CN101309513A - Location information updating method for subscriber equipment - Google Patents
Location information updating method for subscriber equipment Download PDFInfo
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- CN101309513A CN101309513A CNA2008100980201A CN200810098020A CN101309513A CN 101309513 A CN101309513 A CN 101309513A CN A2008100980201 A CNA2008100980201 A CN A2008100980201A CN 200810098020 A CN200810098020 A CN 200810098020A CN 101309513 A CN101309513 A CN 101309513A
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Abstract
The embodiment of the invention discloses a method for updating the location information of user equipment. The method comprises that a core network element is used for receiving relocate/re-switch complete messages from a wireless network controller, and the current location information of the user equipment is carried in the relocate/re-switch complete messages; when the core network element judges that the location information of the user equipment changes, the location information of the user equipment stored in advance by the core network element is updated into the current location information of the received user equipment. The SRNS relocate/re-switch procedure can be simplified by using the method.
Description
Technical field
The present invention relates to the communications field, particularly, relate to a kind of location information updating method for subscriber equipment, be used for upgrading in SRNS Serving Radio Network Subsystem (ServingRadio Network Subsystem the abbreviates SRNS as) reorientation/handoff procedure the 2G/3G mobile network positional information of described subscriber equipment.
Background technology
Usually need relate to some network elements when in mobile communications network, providing communication service, comprise and connect originating network unit, connection receiving end network element and/or one or more intermediate network elements, as base station, base transceiver station, base station controller be used for processing signaling and/or one or more support node of customer service, heterogeneous networks unit visible level to customer position information under different conditions is also inequality.
As shown in Figure 1, based on UMTS (Universal MobileTelecommunications System, universal mobile telecommunications system) in the packet domain communication network, system utilizes RNC (Radio Network Controller, radio network controller), SGSN (Serving GPRS Support Node) and possible GGSN network element nodes such as (gateway GPRS service nodes) are worked in coordination with and are finished the communication service of UE (subscriber equipment) to PDN (PacketData Network, packet data network).
In the SGSN of 3G network network element, define UE and may be in three kinds of mobility service state: PMM-DETACHED (separation) state, PMM-IDLE (free time) state and PMM-CONNECTED (connection) state, corresponding with it, the customer position information rank that SGSN preserves also has three kinds.
In order to guarantee that MS (mobile subscriber) is in moving process, also can normally use business, and guarantee that operator can be to this user's accurate billing, SGSN need be to customer position information (the User Location Identify of its preservation, ULI) constantly upgrade with moving of this user, this update mechanism need be guaranteed that the situation that specifically corresponds to every kind of state is as shown in table 1 by flow processs such as Routing Area Update, reporting positions:
Table 1
| User Status | PMM-DETACHED | PMM-IDLE | PMM-CONNECTED |
| Positional information | Do not have | The RAI rank | The SAI rank |
| Guarantee the required flow process of positional information validity | Do not have | The Routing Area Update flow process | Routing Area Update flow process or position message flow process |
If in GGSN, disposed billing function based on customer position information, then there is PDP (Packet Data Protocol in SGSN getting access at every turn, packet data protocol) user's SAI (Service Area Identity, Service Area Identifier) time, need all to judge whether SAI changes (for GERAN access network situation, be CGI (Cell Global Identity with the SAI corresponding parameters among the SGSN, Cell Global Identity)), if change, then obtain new ULI parameter by SAI (or CGI), and notice GGSN.
UTRAN/GERAN is linked into CN (Core Network, core net) under the network condition, the user of PMM-CONNECTED state (A/Gb pattern GERAN inserts and is the READY state) is from SRNC (Source RNC, source RNC)/SBSC (Source BSC, the source base station controller) moves to TRNC (Target RNC, target radio network controller)/TBSC (Target BSC, target base station controller) time, in order to guarantee continuing fast of customer service, SRNC/SBSC can trigger SRNS reorientation/switching flow (SRNSRelocation/Hand Over), and the RNC/BSC side tie point that user between RNC/BSC and the CN connects is moved to TRNC/TBSC from SRNC/SBSC.
Fig. 2 has described in the prior art GGSN and has supported under the position-based charging case, the signalling interactive process of SRNS reorientation/switching flow (comprise between the UTRAN/GERAN network and switching) and follow-up flow process:
Step S201 to S207 is SRNS reorientation/switching flow stage, particularly:
Step S201, Target RNS/BSS notice New SGSN reorientation/switching is finished;
Step S202 to S203, if SGSN changes, New SGSN notice Old SGSN reorientation is finished;
Step S204 to S205, if SGSN changes, New SGSN initiates to upgrade the PDP Context flow process to GGSN, GGSN switches Gn mouth tunnel to New SGSN;
Step S206 to S207, Old SGSN discharges and resources such as the Iu of source RNC is connected;
Step S208 to step S216 be the Routing Area Update flow process stage, particularly:
Step S208, if UE finds present located RA (Routing Area, the route district) changes, then initiate Routing Area Update (Routing Area Updata, abbreviate RAU as) flow process, RNS/BSS has attached user's current location information parameter (SAI/CGI) in being transmitted to this message of SGSN;
Step S209 to S210 changes if SGSN finds user's SAI/CGI in the RAU flow process, then initiates to upgrade PDP Context message to GGSN, the new ULI (being obtained by SAI or CGI) of notice GGSN;
Step S211 to S212 carries out routing update and accepts notice and finish the affirmation Signalling exchange between UE and the SGSN;
Step S213 to S216 is that the follow-up flow process stage is finished in SRNS reorientation/switching, particularly:
Step S213 to S214, if the current route of UE district does not change, UE does not send the Routing Area Update flow process, SGSN trigger position report flow, RNS/BSS is to the SAI/CGI at the current place of SGSN report of user;
Step S215 to S216, SGSN finds the current SAI parameter change of user, just initiates the information change notifying flow process to GGSN, the new ULI parameter (being obtained by SAI/CGI) of notice GGSN;
According to learning with top description: CN can not get access to customer position information in existing SRNS reorientation/switching flow, and CN just can get access to customer position information in Routing Area Update after reorientation is finished or the position message flow process.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: SRNS reorientation/switching flow redundancy, realize complicated.
Summary of the invention
The present invention aims to provide a kind of location information updating method for subscriber equipment, to solve the redundant and difficult problem that realizes of prior art SRNS reorientation/switching flow.
According to an aspect of the present invention, provide a kind of location information updating method for subscriber equipment, be used for upgrading the positional information of described subscriber equipment at SRNS Serving Radio Network Subsystem reorientation/handoff procedure.
Location information updating method for subscriber equipment according to the embodiment of the invention comprises: core network element receives the reorientation/handoff completion message from radio network controller, wherein, carries the current location information of subscriber equipment in reorientation/handoff completion message; Judge under the situation that the positional information of subscriber equipment changes that at core network element core network element is with the updating location information of its subscriber equipment of preserving the in advance current location information for the subscriber equipment that receives.
Preferably, above-mentioned core network element comprises new Serving GPRS Support Node and Gateway GPRS Support Node, and the processing that core network element receives reorientation/handoff completion message is specially: new Serving GPRS Support Node receives the reorientation/handoff completion message from radio network controller; Judge under the situation that the positional information of subscriber equipment changes at new Serving GPRS Support Node, new Serving GPRS Support Node is the current location information of subscriber equipment with the updating location information of its subscriber equipment of preserving in advance, and the current location information of subscriber equipment is sent to Gateway GPRS Support Node; Gateway GPRS Support Node is the current location information of subscriber equipment with the updating location information of its subscriber equipment of preserving in advance.
Preferably, new Serving GPRS Support Node specifically comprises the processing that the current location information of subscriber equipment sends to Gateway GPRS Support Node: the update packet data protocol contexts message that new Serving GPRS Support Node will carry the current location information of subscriber equipment sends to Gateway GPRS Support Node.
Preferably, also carry the address information and the link information of new Serving GPRS Support Node in this update packet data protocol contexts message, said method further comprises: Gateway GPRS Support Node is set up and new being connected of Serving GPRS Support Node according to address information and link information.
Preferably, Gateway GPRS Support Node is set up its processing that is connected with new Serving GPRS Support Node and further comprised: Gateway GPRS Support Node disconnects itself and being connected of old Serving GPRS Support Node.
Preferably, before new Serving GPRS Support Node obtained reorientation/handoff completion message from radio network controller, said method further comprised: radio network controller obtains the current location information of determining subscriber equipment according to the Service Area Identifier of subscriber equipment or Cell Global Identity.
Preferably, said method further comprises: subscriber equipment is initiated the Routing Area Update request to new Serving GPRS Support Node; New Serving GPRS Support Node sends Routing Area Update to subscriber equipment and accepts message; Subscriber equipment returns Routing Area Update to new Serving GPRS Support Node and finishes message.
By technique scheme of the present invention, can overcome the problem of SRNS reorientation/switching flow redundancy in the correlation technique, thereby reach the effect of simplifying SRNS reorientation/switching flow.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is a UMTS packet field network configuration diagram in the prior art;
Fig. 2 is the flow chart of the SRNS repositioning process of UMTS packet field network in the prior art;
Fig. 3 is the user position information updating method flow chart according to the embodiment of the invention;
Fig. 4 is a user position information updating method flow chart according to the preferred embodiment of the invention;
Fig. 5 is the signaling process figure according to the SRNS reorientation/switching of the embodiment of the invention;
Fig. 6 is the signaling process figure according to the SRNS switching of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Method embodiment
The embodiment of the invention has proposed a kind of UE location information updating method, is used for upgrading at SRNS reorientation/handoff procedure the positional information of described UE.
As shown in Figure 3, the UE location information updating method according to the embodiment of the invention comprises following processing:
Step S302, core network element receives the reorientation/handoff completion message from RNC, wherein, carries the current location information of UE in reorientation/handoff completion message;
Step S304 judges under the situation that the positional information of UE changes at core network element, and core network element is with the updating location information of its UE that preserves the in advance current location information for the UE that receives.
By the foregoing description, in SRNS reorientation/handoff procedure, just upgrade the customer position information among the CN, thus overcome the problem of prior art SRNS reorientation/switching flow redundancy, and then reached the effect of simplifying SRNS reorientation/switching flow.
Wherein, above-mentioned core network element comprises: new SGSN and GGSN, and as shown in Figure 4, the UE location information updating method comprises following processing according to the preferred embodiment of the invention:
Step S402, new SGSN receives the reorientation/handoff completion message from radio network controller;
Step S404 judges that at new SGSN new SGSN is the current location information of UE with the updating location information of its UE that preserves in advance, and the current location information of UE is sent to GGSN under the situation that the positional information of UE changes;
Step S406, GGSN is the current location information of UE with the updating location information of its UE that preserves in advance.
Wherein, RNC obtains the current location information of determining UE according to Service Area Identifier or the Cell Global Identity of UE.
In step S404, new SGSN specifically comprises the processing that the current location information of UE sends to GGSN: the renewal PDP Context message that new SGSN will carry the current location information of UE sends to GGSN.
New SGSN not only carries the current location information of UE, and carries address information, TEID (Tunnel EndpointIdentify, the tunnel endpoint identifier) tunnel information of new SGSN in upgrading PDP Context message; After GGSN received and upgrades PDP Context message, GGSN disconnected itself and being connected of old SGSN, and switched with the new GTP tunnel of SGSN and be connected, and can begin afterwards to carry out location-based charging processing with new ULI.
Preferably, said method further comprises: subscriber equipment is initiated the Routing Area Update request to new Serving GPRS Support Node; New Serving GPRS Support Node sends Routing Area Update to subscriber equipment and accepts message; Subscriber equipment returns Routing Area Update to new Serving GPRS Support Node and finishes message.
By the foregoing description, can upgrade in time user's ULI information of GGSN has improved the accuracy of chargeing based on ULI, only produces ticket in SRNS reorientation/switching flow one time.
Example 1
Fig. 5 is that the objective network according to the embodiment of the invention is the signaling process figure of reorientation/switching of UTRAN.Polytype flow process form in SRNS reorientation/switch decision stage and SRNS reorientation/switching intermediate treatment stage does not influence technical scheme of the present invention, is not described in detail at this.
As shown in Figure 5, as follows according to the signaling process of the SRNS reorientation/switching of the embodiment of the invention:
Step S502, after TRNS (RNC) finishes SRNS reorientation/switching intermediate treatment process, at this moment, TRNS and set up the wireless side contact between the UE, so TRNS can obtain the Cell ID (cell ID) of sub-district, the current place of user, can determine the SAI information in a unique PS territory according to Cell ID, TRNS finishes in the reorientation that sends to SGSN increases the current SAI information of user of carrying in the message;
Step S504 to S506, if SGSN changes, the reorientation of then new SGSN notice old SGSN is finished, old SGSN returns reorientation to new SGSN and finishes and reply;
Step S508 to S510, new SGSN is in upgrading PDP Context message, not only carry the tunnel information such as address, TEID of new SGSN, and carry the new ULI information of user (can obtain) by SAI, after GGSN receives message, switch GTP tunnel and connect, and begin to carry out location-based charging with new ULI; GGSN returns to new SGSN and upgrades the PDP Context response;
Step S512 to S514, old SGSN discharges and resources such as the Iu of source RNS/BSS is connected;
Step S516, UE initiates the Routing Area Update flow process, and UE initiates the Routing Area Update request to new SGSN;
Step S518, new SGSN sends Routing Area Update to UE and accepts message;
Step S520, UE returns Routing Area Update to new SGSN and finishes message.
In step S516 to S520, the SAI parameter that SGSN receives is identical with SAI parameter among the step S508, and therefore new SGSN no longer sends to GGSN and upgrades the PDP Context flow process; In addition, because notified CN new SAI parameter before the RNC, so, no longer need the position message flow process between new SGSN and the Target RNS, equally, new SGSN can not trigger to GGSN initiation renewal PDP Context flow process yet again and upgrade the ULI parameter, thereby has simplified the process of handling.
Example 2
Fig. 6 is that the objective network according to the embodiment of the invention is the hand off signaling flow chart of UTRAN.Polytype flow process form in SRNS reorientation/switch decision stage and SRNS reorientation/switching intermediate treatment stage does not influence technical scheme of the present invention, is not described in detail at this.
As shown in Figure 6, SRNS reorientation according to another embodiment of the present invention/hand off signaling flow process may further comprise the steps:
Step S602, after TRNS (RNC) finishes SRNS reorientation/switching intermediate treatment process, at this moment, TRNS and set up the wireless side contact between the UE, so TRNS can obtain the Cell ID (cell ID) of sub-district, the current place of user, can determine the SAI information in a unique PS territory according to Cell ID, TRNS finishes in the reorientation that sends to SGSN increases the current SAI information of user of carrying in the message;
Step S602, after target BS S finishes SRNS reorientation/switching intermediate treatment process, at this moment, target BS S and set up the wireless side contact between the UE, so target BS S can obtain the Cell ID (CGI) of sub-district, the current place of user, target BS S increases the current CGI information of user of carrying in the handoff completion message that sends to SGSN;
Step S604 to S606, if SGSN changes, the reorientation of then new SGSN notice old SGSN is finished, old SGSN returns reorientation to new SGSN and finishes and reply;
Step S608 to S610, new SGSN is in upgrading PDP Context message, not only carry the tunnel information such as address, TEID of new SGSN, and carry the new ULI information of user (can obtain) by CGI, after GGSN receives message, switch GTP tunnel and connect, and begin to carry out location-based charging with new ULI; GGSN returns to new SGSN and upgrades the PDP Context response;
Step S612 to S614, old SGSN discharges and resources such as the Iu of source RNS/BSS is connected;
Step S616, UE initiates the Routing Area Update flow process, and UE initiates the Routing Area Update request to new SGSN;
Step S618, new SGSN sends Routing Area Update to UE and accepts message;
Step S620, UE returns Routing Area Update to new SGSN and finishes message.
In step S616 to S620, the SAI parameter that SGSN receives is identical with SAI parameter among the step S608, and therefore new SGSN no longer sends to GGSN and upgrades the PDP Context flow process; In addition, because notified CN new CGI parameter before the RNC, so, no longer need the position message flow process between new SGSN and the Target RNS, certainly same, new SGSN can not trigger to GGSN initiation renewal PDP Context flow process yet again and upgrade the ULI parameter, thereby has simplified handling process.
As can be seen from the above description, the present invention has reached following effect:
(1) reduces the redundant step that follow-up phase is finished in reorientation, improved flow path efficiency;
(2) GGSN can upgrade user's ULI information more timely, has improved the accuracy of chargeing based on ULI, only produces ticket in SRNS reorientation/switching flow one time.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a location information updating method for subscriber equipment is used for the positional information at SRNS Serving Radio Network Subsystem reorientation/described subscriber equipment of handoff procedure renewal, it is characterized in that, comprising:
Core network element receives the reorientation/handoff completion message from radio network controller, wherein, carries the current location information of subscriber equipment in described reorientation/handoff completion message;
Judge under the situation that the positional information of described subscriber equipment changes that at described core network element described core network element is with the updating location information of its described subscriber equipment of preserving the in advance current location information for the described subscriber equipment that receives.
2. method according to claim 1 is characterized in that described core network element comprises new Serving GPRS Support Node and Gateway GPRS Support Node, and the processing that described core network element receives described reorientation/handoff completion message is specially:
Described new Serving GPRS Support Node receives the described reorientation/handoff completion message from described radio network controller;
Judge under the situation that the positional information of described subscriber equipment changes at described new Serving GPRS Support Node, described new Serving GPRS Support Node is the current location information of described subscriber equipment with the updating location information of its described subscriber equipment of preserving in advance, and the current location information of described subscriber equipment is sent to described Gateway GPRS Support Node;
Described Gateway GPRS Support Node is the current location information of described subscriber equipment with the updating location information of its described subscriber equipment of preserving in advance.
3. method according to claim 2 is characterized in that, described new Serving GPRS Support Node specifically comprises the processing that the current location information of described subscriber equipment sends to described Gateway GPRS Support Node:
The update packet data protocol contexts message that described new Serving GPRS Support Node will carry the current location information of described subscriber equipment sends to described Gateway GPRS Support Node.
4. method according to claim 3 is characterized in that, also carries the address information and the link information of described new Serving GPRS Support Node in the described update packet data protocol contexts message, and described method further comprises:
Described Gateway GPRS Support Node is set up and being connected of described new Serving GPRS Support Node according to described address information and described link information.
5. method according to claim 4 is characterized in that, described Gateway GPRS Support Node is set up it and further comprised with the processing that is connected of described new Serving GPRS Support Node:
Described Gateway GPRS Support Node disconnects itself and being connected of old Serving GPRS Support Node.
6. method according to claim 2 is characterized in that, before described new Serving GPRS Support Node obtained described reorientation/handoff completion message from described radio network controller, described method further comprised:
Described radio network controller obtains the current location information of determining described subscriber equipment according to the Service Area Identifier of described subscriber equipment or Cell Global Identity.
7. according to each described method in the claim 2 to 6, it is characterized in that, further comprise:
Described subscriber equipment is initiated the Routing Area Update request to described new Serving GPRS Support Node;
Described new Serving GPRS Support Node sends Routing Area Update to described subscriber equipment and accepts message;
Described subscriber equipment returns Routing Area Update to described new Serving GPRS Support Node and finishes message.
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| CN106851552A (en) * | 2015-12-04 | 2017-06-13 | 中兴通讯股份有限公司 | Charging method and device based on cell |
| CN106851552B (en) * | 2015-12-04 | 2020-04-10 | 中兴通讯股份有限公司 | Charging method and device based on cell |
| WO2017202342A1 (en) * | 2016-05-26 | 2017-11-30 | 中兴通讯股份有限公司 | Method, device and system for reporting information |
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| CN101309513B (en) | 2012-03-28 |
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