning service comprises: public safety urgent call, network optimization charging, value-added service or the like.
In the CDMA wireless network, existing positioning service implementation is: be core with the portable terminal, when the user need locate oneself, start the application program on the portable terminal, foundation is got in touch with positioning service provider, ask the positional information of oneself simultaneously to network equipment (mainly being position determining entity), after finish the location, network directly returns to portable terminal with user position information, by portable terminal own positional information is offered positioning service provider, obtain corresponding service.
This implementation has following two shortcomings:
One, because portable terminal belongs to subscriber equipment, more under attack than being easier to.Under the incomplete situation of the secrecy provision of portable terminal, user position information is easy to be leaked in illegal inquiry's hand, and user's privacy and safety are brought danger.
Two, on the other hand, mobile operator can't obtain service provider's relevant information by portable terminal (mobile phone), can't carry out authentication and charge to the service provider.Can't satisfy the requirement of mobile operator.And mobile operator provides the resource of position determining entity in the position fixing process, and mobile operator need add up and control each service provider's flow, so that charge and manage.
Summary of the invention
Technical problem to be solved by this invention is to overcome mobile terminal user position transmission of Information mode secrecy provision imperfection technical problem in the existing mobile communication navigation system, and overcomes the technical problem of the navigation system of mobile operator to service provider's positioning service information on services shortage control.
The technical scheme that realizes technical problem to be solved by this invention and take is summarized as follows:
A kind of method of positional information transmission is provided, comprises the steps:
(1) position determining entity is received the Location Request from portable terminal;
(2) position determining entity judges whether to allow portable terminal is located; If do not allow, then refuse Location Request, finish, if allow, then
(3) position interacting message by IP network between position determining entity and the portable terminal, determine the position of portable terminal;
(4) position determining entity judges whether final position information can obtain; If can not obtain, then the restoring to normal position failed message finishes, if can, then
(5) the real positional information directly do not returned of position determining entity to portable terminal;
(6) position determining entity sends the positional information and the encryption key of portable terminal to mobile positioning center.
Further, according to the method for above-mentioned positional information transmission,, further comprising the steps of when mobile phone users during to mobile communcations system request positioning service:
(A) portable terminal is to the system request positioning service;
(B) portable terminal will send to the location services clients machine from the positional information that position determining entity receives;
(C) the location services clients machine sends location information request to mobile positioning center;
(D) mobile positioning center provides the positional information of described portable terminal to the location services clients machine;
(E) the location services clients machine provides corresponding location-based service for described portable terminal.
Simultaneously, further, according to the method for above-mentioned positional information transmission, when positioning service provider (location services clients machine) initiatively when the navigation system request is initiated positioning service to specific portable terminal, further comprising the steps of:
A) the location services clients machine sends specific location information of mobile terminal request to mobile positioning center;
B) mobile positioning center provides the positional information of described portable terminal to the location services clients machine;
C) the location services clients machine provides corresponding location-based service for described portable terminal.
Adopt technical scheme of the present invention, compare with the positioning information transmission method of original mobile communcations system, positioning position information safety of transmission and confidentiality strengthen greatly, mobile operator can control service provider's positioning service simultaneously, and can carry out strict access examination and authentication process to the service provider.
Description of drawings
Fig. 1 is the network configuration of the positioning service based on user plane of the present invention.
Fig. 2 is a kind of detailed process schematic diagram of positioning information transmission method proposed by the invention.
Fig. 3 is the interface schematic diagram of realization positioning service inter-entity of the present invention.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing.
Fig. 1 has described the network structure of the navigation system that the present invention is based on user plane.Wherein, navigation system comprises traditional network entity and the entity that increases newly.The former mainly comprises portable terminal, mobile switching centre and attaching position register, and the latter mainly comprises mobile positioning center, position determining entity and location services clients machine etc.
Portable terminal is the ustomer premises access equipment of positioning service, and major function provides the relevant metrical information in location of this portable terminal.Simultaneously, the application of finishing the part positioning service realizes.
Mobile positioning center is the kernel entity that positioning service realizes.Major function is the control position fixing process, with each entity interaction, and storage and the positional information etc. of mobile phone users is provided.
The function of position determining entity mainly is that the information that portable terminal is delivered to network side is handled, thereby calculates the positional information of portable terminal.
The location services clients machine is a service application entity.It obtains user position information by mobile positioning center, provides different location services according to customer position information again.This entity is in charge of by positioning service provider.
In above-mentioned fixer network based on user plane, portable terminal, mobile positioning center, position determining entity and location services clients machine are to connect by TCP/IP (Transfer Control Protocol/Internet Protocol, that is TCP) network.Communication between mobile positioning center and mobile switching centre, the attaching position register is undertaken by the Signaling System Number 7 net.During physics realization, two or more entities in the network configuration can be merged into a physical entity.
The method that positional information transmission of the present invention realizes realizes on position determining entity that mainly mobile positioning center helps out, to not influence of portable terminal.
In the mobile location service process, position determining entity mainly plays the effect of the positional information calculation of portable terminal.
Portable terminal sends Location Request to position determining entity in position fixing process, comprising sending mobile terminal identification (number) and request type, but do not comprise this professional relevant service provider's's (location services clients machine) information.Described mobile terminal identification comprises phone number MDN (Mobile Directory Number, be mobile number book number) or other can with the number of phone number one just like correspondence, as IMSI (International Mobile Subscriber Identity, be international mobile subscriber identity) or user ID USERID (User Identify, i.e. user ID).Position determining entity is according to the related satellite location of portable terminal transmission and the position of wireless measurement information calculations portable terminal, and the positional information with portable terminal offers portable terminal at last.
A kind of detailed realization flow of positioning information transmission method of the present invention as shown in Figure 2.Specifically may further comprise the steps:
When mobile phone users was selected to use positioning service, portable terminal at first connected with the location services clients machine, obtained necessary location ready message.Under some flow process, this step can be ignored; Continue to carry out following steps:
Portable terminal connects to obtain the terminal current position information with position determining entity subsequently.At this moment, the information that portable terminal transmits includes only mobile terminal identification, does not comprise the information of relevant positioning service provider.Position determining entity is verified portable terminal by the sign of portable terminal, but can't be verified the location services clients machine; Continue to carry out following steps:
Position determining entity obtains necessary satellite information in location and mobile channel parameter by mutual with portable terminal, calculates the position of portable terminal.At this moment, position determining entity does not directly return to portable terminal with user's position, and at first location information is carried out encryption, and the result that will encrypt returns to portable terminal again.Make portable terminal can't directly obtain the real positional information of user by method of encrypting.Encryption method is selected voluntarily by position determining entity, perhaps adopts the mode of direct scrambler, perhaps adopts the mode that directly adds interference code;
Simultaneously, the position determining entity positional information that mobile phone users is real sends to mobile positioning center, is preserved by mobile positioning center.Position determining entity also will be given mobile positioning center with encryption key, is preserved by mobile positioning center.Described encryption key is described mobile terminal identification.Make the sign of portable terminal and the real positional information of mobile phone users set up one-to-one relationship by encryption key.Encryption key also can be called decruption key.
Further, when portable terminal during to navigation system request positioning service, especially when positioning service provider (location services clients machine) request positioning service, the step that comprises below the execution:
The positional information that portable terminal at first will receive from position determining entity sends to the location services clients machine.By foregoing description as can be known, described positional information is not the real positional information of portable terminal, is positional information that encrypt, false, that directly do not send; Continue to carry out following steps:
The location services clients machine sends location information request to mobile positioning center, and mobile positioning center provides the positional information of described portable terminal to the location services clients machine then.In this process, at first the location services clients machine need provide the business datum that comprises that enough certificate datas and user call to mobile positioning center, so that mobile operator carries out authentication process to positioning service provider.Further, the location services clients machine need be by obtaining the actual position information of described mobile phone users after mobile positioning center request deciphering.Decrypting process is achieved in that after the location services clients machine being carried out (authentication) affirmation, mobile positioning center is decrypted customer position information according to the encryption key of the correspondence that the location services clients machine provides, mobile terminal identification information analysis by this portable terminal of comprising in the encryption key goes out the real positional information in the mobile positioning center of being kept at of this portable terminal correspondence, and the positional information that this portable terminal is real returns to the location services clients machine; Continue to carry out following steps:
The location services clients machine provides corresponding location-based service for described portable terminal.
In the description of above-mentioned concrete implementing procedure, what embody is by the concrete enforcement situation of portable terminal active to navigation system request positioning service, in the present invention, also propose initiatively specific portable terminal to be initiated the concrete enforcement situation of positioning service to the navigation system request by positioning service provider (location services clients machine), in this case, position determining entity is to identical in the calculating of the actual position of portable terminal and transmission course and the above-mentioned execution mode, different is that request for location services is not initiatively to be initiated to the location services clients machine by portable terminal, therefore do not need portable terminal will send to the location services clients machine yet, but carry out following steps from the positional information that position determining entity receives:
The location services clients machine sends specific location information of mobile terminal request to mobile positioning center, and mobile positioning center provides the positional information of described portable terminal to the location services clients machine then.In this process, at first the location services clients machine need provide the business datum that comprises that enough certificate datas and user call to mobile positioning center, so that mobile operator carries out authentication process to positioning service provider.Further, the location services clients machine need be by obtaining the actual position information of described specific mobile phone users after mobile positioning center request deciphering.Decrypting process is achieved in that after the location services clients machine being carried out (authentication) affirmation, mobile positioning center is decrypted customer position information according to the encryption key of the correspondence that the location services clients machine provides, mobile terminal identification by the described specific portable terminal that comprises in the encryption key parses the real positional information in the mobile positioning center of being kept at of this portable terminal correspondence, and the positional information that this portable terminal is real returns to the location services clients machine; Continue to carry out following steps:
The location services clients machine provides corresponding location-based service for described portable terminal.
Fig. 3 is the interface schematic diagram of realization positioning service inter-entity of the present invention, shows in mobile IP network the message connected mode of each entity in the navigation system.Specific as follows:
Interface between portable terminal and the position determining entity is used for determining the interacting message of mobile terminal locations process, and finally by position determining entity positional information is transferred to portable terminal.This interface mainly uses the TCP/IP interface.
Interface between portable terminal and the location services clients machine is used for the transmission of positioning service message, and portable terminal passes to location services clients machine by this interface with positional information with positional information, obtains relevant location-based service by this interface again.This interface uses the TCP/IP interface.
Interface between position determining entity and the mobile positioning center is used to transmit user's real positional information and encryption key, uses the TCP/IP network interface.
Interface between mobile positioning center and the location services clients machine is used for transmitting real (deciphering) customer position information, uses the TCP/IP network interface.
Interface by the Signaling System Number 7 net in the positioning service and this flow process relation are less, and relevant public technology standard, standard have specified in more detail, no longer launch, give unnecessary details at this.
By adopting technique scheme provided by the invention, the positional information of mobile phone users is controlled by mobile positioning center, can guarantee the fail safe and the confidentiality of customer position information; The location services clients machine is for obtaining the real positional information of mobile phone users simultaneously, must arrive first the decryption step that mobile positioning center comprises authentication and sends encryption key, thereby the service provider be managed and charge provides guarantee for mobile operator.On the other hand, guaranteed that again location information of mobile terminal determines the integrality of flow process, the situation that normal positioning flow and location confirmation failure, no positional information are returned is distinguished to some extent.
Although the method for the disclosed positional information transmission that relates to has been carried out special description with reference to embodiment, those skilled in the art can understand, under the situation that does not depart from scope and spirit of the present invention, can carry out all conspicuous modification of form and details to it.Therefore, embodiment described above is illustrative and not restrictive, and under the situation that does not break away from the spirit and scope of the present invention, all variations and modification are all within the scope of the present invention.
Claims (11)
1, a kind of method of positional information transmission is characterized in that, comprises the steps:
(1) position determining entity is received the Location Request from portable terminal;
(2) position determining entity judges whether to allow portable terminal is located; If do not allow, then refuse Location Request, finish, if allow, then
(3) position interacting message by IP network between position determining entity and the portable terminal, determine the position of portable terminal;
(4) position determining entity judges whether final position information can obtain; If can not obtain, then the restoring to normal position failed message finishes, if can, then
(5) the real positional information directly do not returned of position determining entity to portable terminal;
(6) position determining entity sends the positional information and the encryption key of portable terminal to mobile positioning center.
2, the method for positional information according to claim 1 transmission is characterized in that also comprising in the step (5) step of the positional information of position determining entity after portable terminal returns encryption.
3, the method for positional information transmission according to claim 2 is characterized in that also comprising that described encryption employing directly adds the method for interference code.
4, the method for positional information according to claim 2 transmission is characterized in that also comprising that described encryption adopts the method for direct scrambler.
5, the method for positional information transmission according to claim 1 is characterized in that described encryption key is the sign of described portable terminal.
6, according to the method for the described positional information transmission of the arbitrary claim of claim 1 to 5, it is characterized in that further comprising the steps of:
(A) portable terminal is to the system request positioning service;
(B) portable terminal will send to the location services clients machine from the positional information that position determining entity receives;
(C) the location services clients machine sends location information request to mobile positioning center;
(D) mobile positioning center provides the positional information of described portable terminal to the location services clients machine;
(E) the location services clients machine provides corresponding location-based service for described portable terminal.
7, the method for positional information transmission according to claim 6, it is characterized in that also comprising in the step (C) that the location services clients machine provides enough certificate datas to mobile positioning center, and the business datum called of user, so that mobile positioning center carries out authentication process.
8,, it is characterized in that also comprising in the step (C) encryption key of the described portable terminal correspondence that location services clients provides to mobile positioning center according to the method for claim 6 or the transmission of 7 described positional informations.
9, according to the method for the described positional information transmission of the arbitrary claim of claim 1 to 5, it is characterized in that further comprising the steps of:
A) the location services clients machine sends specific location information of mobile terminal request to mobile positioning center;
B) mobile positioning center provides the positional information of described portable terminal to the location services clients machine;
C) the location services clients machine provides corresponding location-based service for described portable terminal.
10, the method for positional information transmission according to claim 9, it is characterized in that also comprising in the step (1) that the location services clients machine provides enough certificate datas to mobile positioning center, and the business datum called of user, so that mobile positioning center carries out authentication process.
11,, it is characterized in that also comprising in the step (1) encryption key of the described portable terminal correspondence that location services clients provides to mobile positioning center according to the method for claim 9 or the transmission of 10 described positional informations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03140829XA CN100375410C (en) | 2002-09-05 | 2003-06-05 | Position information transmission method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02136886 | 2002-09-05 | ||
| CN02136886.4 | 2002-09-05 | ||
| CNB03140829XA CN100375410C (en) | 2002-09-05 | 2003-06-05 | Position information transmission method |
Publications (2)
| Publication Number | Publication Date |
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| CN1496026A true CN1496026A (en) | 2004-05-12 |
| CN100375410C CN100375410C (en) | 2008-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB03140829XA Expired - Fee Related CN100375410C (en) | 2002-09-05 | 2003-06-05 | Position information transmission method |
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| CN (1) | CN100375410C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1921685B (en) * | 2006-09-06 | 2010-04-21 | 华为技术有限公司 | Method, system and device for realizing access-in identification of mobile positioning service |
| CN101415187B (en) * | 2007-10-19 | 2011-12-28 | 华为技术有限公司 | Method for implementing position business, method and apparatus for broadcasting base station geographic position information |
| CN102665204A (en) * | 2012-04-19 | 2012-09-12 | 北京邮电大学 | Safety protection method and safety protection system for positioning service |
| CN103297911A (en) * | 2012-02-23 | 2013-09-11 | 联想移动通信科技有限公司 | Locating function module with encrypting function and mobile terminal |
| CN102014368B (en) * | 2009-09-07 | 2014-01-29 | 中国移动通信集团公司 | Method, system and device for acquiring position information of user equipment |
| CN104285406A (en) * | 2012-05-16 | 2015-01-14 | 英特尔公司 | System for protection and authentication of location services with distributed security |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10285641A (en) * | 1997-02-06 | 1998-10-23 | N T T Data:Kk | Radio communication system, operation management system and recording medium |
| WO2001076276A2 (en) * | 2000-04-05 | 2001-10-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Telecommunications network integrating cellular, packet-switched, and voice-over-ip infrastructures |
| JP4078022B2 (en) * | 2000-09-06 | 2008-04-23 | 株式会社エヌ・ティ・ティ・ドコモ | Gateway server and information providing method |
-
2003
- 2003-06-05 CN CNB03140829XA patent/CN100375410C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1921685B (en) * | 2006-09-06 | 2010-04-21 | 华为技术有限公司 | Method, system and device for realizing access-in identification of mobile positioning service |
| CN101415187B (en) * | 2007-10-19 | 2011-12-28 | 华为技术有限公司 | Method for implementing position business, method and apparatus for broadcasting base station geographic position information |
| CN102014368B (en) * | 2009-09-07 | 2014-01-29 | 中国移动通信集团公司 | Method, system and device for acquiring position information of user equipment |
| CN103297911A (en) * | 2012-02-23 | 2013-09-11 | 联想移动通信科技有限公司 | Locating function module with encrypting function and mobile terminal |
| CN103297911B (en) * | 2012-02-23 | 2016-12-14 | 联想移动通信科技有限公司 | Mobile terminal |
| CN102665204A (en) * | 2012-04-19 | 2012-09-12 | 北京邮电大学 | Safety protection method and safety protection system for positioning service |
| CN102665204B (en) * | 2012-04-19 | 2015-08-12 | 北京邮电大学 | A kind of positioning service safety protecting method and system |
| CN104285406A (en) * | 2012-05-16 | 2015-01-14 | 英特尔公司 | System for protection and authentication of location services with distributed security |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100375410C (en) | 2008-03-12 |
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