CN101115311A - Method and apparatus for implementing PHS inter-bureau link switch - Google Patents
Method and apparatus for implementing PHS inter-bureau link switch Download PDFInfo
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- CN101115311A CN101115311A CNA2007101215941A CN200710121594A CN101115311A CN 101115311 A CN101115311 A CN 101115311A CN A2007101215941 A CNA2007101215941 A CN A2007101215941A CN 200710121594 A CN200710121594 A CN 200710121594A CN 101115311 A CN101115311 A CN 101115311A
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Abstract
The invention discloses a method and device of realizing link switch between PHS locals, which is used for the switch among the PHS locals, wherein the method comprises: step one, the PHS terminal sends a link switch inquiry information to a new local SGSN through a new local stage, the new local SGSN gains the registration information of the users according to the link switch inquiry information; step two, the new local SGSN sends a PDP context update inquiry information to GGSN according to the registration information, the GGSN updates the PDP context of the users, and sends a position update inquiry information to an ascription position register; step three, the ascription position register sends an inserting users data inquiry information to the new local SGSN, the local SGSN inserts the users data, the ascription position register accomplishes the update of the user position information, so the link switch is achieved. By adopting the method, the invention realizes link switch of the grouping user among different PHS group servers and keeps continuity of operation.
Description
Technical field
The present invention relates to field of mobile communication, particularly relate to method and device thereof that a kind of realization PHS (PersonalHandy-phone System, personal handhold telephone system) Packet data service interexchange link switches.
Background technology
The PHS Packet data service is meant on the basis of existing P HS speech business network, by upgrading PHS base station, increase PHS packet data core network switching equipment and upgrading phs terminal, grouping data services such as web page browsing, Email, chat are provided for PHS user.
As shown in Figure 1, it is PHS packet data network structure chart in the prior art, this network configuration comprises SGSN (Serving GPRS Support Node, Serving GPRS Support Node), GGSN (GatewayGPRS Support Node, Gateway GPRS Support Node), HLR (Home Location Register, attaching position register), CSC (Cell Station Controller, base station controller), PHS exchange of speech center IGW (Interconnected Gateway, Interworking GateWay), PHS base station CS (Cell Station), the PHS personal terminal PS network equipments such as (Personal Station) and data terminal are formed; A plurality of SGSN can use same GGSN to receive external network.Wherein GPRS is GPRS (General Packet Radio Service).
But, at present in order to realize the PHS Packet data service, generally dispose one or more PHS grouping services in an area, PHS user can realize roaming function between different PHS grouping services, but can not be implemented in seamless switching between 2 PHS grouping services, PHS user is when a PHS grouping service service area moves to another one PHS grouping service service area, link down can take place, cause the PHS Packet data service to be interrupted, PHS user needs again dial registration just can proceed the PHS Packet data service to new PHS grouping service, has caused great obstacle for the PHS user communication.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method and device thereof of the PHS of realization interexchange link switching, is used for solving the problem that prior art can not realize that the PHS grouping user is carried out link switchover between different PHS grouping services.
To achieve these goals, the invention provides the method that a kind of PHS of realization interexchange link switches, be used to comprise the PHS inter-office switchover device of phs terminal, new office base station, old office base station, the new SGSN of office, old office SGSN, GGSN, attaching position register, it is characterized in that this method comprises:
Step 1, described phs terminal sends the link switchover request message by described new office base station to the described new SGSN of office, and the described new SGSN of office obtains user's log-on message according to described link switchover request message;
Step 2, the described new SGSN of office sends the PDP Context update inquiry information according to described log-on message to described GGSN, upgrade this user's PDP Context by described GGSN, and to described attaching position register transmission location update request message, the described old SGSN of office deletes this user's subscription data;
The method that described realization PHS interexchange link switches, wherein, in the described step 1, described link switchover request message comprises the grouping service sign of switching mark and/or the described old SGSN of office.
The method that described realization PHS interexchange link switches wherein, in the described step 1, further comprises: the described new SGSN of office searches and obtains the step of described log-on message at local exchange according to described switching mark.
The method that described realization PHS interexchange link switches, wherein, in the described step 1, further comprise: when the described SGSN of new office when local exchange does not find described log-on message, obtain the SGSN context request message according to described grouping service sign to the described old SGSN of office transmission, ask the step of described log-on message from the described old SGSN of office.
The method that described realization PHS interexchange link switches, wherein, in the described step 1, further comprise: the described old SGSN of office receives described SGSN context request message and returns the step of the SGSN context response information that contains described log-on message to the described new SGSN of office.
The method that described realization PHS interexchange link switches, wherein, in the described step 2, further comprise: the described new SGSN of office obtains this user's subscription data from described attaching position register according to described location update request message, described attaching position register sends the delete position information request message to the described old SGSN of office, the step of asking the described old SGSN of office to delete described subscription data.
The method that described realization PHS interexchange link switches, wherein, in the described step 3, the described step of finishing link switchover is specially:
Step 71, described attaching position register send the position to the described new SGSN of office and upgrade acknowledge message;
Step 72, the described SGSN of new office by described new innings of base station to described phs terminal conversion link switching response message.
The method that described realization PHS interexchange link switches, wherein, in the described step 3, further comprise: the described old SGSN of office sends the disconnecting link request message to described old office base station, the exchange virtual link between described old SGSN of office and the described old office base station is removed in request, and the step of the Radio Link between described old office base station and the described phs terminal.
To achieve these goals, the invention provides a kind of realization PHS interexchange link device for switching, comprise phs terminal, old office base station, old innings SGSN, GGSN, attaching position register, it is characterized in that, also comprise: new office base station, the new SGSN of office;
The described new SGSN of office receives the link switchover request message that described phs terminal is transmitted by described new office base station, obtains user's log-on message according to described link switchover request message; Send the PDP Context update inquiry information according to described log-on message to described GGSN, upgrade this user's PDP Context, and send location update request message to described attaching position register by described GGSN;
Described attaching position register receives described location update request message, send insertion user data requests message to the described new SGSN of office, insert user data by the described new SGSN of office, described attaching position register is finished the renewal of customer position information, realizes link switchover.
Described realization PHS interexchange link device for switching, wherein, described link switchover request message comprises the grouping service sign of switching mark and/or the described old SGSN of office.
Useful technique effect of the present invention is:
Compared with prior art, by the inventive method, can realize that the PHS grouping user carries out link switchover between different PHS grouping services; PHS user when mobile, can keep professional continuity between the service area of different PHS packet service, business is not interrupted, and PHS user need not to dial again again, can enjoy the PHS Packet data service.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is a PHS packet data network structure chart in the prior art;
Fig. 2 is a PHS inter-office switchover method flow diagram of the present invention;
Fig. 3 is a PHS inter-office switchover structure drawing of device of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is made further more detailed description.
As shown in Figure 2, be PHS inter-office switchover method flow diagram of the present invention, this changing method flow process specifically may further comprise the steps:
Step 201, user PS 10 sends link switchover request message (Bind message) to Target CS 21 (the new PHS base station CS of office); Have in the information such as Packet Server ID (grouping service ID) information of Handover sign, the old Origin SGSN of office 32 one or multinomial in this message, wherein the Handover sign is meant switching mark;
Step 202, the new Target CS 21 of office gives the new Target SGSN of office 31 with the Bind forwards;
Step 203, after the new Target SGSN of office 31 receives the Bind message that has the Handover sign, if can not find this user's log-on message at local exchange SGSN, then send SGSN Context Request message (obtaining the SGSN context request message) to the old Origin SGSN of office 32, to the old Origin SGSN of office 32 these users' of request log-on message by Packet Server ID;
Step 204, after the old Origin SGSN of office 32 receives SGSN Context Request message, send SGSN Context Response message (obtaining the SGSN context response information) to the new Target SGSN of office 31, have the requesting users log-on message in this message;
Step 205, the new Target SGSN 31 of office sends SGSN ContextAcknowledge message (SGSN context acknowledgement message) to the old Origin SGSN of office 32, shows that the new Target SGSN of office 31 has received user's registration information;
Step 206, the new Target SGSN 31 of office sends Update PDP ContextRequest message (PDP Context update inquiry information) to GGSN 40, upgrades the PDP Context of this user among the GGSN 40; Wherein PDP is packet data protocol (Packet Data Protocol);
Step 207, GGSN 40 sends Update PDP ContextResponse message (PDP Context renewal response message) to the new Target SGSN of office 31;
Step 208, the new Target SGSN 31 of office initiates Update Location message (location update request message) to HLR 50, obtains this user's subscription data from HLR 50;
Step 209, HLR 50 sends Cancel Location message (delete position information request message) to the old Origin SGSN of office 32, is used for deleting this user profile among the old Origin SGSN 32 of office;
Step 210, the old Origin SGSN 32 of office sends Cancel Location Ack message (delete position response message) to HLR 50, shows that this user profile is deleted;
Step 211 after HLR 50 receives the delete position response message of the old Origin SGSN of office 32 transmissions, sends Insert Subscriber Data message (inserting user data requests message) to the new Target SGSN of office 31;
Step 212, the new Target SGSN 31 of office sends Insert Subscriber Data Ack message (inserting the user data acknowledge message) to HLR 50;
Step 213, HLR 50 sends Update Location Ack message (position renewal acknowledge message) to the new Target SGSN of office 31, and this moment, HLR 50 upgraded this user position information;
Step 214 is after the new Target SGSN of office 31 receives that acknowledge message is upgraded in the position of HLR 50 transmissions, to new office Target CS 21 transmission+RSP (Bind) message (link switchover response message);
Step 215, the new Target CS 21 of office is to user PS 10 transmission+RSP (Bind) message;
Step 216, the old Origin SGSN 32 of office sends Unbind (Handover) message (disconnecting link request message) to the old Origin CS of office 22, remove SVC (the Switched Virtual Circuit between old Origin SGSN of office 32 and the old Origin CS of office 22, Switched Virtual Circuit) link, and the Radio Link between old Origin CS 22 of office and the user PS 10;
Step 217, the old Origin CS 22 of office is to old office Origin SGSN 32 transmission+RSP (Unbind) message (disconnecting link response message), and interexchange link switches so far to be finished.
As shown in Figure 3, be PHS inter-office switchover structure drawing of device of the present invention, in conjunction with Fig. 2, this device 3 comprises: user PS 10, the new CS 21 of office, the old CS 22 of office, the new SGSN 31 of office, old office SGSN 32, GGSN 40, HLR 50.The new CS 21 of office is Target CS, and the old CS 22 of office is Origin CS, and the new SGSN 31 of office is Target SGSN, and the old SGSN 32 of office is Origin SGSN.
The new CS 21 of office receives the link switchover request message that user PS 10 sends, and the link switchover request message is transmitted to the new SGSN 31 of office;
The new SGSN 31 of office receives the link switchover request message that the new CS of office 21 transmits, and the Handover sign in this message is searched user's log-on message at local exchange, if can not find this user's log-on message at local exchange SGSN; Obtain the SGSN context request message by the Packet Server ID in this message to the old SGSN of office 32 transmissions, obtain this user's log-on message; After obtaining user's log-on message, send the PDP Context update inquiry information to GGSN40, the PDP Context of this user among the GGSN 40 is upgraded in request; Send location update request message to HLR 50, request HLR 50 upgrades this user position information;
The old SGSN 32 of office, what receive that the new SGSN of office 31 sends obtains the SGSN context request message, returns and obtains the SGSN context response information, receives the SGSN context acknowledgement message that the new SGSN 31 of office returns;
GGSN 40, receive the PDP Context update inquiry information that the new SGSN of office 31 sends, and upgrade PDP Context according to this request message, return PDP Context and upgrade response message;
When the link switchover success, the old SGSN 32 of office is connected with the old CS of office 22 disconnecting links.
The invention provides the method that a kind of PHS of realization interexchange link switches, it realizes PHS inter-office switchover function by inter-office switchover message and the PHS inter-office switchover flow process between the newly-increased PHS grouping service, by this method, can realize that the PHS grouping user carries out link switchover between different PHS grouping services; PHS user when mobile, can keep the continuity of PHS Packet data service between the service area of different PHS packet service (a plurality of area that belongs to different offices), business is not interrupted, and the user need not to dial again again, can enjoy the PHS Packet data service.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. method that realizes that the PHS interexchange link switches is used to comprise the PHS inter-office switchover device of phs terminal, new office base station, old office base station, the new SGSN of office, old office SGSN, GGSN, attaching position register it is characterized in that this method comprises:
Step 1, described phs terminal sends the link switchover request message by described new office base station to the described new SGSN of office, and the described new SGSN of office obtains user's log-on message according to described link switchover request message;
Step 2, the described new SGSN of office sends the PDP Context update inquiry information according to described log-on message to described GGSN, upgrade this user's PDP Context by described GGSN, and to described attaching position register transmission location update request message, the described old SGSN of office deletes this user's subscription data;
Step 3, described attaching position register send to the described new SGSN of office and insert user data requests message, insert user data by the described new SGSN of office, and described attaching position register is finished the renewal of customer position information, realizes link switchover.
2. the method that realization PHS interexchange link according to claim 1 switches is characterized in that, in the described step 1, described link switchover request message comprises the grouping service sign of switching mark and/or the described old SGSN of office.
3. the method that realization PHS interexchange link according to claim 2 switches is characterized in that, in the described step 1, further comprises: the described new SGSN of office searches and obtains the step of described log-on message at local exchange according to described switching mark.
4. the method that realization PHS interexchange link according to claim 3 switches, it is characterized in that, in the described step 1, further comprise: when the described SGSN of new office when local exchange does not find described log-on message, obtain the SGSN context request message according to described grouping service sign to the described old SGSN of office transmission, ask the step of described log-on message from the described old SGSN of office.
5. the method that realization PHS interexchange link according to claim 4 switches, it is characterized in that, in the described step 1, further comprise: the described old SGSN of office receives described SGSN context request message and returns the step of the SGSN context response information that contains described log-on message to the described new SGSN of office.
6. according to each described method that realizes the switching of PHS interexchange link of claim 1-5, it is characterized in that, in the described step 2, further comprise: the described new SGSN of office obtains this user's subscription data from described attaching position register according to described location update request message, described attaching position register sends the delete position information request message to the described old SGSN of office, the step of asking the described old SGSN of office to delete described subscription data.
7. according to the method for each described realization PHS interexchange link switching of claim 1-5, it is characterized in that in the described step 3, the described step of finishing link switchover is specially:
Step 71, described attaching position register send the position to the described new SGSN of office and upgrade acknowledge message;
Step 72, the described SGSN of new office by described new innings of base station to described phs terminal conversion link switching response message.
8. the method that realization PHS interexchange link according to claim 7 switches, it is characterized in that, in the described step 3, further comprise: the described old SGSN of office sends the disconnecting link request message to described old office base station, the exchange virtual link between described old SGSN of office and the described old office base station is removed in request, and the step of the Radio Link between described old office base station and the described phs terminal.
9. realize PHS interexchange link device for switching for one kind, comprise phs terminal, old office base station, old innings SGSN, GGSN, attaching position register, it is characterized in that, also comprise: new office base station, the new SGSN of office;
The described new SGSN of office receives the link switchover request message that described phs terminal is transmitted by described new office base station, obtains user's log-on message according to described link switchover request message; Send the PDP Context update inquiry information according to described log-on message to described GGSN, upgrade this user's PDP Context, and send location update request message to described attaching position register by described GGSN;
Described attaching position register receives described location update request message, send insertion user data requests message to the described new SGSN of office, insert user data by the described new SGSN of office, described attaching position register is finished the renewal of customer position information, realizes link switchover.
10. realization PHS interexchange link device for switching according to claim 9 is characterized in that, described link switchover request message comprises the grouping service sign of switching mark and/or the described old SGSN of office.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101215941A CN101115311A (en) | 2007-09-10 | 2007-09-10 | Method and apparatus for implementing PHS inter-bureau link switch |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101215941A CN101115311A (en) | 2007-09-10 | 2007-09-10 | Method and apparatus for implementing PHS inter-bureau link switch |
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| CNA2007101215941A Pending CN101115311A (en) | 2007-09-10 | 2007-09-10 | Method and apparatus for implementing PHS inter-bureau link switch |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056289A (en) * | 2009-10-28 | 2011-05-11 | ***通信集团公司 | Terminal locating method based on mobile network, system and locating information server |
| WO2012097693A1 (en) * | 2011-01-17 | 2012-07-26 | 华为技术有限公司 | Registration method, system and device |
| CN103457967A (en) * | 2012-05-30 | 2013-12-18 | 腾讯科技（深圳）有限公司 | Service node switching method and system |
-
2007
- 2007-09-10 CN CNA2007101215941A patent/CN101115311A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056289A (en) * | 2009-10-28 | 2011-05-11 | ***通信集团公司 | Terminal locating method based on mobile network, system and locating information server |
| WO2012097693A1 (en) * | 2011-01-17 | 2012-07-26 | 华为技术有限公司 | Registration method, system and device |
| CN103457967A (en) * | 2012-05-30 | 2013-12-18 | 腾讯科技（深圳）有限公司 | Service node switching method and system |
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Open date: 20080130 |