CN103167467B - For positioning service treatment method and the system of LTE/CDMA dual-mode terminal - Google Patents
For positioning service treatment method and the system of LTE/CDMA dual-mode terminal Download PDFInfo
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- CN103167467B CN103167467B CN201110416323.5A CN201110416323A CN103167467B CN 103167467 B CN103167467 B CN 103167467B CN 201110416323 A CN201110416323 A CN 201110416323A CN 103167467 B CN103167467 B CN 103167467B
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Abstract
The embodiment of the invention discloses a kind of positioning service treatment method for LTE/CDMA dual-mode terminal and system, wherein, does method comprise: LCS? Client initiates the Location Request to LTE/CDMA dual-mode terminal respectively to GMLC and MPC; First positioning service routing iinformation of the LTE/CDMA dual-mode terminal that GMLC obtains based on the HSS from LTE/CDMA dual-mode terminal users, initiate the LTE positioning flow based on chain of command, and when locating successfully, return the positioning result message of LTE/CDMA dual-mode terminal to LCSClient; Locate unsuccessfully in response to GMLC, second positioning service routing iinformation of the LTE/CDMA dual-mode terminal that MPC obtains based on the HLR from LTE/CDMA dual-mode terminal users, initiate the CDMA positioning flow based on user face, and when locating successfully, to LCS? Client returns the positioning result message of LTE/CDMA dual-mode terminal.The embodiment of the present invention can avoid the waste of locating resource and signaling consumption, reduces the problem that terminal frequently disconnects LTE data cube computation, effectively promotes the business experience of user.
Description
Technical field
The present invention relates to the communication technology, especially a kind of positioning service treatment method for LTE/CDMA dual-mode terminal and system.
Background technology
Along with the development of mobile Internet application, the application of position-based service continues to bring out, and provides the requirement of positioning function and ability more and more higher to carrier network.Code division multiple access (CodeDivisionMultipleAccess, hereinafter referred to as: CDMA) location, user face of network can adopt Positioning Satellite (gpsOne) fine positioning method, its network architecture comprises mobile positioning center (MobilePositionCenter, hereinafter referred to as: MPC), position determining entity (PositionDeterminingEntity, hereinafter referred to as: PDE) and location services client (LocationServiceClient, hereinafter referred to as: LCSClient).Wherein, the major function of MPC is used as the control and management center of positioning action handling process and the control and management center of positional information, externally realizes the function of location gateway; The major function of PDE has been location Calculation, when receiving the Location Request of MPC, PDE and mobile switching centre (MobileSwitchingCentre, hereinafter referred to as: MSC), base station controller (BaseStationController, hereinafter referred to as: BSC) and terminal (MobileStation, hereinafter referred to as: MS) the relevant device exchange message such as, utilize various metrical information and data, complete concrete location Calculation by specific algorithm, and positioning result location Calculation obtained is reported to MPC.
Third generation partner program (the3rdGenerationPartnershipProject, hereinafter referred to as: 3GPP) at Long Term Evolution (LongTermEvolution, hereinafter referred to as: LTE) stage introduces the localization method of chain of command, its network architecture comprises LCSClient, Gateway Mobile Location Center (GatewayMobileLocationCentre, hereinafter referred to as: GMLC) and the Serving Mobile Location Center of evolution E-SLMC) (EvolvedServingMobileLocationCentre, hereinafter referred to as the network element such as.Wherein, the major function of GLMC is used as positioning service access and management entity, LTE network provides the access of positioning service by GMLC LCSClient externally, and is responsible for LCSClient restoring to normal position result, and the management and the privacy of user that carry out user and LCSClient manage simultaneously.The coordinated scheduling of E-SMLC primary responsibility positioning action resource requirement also completes location Calculation.GMLC and E-SMLC has coordinated chain of command positioning flow.
After CDMA operator introduces LTE network, the CDMA localization method based on user face and the LTE localization method based on chain of command are understood simultaneously and are deposited.For LTE single-mode terminal, only initiate the LTE positioning flow based on chain of command at the LTE network area of coverage.For CDMA single-mode terminal, only initiate the CDMA positioning flow based on user face at the cdma network area of coverage.For the LTE/CDMA dual-mode terminal simultaneously supporting CDMA and LTE protocol, its support voice and LTE Data Concurrent scheme (SimultaneousVoiceandLTE, hereinafter referred to as: SVLTE), circuit domain dropping scheme (CircuitSwitchFallback, hereinafter referred to as: CSFB) etc., the CDMA positioning flow based on user face is only initiated at the cdma network area of coverage, but at the common area of coverage of LTE and cdma network, when LCSClient initiates the Location Request to terminal, MPC and GLMC can respectively to attaching position register (HomeLocationRegister, hereinafter referred to as: HLR), home subscriber server (HomeSubscriberServer, hereinafter referred to as: inquiry and the route requests of HSS) initiating this end message.During due to actual arranging net, HSS and HLR usually joins and establishes, and HSS and HLR can be closed the entity after establishing and be expressed as HSS/HLR.Owing to all including this end message in HSS and HLR, MPC and GLMC can receive the end message that entity HSS/HLR returns, and initiates the CDMA positioning flow based on user face and the LTE positioning flow based on chain of command respectively simultaneously.
Realizing in process of the present invention, inventor finds, the method that prior art initiates the CDMA positioning flow based on user face and the LTE positioning flow based on chain of command simultaneously at least exists following problem:
The positioning result that CDMA positioning flow based on user face and the LTE positioning flow based on chain of command obtain does not have too big-difference in precision, and initiate positioning flows to network positions resource and signaling consumption at two networks is a kind of waste simultaneously;
For LTE/CDMA dual-mode terminal, usual data service is undertaken by LTE network, and circuit domain business is then undertaken by CDMA1x network.When carrying out the CDMA positioning flow based on user face, first can interrupt LTE data cube computation LTE/CDMA dual-mode terminal carrying out data service under normal circumstances, and then initiate CDMA data cube computation.Therefore, initiate the CDMA positioning flow based on user face and the LTE positioning flow based on chain of command simultaneously, the frequent disconnection of LTE data cube computation can be caused, affect the data service on LTE/CDMA dual-mode terminal, greatly have influence on the business experience of user.
Summary of the invention
Embodiment of the present invention technical problem to be solved is: provide a kind of positioning service treatment method for LTE/CDMA dual-mode terminal and system, to avoid the waste of locating resource and signaling consumption, reduce the problem that terminal frequently disconnects LTE data cube computation, effectively promote the business experience of user.
A kind of positioning service treatment method for LTE/CDMA dual-mode terminal that the embodiment of the present invention provides, comprising:
Location services client LCSClient initiates the Location Request to LTE/CDMA dual-mode terminal respectively to Gateway Mobile Location Center GMLC and mobile positioning center MPC, and described Location Request comprises the first user mark of LTE/CDMA dual-mode terminal in Long Term Evolution LTE network and the second user ID in Code Division Multiple Access (CDMA) network;
First positioning service routing iinformation of the described LTE/CDMA dual-mode terminal that GMLC obtains based on the home subscriber server HSS from LTE/CDMA dual-mode terminal users, comprise described LTE/CDMA dual-mode terminal at the attachment information of LTE network and the described GMLC routing iinformation to described LTE/CDMA dual-mode terminal, initiate the LTE positioning flow based on chain of command, and when locating successfully, return the positioning result message of described LTE/CDMA dual-mode terminal to LCSClient;
Locate unsuccessfully in response to GMLC, second positioning service routing iinformation of the described LTE/CDMA dual-mode terminal that MPC obtains based on the attaching position register HLR from LTE/CDMA dual-mode terminal users, comprise described LTE/CDMA dual-mode terminal at the attachment information of cdma network and the described MPC routing iinformation to described LTE/CDMA dual-mode terminal, initiate the CDMA positioning flow based on user face, and when locating successfully, return the positioning result message of described LTE/CDMA dual-mode terminal to LCSClient.
A kind of positioning service treatment system for LTE/CDMA dual-mode terminal that the embodiment of the present invention provides, comprises LCSClient, GMLC, HSS, MPC and HLR; Wherein:
HSS, for storing LTE/CDMA dual-mode terminal at the attachment information of LTE network and current location information;
HLR, for storing LTE/CDMA dual-mode terminal at the attachment information of cdma network and current location information;
LCSClient, for initiating Location Request to LTE/CDMA dual-mode terminal respectively to GMLC and MPC, described Location Request comprises the first user mark of LTE/CDMA dual-mode terminal in Long Term Evolution LTE network and the second user ID in Code Division Multiple Access (CDMA) network;
GMLC, for the first positioning service routing iinformation of described LTE/CDMA dual-mode terminal obtained based on the HSS from LTE/CDMA dual-mode terminal users, comprise described LTE/CDMA dual-mode terminal at the attachment information of LTE network and the described GMLC routing iinformation to described LTE/CDMA dual-mode terminal, initiate the LTE positioning flow based on chain of command, and when locating successfully, return the positioning result message of described LTE/CDMA dual-mode terminal to described LCSClient;
MPC, for locating unsuccessfully in response to GMLC, second positioning service routing iinformation of the described LTE/CDMA dual-mode terminal that MPC obtains based on the attaching position register HLR from LTE/CDMA dual-mode terminal users, comprise described LTE/CDMA dual-mode terminal at the attachment information of cdma network and the described MPC routing iinformation to described LTE/CDMA dual-mode terminal, initiate the CDMA positioning flow based on user face, and when locating successfully, return the positioning result message of described LTE/CDMA dual-mode terminal to LCSClient.
The positioning service treatment method for LTE/CDMA dual-mode terminal provided based on the above embodiment of the present invention and system, for the Location Request that LCSClient sends respectively, first positioning service routing iinformation of the LTE/CDMA dual-mode terminal that can first be obtained based on the HSS from LTE/CDMA dual-mode terminal users by GMLC initiates the LTE positioning flow based on chain of command, when GMLC locates unsuccessfully, initiated based on the CDMA positioning flow in user face based on the second positioning service routing iinformation of the LTE/CDMA dual-mode terminal of the acquisition from LTE/CDMA dual-mode terminal users by MPC again.Compared with prior art, the waste simultaneously carrying out locating resource that the CDMA positioning flow based on user face and the LTE positioning flow based on chain of command cause and signaling consumption is avoided; And, without the need to carrying out the CDMA positioning flow based on user face again under GMLC locates successful situation, avoid the frequent disconnection problem of the LTE data cube computation caused thus, reduce the problem that terminal frequently disconnects LTE data cube computation, data service on effective guarantee LTE/CDMA dual-mode terminal, effective business experience promoting user.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the positioning service treatment method embodiment that the present invention is directed to LTE/CDMA dual-mode terminal;
Fig. 2 is the flow chart of another embodiment of positioning service treatment method that the present invention is directed to LTE/CDMA dual-mode terminal;
Fig. 3 is the flow chart based on a LTE positioning flow embodiment of chain of command in the embodiment of the present invention;
Fig. 4 is the flow chart based on a CDMA positioning flow embodiment in user face in the embodiment of the present invention;
Fig. 5 is the structural representation of the positioning service treatment system embodiment that the present invention is directed to LTE/CDMA dual-mode terminal.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the flow chart of the positioning service treatment method embodiment that the present invention is directed to LTE/CDMA dual-mode terminal.As shown in Figure 1, this embodiment comprises for the positioning service treatment method of LTE/CDMA dual-mode terminal:
101, LCSClient initiates Location Request to LTE/CDMA dual-mode terminal respectively to GMLC and MPC, and this Location Request comprises the first user mark of LTE/CDMA dual-mode terminal in Long Term Evolution LTE network and the second user ID in Code Division Multiple Access (CDMA) network.
102, first positioning service routing iinformation of the LTE/CDMA dual-mode terminal that GMLC obtains based on the HSS from LTE/CDMA dual-mode terminal users to be positioned, comprise this LTE/CDMA dual-mode terminal at the attachment information of LTE network and the GMLC routing iinformation to this LTE/CDMA dual-mode terminal, initiate the LTE positioning flow based on chain of command, and when locating successfully, return the positioning result message of LTE/CDMA dual-mode terminal to LCSClient.
Wherein, in the attachment information of LTE network, LTE/CDMA dual-mode terminal refers to whether this LTE/CDMA dual-mode terminal is attached to the information of LTE network; GMLC is to the routing iinformation of this LTE/CDMA dual-mode terminal, the information sent to this LTE/CDMA dual-mode terminal based on GMLC in the LTE positioning flow of chain of command referring to that GMLC initiates arrives the necessary routing iinformation of this LTE/CDMA dual-mode terminal, include but not limited to necessary mobile management entity (MobilityManagementEntity, hereinafter referred to as: MME), the information such as base station.
103, locate unsuccessfully in response to GMLC, second positioning service routing iinformation of the LTE/CDMA dual-mode terminal that MPC obtains based on the HLR from LTE/CDMA dual-mode terminal users to be positioned, comprise this LTE/CDMA dual-mode terminal at the attachment information of cdma network and the MPC routing iinformation to this LTE/CDMA dual-mode terminal, initiate the CDMA positioning flow based on user face, and when locating successfully, return the positioning result message of LTE/CDMA dual-mode terminal to LCSClient.
Wherein, in the attachment information of cdma network, LTE/CDMA dual-mode terminal refers to whether this LTE/CDMA dual-mode terminal is attached to the information of cdma network; MPC is to the routing iinformation of this LTE/CDMA dual-mode terminal, the information sent to this LTE/CDMA dual-mode terminal based on MPC in the CDMA positioning flow in user face referring to that MPC initiates arrives the necessary routing iinformation of this LTE/CDMA dual-mode terminal, includes but not limited to the information such as necessary base station.
Based on the positioning service treatment method for LTE/CDMA dual-mode terminal that the above embodiment of the present invention provides, for the Location Request that LCSClient sends respectively, first positioning service routing iinformation of the LTE/CDMA dual-mode terminal that can first be obtained based on the HSS from LTE/CDMA dual-mode terminal users by GMLC initiates the LTE positioning flow based on chain of command, when GMLC locates unsuccessfully, then initiated based on the CDMA positioning flow in user face based on the second positioning service routing iinformation of the LTE/CDMA dual-mode terminal of the acquisition from LTE/CDMA dual-mode terminal users by MPC.Avoid the waste simultaneously carrying out locating resource that the CDMA positioning flow based on user face and the LTE positioning flow based on chain of command cause and signaling consumption; And, without the need to carrying out the CDMA positioning flow based on user face again under GMLC locates successful situation, avoid the frequent disconnection problem of the LTE data cube computation caused thus, reduce the problem that terminal frequently disconnects LTE data cube computation, data service on effective guarantee LTE/CDMA dual-mode terminal, effective business experience promoting user.
According to the specific embodiment of positioning service treatment method that the present invention is directed to LTE/CDMA dual-mode terminal, in the embodiment shown in fig. 1, after GMLC receives the Location Request of LCSClient transmission, can also based on the first user mark in Location Request, the first route request information is sent, the first positioning service routing iinformation of the LTE/CDMA dual-mode terminal to be positioned that this first user of acquisition request mark is corresponding to corresponding HSS.Correspondingly, HSS is according to this first route request information, inquire LTE/CDMA dual-mode terminal to be positioned after the attachment information of LTE network, obtain the routing iinformation of this GMLC to LTE/CDMA dual-mode terminal, and return the first positioning service routing iinformation of LTE/CDMA dual-mode terminal users to be positioned to GMLC, so that GMLC initiates the LTE positioning flow based on chain of command based on this first positioning service routing iinformation.
According to of the present invention one exemplary and unrestricted, if HSS does not inquire the attachment information of LTE/CDMA dual-mode terminal to be positioned in LTE network, then return route requests failure response message to GMLC.
Further exemplarily, the route requests failure response message that GMLC can return in response to location failure or HSS, send location failure notification message to MPC, this location failure notification message comprises the second user ID; MPC, based on the second user ID, sends secondary route request message to HLR, the second positioning service routing iinformation of acquisition request LTE/CDMA dual-mode terminal; HLR inquires LTE/CDMA dual-mode terminal after the attachment information of cdma network, obtain the routing iinformation of MPC to LTE/CDMA dual-mode terminal, and return the second positioning service routing iinformation of LTE/CDMA dual-mode terminal users to MPC, so that MPC initiates the CDMA positioning flow based on user face based on this second positioning service routing iinformation.
In actual applications, HSS and HLR can be wholely set various embodiments of the present invention, is wholely set the entity obtained and is called HSS/HLR entity.Then basis the present invention is directed to another specific embodiment of the positioning service treatment method of LTE/CDMA dual-mode terminal, after in the embodiment shown in fig. 1 101, can also comprise:
GMLC identifies based on first user, sends the first route request information to HSS/HLR entity, the first positioning service routing iinformation of acquisition request LTE/CDMA dual-mode terminal; Meanwhile, MPC, based on the second user ID, sends secondary route request message to HSS/HLR entity, the second positioning service routing iinformation of acquisition request LTE/CDMA dual-mode terminal;
HSS/HLR object query to LTE/CDMA dual-mode terminal after the attachment information of LTE network and cdma network, obtain the routing iinformation of GMLC to LTE/CDMA dual-mode terminal, and return the first positioning service routing iinformation of LTE/CDMA dual-mode terminal users to GMLC, so that GMLC initiates the LTE positioning flow based on chain of command based on this first positioning service routing iinformation.
Exemplarily, GMLC is in response to locating unsuccessfully, and can send location failure notification message to MPC, this location failure notification message comprises the second user ID;
MPC, based on the second user ID in the failure notification message of location, sends secondary route request message to HSS/HLR entity, the second positioning service routing iinformation of acquisition request LTE/CDMA dual-mode terminal again;
HSS/HLR entity obtains the routing iinformation of MPC to LTE/CDMA dual-mode terminal, and to returning the second positioning service routing iinformation of LTE/CDMA dual-mode terminal users, so that MPC initiates the CDMA positioning flow based on user face based on this second positioning service routing iinformation.
In addition, if HSS/HLR entity only inquires the attachment information of LTE/CDMA dual-mode terminal in LTE network, after receiving the secondary route request message that MPC resends, route requests failure response message can be returned to MPC.
If HSS/HLR entity only inquires the attachment information of LTE/CDMA dual-mode terminal at cdma network, then obtain the routing iinformation of MPC to LTE/CDMA dual-mode terminal, and to returning the second positioning service routing iinformation of LTE/CDMA dual-mode terminal users, so that MPC directly initiates the CDMA positioning flow based on user face based on this second positioning service routing iinformation.
In addition, according to an embody rule of the embodiment of the present invention, in actual applications, GMLC and MPC can be wholely set, and the network entity be wholely set can be called location gateway GMLC/MPC.
Fig. 2 is the flow chart of the positioning service treatment method embodiment that the present invention is directed to LTE/CDMA dual-mode terminal.As shown in Figure 2, this embodiment comprises for the positioning service treatment method of LTE/CDMA dual-mode terminal:
201, LCSClient initiates the Location Request to LTE/CDMA dual-mode terminal to location gateway GMLC/MPC, and this Location Request comprises the first user mark of LTE/CDMA dual-mode terminal in Long Term Evolution LTE network and the second user ID in Code Division Multiple Access (CDMA) network.
202, location gateway GMLC/MPC sends the route request information of LCS to HSS/HLR entity.
Particularly, GMLC identifies based on first user, sends the first route request information to HSS/HLR entity, the first positioning service routing iinformation of acquisition request LTE/CDMA dual-mode terminal; Meanwhile, MPC, based on the second user ID in the failure notification message of location, sends secondary route request message to HSS/HLR entity, the second positioning service routing iinformation of acquisition request LTE/CDMA dual-mode terminal.
203, HSS/HLR object query to LTE/CDMA dual-mode terminal after the attachment information of LTE network and cdma network, the routing iinformation of preferential acquisition GMLC to LTE/CDMA dual-mode terminal, and confirm that (ACK) message to return the first positioning service routing iinformation of LTE/CDMA dual-mode terminal users to GMLC by route requests, comprising LTE/CDMA dual-mode terminal at the attachment information of LTE network, now corresponding visited place GMLC and this visited place GMLC to the routing iinformation of this LTE/CDMA dual-mode terminal.
204, GMLC initiates the location service request to this LTE/CDMA dual-mode terminal to visited place GMLC, and this location service request comprises the routing iinformation of visited place GMLC to LTE/CDMA dual-mode terminal.
205, visited place GMLC is based on the routing iinformation to LTE/CDMA dual-mode terminal, and carry out alternately with corresponding MME, E-SLMC, the LTE positioning flow of initiating based on chain of command positions LTE/CDMA dual-mode terminal, and when locating successfully, obtain the positioning result of LTE/CDMA dual-mode terminal.
206, visited place GMLC to GMLC restoring to normal position service response message, comprising positioning result or the location failure notification information of LTE/CDMA dual-mode terminal.
207, GMLC identifies whether to locate successfully based on positioning service response message, if comprising the positioning result of LTE/CDMA dual-mode terminal, then performs the operation of 208.If comprising be location failure notification information, then perform the operation of 209.
208, GMLC returns the positioning result message of LTE/CDMA dual-mode terminal to LCSClient.
Afterwards, the follow-up flow process of the present embodiment is no longer performed.
209, GMLC sends location failure notification message by internal interface to MPC, and this location failure notification message comprises the second user ID.
210, MPC, based on the second user ID in the failure notification message of location, sends secondary route request message to HSS/HLR entity, the second positioning service routing iinformation of acquisition request LTE/CDMA dual-mode terminal again.
211, HSS/HLR entity obtains the routing iinformation of MPC to LTE/CDMA dual-mode terminal, and confirm that (ACK) message to return the second positioning service routing iinformation of LTE/CDMA dual-mode terminal users to MPC by route requests, comprising LTE/CDMA dual-mode terminal at the attachment information of cdma network, now corresponding visited place MPC and this visited place MPC to the routing iinformation of this LTE/CDMA dual-mode terminal.
212, MPC initiates the location service request to this LTE/CDMA dual-mode terminal to visited place MPC, and this location service request comprises the routing iinformation of visited place MPC to this LTE/CDMA dual-mode terminal.
213, visited place MPC is based on the routing iinformation to LTE/CDMA dual-mode terminal, and carry out alternately with corresponding PDE, the CDMA positioning flow of initiating based on user face positions LTE/CDMA dual-mode terminal, and when locating successfully, obtain the positioning result of LTE/CDMA dual-mode terminal.
214, visited place GMLC to GMLC restoring to normal position service response message, comprising positioning result or the location failure notification information of LTE/CDMA dual-mode terminal.
215, MPC, based on positioning service response message, if comprising the positioning result of LTE/CDMA dual-mode terminal, then performs the operation of 216.If comprising be location failure notification information, then perform the operation of 217.
216, MPC returns the positioning result message of LTE/CDMA dual-mode terminal to LCSClient.
Afterwards, the follow-up flow process of the present embodiment is no longer performed.
217, MPC is to LCSClient restoring to normal position failure notification message, and this location failure notification message comprises the second user ID.
Fig. 3 is the flow chart based on a LTE positioning flow embodiment of chain of command in the embodiment of the present invention, this embodiment gives the idiographic flow that GMLC initiates to position LTE/CDMA dual-mode terminal based on the LTE positioning flow of chain of command.GMLC is wherein ownership place GMLC when roaming does not occur LTE/CDMA dual-mode terminal, states in embodiment on the invention and is namely called GMLC, is visited place GMLC when roaming occurs LTE/CDMA dual-mode terminal.As shown in Figure 3, it comprises following flow process:
301, GMLC sends the localization message of LTE/CDMA dual-mode terminal users to be positioned to MME, comprise the first user mark of LTE/CDMA dual-mode terminal users to be positioned, such as, align_type, international mobile subscriber identity (InternationalMobileSubscriberIdentity, hereinafter referred to as: IMSI), location quality of service (QoS) information etc.Wherein, the align_type i.e. concrete locate mode adopted in this location.
302, LTE network initiates the network-triggered Location Request to this LTE/CDMA dual-mode terminal.
303, MME by Non-Access Stratum (Non-AccessStratum, hereinafter referred to as: NAS) message to LTE/CDMA dual-mode terminal send positioning notification message, to obtain the license of LTE/CDMA dual-mode terminal users to this positioning service.
After 304, LTE/CDMA dual-mode terminal users permits this positioning service, LTE/CDMA dual-mode terminal sends location notification of permit message by NAS message to MME.
305, MME selects an E-SMLC to send locating request message, and this locating request message comprises the cell ID (ID) etc. at align_type, location QoS information, the current place of LTE/CDMA dual-mode terminal.
306, E-SMLC initiates position fixing process according to locating request message, by the information interaction with MME, wireless access network (RAN) and LTE/CDMA dual-mode terminal, the position of LTE/CDMA dual-mode terminal is calculated, obtains the location coordinate information of this LTE/CDMA dual-mode terminal.
Such as, E-SMLC can adopt " triangulation location " position to LTE/CDMA dual-mode terminal to calculate, that is: obtain the latitude and longitude coordinates of three base stations nearest apart from this LTE/CDMA dual-mode terminal according to community ID, LTE/CDMA dual-mode terminal transmits a signal to the distance reaching three base stations, calculate the location coordinate information of this LTE/CDMA dual-mode terminal.
307, E-SMLC sends position response message, comprising the location coordinate information of this LTE/CDMA dual-mode terminal to MME.
308, MME returns the location coordinate information of this LTE/CDMA dual-mode terminal to GLMC, i.e. the locating result information of this LTE/CDMA dual-mode terminal.
Fig. 4 is the flow chart based on a CDMA positioning flow embodiment in user face in the embodiment of the present invention, this embodiment gives the idiographic flow that MPC initiates to position LTE/CDMA dual-mode terminal based on the CDMA positioning flow in user face.MPC is wherein ownership place MPC when roaming does not occur LTE/CDMA dual-mode terminal, states in embodiment on the invention and is namely called MP, is visited place MPC when roaming occurs LTE/CDMA dual-mode terminal.As shown in Figure 4, it comprises following flow process:
401, MPC sends locating short message to ask location to LTE/CDMA dual-mode terminal.
After 402, LTE/CDMA dual-mode terminal users permits this positioning service, return to MPC and start positioning flow request message.
403, MPC sends Location Request to PDE.
404, PDE returns a Location Request to MPC and confirms (ACK) message, confirms that it prepares to accept the positioning service IS-801 message from LTE/CDMA dual-mode terminal.
405, MPC sends to LTE/CDMA dual-mode terminal the beginning positioning flow response message that comprises PDE address used and port numbers.
Between 406, PDE and LTE/CDMA dual-mode terminals, mutual positioning service IS-801 message, obtains the positioning result of LTE/CDMA dual-mode terminal.
407, PDE returns the positioning result of LTE/CDMA dual-mode terminal to MPC.
It should be noted that, Fig. 3 and Fig. 4 only exemplarily gives a LTE positioning flow based on chain of command and the CDMA positioning flow based on user face respectively, but the embodiment of the present invention is not limited to above-mentioned positioning flow.Such as, terminal positioning can be divided into positive location and third party to locate.Wherein, positive location is terminal use when hope obtains oneself current geographic position, operating handset position application software, such as: Mobile Telephone Gps software, comes to initiate location to LCSClient.When third party location is certain terminal use of application side (also referred to as third party) hope acquisition current geographical position, use mobile communications network to initiate the location to terminal to LCSClient, terminal use not necessarily recognized at that time has third party to position it.After LCSClient obtains positioning result, the corresponding positioning result message returning terminal to terminal or application side.Such as, the CDMA location based on user face can provide again the locate mode calculated based on terminal and the locate mode calculated based on platform.Wherein, the location calculated based on terminal is initiated by terminal, positioning calculation process completes on mobile terminals, the locate mode that should calculate based on mobile terminal comprises based on mobile terminal that (MobileStationBased, hereinafter referred to as MSB) station-keeping mode and independent mobile terminals (Standalone) station-keeping mode.The location calculated based on platform is initiated by the network platform, positioning calculation process completes in network location server, the station-keeping mode that should calculate in platform comprises mobile terminal, and auxiliary (MobileStationAssisted, hereinafter referred to as MSA) station-keeping mode.
For another example, if adopt MSA positioning flow to position in the embodiment shown in fig. 4, then the operation of 405 ~ 407 can be specifically: LTE/CDMA dual-mode terminal obtains the ephemeris information of gps satellite from MPC; LTE/CDMA dual-mode terminal carries out gps satellite search according to the ephemeris information of gps satellite, and sends to PDE by searching for the gps satellite signal information obtained; The gps satellite signal information that PDE is sent by LTE/CDMA dual-mode terminal positions calculating, obtains the positioning result of LTE/CDMA dual-mode terminal, and positioning result is sent to MPC.
Therefore, can realize by existing any locate mode with based on the CDMA positioning flow in user face based on the LTE positioning flow of chain of command in the embodiment of the present invention, those skilled in the art should not be confined to based on the LTE positioning flow of chain of command and based on the CDMA positioning flow in user face the example that Fig. 3, Fig. 4 only provide by each for positioning service treatment method of the present invention embodiment.
Fig. 5 is the structural representation of the positioning service treatment system embodiment that the present invention is directed to LTE/CDMA dual-mode terminal.The positioning service treatment system of this embodiment can be used in the present invention the flow process of above-mentioned positioning service treatment method embodiment.As shown in Figure 5, it comprises LCSClient, GMLC, HSS, MPC and HLR.Wherein:
HSS, for storing LTE/CDMA dual-mode terminal at the attachment information of LTE network and current location information.
HLR, for storing LTE/CDMA dual-mode terminal at the attachment information of cdma network and current location information.
LCSClient, for initiating Location Request to LTE/CDMA dual-mode terminal respectively to GMLC and MPC, this Location Request comprises the first user mark of LTE/CDMA dual-mode terminal in Long Term Evolution LTE network and the second user ID in Code Division Multiple Access (CDMA) network.
GMLC, for the first positioning service routing iinformation of LTE/CDMA dual-mode terminal obtained based on the HSS from LTE/CDMA dual-mode terminal users, comprise the attachment information of LTE/CDMA dual-mode terminal in LTE network and the routing iinformation of GMLC to LTE/CDMA dual-mode terminal, initiate the LTE positioning flow based on chain of command, and when locating successfully, return the positioning result message of LTE/CDMA dual-mode terminal to LCSClient.
MPC, for locating unsuccessfully in response to GMLC, second positioning service routing iinformation of the LTE/CDMA dual-mode terminal that MPC obtains based on the attaching position register HLR from LTE/CDMA dual-mode terminal users, comprise the attachment information of LTE/CDMA dual-mode terminal at cdma network and the routing iinformation of MPC to LTE/CDMA dual-mode terminal, initiate the CDMA positioning flow based on user face, and when locating successfully, return the positioning result message of LTE/CDMA dual-mode terminal to LCSClient.
Based on the positioning service treatment system for LTE/CDMA dual-mode terminal that the above embodiment of the present invention provides, for the Location Request that LCSClient sends respectively, first positioning service routing iinformation of the LTE/CDMA dual-mode terminal that can first be obtained based on the HSS from LTE/CDMA dual-mode terminal users by GMLC initiates the LTE positioning flow based on chain of command, when GMLC locates unsuccessfully, then initiated based on the CDMA positioning flow in user face based on the second positioning service routing iinformation of the LTE/CDMA dual-mode terminal of the acquisition from LTE/CDMA dual-mode terminal users by MPC.Avoid the waste simultaneously carrying out locating resource that the CDMA positioning flow based on user face and the LTE positioning flow based on chain of command cause and signaling consumption; And, without the need to carrying out the CDMA positioning flow based on user face again under GMLC locates successful situation, avoid the frequent disconnection problem of the LTE data cube computation caused thus, reduce the problem that terminal frequently disconnects LTE data cube computation, data service on effective guarantee LTE/CDMA dual-mode terminal, effective business experience promoting user.
Corresponding to the present invention's above-mentioned positioning service treatment method embodiment, unrestricted according to a concrete example of the present invention, in the positioning service treatment system shown in Fig. 5, GMLC, specifically can identify based on first user, the first route request information is sent, the first positioning service routing iinformation of acquisition request LTE/CDMA dual-mode terminal to HSS.Accordingly, HSS is specifically after inquiring the attachment information of LTE/CDMA dual-mode terminal in LTE network, obtain the routing iinformation of GMLC to LTE/CDMA dual-mode terminal, and return the first positioning service routing iinformation of LTE/CDMA dual-mode terminal users to GMLC, so that GMLC initiates the LTE positioning flow based on chain of command based on this first positioning service routing iinformation.
Unrestricted according to another example of the present invention, HSS is also used in and does not inquire LTE/CDMA dual-mode terminal when the attachment information of LTE network, returns route requests failure response message to GMLC.
Unrestricted according to concrete example further of the present invention, GMLC also can be used for the route requests failure response message returned in response to location failure or HSS, sends location failure notification message to MPC, and location failure notification message comprises the second user ID.Accordingly, MPC specifically based on the second user ID, can send secondary route request message to HLR, the second positioning service routing iinformation of acquisition request LTE/CDMA dual-mode terminal.HLR is specifically after inquiring the attachment information of LTE/CDMA dual-mode terminal at cdma network, obtain the routing iinformation of MPC to LTE/CDMA dual-mode terminal, and return the second positioning service routing iinformation of LTE/CDMA dual-mode terminal users to MPC, so that MPC initiates the CDMA positioning flow based on user face based on this second positioning service routing iinformation.
Corresponding to the present invention's above-mentioned positioning service treatment method embodiment, unrestricted according to another concrete example of the present invention, in the positioning service treatment system shown in Fig. 5, HSS and HLR can be wholely set, and obtains HSS/HLR entity.Accordingly, GMLC specifically based on the first user mark in Location Request, sends the first route request information to HSS/HLR entity, the first positioning service routing iinformation of acquisition request LTE/CDMA dual-mode terminal; Meanwhile, MPC, specifically based on the second user ID, sends secondary route request message to HSS/HLR entity, the second positioning service routing iinformation of acquisition request LTE/CDMA dual-mode terminal.HSS/HLR entity, specifically after inquiring the attachment information of LTE/CDMA dual-mode terminal at LTE network and cdma network, obtain the routing iinformation of GMLC to LTE/CDMA dual-mode terminal, and return the first positioning service routing iinformation of LTE/CDMA dual-mode terminal users to GMLC, so that GMLC initiates the LTE positioning flow based on chain of command based on this first positioning service routing iinformation.
Unrestricted according to Still another example of the present invention, GMLC, also can be used in response to locating unsuccessfully, sends location failure notification message to MPC, and location failure notification message comprises the second user ID.Accordingly, MPC, also can be used for based on the second user ID, again sends secondary route request message to HSS/HLR entity, the second positioning service routing iinformation of acquisition request LTE/CDMA dual-mode terminal.HSS/HLR entity, also for obtaining the routing iinformation of MPC to LTE/CDMA dual-mode terminal, and to returning the second positioning service routing iinformation of LTE/CDMA dual-mode terminal users, so that MPC initiates the CDMA positioning flow based on user face based on this second positioning service routing iinformation.
In addition, HSS/HLR entity, if also for only inquiring the attachment information of LTE/CDMA dual-mode terminal in LTE network, after receiving the secondary route request message that MPC resends, returns route requests failure response message to MPC.
Unrestricted according to concrete example further of the present invention, HSS/HLR entity, the attachment information of LTE/CDMA dual-mode terminal at cdma network is only inquired if also can be used for, then obtain the routing iinformation of MPC to LTE/CDMA dual-mode terminal, and to returning the second positioning service routing iinformation of LTE/CDMA dual-mode terminal users, so that MPC directly initiates the CDMA positioning flow based on user face based on this second positioning service routing iinformation.
Further exemplarily, then see Fig. 5, state on the invention in each positioning service treatment system, GMLC and MPC can be wholely set.In addition, GMLC and MPC also can be provided separately, Fig. 5 illustrate only the concrete example that GMLC and MPC is wholely set, and those skilled in the art can know dawn, and the embodiment of the present invention is not limited to example that GMLC and MPC is wholely set to realize the various embodiments described above of the present invention.
In this specification, each embodiment all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, same or analogous part cross-reference between each embodiment.For device embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
The embodiment of the present invention avoids the waste simultaneously carrying out locating resource that the CDMA positioning flow based on user face and the LTE positioning flow based on chain of command cause and signaling consumption; And, without the need to carrying out the CDMA positioning flow based on user face again under GMLC locates successful situation, avoid the frequent disconnection problem of the LTE data cube computation caused thus, reduce the problem that terminal frequently disconnects LTE data cube computation, data service on effective guarantee LTE/CDMA dual-mode terminal, effective business experience promoting user.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (18)
1. for a positioning service treatment method for LTE/CDMA dual-mode terminal, it is characterized in that, comprising:
Location services client LCSClient initiates the Location Request to LTE/CDMA dual-mode terminal respectively to Gateway Mobile Location Center GMLC and mobile positioning center MPC, and described Location Request comprises the first user mark of LTE/CDMA dual-mode terminal in Long Term Evolution LTE network and the second user ID in Code Division Multiple Access (CDMA) network;
First positioning service routing iinformation of the described LTE/CDMA dual-mode terminal that GMLC obtains based on the home subscriber server HSS from LTE/CDMA dual-mode terminal users, comprise described LTE/CDMA dual-mode terminal at the attachment information of LTE network and the described GMLC routing iinformation to described LTE/CDMA dual-mode terminal, initiate the LTE positioning flow based on chain of command, and when locating successfully, return the positioning result message of described LTE/CDMA dual-mode terminal to LCSClient;
Locate unsuccessfully in response to GMLC, second positioning service routing iinformation of the described LTE/CDMA dual-mode terminal that MPC obtains based on the attaching position register HLR from LTE/CDMA dual-mode terminal users, comprise described LTE/CDMA dual-mode terminal at the attachment information of cdma network and the described MPC routing iinformation to described LTE/CDMA dual-mode terminal, initiate the CDMA positioning flow based on user face, and when locating successfully, return the positioning result message of described LTE/CDMA dual-mode terminal to LCSClient.
2. method according to claim 1, is characterized in that, also comprises:
GMLC identifies based on first user, sends the first route request information to described HSS, the first positioning service routing iinformation of LTE/CDMA dual-mode terminal described in acquisition request;
Described HSS inquires described LTE/CDMA dual-mode terminal after the attachment information of LTE network, obtain the routing iinformation of described GMLC to described LTE/CDMA dual-mode terminal, and return the first positioning service routing iinformation of described LTE/CDMA dual-mode terminal users to described GMLC, so that GMLC initiates the LTE positioning flow based on chain of command based on this first positioning service routing iinformation.
3. method according to claim 2, is characterized in that, also comprises:
If described HSS does not inquire the attachment information of described LTE/CDMA dual-mode terminal in LTE network, described HSS returns route requests failure response message to described GMLC.
4. method according to claim 3, is characterized in that, also comprises:
GMLC is in response to the route requests failure response message of locating unsuccessfully or described HSS returns, and send location failure notification message to MPC, described location failure notification message comprises the second user ID;
MPC, based on the second user ID, sends secondary route request message to described HLR, the second positioning service routing iinformation of LTE/CDMA dual-mode terminal described in acquisition request;
Described HLR inquires described LTE/CDMA dual-mode terminal after the attachment information of cdma network, obtain the routing iinformation of described MPC to described LTE/CDMA dual-mode terminal, and return the second positioning service routing iinformation of described LTE/CDMA dual-mode terminal users to described MPC, so that MPC initiates the CDMA positioning flow based on user face based on this second positioning service routing iinformation.
5. method according to claim 1, is characterized in that, described HSS and described HLR is wholely set;
LCSClient also comprises after initiating the Location Request to LTE/CDMA dual-mode terminal respectively to GMLC and MPC:
GMLC identifies based on first user, is wholely set the HSS/HLR entity obtained sends the first route request information to described HSS and described HLR, the first positioning service routing iinformation of LTE/CDMA dual-mode terminal described in acquisition request; Meanwhile, MPC, based on the second user ID, sends secondary route request message to described HSS/HLR entity, the second positioning service routing iinformation of LTE/CDMA dual-mode terminal described in acquisition request;
Described HSS/HLR object query to described LTE/CDMA dual-mode terminal after the attachment information of LTE network and cdma network, obtain the routing iinformation of described GMLC to described LTE/CDMA dual-mode terminal, and return the first positioning service routing iinformation of described LTE/CDMA dual-mode terminal users to described GMLC, so that GMLC initiates the LTE positioning flow based on chain of command based on this first positioning service routing iinformation.
6. method according to claim 5, is characterized in that, also comprises:
GMLC is in response to locating unsuccessfully, and send location failure notification message to MPC, described location failure notification message comprises the second user ID;
MPC, based on the second user ID, sends secondary route request message to described HSS/HLR entity, the second positioning service routing iinformation of LTE/CDMA dual-mode terminal described in acquisition request again;
Described HSS/HLR entity obtains the routing iinformation of described MPC to described LTE/CDMA dual-mode terminal, and return the second positioning service routing iinformation of described LTE/CDMA dual-mode terminal users to described MPC, so that MPC initiates the CDMA positioning flow based on user face based on this second positioning service routing iinformation.
7. method according to claim 5, it is characterized in that, if described HSS/HLR entity only inquires the attachment information of described LTE/CDMA dual-mode terminal in LTE network, after receiving the secondary route request message that MPC resends, return route requests failure response message to MPC.
8. method according to claim 5, it is characterized in that, if described HSS/HLR entity only inquires the attachment information of described LTE/CDMA dual-mode terminal at cdma network, then obtain the routing iinformation of described MPC to described LTE/CDMA dual-mode terminal, and return the second positioning service routing iinformation of described LTE/CDMA dual-mode terminal users to described MPC, so that MPC directly initiates the CDMA positioning flow based on user face based on this second positioning service routing iinformation.
9. the method according to claim 1 to 8 any one, is characterized in that, GMLC and MPC is wholely set.
10. the positioning service treatment system for LTE/CDMA dual-mode terminal, it is characterized in that, comprise location services client LCSClient, Gateway Mobile Location Center GMLC, home subscriber server HSS, mobile positioning center MPC and attaching position register HLR; Wherein:
HSS, for storing LTE/CDMA dual-mode terminal at the attachment information of LTE network and current location information;
HLR, for storing LTE/CDMA dual-mode terminal at the attachment information of cdma network and current location information;
LCSClient, for initiating Location Request to LTE/CDMA dual-mode terminal respectively to GMLC and MPC, described Location Request comprises the first user mark of LTE/CDMA dual-mode terminal in Long Term Evolution LTE network and the second user ID in Code Division Multiple Access (CDMA) network;
GMLC, for the first positioning service routing iinformation of described LTE/CDMA dual-mode terminal obtained based on the HSS from LTE/CDMA dual-mode terminal users, comprise described LTE/CDMA dual-mode terminal at the attachment information of LTE network and the described GMLC routing iinformation to described LTE/CDMA dual-mode terminal, initiate the LTE positioning flow based on chain of command, and when locating successfully, return the positioning result message of described LTE/CDMA dual-mode terminal to described LCSClient;
MPC, for locating unsuccessfully in response to GMLC, second positioning service routing iinformation of the described LTE/CDMA dual-mode terminal that MPC obtains based on the attaching position register HLR from LTE/CDMA dual-mode terminal users, comprise described LTE/CDMA dual-mode terminal at the attachment information of cdma network and the described MPC routing iinformation to described LTE/CDMA dual-mode terminal, initiate the CDMA positioning flow based on user face, and when locating successfully, return the positioning result message of described LTE/CDMA dual-mode terminal to LCSClient.
11. systems according to claim 10, is characterized in that, described GMLC, specifically based on first user mark, send the first route request information, the first positioning service routing iinformation of LTE/CDMA dual-mode terminal described in acquisition request to described HSS;
Described HSS, specifically after inquiring the attachment information of described LTE/CDMA dual-mode terminal in LTE network, obtain the routing iinformation of described GMLC to described LTE/CDMA dual-mode terminal, and return the first positioning service routing iinformation of described LTE/CDMA dual-mode terminal users to described GMLC, so that GMLC initiates the LTE positioning flow based on chain of command based on this first positioning service routing iinformation.
12. systems according to claim 11, is characterized in that, described HSS, also for when not inquiring the attachment information of described LTE/CDMA dual-mode terminal in LTE network, return route requests failure response message to described GMLC.
13. systems according to claim 12, it is characterized in that, described GMLC, also in response to the route requests failure response message of locating unsuccessfully or described HSS returns, send location failure notification message to MPC, described location failure notification message comprises the second user ID;
Described MPC, specifically based on the second user ID, sends secondary route request message to described HLR, the second positioning service routing iinformation of LTE/CDMA dual-mode terminal described in acquisition request;
Described HLR, specifically after inquiring the attachment information of described LTE/CDMA dual-mode terminal at cdma network, obtain the routing iinformation of described MPC to described LTE/CDMA dual-mode terminal, and return the second positioning service routing iinformation of described LTE/CDMA dual-mode terminal users to described MPC, so that MPC initiates the CDMA positioning flow based on user face based on this second positioning service routing iinformation.
14. systems according to claim 10, is characterized in that, described HSS and described HLR is wholely set and obtains HSS/HLR entity;
Described GMLC, specifically based on the first user mark in described Location Request, sends the first route request information to described HSS/HLR entity, the first positioning service routing iinformation of LTE/CDMA dual-mode terminal described in acquisition request;
Meanwhile, described MPC, specifically based on the second user ID, sends secondary route request message to described HSS/HLR entity, the second positioning service routing iinformation of LTE/CDMA dual-mode terminal described in acquisition request;
Described HSS/HLR entity, specifically after inquiring the attachment information of described LTE/CDMA dual-mode terminal at LTE network and cdma network, obtain the routing iinformation of described GMLC to described LTE/CDMA dual-mode terminal, and return the first positioning service routing iinformation of described LTE/CDMA dual-mode terminal users to described GMLC, so that GMLC initiates the LTE positioning flow based on chain of command based on this first positioning service routing iinformation.
15. systems according to claim 14, is characterized in that, described GMLC, and also in response to locating unsuccessfully, send location failure notification message to described MPC, described location failure notification message comprises the second user ID;
Described MPC, also for based on the second user ID, sends secondary route request message to described HSS/HLR entity, the second positioning service routing iinformation of LTE/CDMA dual-mode terminal described in acquisition request again;
Described HSS/HLR entity, also for obtaining the routing iinformation of described MPC to described LTE/CDMA dual-mode terminal, and return the second positioning service routing iinformation of described LTE/CDMA dual-mode terminal users to described MPC, so that MPC initiates the CDMA positioning flow based on user face based on this second positioning service routing iinformation.
16. systems according to claim 14, it is characterized in that, described HSS/HLR entity, if also for only inquiring the attachment information of described LTE/CDMA dual-mode terminal in LTE network, after receiving the secondary route request message that MPC resends, return route requests failure response message to described MPC.
17. systems according to claim 16, it is characterized in that, described HSS/HLR entity, if also for only inquiring the attachment information of described LTE/CDMA dual-mode terminal at cdma network, then obtain the routing iinformation of described MPC to described LTE/CDMA dual-mode terminal, and return the second positioning service routing iinformation of described LTE/CDMA dual-mode terminal users to described MPC, so that MPC directly initiates the CDMA positioning flow based on user face based on this second positioning service routing iinformation.
18., according to claim 10 to the system described in 17 any one, is characterized in that, described GMLC and described MPC is wholely set.
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| US9712973B2 (en) * | 2014-04-23 | 2017-07-18 | Mediatek Inc. | Method of selecting a SIM for a location service and multi-SIM device utilizing the same |
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| CN102210168A (en) * | 2008-11-11 | 2011-10-05 | 真实定位公司 | Use of radio access technology diversity for positioning |
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