CN104519569B - Support the control plane localization method and system of the access of LTE and CDMA across a networks - Google Patents
Support the control plane localization method and system of the access of LTE and CDMA across a networks Download PDFInfo
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- CN104519569B CN104519569B CN201310459617.5A CN201310459617A CN104519569B CN 104519569 B CN104519569 B CN 104519569B CN 201310459617 A CN201310459617 A CN 201310459617A CN 104519569 B CN104519569 B CN 104519569B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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Abstract
The embodiment of the invention discloses a kind of control plane localization methods for supporting LTE and CDMA across a networks to access and system, method to include：After GMLC receives the first Location Request, preset positioning strategy is inquired, determines whether the preferential network for initiating positioning service is LTE network；If LTE network, MME into LTE network sends the second Location Request, and MME inquires the mobile terminal user in the attachment information of LTE network from HSS, and judges whether the mobile terminal user is attached to LTE network；If being attached to LTE network, instruction SMLC positions the mobile terminal user, and positioning result is returned to GMLC；Otherwise, if being not attached to LTE network, error response message is returned to GMLC；MSCs of the GMLC into cdma network sends third Location Request；Positioning result according to MSC is obtained to the routing iinformation of mobile terminal from HLR and to positioning, is returned to the GMLC by MSC.The embodiment of the present invention can unify to realize user's positioning in LTE, cdma network.
Description
Technical field
The present invention relates to the communication technology, especially a kind of control plane localization method for supporting LTE and CDMA across a networks to access
With system.
Background technology
Long term evolution（Long Term Evolution, LTE）Positioning service in network divides third generation cooperative partner program
（The3rd Generation Partnership Project, 3GPP）Control plane scheme and Open Mobile Alliance secured user
Level positions（Open Mobile Alliance Secure user plane location, OMA SUPL）2.0 user plane sides
Case.LTE control plane scheme advantages are that locating speed is fast, and reliability is high, and mainstream vendor's degree of support is preferable at present, 3GPP pairs
Specification definition has been done in the requirement of LTE network elements and interface, the comparative maturity in terms of standardization and with network element intercommunication.CDMA
（Code Division Multiple Access, CDMA）Now net positioning service control plane rough grade positions（MALS）Platform is
Original unicom reuses equipment, and the old maintenance of system hardware is difficult, it is not recommended that is upgraded on MALS, therefore newly-built LTE controls
Face locating platform, and LTE and CDMA control planes is supported to position simultaneously, original MALS locating platforms are substituted, are relatively reasonable supports
The technical solution of LTE, CDMA positioning.
In the implementation of the present invention, inventor has found, what LTE and CDMA control planes positioned merge be conducive to LTE and
Locating platform fusion, business development in cdma communication system and service handling, although however, LTE defines control plane positioning
System architecture, function and interface, there is not yet and position the implementation that merges with CDMA control planes so that LTE, CDMA two
Locating platform in network respectively isolates, the flows disunity such as the accepting, initiate, handling of positioning service, strategy setting, in user
In the case of place network switches, the quick real-time processing of positioning service cannot achieve.
Invention content
The embodiment of the present invention the technical problem to be solved is that：A kind of control for supporting LTE and CDMA across a networks to access is provided
Face localization method processed and system, the unified user's positioning realized in LTE, cdma network, solve two net of prior art LTE, CDMA
Locating platform respectively isolates, the skimble-scamble problem of flows such as the accepting, initiate, handling of positioning, strategy setting, and is sent out in network
The quick real-time processing of positioning service is realized under raw switch instances.
A kind of control plane localization method for supporting LTE and CDMA across a networks to access provided in an embodiment of the present invention, including：
Mobile positioning center gateway GMLC receives the first Location Request that location services client LCS Client are sent, should
First Location Request include first user identifier of the mobile terminal in long term evolution LTE network in CDMA CDMA nets
Second user mark in network；
GMLC inquires preset positioning strategy, determines whether the preferential network for initiating positioning service is LTE network；
If the network for preferentially initiating positioning service is LTE network, mobile management entity MME hairs of the GMLC into LTE network
The second Location Request is sent, which includes the first user identifier；
MME inquires the mobile terminal user in LTE network according to the first user identifier from home subscriber server HSS
Adhere to information, and according to whether the attachment information for inquiring the mobile terminal user in LTE network judges the mobile terminal
Whether user is attached to LTE network；
If the mobile terminal user is attached to LTE network, MME indicates E-SMLC pairs of the Serving Mobile Location Center of evolution
The mobile terminal user positions, and positioning result is returned to the GMLC；
Otherwise, if the mobile terminal user is not attached to LTE network, MME returns to error response message to GMLC；
Moving exchanging center MSCs of the GMLC into cdma network sends third Location Request, is wrapped in the third Location Request
Include second user mark；
MSC identifies the routing for obtaining MSC to the mobile terminal from home location register HLR according to second user to be believed
Breath, positions the mobile terminal user according to the routing iinformation, and positioning result is returned to the GMLC.
In one specific embodiment of the above method, moving exchanging center MSCs of the GMLC into cdma network sends third
After Location Request, including：
MSC is identified from HLR according to second user and is inquired the mobile terminal user in the attachment information of cdma network, and root
According to whether inquiring the mobile terminal user and judge whether the mobile terminal user adheres in the attachment information of cdma network
In cdma network；
If the mobile terminal user is attached to cdma network, executes the MSC and obtained from HLR according to second user mark
Operations of the MSC to the routing iinformation of the mobile terminal；
Otherwise, if the mobile terminal user is not attached to cdma network, MSC returns to error response message to GMLC.
In one specific embodiment of the above method, if preferentially initiate positioning service network be cdma network, GMLC to
MSC in cdma network sends third Location Request, which includes second user mark；
MSC is identified from HLR according to second user and is inquired the mobile terminal user in the attachment information of cdma network, and root
According to whether inquiring the mobile terminal user and judge whether the mobile terminal user adheres in the attachment information of cdma network
In cdma network；
If the mobile terminal user is attached to cdma network, MSC is identified from HLR according to second user and is obtained MSC to institute
The routing iinformation for stating mobile terminal positions the mobile terminal user according to the routing iinformation, and positioning result is returned
Return the GMLC；
Otherwise, if the mobile terminal user is not attached to cdma network, MSC returns to error response message to GMLC；
MMEs of the GMLC into LTE network sends the second Location Request, which includes the first user mark
Know；
MME instructions E-SMLC positions the mobile terminal user, and positioning result is returned to the GMLC.
In one specific embodiment of the above method, after MME of the GMLC into LTE network sends the second Location Request,
Further include：
MME inquires the mobile terminal user in the attachment information of LTE network, and root according to the first user identifier from HSS
According to whether inquiring the mobile terminal user and judge whether the mobile terminal user is attached in the attachment information of LTE network
LTE network；
If the mobile terminal user is attached to LTE network, executes the MME instructions E-SMLC and the mobile terminal is used
The operation that family is positioned；
Otherwise, if the mobile terminal user is not attached to LTE network, MME returns to error response message to GMLC.
In one specific embodiment of the above method, if the positioning strategy is that LTE network and cdma network are preferential simultaneously
Positioning service is initiated, then the MSC in the MME and cdma network into LTE network sends the second Location Request and the to GMLC respectively
Three Location Requests；
MME instructions E-SMLC positions the mobile terminal user, and positioning result is returned to the GMLC；MSC
Routing iinformation according to second user mark from HLR acquisition MSC to the mobile terminal, according to the routing iinformation to the movement
Terminal user positions, and positioning result is returned to the GMLC.
A kind of control plane positioning system for supporting LTE and CDMA across a networks to access provided in an embodiment of the present invention, including LCS
Client further includes：
GMLC, the first Location Request sent for receiving LCS Client, first Location Request include mobile whole
The first user identifier of end in the lte networks is identified with second user in a cdma network；Store preset positioning plan
Slightly, and the positioning strategy is inquired after receiving Location Request, determine whether the preferential network for initiating positioning service is LTE nets
Network；If the network for preferentially initiating positioning service is LTE network, the MME into LTE network sends the second Location Request, this second
Location Request includes the first user identifier；And when receiving the error response message of MME returns, into cdma network
Moving exchanging center MSC sends third Location Request, which includes second user mark；
MME is located in LTE network, for inquiring the mobile terminal user in LTE from HSS according to the first user identifier
The attachment information of network, and according to whether the attachment information for inquiring the mobile terminal user in LTE network judges the shifting
Whether dynamic terminal user is attached to LTE network；If the mobile terminal user is attached to LTE network, E-SMLC is to described for instruction
Mobile terminal user positions, and positioning result is returned to the GMLC；Otherwise, if the mobile terminal user is not attached to
LTE network returns to error response message to GMLC；
HSS is located in LTE network, for storing the mobile terminal subscriber information in LTE network, including the mobile end
Attachment information of the end subscriber in LTE network；
E-SMLC is located in LTE network, for being positioned to the mobile terminal user and positioning result being returned to institute
State MME；
MSC is located in cdma network, and the MSC is obtained to the mobile terminal for being identified from HLR according to second user
Routing iinformation positions the mobile terminal user according to the routing iinformation, and positioning result is returned to the GMLC；
HLR is located in cdma network, for storing the mobile terminal subscriber information in cdma network, including the movement
Attachment information of the terminal user in cdma network.
In one specific embodiment of above system, the MSC is additionally operable to after receiving third Location Request, according to
Second user mark inquires the mobile terminal user in the attachment information of cdma network from HLR, and according to whether inquires institute
The attachment information that mobile terminal user is stated in cdma network judges whether the mobile terminal user is attached to cdma network；If institute
It states mobile terminal user and is attached to cdma network, execute described whole from HLR acquisition MSC to the movement according to second user mark
The operation of the routing iinformation at end；Otherwise, if the mobile terminal user is not attached to cdma network, errored response is returned to GMLC
Message.
In one specific embodiment of above system, the GMLC, if the network for being additionally operable to preferentially initiate positioning service is
Cdma network, preferentially MSC into cdma network send third Location Request, which includes second user mark
Know；And when receiving the error response message of MSC returns, the MME into LTE network sends the second Location Request, this second
Location Request includes the first user identifier；
The MSC is additionally operable to be identified from HLR according to second user and inquires the mobile terminal user in the attached of cdma network
Information, and according to whether inquire the mobile terminal user judges that the mobile terminal is used in the attachment information of cdma network
Whether family is attached to cdma network；If the mobile terminal user is attached to cdma network, is identified from HLR and obtained according to second user
It takes MSC to the routing iinformation of the mobile terminal, the mobile terminal user is positioned according to the routing iinformation, and will determine
Position result returns to the GMLC；Otherwise, if the mobile terminal user is not attached to cdma network, errored response is returned to GMLC
Message；
The MME, for indicating that E-SMLC positions the mobile terminal user according to second Location Request,
And positioning result is returned into the GMLC.
In one specific embodiment of above system, the MME, be additionally operable to receive second Location Request it
Afterwards, the mobile terminal user is inquired in the attachment information of LTE network from HSS according to the first user identifier, and according to whether looked into
The attachment information that the mobile terminal user is ask in LTE network judges whether the mobile terminal user is attached to LTE network；
If the mobile terminal user is attached to LTE network, executes the instruction E-SMLC and the mobile terminal user is positioned
Operation；Otherwise, if the mobile terminal user is not attached to LTE network, error response message is returned to GMLC.
In one specific embodiment of above system, the GMLC, if be additionally operable to the positioning strategy be LTE network with
Cdma network is preferential simultaneously to initiate positioning service, and it is fixed to send second by the MSC in the MME and cdma network into LTE network respectively
Position request and third Location Request.
Based on the above embodiment of the present invention provide support LTE and CDMA across a network access control plane localization method be
System increases fusion GMLC newly, fills under the premise of not changing the wireless network, core network interface and flow of original LTE/CDMA networks
When the processing net element of the mobile positioning center of all network-orienteds access, the user uniformly realized in LTE, cdma network is fixed
Position, solves two net locating platform of prior art LTE, CDMA and respectively isolates, the accepting, initiate, handling of positioning, strategy setting etc.
The skimble-scamble problem of flow, and in the positioning strategy that network switches and the quick real-time place for realizing positioning service
Reason.The embodiment of the present invention is suitable for all control plane positioning service applications based on CDMA, LTE network, can pass through fusion
The interface of GMLC realizes that unified positioning is called.The embodiment of the present invention is suitable for all control plane positioning based on CDMA, LTE network
Using unified position of interface realization that can pass through fusion GMLC is called.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Description of the drawings
The attached drawing of a part for constitution instruction describes the embodiment of the present invention, and together with description for explaining
The principle of the present invention.
The present invention can be more clearly understood according to following detailed description with reference to attached drawing, wherein：
Fig. 1 is the flow chart of control plane localization method one embodiment that the present invention supports the access of LTE and CDMA across a networks.
Fig. 2 is the flow that the present invention supports another embodiment of the control plane localization method of LTE and CDMA across a networks access
Figure.
Fig. 3 is that the present invention supports the structure of control plane positioning system one embodiment of LTE and CDMA across a networks access to show
It is intended to.
Specific implementation mode
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that：Unless in addition having
Body illustrates that the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Simultaneously, it should be appreciated that for ease of description, the size of attached various pieces shown in the drawings is not according to reality
Proportionate relationship draw.
It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to the present invention
And its application or any restrictions that use.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
Fig. 1 is the flow chart of control plane localization method one embodiment that the present invention supports the access of LTE and CDMA across a networks.
As shown in Figure 1, the embodiment supports that the control plane localization method of LTE and CDMA across a networks access includes：
110, mobile positioning center gateway（GMLC）Receive location services client（LCS Client）First sent is fixed
Position request, first Location Request include the first user identifier of mobile terminal in the lte networks and in a cdma network
Second user identifies.User in first user identifier unique mark, one LTE network therein, the unique mark of second user mark
Know the user in a cdma network, such as international mobile subscriber identity（International Mobile Subscriber
Identity, IMSI）.
120, the GMLC preset positioning strategies of inquiry determine whether the preferential network for initiating positioning service is LTE nets
Network.
130, if the network for preferentially initiating positioning service is LTE network, mobile management entities of the GMLC into LTE network
（MME）The second Location Request is sent, which includes the first user identifier.
140, MME according to the first user identifier from the home subscriber server in LTE network（HSS）Mobile terminal is inquired to use
Family is in the attachment information of LTE network, and according to whether the attachment information for inquiring mobile terminal user in LTE network judges the shifting
Whether dynamic terminal user is attached to LTE network.
If mobile terminal user is attached to LTE network, 150 operation is executed.Otherwise, if mobile terminal user is not attached to
LTE network executes 160 operation.
The Serving Mobile Location Center of 150, MME instruction evolution（E-SMLC）Mobile terminal user is positioned, and will
Positioning result returns to GMLC.
Later, the follow-up process of the present embodiment is not executed.
160, MME return to error response message to GMLC.
170, the GMLC mobile switching centre into cdma network（MSC）Third Location Request is sent, third positioning is asked
It includes second user mark to ask.
180, MSC identify according to second user from the home location register in cdma network（HLR）MSC is obtained to movement
The routing iinformation of terminal positions mobile terminal user according to the routing iinformation, and positioning result is returned to GMLC.
The control plane localization method for the support LTE and CDMA across a network access that the above embodiment of the present invention provides, is not changing
Under the premise of the wireless network, core network interface and flow that become original LTE/CDMA networks, increase newly fusion GMLC, serve as it is all towards
The processing net element of the mobile positioning center of network insertion uniformly realizes user's positioning in LTE, cdma network, solves existing
There is two net locating platform of technology LTE, CDMA respectively to isolate, the flows disunity such as the accepting, initiate, handling of positioning, strategy setting
The problem of, and switch in network and realize the quick real-time processing of positioning service.The embodiment of the present invention is suitable for
All control plane positioning service applications based on CDMA, LTE network can realize that unified positioning is adjusted by merging the interface of GMLC
With.
Fig. 2 is the flow that the present invention supports another embodiment of the control plane localization method of LTE and CDMA across a networks access
Figure.As shown in Fig. 2, the embodiment supports that the control plane localization method of LTE and CDMA across a networks access includes：
210, GMLC receive the first Location Request that LCS Client are sent, which includes mobile terminal
The first user identifier in the lte networks is identified with second user in a cdma network.
220, the GMLC preset positioning strategies of inquiry determine whether the preferential network for initiating positioning service is LTE nets
Network.
If the network for preferentially initiating positioning service is LTE network, 230 operation is executed.Otherwise, if preferential initiate positioning industry
The network of business is cdma network, executes 310 operation.
230, the GMLC MME into LTE network sends the second Location Request, which includes the first user
Mark.
240, MME inquire mobile terminal user in the attached of LTE network according to the first user identifier from the HSS in LTE network
Information, and according to whether the attachment information for inquiring mobile terminal user in LTE network judges the mobile terminal user
It is attached to LTE network.If mobile terminal user is attached to LTE network, 250 operation is executed.Otherwise, if mobile terminal user not
It is attached to LTE network, executes 260 operation.
The E-SMLC of 250, MME instruction evolution positions mobile terminal user, and positioning result is returned to GMLC.
Later, the follow-up process of the present embodiment is not executed.
260, MME return to error response message to GMLC.
270, the GMLC MSC into cdma network sends third Location Request, which includes the second use
Family identifies.
280, MSC identify the attachment information from HLR inquiry mobile terminal users in cdma network, and root according to second user
According to whether inquiring mobile terminal user and judge whether mobile terminal user is attached to CDMA nets in the attachment information of cdma network
Network.
If mobile terminal user is attached to cdma network, 290 operation is executed.Otherwise, if mobile terminal user is unattached
In cdma network, 300 operation is executed.
290, MSC identify the routing iinformation from the HLR acquisition MSC in cdma network to mobile terminal according to second user,
Mobile terminal user is positioned according to the routing iinformation, and positioning result is returned into GMLC.
Later, the follow-up process of the present embodiment is not executed.
300, MSC return to error response message to GMLC.
Later, the follow-up process of the present embodiment is not executed.
310, the GMLC MSC into cdma network sends third Location Request, which includes the second use
Family identifies；
320, MSC identify the attachment information from HLR inquiry mobile terminal users in cdma network, and root according to second user
According to whether inquiring mobile terminal user and judge whether mobile terminal user is attached to CDMA nets in the attachment information of cdma network
Network.
If mobile terminal user is attached to cdma network, 320 operation is executed.Otherwise, if mobile terminal user is unattached
In cdma network, 330 operation is executed.
330, MSC identify the routing iinformation from HLR acquisition MSC to mobile terminal according to second user, are believed according to the routing
Breath positions mobile terminal user, and positioning result is returned to GMLC.
Later, the follow-up process of the present embodiment is not executed.
340, MSC return to error response message to GMLC.
350, the GMLC MME into LTE network sends the second Location Request, which includes the first user
Mark.
360, MME instruction E-SMLC position mobile terminal user, and positioning result is returned to GMLC.
In the present invention supports another embodiment of the control plane localization method of LTE and CDMA across a networks access, in Fig. 2 institutes
In the operation 340 shown, after MME of the GMLC into LTE network sends the second Location Request, can also include：
MME according to the first user identifier from HSS inquiry mobile terminal users LTE network attachment information, and according to being
It is no to inquire mobile terminal user and judge whether mobile terminal user is attached to LTE network in the attachment information of LTE network；
If mobile terminal user is attached to LTE network, 360 operation is executed；
Otherwise, if mobile terminal user is not attached to LTE network, MME returns to error response message to GMLC.
In the present invention supports another embodiment of the control plane localization method of LTE and CDMA across a networks access, if positioning
Strategy is that LTE network and cdma network preferentially initiate positioning service simultaneously, then the GMLC MME and CDMA into LTE network respectively
MSC in network sends the second Location Request and third Location Request；
MME instructions E-SMLC positions mobile terminal user, and positioning result is returned to GMLC, can specifically pass through
Operation 240~260 is realized；MSC identifies the routing iinformation from HLR acquisition MSC to mobile terminal according to second user simultaneously, according to
The routing iinformation positions mobile terminal user, and positioning result is returned to GMLC, specifically can by operation 320~
340 realize.
Fig. 3 is that the present invention supports the structure of control plane positioning system one embodiment of LTE and CDMA across a networks access to show
It is intended to.The control plane positioning system of the embodiment can be used for realizing the above-mentioned each support LTE and CDMA across a networks access of the present invention
Control plane localization method embodiment.As shown in figure 3, the control plane positioning system of the embodiment includes LCS Client, GMLC,
The MSC and HLR in MME, HSS and E-SMLC and cdma network in LTE network.Wherein：
GMLC, the first Location Request sent for receiving LCS Client, first Location Request include mobile whole
The first user identifier of end in the lte networks is identified with second user in a cdma network；Store preset positioning plan
Slightly, and the positioning strategy is inquired after receiving Location Request, determine whether the preferential network for initiating positioning service is LTE nets
Network；If the network for preferentially initiating positioning service is LTE network, the MME into LTE network sends the second Location Request, this second
Location Request includes the first user identifier；And when receiving the error response message of MME returns, into cdma network
Moving exchanging center MSC sends third Location Request, which includes second user mark.
MME, for inquiring mobile terminal user in LTE nets from HSS according to the first user identifier in the second Location Request
The attachment information of network, and according to whether the attachment information for inquiring mobile terminal user in LTE network judges mobile terminal user
Whether LTE network is attached to；If mobile terminal user is attached to LTE network, instruction E-SMLC determines mobile terminal user
Position, and positioning result is returned into GMLC；Otherwise, if mobile terminal user is not attached to LTE network, errored response is returned to GMLC
Message.
HSS, for storing the mobile terminal subscriber information in LTE network, including mobile terminal user in the attached of LTE network
Information；
E-SMLC, for being positioned to mobile terminal user according to the instruction of MME and positioning result being returned to MME.
MSC obtains the MSC to the road of mobile terminal for being identified from HLR according to the second user in third Location Request
By information, mobile terminal user is positioned according to the routing iinformation, and positioning result is returned into GMLC.
HLR, for storing the mobile terminal subscriber information in cdma network, including mobile terminal user in cdma network
Adhere to information.
The control plane positioning system for the support LTE and CDMA across a network access that the above embodiment of the present invention provides, is not changing
Under the premise of the wireless network, core network interface and flow that become original LTE/CDMA networks, increase newly fusion GMLC, serve as it is all towards
The processing net element of the mobile positioning center of network insertion uniformly realizes user's positioning in LTE, cdma network, solves existing
Two net locating platform of technology LTE, CDMA respectively isolates, and the flows such as the accepting, initiate, handling of positioning, strategy setting are skimble-scamble
Problem, and switch in network and realize the quick real-time processing of positioning service.The embodiment of the present invention is suitable for institute
There is the control plane positioning service application based on CDMA, LTE network, can realize that unified positioning is adjusted by merging the interface of GMLC
With.
The embodiment of the present invention realizes the lower unified encapsulation of Multi net voting access, at CDMA and LTE network, support for
Interface between interface SLg, GMLC and HSS of interface Le, GMLC and MME between GMLC the and LCS Client of LTE network
The unified interface of the interface E3 of interface L2, GMLC and MSC of GMLC and HLR in SLh and cdma network.It illustratively, can be with
By increasing network handover module newly in GMLC, for LTE/CDMA Network Priority positioning strategies to be arranged, and according to positioning strategy
Execute the switching between positioning network.Positioning strategy in the embodiment of the present invention is flexible setting and can be newer at any time, example
Such as, can be that LTE network is preferential, cdma network second priority（I.e.：The positioning service in LTE network is first initiated, no-fix success exists
Initiate positioning service in cdma network）Or cdma network is preferential, LTE network second priority（I.e.：First initiate in cdma network
Positioning service, no-fix success positioning service in initiating LTE network）Or LTE network and cdma network it is preferential simultaneously（I.e.：
The positioning in LTE network and cdma network can be initiated simultaneously, is subject to the positioning result data preferentially received, and it is fixed to be greatly saved
Handover delay between the network of position）.
In the present invention supports another embodiment of the control plane positioning system of LTE and CDMA across a networks access, MSC may be used also
For after receiving third Location Request, mobile terminal user to be inquired in cdma network from HLR according to second user mark
Adhere to information, and according to whether the attachment information for inquiring mobile terminal user in cdma network judges mobile terminal user
It is attached to cdma network；If mobile terminal user is attached to cdma network, starts execution and obtained from HLR according to second user mark
Operations of the MSC to the routing iinformation of mobile terminal；Otherwise, it if mobile terminal user is not attached to cdma network, is returned to GMLC
Error response message.
In the present invention supports another embodiment of the control plane positioning system of LTE and CDMA across a networks access, GMLC is also
If the network that can be used for preferentially initiating positioning service is cdma network, preferentially the MSC into cdma network sends third positioning and asks
It asks, which includes second user mark；And when receiving the error response message of MSC returns, to LTE nets
MME in network sends the second Location Request, which includes the first user identifier.Correspondingly, MSC can be additionally used in
The attachment information from HLR inquiry mobile terminal users in cdma network is identified according to second user, and according to whether inquires shifting
Dynamic terminal user judges whether the mobile terminal user is attached to cdma network in the attachment information of cdma network；If mobile terminal
User is attached to cdma network, the routing iinformation according to second user mark from HLR acquisition MSC to mobile terminal, according to the road
Mobile terminal user is positioned by information, and positioning result is returned into GMLC；Otherwise, if mobile terminal user is not attached to
Cdma network returns to error response message to GMLC.MME is used to indicate that E-SMLC uses mobile terminal according to the second Location Request
Family is positioned, and positioning result is returned to GMLC.
Further, in above-mentioned another embodiment of control plane positioning system, MME can be additionally used in receive second fixed
After the request of position, according to the first user identifier from HSS inquiry mobile terminal users LTE network attachment information, and according to being
It is no to inquire mobile terminal user and judge whether mobile terminal user is attached to LTE network in the attachment information of LTE network；If moving
Dynamic terminal user is attached to LTE network, starts to execute instruction the operation that E-SMLC positions mobile terminal user；Otherwise,
If mobile terminal user is not attached to LTE network, error response message is returned to GMLC.
In the control plane positioning system further embodiment that the present invention supports the access of LTE and CDMA across a networks, GMLC, also
If being that LTE network and cdma network preferentially initiate positioning service simultaneously for positioning strategy, respectively the MME into LTE network with
MSC in cdma network sends the second Location Request and third Location Request.
Each embodiment is described in a progressive manner in this specification, the highlights of each of the examples are with its
The difference of its embodiment, same or analogous part cross-reference between each embodiment.For system embodiment
For, since it is substantially corresponding with embodiment of the method, so description is fairly simple, referring to the portion of embodiment of the method in place of correlation
It defends oneself bright.
Method, the system of the present invention may be achieved in many ways.For example, software, hardware, firmware or soft can be passed through
Part, hardware, firmware any combinations come realize the present invention method and system.The said sequence of the step of for the method is only
It is to illustrate, the step of method of the invention is not limited to sequence described in detail above, unless otherwise especially
Explanation.In addition, in some embodiments, also the present invention can be embodied as to record program in the recording medium, these program bags
It includes for realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage for executing according to this
The recording medium of the program of the method for invention.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer read/write memory medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes：ROM, RAM, magnetic disc or light
The various media that can store program code such as disk.
Compared with prior art, the embodiment of the present invention has following advantageous effects：
By newly-increased fusion GMLC, positioning and the hand-off process of CDMA and LTE network access are supported.Do not changing original nothing
Under the premise of gauze, core network interface and flow, the fusion access of Multi net voting, at CDMA and LTE network, support pair are realized
In the unified interface of L2, E3 of Le, SLg, SLh and cdma network of LTE network.LCS Client inquiries are without paying close attention to network
Standard（I.e.：LTE network or CDAM networks）And the bottom-up informations such as user property；
Network Priority positioning strategy can be pre-set, and the switching between network is executed according to positioning strategy.Manager
The positioning function under user's inter-network switching state can be realized by the setting of positioning strategy, and by two nets while initiating to determine
The setting of position substantially reduces the positioning time delay under double net switching states.
Description of the invention provides for the sake of example and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
Various embodiments with various modifications of the solution present invention to design suitable for special-purpose.
Claims (8)
1. a kind of control plane localization method for supporting LTE and CDMA across a networks to access, which is characterized in that including：
Mobile positioning center gateway GMLC receives the first Location Request that location services client LCS Client are sent, this first
Location Request include first user identifier of the mobile terminal in long term evolution LTE network in Code Division Multiple Access (CDMA) network
Second user mark；
GMLC inquires preset positioning strategy, determines whether the preferential network for initiating positioning service is LTE network；
If the network for preferentially initiating positioning service is LTE network, mobile management entity MMEs of the GMLC into LTE network sends the
Two Location Requests, second Location Request include the first user identifier；
MME inquires attachment of the mobile terminal user in LTE network according to the first user identifier from home subscriber server HSS
Information, and according to whether the attachment information for inquiring the mobile terminal user in LTE network judges the mobile terminal user
Whether LTE network is attached to；
If the mobile terminal user is attached to LTE network, MME indicates the Serving Mobile Location Center E-SMLC of evolution to described
Mobile terminal user positions, and positioning result is returned to the GMLC；
Otherwise, if the mobile terminal user is not attached to LTE network, MME returns to error response message to GMLC；
Moving exchanging center MSCs of the GMLC into cdma network sends third Location Request, which includes the
Two user identifiers；
MSC is identified from home location register HLR according to second user and is obtained MSC to the routing iinformation of the mobile terminal, root
The mobile terminal user is positioned according to the routing iinformation, and positioning result is returned into the GMLC, is specifically included：
MSC according to second user identify from HLR inquire the mobile terminal user cdma network attachment information, and according to being
It is no to inquire the mobile terminal user and judge whether the mobile terminal user is attached in the attachment information of cdma network
Cdma network；
If the mobile terminal user is attached to cdma network, executes the MSC and MSC is obtained from HLR according to second user mark
To the operation of the routing iinformation of the mobile terminal；
Otherwise, if the mobile terminal user is not attached to cdma network, MSC returns to error response message to GMLC.
If 2. according to the method described in claim 1, it is characterized in that, preferentially initiate positioning service network be cdma network,
MSCs of the GMLC into cdma network sends third Location Request, which includes second user mark；
MSC according to second user identify from HLR inquire the mobile terminal user cdma network attachment information, and according to being
It is no to inquire the mobile terminal user and judge whether the mobile terminal user is attached in the attachment information of cdma network
Cdma network；
If the mobile terminal user is attached to cdma network, MSC is identified from HLR according to second user and is obtained MSC to the shifting
The routing iinformation of dynamic terminal, positions the mobile terminal user according to the routing iinformation, and positioning result is returned to institute
State GMLC；
Otherwise, if the mobile terminal user is not attached to cdma network, MSC returns to error response message to GMLC；
MMEs of the GMLC into LTE network sends the second Location Request, which includes the first user identifier；
MME instructions E-SMLC positions the mobile terminal user, and positioning result is returned to the GMLC.
3. according to the method described in claim 2, it is characterized in that, MMEs of the GMLC into LTE network sends the second Location Request
Later, further include：
MME according to the first user identifier from HSS inquire the mobile terminal user LTE network attachment information, and according to being
It is no to inquire the mobile terminal user and judge whether the mobile terminal user is attached to LTE in the attachment information of LTE network
Network；
If the mobile terminal user is attached to LTE network, execute MME instruction E-SMLC to the mobile terminal user into
The operation of row positioning；
Otherwise, if the mobile terminal user is not attached to LTE network, MME returns to error response message to GMLC.
4. according to the method described in claims 1 to 3 any one, which is characterized in that if the positioning strategy be LTE network with
Cdma network is preferential simultaneously to initiate positioning service, then MSCs of the GMLC respectively in the MME and cdma network into LTE network is sent
Second Location Request and third Location Request；
MME instructions E-SMLC positions the mobile terminal user, and positioning result is returned to the GMLC；MSC according to
Routing iinformation of the second user mark from HLR acquisition MSC to the mobile terminal, according to the routing iinformation to the mobile terminal
User positions, and positioning result is returned to the GMLC.
5. a kind of control plane positioning system for supporting LTE and CDMA across a networks to access, including LCS Client, which is characterized in that
Further include：
GMLC, the first Location Request sent for receiving LCS Client, which includes that mobile terminal exists
The first user identifier in LTE network is identified with second user in a cdma network；Preset positioning strategy is stored, and
The positioning strategy is inquired after receiving Location Request, determines whether the preferential network for initiating positioning service is LTE network；If excellent
The network for first initiating positioning service is LTE network, and the MME into LTE network sends the second Location Request, second Location Request
It include the first user identifier；And when receiving the error response message of MME returns, the mobile switch into cdma network
Center MSC sends third Location Request, which includes second user mark；
MME is located in LTE network, for inquiring the mobile terminal user in LTE network from HSS according to the first user identifier
Attachment information, and according to whether inquire the mobile terminal user the attachment information of LTE network judge it is described it is mobile eventually
Whether end subscriber is attached to LTE network；If the mobile terminal user is attached to LTE network, E-SMLC is to the movement for instruction
Terminal user positions, and positioning result is returned to the GMLC；Otherwise, if the mobile terminal user is not attached to LTE
Network returns to error response message to GMLC；
HSS is located in LTE network, for storing the mobile terminal subscriber information in LTE network, including mobile terminal use
Attachment information of the family in LTE network；
E-SMLC is located in LTE network, described in being positioned to the mobile terminal user and returning to positioning result
MME；
MSC is located in cdma network, and routings of the MSC to the mobile terminal is obtained for being identified from HLR according to second user
Information positions the mobile terminal user according to the routing iinformation, and positioning result is returned to the GMLC；
HLR is located in cdma network, for storing the mobile terminal subscriber information in cdma network, including the mobile terminal
Attachment information of the user in cdma network；
The MSC is additionally operable to after receiving third Location Request, described mobile whole from HLR inquiries according to second user mark
End subscriber cdma network attachment information, and according to whether inquire the mobile terminal user cdma network attachment believe
Breath judges whether the mobile terminal user is attached to cdma network；If the mobile terminal user is attached to cdma network, hold
The row operation for obtaining routing iinformations of the MSC to the mobile terminal from HLR according to second user mark；Otherwise, if it is described
Mobile terminal user is not attached to cdma network, and error response message is returned to GMLC.
6. system according to claim 5, which is characterized in that the GMLC, if being additionally operable to preferentially initiate positioning service
Network is cdma network, and preferentially the MSC into cdma network sends third Location Request, which includes second
User identifier；And when receiving the error response message of MSC returns, the MME into LTE network sends the second Location Request,
Second Location Request includes the first user identifier；
The MSC, be additionally operable to according to second user mark from HLR inquire the mobile terminal user cdma network attachment believe
Breath, and according to whether inquire the mobile terminal user judges that the mobile terminal user is in the attachment information of cdma network
It is no to be attached to cdma network；If the mobile terminal user is attached to cdma network, obtained from HLR according to second user mark
MSC positions the mobile terminal user according to the routing iinformation to the routing iinformation of the mobile terminal, and will positioning
As a result the GMLC is returned；Otherwise, it if the mobile terminal user is not attached to cdma network, returns to errored response to GMLC and disappears
Breath；
The MME, for indicating that E-SMLC positions the mobile terminal user according to second Location Request, and will
Positioning result returns to the GMLC.
7. system according to claim 6, which is characterized in that the MME, be additionally operable to receive it is described second positioning ask
After asking, according to the first user identifier from HSS inquire the mobile terminal user LTE network attachment information, and according to being
It is no to inquire the mobile terminal user and judge whether the mobile terminal user is attached to LTE in the attachment information of LTE network
Network；If the mobile terminal user is attached to LTE network, executes the instruction E-SMLC and the mobile terminal user is carried out
The operation of positioning；Otherwise, if the mobile terminal user is not attached to LTE network, error response message is returned to GMLC.
8. according to the system described in claim 5 to 7 any one, which is characterized in that the GMLC, if being additionally operable to the positioning
Strategy is that LTE network preferentially initiates positioning service simultaneously with cdma network, respectively in the MME and cdma network into LTE network
MSC send the second Location Request and third Location Request.
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| CN111328093B (en) * | 2020-02-29 | 2020-10-20 | 南京嘉环科技股份有限公司 | Control device and method for forward switching of LTE (Long term evolution) system in high-speed environment |
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| CN103249173A (en) * | 2012-02-03 | 2013-08-14 | 株式会社Ntt都科摩 | Mobile Internet access equipment and method thereof |
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