CN101584202A - User plane location services over session initiation protocol - Google Patents
User plane location services over session initiation protocol Download PDFInfo
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- CN101584202A CN101584202A CNA2007800493562A CN200780049356A CN101584202A CN 101584202 A CN101584202 A CN 101584202A CN A2007800493562 A CNA2007800493562 A CN A2007800493562A CN 200780049356 A CN200780049356 A CN 200780049356A CN 101584202 A CN101584202 A CN 101584202A
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Abstract
A method and mechanism to allow a location server to initiate a user plane location service (e.g., SUPL defined by OMA) procedure to a user plane enabled device via Instant Messaging, or alternatively, via an existing SIP session if a multimedia session is already established. The location request is signaled to the user plane enabled device via a SIP INFO message. The location request uses SIP messaging to overcome firewall and other network security issues. Location using SUPL over SIP may be provided about a caller making an E911 emergency call. An Instant Message may be sent to the user plane enabled device, e.g., a VoIP wireless phone.
Description
The title that the application requires on November 28th, 2006 to submit to is the U.S. Provisional Application No.60/861 of " User PlaneLocation Service over Session Initiation Protocol (SIP) ", 267 priority is specially incorporated its full content into this paper with way of reference at this.
Technical field
The present invention relates generally to wireless inter-exchange carrier, Internet service provider (ISP) and content delivery service/supplier and inter-exchange carrier.Or rather, the present invention relates to the location-based service of wireless industry.
Background technology
Positional information about the subscriber becomes available day by day in wireless network.Positional information relates to the absolute coordinate of wireless device.
Fig. 4 shows conventional location-based service (LCS) request.
Exactly, as shown in Figure 4, location server 106 is from the positional information of core net node (for example from mobile switching centre (MSC) 110) request about specific mobile subscriber (MS).The information about particular wireless device (MS) of being asked can comprise that for example, connection, separation and the band of position are upgraded.Location server 106 can also be asked the information (upgrading such as connection, separation and/or the band of position) about wireless device or help this calculation of equipments x/y direction from packet data node (for example SGSN, GGSN or PDSN).In typical case, to the positional information of attaching position register (HLR) request about particular wireless device.
Shown in the step 1 of Fig. 4, locations services client 104 sends message to location server 106.
In step 2, location server 106 sends " subscriber information is provided " message to attaching position register 108, and request is about the subscriber information of certain subscriber.
In step 3, the attaching position register of operator (HLR) 108 subscriber informations with the request subscriber provide return to put server 106.
In step 4, to the positional information of MSC or packet data node 110 requests about the request subscriber.MSC or packet data node for example use preferably that HA Global Positioning Satellite (GPS), triangulation technique or other located in connection technology provide accurate positional information, perhaps help this calculation of equipments X/Y direction.
In step 5, position requests is forwarded to radio access network (RAN) 112 (if needs).
In step 6, will send to location server (LCS) 106 about positional information after request subscriber's the accurate update.
In step 7, will send to the LCS client 104 of this positional information of initial request to the final response of original location request.
Secure user plane location (SUPL) is based on the agreement of standard, and its exploitation purpose is in order to allow the mobile handset client to communicate by letter with location server, for example, and as shown in the step 1 of Fig. 4.The SUPL standard is defined by Open Mobile Alliance (OMA) standard operation group.Obtain more details with reference to OMA secure user plane location architectures document OMA-AD-SUPL-V1_0-20060127-C about OMA SUPL call-flow; And with reference to OMA user plane location protocol document OMA-TS-ULP-V1_0-20060127-C.OMA SUPL version 1 has been stipulated the call-flow of two kinds of fundamental types: (SI) call-flow that (NI) call-flow that (1) SUPL network is initiated and (2) SUPL device are initiated.According to the SUPL standard, session id has the unique value that comprises server and hand-held set part.
Fig. 5 shows the SUPL position requests of initiating for by the SUPL agency, the call-flow that typical OMA mobile device stops.
Specifically, as shown in Figure 5, transmit between SUPL agency 802, device benchmark server 804, SUPL server 806, PPG 808 and the SUPL terminal (SET) 812 of message in residing in network.
SUPL server (or SUPL location platform (SLP)) 806 comprises the SUPL place-centric (SLC) and the SUPL centre of location (SPC).Mobile device is generalized to the terminal (SET) 812 of supporting SUPL in Fig. 5.The operation of SUPL communication in the SLC coordination network, and control SPC assembly.SPC provides global positioning system (GPS) auxiliary data to the terminal (SET) 812 of supporting SUPL, and SET 812 is carried out accurate position calculation.
The position requests 820 that network is initiated arrives SUPL server 806 via the MLP interface.The SUPL server 806 of handling this network initiation request need send to SET 812 and trigger message (SUPL INIT message) 822, so that checking and initiation SUPL location sessions 828.The PUSH message 824 (perhaps as the SMS message from SMSC/MC) that triggering message 822 is used as from PPG 808 sends to SET 812.At this moment, the safe TCP/IP that SET 812 need be established to SUPL server 806 connects, so that response SUPL Location Request.
For the location-based service based on end-to-end IP that network is initiated, when location server need find to the contact details that set the goal (for example IP address), location server sent to this target and triggers message, to allow the session of this target foundation and location server.Set up user plane location service (for example OMA SUPL) in WAP Push/SMS information receiving and transmitting mechanism with on, so that initiate the position fixing process that mobile device stops based on conventional IP as the TCP of host-host protocol.
Have some such scenes: the routine of user plane location service is used unworkable or is acted on not good.
For example, target device has under a kind of scene that inserts via the internet of for example WLAN, LAN or DSL therein, and location server may be initiated the location by using SMS, WAP Push.When location server can't determine that the IP address of target device and the network that target device connected do not support to utilize the correct interaction of SMS or WAP Push information receiving and transmitting, particularly like this.
Second example relates to urgent call based on the voice communication on the IP (VoIP) (have some distortion in wireless industry, for example IMS urgent call in the 3GPP standard and the MMD urgent call in the 3GPP2 standard, IETF usually is called SIP with it and calls out).This scene description set up the urgent call of SIP session with service network.During urgent call, suitable public safety answering point (PSAP) may need the positional information of the renewal relevant with emergency caller.
The present inventor recognizes that the current mechanism of using WAP Push/SMS information receiving and transmitting may not be effectively with reliably, because WAP Push/SMS information receiving and transmitting is based upon on storage-forwarding mechanism.In other words, before urgent call finishes, do not guarantee that the triggering of location service request will be passed to target.
Summary of the invention
The present invention has introduced a kind of method and a kind of mechanism, described method and mechanism allow location server to pass through instant message, perhaps as an alternative, if set up Multimedia session, the equipment of supporting user plane is initiated user plane location service (for example SUPL) process just by existing SIP session.
According to an aspect of the present invention, a kind of method and apparatus that is used to obtain the caller position comprises the initiation user plane location service procedure.If the Session Initiation Protocol session exists, then by Session Initiation Protocol to support user plane caller's equipment send position requests.
According to another aspect of the present invention, a kind of method and apparatus that is used to obtain the caller position comprises and determines whether to have set up Multimedia session with the caller.If set up Multimedia session, then by the positional information after existing Session Initiation Protocol session acquisition caller's the renewal with the caller.
Description of drawings
According to following explanation, characteristics of the present invention and advantage will become apparent those skilled in the art with reference to the accompanying drawings, in the accompanying drawings:
Fig. 1 example high-level message flow in accordance with the principles of the present invention, wherein user plane location service uses signaling based on SIP as transmission means;
Fig. 2 example a kind of distortion of user plane location service procedure in accordance with the principles of the present invention, wherein location server serves as the observer of location-based service and and if only if target device is just initiated the location retrieval process when online;
Fig. 3 example another kind of in accordance with the principles of the present invention operating position, wherein use the position of retrieving the renewal of VoIP emergency caller based on the solution of the user plane location service of SIP;
Fig. 4 shows conventional location-based service (LCS) request;
Fig. 5 shows the call-flow that is used for being acted on behalf of by SUPL the typical OMA mobile device termination of the SUPL position requests of initiating.
Embodiment
The present invention has introduced a kind of method and a kind of mechanism, described method and mechanism allow location server to pass through instant message, perhaps as an alternative, if set up Multimedia session, the equipment of supporting user plane is initiated user plane location service procedure just by existing SIP session.
Session Initiation Protocol is internet engineering task group (IETF) standard agreement, is used for initiating to relate to the oolhiu interactive user session of multimedia element (such as video, voice, chat, recreation, virtual reality etc.).In ietf standard draft (RFC) 2543, stipulated SIP.As HTTP or SMTP, SIP is operated in the application layer of OSI(Open Systems Interconnection) traffic model.SIP also can be used for inviting participants to the session that not necessarily relates to the promoter.Because SIP supports name map and redirect services, so it can allow the user from the initiation of any position and received communication and service, and allow these users of Network Recognition, no matter where they are in.SIP is a request-response protocol, handles from the request of client with from the response of server.With SIP URL(uniform resource locator) (URL) identification participant.Request can be passed through any host-host protocol, sends such as UDP, SCTP or TCP.SIP determines end system, communication medium and the media partner that session will be used, and called party's hope of participating in communicating by letter.In case these are guaranteed, SIP just sets up calling parameter at each end of communication, and handles calling transfer and termination.
Fig. 1 example high-level message flow in accordance with the principles of the present invention, wherein user plane location service uses signaling based on SIP as transmission means.
Particularly, as shown in Figure 1, general service describing is described below:
In the step 1 of Fig. 1, the equipment 200 of location service enabled successfully permits inserting from Internet service supplier 202 internet access: based on the WLAN (WLAN) of IEEE 802.11x foundation by the wired access (for example dialing, DSL, cable or LAN) fixed or the wireless access that uses one of following mode (but being not limited to); (be also referred to as bluetooth based on IEEE802.15
TM) Wireless Personal Network (WPAN) set up; World Interoperability for Microwave Access, WiMax (WiMAX) or wireless MAN (WMAN) according to IEEE802.16 foundation; Based on the third generation (3G) the grouped data access technology of UMTS or 1xEVDO, perhaps technique for enhancing, for example high-speed downlink packet access (HSDPA); Grouped data via satellite inserts; Perhaps the HRPD (high rate packet data) of for example setting up according to IEEE 802.17 of passing through quick point-to-point optical fiber link inserts.
Then, the equipment 200 of location service enabled initiates to exist necessity registration of service according to RFC 2778,2779 and 3856.After being registered to the existence service, the contact details of memory device in having server 204 comprise networked information (for example IP address) etc.
In step 2, by the request of location-based service supplier 206 generations to the positional information of the equipment 200 of location service enabled.Position requests can be by the application program of use location information in the network, and for example location-based weather forecast produces; Also can produce by the application program that resides in the end user terminal.
In step 3, corresponding locations services client 208 sends the position requests by the target device 200 of one of following identifier and other criterion appointments: MSISDN to location server 210; IMSI; MSN; MIN; The IP address; SIP URI; TEL URI; Or XMPP URI.
In step 4, location server 210 is after receiving position requests, and the identifier of inspection target device 200 and definite target device 200 be not in conventional mobile network (for example supporting the cellular network of grouped data).Location server 210 is initiated instant message to existence/server of instant message 204 then, and this instant message comprises the required information of user plane location service procedure that triggers.Location server 210 can be according to the identifier beyond the SIPURI from other network entities that receives, XMPP URI or the TEL URI, the HLR/HSS in the cellular network for example, the SIP URI of searched targets equipment 200, XMPP URI or TEL URI.
In step 5, existence/server of instant message 204 is transmitted instant message by SIP to target device 200 according to log-on message.In the disclosed embodiment, if there is the existing SIP session that is based upon between target device 200 and the existence/server of instant message 204, then can transfer immediate news by existing SIP session.
In step 6, after receiving the instant message that comprises triggering user plane location service procedure information necessary, target device 200 is initiated the user plane location service session with location server 210.The user plane location service signaling can use the SIP signaling of the TCP/IP of standard or the UDP/IP or the standard of use as transmission means.In having network, during related secure entity (for example fire compartment wall) (wherein can't visit direct IP connectivity), the SIP signaling had certain advantage as transmission means with certain port.After finishing user plane location service procedure, the location coordinate of location server 210 searched targets equipment 200.
In step 7, location server 210 returns the location coordinate of being retrieved to locations services client 208.
In step 8, locations services client 208 sends it back positional information to the location-based service application program.
Fig. 2 example user plane location service procedure in accordance with the principles of the present invention, wherein location server 210 serves as the observer 210 of location-based service, and and if only if target device 200 when online, is just initiated the location retrieval process.
Can be implemented as the main process of user plane location service for the process that goes out and illustrate shown in Figure 2.As an alternative, it also can be implemented as strain (fallback) process with respect to the call-flow that goes out and illustrate shown in Figure 1.
General service describing shown in Figure 2 is described below:
In step 1, by the request of location-based service supplier 206 generations to the positional information of the equipment 200 of location service enabled.Position requests can be by the application program of use location information in the network, and for example location-based weather forecast produces; Also can produce by the application program that resides in the end user terminal.
In step 2, corresponding locations services client 208 sends the Location Request by the target device 200 of one of following identifier and other criterion appointments: MSISDN to location server 210; IMSI; MSN; MIN; The IP address; SIP URI; TEL URI; Or XMPP URI.
In step 3, after receiving location request message, location server 210 is checked the identifier of target device 200 and is determined that target device 200 is not to be served by conventional mobile network (for example supporting the cellular network of grouped data).Location server 210 is initiated request to existence/server of instant message 204 then, to obtain the relevant information that exists of target device 200.
In step 4, target device 200 becomes available and upgrades to existence/server of instant message 204 transmit statuss.
In step 5, existence/server of instant message 204 sends the notice of the contact details that comprise target device 200.Contact details can comprise for example IP address of target device 200.
In step 6, alternatively, location server 210 is initiated instant message to existence/server of instant message 204, and described instant message comprises the required information of user plane location service procedure that triggers.
In step 7, existence/server of instant message 204 is transmitted instant message by SIP to target device 200 according to log-on message.In the disclosed embodiment, if there is the existing SIP session that is based upon between target device 200 and the existence/server of instant message 204, then can transfer immediate news by existing SIP session.
In step 8, after receiving the instant message that comprises triggering user plane location service procedure information necessary, target device 200 is initiated the user plane location service session with location server 210.The user plane location service signaling can use the SIP signaling of the TCP/IP of standard or the UDP/IP or the standard of use as transmission means.In having network, during related secure entity (for example fire compartment wall) (wherein can't visit direct IP connectivity), use the SIP signaling to have certain advantage as transmission means with certain port.After finishing user plane location service procedure, the location coordinate of location server 210 searched targets equipment 200.
In step 9, location server 210 returns the location coordinate of being retrieved to locations services client 208.
In step 10, locations services client 208 sends it back positional information to the location-based service application program.
Fig. 3 example another kind of in accordance with the principles of the present invention operating position, wherein be used to retrieve about positional information based on the renewal of the emergency caller of the voice communication (VoIP) of Internet Protocol based on the user plane location service of SIP.
General service describing shown in Figure 3 is described below:
In the step 1 of Fig. 3, via fixing wired access (for example dialing, digital subscriber line (DSL), cable or Local Area Network) or use the wireless access of one of following mode (but being not limited to), the urgent call of initiating based on VoIP from VoIP terminal 300: according to the WLAN (WLAN) of IEEE 802.11x foundation; (be also referred to as bluetooth according to IEEE 802.15
TM) Wireless Personal Network (WPAN) set up; World Interoperability for Microwave Access, WiMax (WiMAX) or wireless MAN (WMAN) according to IEEE 802.16 foundation; Based on the third generation (3G) the grouped data access technology of UMTS or 1xEVDO, perhaps technique for enhancing, for example high-speed downlink packet access (HSDPA); Grouped data via satellite inserts; Perhaps the HRPD (high rate packet data) of for example setting up according to IEEE 802.17 of passing through quick point-to-point optical fiber link inserts.
From urgent 911 call servers 304, by public switched telephone network (PSTN) 320, optionally router network 330, or based on the network of direct session the Internet protocol (SIP), set up the VoIP urgent call with suitable public safety answering point (PSAP) 310.
In step 2, during the VoIP urgent call, the position of the renewal of PSAP 310 request VoIP emergency caller 300.
In step 3, if location server 306 is on the SIP call signaling bang path, then its use is embedded in the user plane location service in the SIP INFO, initiates to trigger message to urgent 911 call servers 304.
In step 4, the SIP INFO is forwarded to VoIP emergency caller 300.
In step 5, after receiving the triggering message of using user plane location service, initiate VoIP terminal 300 beginnings of VoIP urgent call and the user plane location service procedure of location server 306.
In step 6, location server 306 returns the positional information of being retrieved to PSAP 310.
Although introduced the present invention with reference to example embodiment of the present invention, those skilled in the art can make various modifications and not break away from true spirit of the present invention and scope the embodiment that introduced of the present invention.
Claims (20)
1. method that is used to obtain the caller position comprises:
Initiate user plane location service procedure; And
If the session of Session Initiation Protocol exists, then send position requests to caller's equipment of supporting user plane with signal by Session Initiation Protocol.
2. according to the method that is used to obtain the caller position of claim 1, wherein:
Send described position requests to caller's equipment of described support user plane with signal by the SIP INFO.
3. according to the method that is used to obtain the caller position of claim 1, wherein:
Described position requests is used the message transfer of sip message as described user plane location service procedure, the problem that causes to overcome otherwise by internet security.
4. according to the method that is used to obtain the caller position of claim 3, wherein:
Described otherwise be fire compartment wall by the problem that internet security causes.
5. according to the method that is used to obtain the caller position of claim 1, wherein:
The calling relevant with described caller is urgent call.
6. according to the method that is used to obtain the caller position of claim 1, wherein, described initiation comprises:
Caller's equipment to described support user plane transfers immediate news.
7. according to the method that is used to obtain the caller position of claim 1, wherein:
Caller's equipment of described support user plane is based on voice (VoIP) phone of Internet Protocol.
8. according to the method that is used to obtain the caller position of claim 7, wherein:
Described voip phone is the Wireless VoIP phone.
9. according to the method that is used to obtain the caller position of claim 1, wherein:
Described user plane location service procedure is deferred to secure user plane location (SUPL) standard by Open Mobile Alliance (OMA) definition.
10. device that is used to obtain the caller position comprises:
Be used to initiate the device of user plane location service procedure; And
Exist if be used for the session of Session Initiation Protocol, then send the device of position requests to caller's equipment of supporting user plane with signal by Session Initiation Protocol.
11. according to the device that is used to obtain the caller position of claim 10, wherein:
The described device that is used for sending with signal described position requests sends signal by the SIP INFO to caller's equipment of described support user plane.
12. according to the device that is used to obtain the caller position of claim 10, wherein:
The described device that is used for sending with signal described position requests uses the message transfer of sip message as described user plane location service procedure, the problem that causes to overcome otherwise by internet security.
13. according to the device that is used to obtain the caller position of claim 12, wherein:
Described otherwise be fire compartment wall by the problem that internet security causes.
14. according to the device that is used to obtain the caller position of claim 10, wherein:
The calling relevant with described caller is urgent call.
15. according to the device that is used to obtain the caller position of claim 10, the described device that wherein is used to initiate comprises:
Be used for the device that the caller's equipment to described support user plane transfers immediate news.
16. according to the device that is used to obtain the caller position of claim 10, wherein:
Caller's equipment of described support user plane is based on voice (VoIP) phone of Internet Protocol.
17. according to the device that is used to obtain the caller position of claim 16, wherein:
Described voip phone is the Wireless VoIP phone.
18. according to the device that is used to obtain the caller position of claim 10, wherein:
Described user plane location service procedure is deferred to secure user plane location (SUPL) standard by Open Mobile Alliance (OMA) definition.
19. a method that is used to obtain the caller position comprises:
Determine whether to have set up Multimedia session with the caller; And
If set up Multimedia session with described caller, then the session by existing Session Initiation Protocol obtains the positional information after described caller's the renewal.
20. a device that is used to obtain the caller position comprises:
Be used to determine whether to have set up the device of Multimedia session with the caller; And
If be used for having set up Multimedia session with described caller, then the session by existing Session Initiation Protocol obtains the device of positional information of described caller's renewal.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US86126706P | 2006-11-28 | 2006-11-28 | |
| US60/861,267 | 2006-11-28 | ||
| US11/638,548 | 2006-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510128975.7A Division CN104703139A (en) | 2006-11-28 | 2007-11-26 | User plane location services over session initiation protocol |
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| CN101584202A true CN101584202A (en) | 2009-11-18 |
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| CNA2007800493562A Pending CN101584202A (en) | 2006-11-28 | 2007-11-26 | User plane location services over session initiation protocol |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401890A (en) * | 2012-06-14 | 2013-11-20 | 微软公司 | Notification of communication events |
| US9282192B2 (en) | 2012-06-14 | 2016-03-08 | Microsoft Technology Licensing, Llc | Notification of communication events |
| US9419847B2 (en) | 2012-06-14 | 2016-08-16 | Microsoft Technology Licensing, Llc | Notification of communication events |
| US9871930B2 (en) | 2012-06-14 | 2018-01-16 | Microsoft Technology Licensing, Llc | Call invites |
| CN108781343A (en) * | 2016-03-24 | 2018-11-09 | 高通股份有限公司 | The external method and system accessed for controlling communication port |
-
2007
- 2007-11-26 CN CNA2007800493562A patent/CN101584202A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401890A (en) * | 2012-06-14 | 2013-11-20 | 微软公司 | Notification of communication events |
| US9282192B2 (en) | 2012-06-14 | 2016-03-08 | Microsoft Technology Licensing, Llc | Notification of communication events |
| US9419847B2 (en) | 2012-06-14 | 2016-08-16 | Microsoft Technology Licensing, Llc | Notification of communication events |
| US9654519B2 (en) | 2012-06-14 | 2017-05-16 | Microsoft Technology Licensing, Llc | Notification of communication events |
| US9871930B2 (en) | 2012-06-14 | 2018-01-16 | Microsoft Technology Licensing, Llc | Call invites |
| CN108781343A (en) * | 2016-03-24 | 2018-11-09 | 高通股份有限公司 | The external method and system accessed for controlling communication port |
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Application publication date: 20091118 |