CN100499421C - Method for performing switching between PHS to WCDMA system - Google Patents
Method for performing switching between PHS to WCDMA system Download PDFInfo
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- CN100499421C CN100499421C CNB2003101120534A CN200310112053A CN100499421C CN 100499421 C CN100499421 C CN 100499421C CN B2003101120534 A CNB2003101120534 A CN B2003101120534A CN 200310112053 A CN200310112053 A CN 200310112053A CN 100499421 C CN100499421 C CN 100499421C
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Abstract
A switch method between the systems of PHS and WCDMA is that the terminal or the network judges to carry out initial switch according to the measurement to adjacent regions between the systems by the terminal and determines the necessary switch region then to switch in light of the following steps: PHS sends information to WCDMA for switch which returns back the switch response to PHS after preparing related resources, PHS sends instructions of switch to WCDMA which sends the information of switch success to PHS after the terminal is able to communicate normally in the system, PHS releases all resources originally occupied by the said terminal.
Description
Technical field
The present invention relates to Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access) system (hereinafter to be referred as WCDMA) and PHS (Personal Handy phone System) inter-system switching method, particularly relate to PHS and between the WCDMA system, switch manner of execution.
Background technology
Extensive use and fast development along with mobile communcations system, a lot of key technologies in the mobile system also are gradually improved, when realizing user's proper communication, also must consider how to obtain best performance, obtain for system and subscriber equipment and can both obtain gratifying preferably effect.
In China, will be widely used very soon as one of the main standard of 3G (Third Generation) Moblie WCDMA, therefore the PHS system situation of WCDMA and PHS two net coexistences will occur in China also ubiquity at present simultaneously.In the case, realize that PHS is the common expectation of operator and communication user institute to seamlessly transitting of WCDMA, the problem that solves a key of WCDMA and the real coexistence of PHS two nets is the switching between these two systems of realization.In the related protocol standard of 3GPP, stipulate the mutual switching between second-generation systems such as WCDMA system and GSM, but do not had the switching between regulation and PHS system.The same switching of in the relevant criterion of PHS system, also not considering between PHS system and WCDMA system.The user of PHS system if can realize switching between two systems in the zone that the WCDMA system covers, can guarantee PHS user's performance better, also simultaneously can produce more benefit for the operator.
The WCDMA system is relatively short at the development time of various countries, and the PHS system is not the unified standard in the whole world, its commercial countries and regions are less, and are therefore also less relatively for the research of switching between two systems, also do not having data to look into aspect the specific implementation of switching between these two systems at present.
Summary of the invention
The objective of the invention is to have proposed a kind of switching manner of execution of head it off, can realize the switching between PHS system to WCDMA system effectively at there not being travelling carriage to carry out processing method in the prior art from the switching of PHS system and WCDMA system.
For realizing switching to the switching of WCDMA system from the PHS system, end side or network side are according to the measurement situation (" terminal " in this specification sometimes also use " travelling carriage ") of terminal PS (Personal Station) to adjacent sub-district between system, carry out initial switch decision, need to determine the sub-district of switching, follow these steps to then switch:
1.1 through measuring and judgement, the PHS system sends message to the WCDMA system and requires to switch; Specifically can comprise:
1.1.1 travelling carriage or have the base station of connection to carry out relevant measurement with travelling carriage;
1.1.2 according to measuring or other factors, judge when the base station controller of PHS and to think when being necessary to initiate between the system of WCDMA, to switch, send message (as " switching needs " message) to the core switching network of PHS system and require to switch;
1.1.3 the core switching network of PHS sends message (as " switch and prepare ") to the core net CN of WCDMA system (Core Network), requires the WCDMA side to do corresponding preparation;
1.2 the WCDMA system after being ready to respective resources, returns the response message that can switch to the PHS system; Specifically can comprise:
1.2.1 core net in the WCDMA system and the radio network controller (RNC) (RadioNetwork Controller) to the Target cell place send message (as " re-positioning request "), expression has the user will cut in the sub-district of this RNC administration;
1.2.2 radio network controller distributes adequate resources, and finish and corresponding base station between Radio Link set up, initiate a response message (as " re-positioning request affirmation " message) to core net CN then, show that target radio network controller RNC has carried out the preparation of switching;
1.2.3 net CN is receiving the response message that can switch that target radio network controller RNC sends (as " re-positioning request affirmation " message) afterwards, send response message (as " switch and prepare response " message) to the core switching network of PHS, show that the WCDMA system side carried out all preparations;
1.3 the PHS system sends the order of switching to the WCDMA system to travelling carriage; Specifically can comprise:
1.3.1 the core switching network of PHS is sent to base station controller and sends message (as " switching command " message), shows can switch in the WCDMA system and goes;
1.3.2 the base station controller in the PHS system sends " switching between system " order to travelling carriage, requires this travelling carriage to switch to the WCDMA system;
1.4 travelling carriage can proper communication in the WCDMA system after, WCDMA sends handover success message to the PHS system; Specifically can comprise:
1.4.1 Target RNC when detecting this travelling carriage, sends " reorientation detects " message to core net CN;
1.4.2 travelling carriage sends " switch between system and finish " message to target radio network controller RNC;
1.4.3 after can proper communication in the WCDMA system, send message (as " reorientation is finished " message) to core net CN, show switching success by radio network controller (RNC);
1.4.4 core net CN sends message (as " switching is finished " message) to the core switching network of PHS system, shows to switching between the system of WCDMA system to complete successfully;
1.5 all resources that originally took of this travelling carriage in the PHS system delivery system;
In such scheme, also can send in the order that the WCDMA system is switched to travelling carriage a timer is set in step 1.3PHS system, if travelling carriage does not return PHS, all resources that originally took of this travelling carriage in the PHS system delivery system in scope regularly.
Method logic of the present invention is reasonable, efficient is higher, can realize the hand-off process of PHS system to the WCDMA system, realization has the UE that supports WCDMA and PHS dual-mode capabilities, under the triggering of certain condition, can successfully switch to the WCDMA system from the PHS system.
Description of drawings
Fig. 1 is the flow chart of travelling carriage of the present invention from an embodiment of PHS system to WCDMA system switching;
Fig. 2 is the manner of execution schematic diagram that travelling carriage of the present invention switches from PHS system to WCDMA system.
Embodiment
Can implement the terminal that the PHS system switches to the WCDMA system among the present invention and must possess bimodulus or the multimode terminal that to support WCDMA system and PHS system.
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme:
The flow process of a kind of embodiment of the method for the invention as shown in Figure 1, as can be seen from Figure 1:
(1) in the PHS system, after measuring and adjudicating, if think and need switch, then (promptly 101 going on foot) switched to WCDMA system transmission message (as " switch and prepare " message) requirement in the PHS system.In the message of this handoff request, need carry mobile subscriber's the relevant information of business, so that in the WCDMA system, can carry out the distribution etc. of resource.
(2) the WCDMA system returns " response " message (i.e. 102 steps) to the PHS system after being ready to respective resources.The core net CN of WCDMA system resolves after the handoff request of receiving from the PHS system, and sends message (as RELOCATION REQUEST message) to target SRNC (service wireless network controller), tells the switching demand that it has other system.SRNC is according to the relevant information in the message, at ready (between the foundation of Radio Link etc.) afterwards as admittance, resource allocation and corresponding base station, return a message (as the re-positioning request acknowledge message) to core net CN, CN sends a response message (as " switch and prepare response " message) to the PHS system immediately, tell PHS system, carried out all preparations in WCDMA one side.
(3) the PHS system sends " switching between system " order (i.e. 103 steps) to travelling carriage.The core switching network of PHS system is being received response message from WCDMA (as " switch and prepare response " message) afterwards, promptly send message (as " switching command " message) to the base station controller that travelling carriage connected, expression can begin to carry out substantial change action.Base station controller sends the command messages of " switching between system " immediately to travelling carriage after receiving this message, require travelling carriage to switch.
(4) travelling carriage can proper communication in the WCDMA system after, the WCDMA system sends message (as " switching is finished " message) to the PHS system, expression is switched and is normally finished (promptly 104 going on foot).UE is after obtaining corresponding the contact with WCDMA, and the Target RNC in WCDMA sends " switch between system and finish " message.This Target RNC sends message (as " reorientation is finished " message) to core net CN after receiving this message, show that switching normally finishes.CN sends message (as " switching is finished " message) to the PHS system immediately, shows that the switching between system is normally finished, and can discharge the related resource in the former PHS system.
(5) all resources that originally took of this travelling carriage (i.e. 105 steps) in the PHS system delivery system.Have two kinds of processing methods: a kind of is afterwards, just to discharge the action of resource in the message (as " switching is finished " message) that receives from CN; Another kind is when requiring travelling carriage to carry out switching between system, and a timer is set, if in the timing range, travelling carriage does not return the PHS system, then thinks to discharge the shared resource of this UE in the PHS system side automatically by handover success.In any case, all the resource in the former PHS system must be discharged.
What need specified otherwise in Fig. 1 is: the frame of broken lines in 104 steps, purpose is to show that this step is the step among a kind of embodiment, in another kind of embodiment, can omit, promptly can select according to the needs of flow scheme design, can be after handover success, do not notify PHS system (promptly not having the processing in 104 steps), allow the PHS system after the timer expiry of setting, discharge resource voluntarily.
Fig. 2 is that the PHS system switches to the embodiment that the WCDMA system carries out processing method, for convenience of description, the several symbols that occur among Fig. 2 is done one be described as follows:
PS: travelling carriage.
With travelling carriage the base station controller that is connected is arranged in the PHS-CSC:PHS system.
Core switch in the PHS-IGW:PHS system.
Core net in the CN:WCDMA system.
Target RNC: the radio network controller at travelling carriage switching target place.
(1) in the PHS system, after measuring and adjudicating, if think and to switch, then the base station controller of PHS system sends " switching needs " message (i.e. 201 steps) to its core switching network, need carry some information of Target cell in the message, the core switching network by PHS sends " switch and prepare " message requirement switching (i.e. 202 steps) to the core net CN of WCDMA system then.In the message of this handoff request, information of the ongoing service related information of mobile subscriber, Target cell or the like will be carried.
(2) after the core net CN of WCDMA receives " switch and prepare " message,, send " re-positioning request " message (i.e. 203 steps) to the RNC at Target cell place (being Target RNC) then through resolving.Target RNC is admitted, Resources allocation, is communicated with the foundation of carrying out Radio Link with corresponding base station and to prepare (promptly 204 going on foot) according to the business information in the message etc. immediately.
(3) the WCDMA system is after all preparations of carrying out switching, return " re-positioning request affirmation " message (i.e. 205 steps) to core net CN, return " switch and prepare response " message (i.e. 206 steps) by core net CN to the core switching network of PHS system, show that the WCDMA system side carried out all preparations, the core switching network of PHS system sends " switching command " (i.e. 207 steps) to the base station controller of travelling carriage, notifies it to have carried out substantial change action.
(4) there is the base station controller that is connected to send " switching between system " order (i.e. 208 steps) with travelling carriage in the PHS system to travelling carriage.Travelling carriage after receiving this order, immediately with the WCDMA system in Target cell carry out waiting synchronously action, the corresponding base station of WCDMA sends " change detection to " message (promptly 209 going on foot) by radio network controller (RNC) to CN after detecting.
(5) UE is after obtaining corresponding the contact with WCDMA, and the Target RNC in WCDMA sends " switch between system and finish " message (i.e. 210 steps).This Target RNC sends " reorientation is finished " message (promptly 211 going on foot) to core net CN after receiving this message, show that switching normally finishes.
(6) CN is after receiving " message is finished in reorientation ", and the core switching network in the PHS system sends " switching is finished " message (promptly 212 going on foot), shows that the switching between system is normally finished, and can discharge the related resource in the former PHS system.Core switching network in the PHS system is to having the base station controller that is connected to send " clear command " (i.e. 213 steps) before switching with travelling carriage.Base station controller discharges the resource that all originally took immediately.
Dotted line among Fig. 2 is two optional message, because system has two kinds of processing methods: a kind of is afterwards, just to discharge the action of resource in the message (as " switching is finished " message) that receives from CN; Another kind is when requiring travelling carriage to carry out switching between system, and a timer is set, if in the timing range, travelling carriage does not return the PHS system, then thinks to discharge the shared resource of this UE in the PHS system side automatically by handover success.Need message shown in Fig. 2 for the former processing method,, just can not need the message shown in these two dotted lines for the latter's processing method.
Claims (9)
1, a kind of travelling carriage switches manner of execution from PHS to the WCDMA system, may further comprise the steps:
1.1 through measuring and judgement, PHS system core switching network sends message to WCDMA system core net and requires to switch, and carries the relevant information of business of travelling carriage in the message;
1.2 the WCDMA system is after being ready to respective resources, WCDMA system core net returns the response message that can switch to PHS system core switching network;
1.3 the base station controller in the PHS system sends the order of switching to the WCDMA system to travelling carriage;
1.4 travelling carriage can proper communication in the WCDMA system after, the WCDMA core net sends handover success message to PHS system core switching network;
1.5 all resources that originally took of this travelling carriage in the PHS system delivery system.
2, the described travelling carriage of claim 1 switches manner of execution from PHS to the WCDMA system, it is characterized in that, described step 1.1 comprises:
1.1.1 travelling carriage or have the base station of connection to carry out relevant measurement with travelling carriage;
1.1.2 the base station controller of PHS judges according to measurement and thinks when being necessary to initiate to switch between the system of WCDMA, sends to the core switching network of PHS system and requires to switch message;
1.1.3 the core switching network of PHS sends message to the core net of WCDMA system, requires the WCDMA side to do corresponding preparation.
3, the described travelling carriage of claim 1 switches manner of execution from PHS to the WCDMA system, it is characterized in that, described step 1.2 comprises:
1.2.1 the core net in the WCDMA system has the user will cut the message of this sub-district to the radio network controller transmission at Target cell place;
1.2.2 radio network controller distributes adequate resources, and finish and corresponding base station between Radio Link set up, initiate one to core net then and carried out and switch the response message of preparing;
1.2.3 core net after receiving the response message that can switch that target radio network controller is sent, has been carried out the response message of all preparations to the core switching network transmission WCDMA of PHS system side.
4, the described travelling carriage of claim 1 switches manner of execution from PHS to the WCDMA system, it is characterized in that, described step 1.3 comprises:
1.3.1 the core switching network of PHS sends the message that can switch to the WCDMA system to base station controller;
1.3.2 the base station controller in the PHS system sends " switching between system " order to travelling carriage, requires this travelling carriage to switch to the WCDMA system.
5, the described travelling carriage of claim 1 switches manner of execution from PHS to the WCDMA system, it is characterized in that, described step 1.4 comprises:
1.4.1 target radio network controller when detecting this travelling carriage, sends " reorientation detects " message to core net CN;
1.4.2 travelling carriage sends " switch between system and finish " message to target radio network controller RNC;
1.4.3 after can proper communication in the WCDMA system, send reorientation by radio network controller to core net and finish message;
1.4.4 core net CN sends handoff completion message to the core switching network of PHS system, shows to switching between the system of WCDMA system to complete successfully
6, a kind of travelling carriage switches manner of execution from PHS to the WCDMA system, may further comprise the steps:
6.1 through measuring and judgement, PHS system core switching network sends message to WCDMA system core net and requires to switch, and carries the relevant information of business of travelling carriage in the message;
6.2 the WCDMA system is after being ready to respective resources, WCDMA system core net returns the response message that can switch to PHS system core switching network;
6.3 the base station controller in the PHS system sends the order of switching to the WCDMA system to travelling carriage, and a timer is set simultaneously;
6.4 travelling carriage does not return PHS, all resources that originally took of this travelling carriage in the PHS system delivery system in scope regularly.
7, the described travelling carriage of claim 6 switches manner of execution from PHS to the WCDMA system, it is characterized in that: described step 6.1 comprises:
6.1.1 travelling carriage or have the base station of connection to carry out relevant measurement with travelling carriage;
6.1.2 the base station controller of PHS judges according to measurement and thinks when being necessary to initiate to switch between the system of WCDMA, sends to the core switching network of PHS system and requires to switch message;
6.1.3 the core switching network of PHS sends message to the core net of WCDMA system, requires the WCDMA side to do corresponding preparation.
8, the described travelling carriage of claim 6 switches manner of execution from PHS to the WCDMA system, it is characterized in that: described step 6.2 comprises:
6.2.1 the core net in the WCDMA system has the user will cut the message of this sub-district to the radio network controller transmission at Target cell place;
6.2.2 radio network controller distributes adequate resources, and finish and corresponding base station between Radio Link set up, initiate one to core net then and carried out and switch the response message of preparing;
6.2.3 core net after receiving the response message that can switch that target radio network controller is sent, has been carried out the response message of all preparations to the core switching network transmission WCDMA of PHS system side.
9, the described travelling carriage of claim 6 switches manner of execution from PHS to the WCDMA system, it is characterized in that: " the PHS system sends the order of switching to the WCDMA system to travelling carriage " in the described step 6.3 comprising:
6.3.1 the core switching network of PHS sends the message that can switch to the WCDMA system to base station controller;
6.3.2 the base station controller in the PHS system sends " switching between system " order to travelling carriage, requires this travelling carriage to switch to the WCDMA system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101120534A CN100499421C (en) | 2003-11-04 | 2003-11-04 | Method for performing switching between PHS to WCDMA system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101120534A CN100499421C (en) | 2003-11-04 | 2003-11-04 | Method for performing switching between PHS to WCDMA system |
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| CN1543109A CN1543109A (en) | 2004-11-03 |
| CN100499421C true CN100499421C (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2003101120534A Expired - Fee Related CN100499421C (en) | 2003-11-04 | 2003-11-04 | Method for performing switching between PHS to WCDMA system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102883380B (en) * | 2005-09-14 | 2017-06-09 | 北京三星通信技术研究有限公司 | Method for supporting user equipment transferability in LTE system |
| CN100499911C (en) * | 2006-04-20 | 2009-06-10 | 华为技术有限公司 | Method and system for inter-heterogeneous network switch of terminals |
| CN101330751B (en) * | 2007-06-19 | 2015-11-25 | 华为技术有限公司 | The method of releasing source network resource, gateway entity and the network equipment |
| CN101146270B (en) * | 2007-09-25 | 2010-06-16 | 中兴通讯股份有限公司 | A PHS and WCDMA intercommunication system and its intercommunication method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001268645A (en) * | 2000-03-22 | 2001-09-28 | Matsushita Electric Ind Co Ltd | Mobile communication hybrid terminal machine and radio system using the same |
| CN1395385A (en) * | 2001-06-01 | 2003-02-05 | 日本电气株式会社 | Mobile communication terminal |
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2003
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001268645A (en) * | 2000-03-22 | 2001-09-28 | Matsushita Electric Ind Co Ltd | Mobile communication hybrid terminal machine and radio system using the same |
| CN1395385A (en) * | 2001-06-01 | 2003-02-05 | 日本电气株式会社 | Mobile communication terminal |
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