CN1545235A - Execution method for switching from personal access phone system to WCDMA system - Google Patents
Execution method for switching from personal access phone system to WCDMA system Download PDFInfo
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- CN1545235A CN1545235A CNA2003101162683A CN200310116268A CN1545235A CN 1545235 A CN1545235 A CN 1545235A CN A2003101162683 A CNA2003101162683 A CN A2003101162683A CN 200310116268 A CN200310116268 A CN 200310116268A CN 1545235 A CN1545235 A CN 1545235A
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- travelling carriage
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- broadband cdma
- cdma system
- message
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Abstract
The invention discloses an executing method of switching from PHS system to WCDMA system, including the steps: by measuring and judgment, when it is necessary to switch from PHS system to WCDMA system, the mobile station transmits access request information to WCDMA system for switching; when receives the information of non-access layer, if judging it is switching information from PHS system, the kernel of WCDMA allocates resources to the mobile station to build wireless connection and wireless supporting; stopping communication in PHS system, releasing the resources in PHS system which are originally occupied by the mobile station, and then the mobile station starts communication in WCDMA system. It can effectively implement the mobile station switching processing from PHS system to WCDMA system.
Description
Technical field
The present invention relates to WCDMA (Wideband Code Division Multiple Access (WCDMA), Wideband Code Division MultipleAccess) system and PHS system (personal handyphone system, Personal Handy phoneSystem) method, especially the PHS system of switching between is to the switching manner of execution between the WCDMA system.
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 all effect preferably.
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 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 problem 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 obtain 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, therefore also less relatively for the research of switching between two systems, the data of the specific implementation method of switching between also not having about these two systems at present can be looked into.
From the handover mechanism of system itself, there are bigger difference in WCDMA system and PHS system, realizing between the complete system of WCDMA and PHS in the handoff procedure, switching from the PHS system to the WCDMA system link that is absolutely necessary, and does not still have the method for this switching problem of solution at present.
Summary of the invention
The technical problem that the present invention solves is at not having the switching at PHS system and WCDMA system to carry out processing method in the prior art, proposed a kind of switching manner of execution of head it off, can realizing the switching between PHS system to WCDMA system effectively.
Travelling carriage in the inventive method has two cover transceivers and the controlled function of cooperating mutually, when needs switch, when one cover transceiver and controlling mechanism continued to keep the communication link of PHS system, another set of transceiver and controlling mechanism began the process of similar new calling in the WCDMA system.
The inventive method specifically may further comprise the steps:
1) through measuring and judgement, need initiation to be from personal handyphone system to Wideband Code Division Multiple Access (WCDMA)
When switching between system, travelling carriage sends to broadband CDMA system and inserts request message requirement switching;
2) after the core net of broadband CDMA system is received the information of Non-Access Stratum, judgement is the switching from personal handyphone system, then is this travelling carriage Resources allocation, sets up Radio Link and radio bearer;
3) stop communication in the personal handyphone system, discharge the resource that travelling carriage originally took in the personal handyphone system, travelling carriage begins to communicate in broadband CDMA system.
Described step 1) specifically may further comprise the steps:
1.1) travelling carriage or have the base station of connection to carry out with travelling carriage and switch relevant measurement;
1.2) according to measurement result or other factors, base station controller in the personal handyphone system or travelling carriage judge whether to initiate the switching to broadband CDMA system, switch if desired then to utilize another transceiver to send to broadband CDMA system by travelling carriage to require the message that inserts;
1.3) radio network controller of broadband CDMA system sends the message that connects to travelling carriage, sets up being connected of travelling carriage and universal terrestrial access network.
Described step 2) specifically may further comprise the steps:
2.1) after travelling carriage and broadband CDMA system set up and be connected, the service request that travelling carriage sends Non-Access Stratum to the core net of broadband CDMA system by direct-sending message for information about;
2.2) core net of broadband CDMA system is to differentiating for information about in the non-access layer information, and be confirmed to be switching from personal handyphone system;
2.3) business that the core net of broadband CDMA system need be set up according to the user, the radio network controller to the Target cell place sends message, and requiring it is the travelling carriage Resources allocation, finishes the foundation of RAB;
2.4) radio network controller in the broadband CDMA system admits travelling carriage, Resources allocation is set up Radio Link and radio bearer.
Described step 2.1) direct-sending message in comprises initial direct-sending message, up direct-sending message, descending direct-sending message.
Described step 3) specifically may further comprise the steps:
3.1) after the Access Network of broadband CDMA system side finished and set up radio bearer, Mobile Termination was connected with personal handyphone system;
3.2) personal handyphone system know with the travelling carriage abort communication after, discharge the original shared resource of this travelling carriage;
3.3) travelling carriage begins the proper communication in broadband CDMA system, handoff procedure finishes.
Described step 3.1) in Mobile Termination and personal handyphone system be connected can receive the message that broadband CDMA system has been ready to switch by control device active termination between the transceiver of itself or the core switching network in personal handyphone system by travelling carriage after, send to travelling carriage and to stop when requiring its message of switching.
The inventive method logic is reasonable, efficient is higher, can realize the hand-off process of PHS system to the WCDMA system, utilizes this method, and the travelling carriage with double receiver-transmitter ability can successfully switch to the WCDMA system from the PHS system under the triggering of certain condition.
Description of drawings
Fig. 1 is the basic flow sheet that PHS system to WCDMA system is switched;
Fig. 2 is the embodiment that manner of execution is switched in PHS system to WCDMA system;
Embodiment
Below in conjunction with accompanying drawing the inventive method is described in further details.
The method of the invention basic procedure as shown in Figure 1, as can be seen from Figure 1:
(1) in the PHS system, after measuring and adjudicating, if think when needing to initiate between the system of PHS to WCDMA, to switch, travelling carriage utilizes another transceiver to send RRC (Radio Resource Control) connection to the WCDMA system and sets up request message access WCDMA network, RNC (radio network controller, Radio Network Controller) send the RRC connection to travelling carriage immediately and set up message, travelling carriage is set up with the RRC of WCDMA network and is connected (i.e. 101 steps).In this process, former transceiver did not interrupt with being connected of PHS system, and can carry out normal communication work.
(2), in the WCDMA system, finish RAB and set up (i.e. 102 steps) by the interacting message of travelling carriage and WCDMA system.In this step, travelling carriage (comprises initial direct-sending message by direct-sending message, up direct-sending message, descending direct-sending message) with the CN (core net of WCDMA, Core Network) carries out alternately, CN is after receiving the information of Non-Access Stratum, if through judging switching from the PHS system, promptly assign order by RAB, by RNC is this user resource allocation, and send message (as " Radio Link foundations " message) setting up Radio Link with target cell base station, with travelling carriage transmission message (as " radio bearer foundation " message) to set up radio bearer.
(3) travelling carriage is finished after radio bearer in the WCDMA network sets up, two kinds of methods are arranged: the one, stop communication in the PHS system by the control device between the transceiver of itself, discharge the original resource of distributing of PHS system, the communication of beginning in the WCDMA system; The 2nd, the interacting message between the core net CN by the WCDMA system and the core switching network of PHS system, core switching network by PHS sends switching command by base station controller to travelling carriage then, travelling carriage is received after the switching command, end the communication in the PHS system, the proper communication of beginning in the WCDMA system.(i.e. 103 steps)
Fig. 2 is that the PHS system switches to the embodiment that the WCDMA system carries out processing method, and is for convenience of description, as follows to the several symbol descriptions that occur among Fig. 2:
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.
Fig. 2 is described in detail as follows:
(1) in the PHS system, after measuring and adjudicating, if think and to switch, travelling carriage initiatively passes through its another transceiver and sends to Target cell that " RRC connects and sets up request information (i.e. 201 steps); RNC is on receiving after this message; send RRC to travelling carriage and connect and set up message (promptly 202 going on foot), set up RRC with travelling carriage and be connected.
(2) between travelling carriage and WCDMA network, carry out mutual (i.e. 203 steps) of non-access layer information, it is switching user from the PHS system that the core net CN of WCDMA judges this by some information (as calling number) of Non-Access Stratum, service needed according to travelling carriage, send RAB (Radio Access Bearer to RNC, RAB) assignment messages (i.e. 204 steps) requires to set up RAB for this user, for follow-up normal conversation is got ready.
(3) RNC is after the RAB assignment messages of receiving from CN, after admit, Resources allocation etc. moved, " Radio Link is set up request information; " Radio Link is set up a response " message is returned to RNC in the base station after finishing Radio Link foundation smoothly to the transmission of the base station at Target cell place.Then, RNC sends " RB (Radio Bearer, radio bearer) foundation " message (i.e. 205 steps) to travelling carriage, after travelling carriage is received this message, finishes about after the configuration, returns " radio bearer is set up and finished " message (i.e. 206 steps) to RNC.RNC sends " RAB assigns response " message (promptly 207 going on foot) to core net CN after receiving this message, show that RAB foundation finishes.
(4) the core net CN of WCDMA RAB set up finish after, send " switching is ready to " message (promptly 208 going on foot) to the core switching network of PHS system, inform that it has carried out all preparations in the WCDMA system.The core net of PHS is at once to having the base station controller that is connected to send " release command " (i.e. 209 steps) with travelling carriage, tell it can discharge all resources in the PHS system of travelling carriage, after base station controller is received, send " switching command between system " (i.e. 210 steps) to travelling carriage immediately, and discharge the resource of this travelling carriage in the PHS system immediately.
(5) UE interrupts the communication in the PHS system immediately receiving " switching command between system " afterwards, and beginning is communicated by letter normally at WCDMA.(i.e. 211 steps)
Specified otherwise be: shown in the dotted line among Fig. 2 (208 the step, 209 the step, 210 the step) be three optional message, can select as required.System has two kinds of processing methods as mentioned above: a kind of is after the switching command, just to enter the WCDMA system fully and carry out proper communication between travelling carriage is receiving from the system of PHS system; Another kind is that travelling carriage is finished in the WCDMA system after radio bearer sets up, and just interrupts voluntarily and the getting in touch of PHS system, and enters the WCDMA system fully and communicates.For the former processing method is to need message shown in dotted lines in Figure 2, and for the latter's processing method, just can not need the message shown in these several the dotted lines.
Claims (6)
1. a personal handyphone system is to the switching manner of execution between broadband CDMA system, wherein travelling carriage has two cover transceivers and the controlled function of cooperating mutually, when needs switch, when one cover transceiver and controlling mechanism continue to keep the communication link of PHS system, another set of transceiver and controlling mechanism begin the process of similar new calling in the WCDMA system, specifically may further comprise the steps:
1) through measurement and judgement, when needing initiation to switch between broadband CDMA system from personal handyphone system, travelling carriage sends the access request message to broadband CDMA system and requires to switch;
2) after the core net of broadband CDMA system is received the information of Non-Access Stratum, judgement is the switching from personal handyphone system, then is this travelling carriage Resources allocation, sets up Radio Link and radio bearer;
3) stop communication in the personal handyphone system, discharge the resource that travelling carriage originally took in the personal handyphone system, travelling carriage begins to communicate in broadband CDMA system.
2. switching manner of execution as claimed in claim 1 is characterized in that described step 1) specifically may further comprise the steps:
1.1) travelling carriage or have the base station of connection to carry out with travelling carriage and switch relevant measurement;
1.2) according to measurement result or other factors, base station controller in the personal handyphone system or travelling carriage judge whether to initiate the switching to broadband CDMA system, switch if desired then to utilize another transceiver to send to broadband CDMA system by travelling carriage to require the message that inserts;
1.3) radio network controller of broadband CDMA system sends the message that connects to travelling carriage, sets up being connected of travelling carriage and universal terrestrial access network.
3. switching manner of execution as claimed in claim 1 is characterized in that described step 2) specifically may further comprise the steps:
2.1) after travelling carriage and broadband CDMA system set up and be connected, the service request that travelling carriage sends Non-Access Stratum to the core net of broadband CDMA system by direct-sending message for information about;
2.2) core net of broadband CDMA system is to differentiating for information about in the non-access layer information, and be confirmed to be switching from personal handyphone system;
2.3) business that the core net of broadband CDMA system need be set up according to the user, the radio network controller to the Target cell place sends message, and requiring it is the travelling carriage Resources allocation, finishes the foundation of RAB;
2.4) radio network controller in the broadband CDMA system admits travelling carriage, Resources allocation is set up Radio Link and radio bearer.
4. switching manner of execution as claimed in claim 3 is characterized in that described step 2.1) in direct-sending message comprise initial direct-sending message, up direct-sending message, descending direct-sending message.
5. switching manner of execution as claimed in claim 1 is characterized in that described step 3) specifically may further comprise the steps:
3.1) after the Access Network of broadband CDMA system side finished and set up radio bearer, Mobile Termination was connected with personal handyphone system;
3.2) personal handyphone system know with the travelling carriage abort communication after, discharge the original shared resource of this travelling carriage:
3.3) travelling carriage begins the proper communication in broadband CDMA system, handoff procedure finishes.
6. switching manner of execution as claimed in claim 5, it is characterized in that described step 3.1) in Mobile Termination and personal handyphone system be connected can receive the message that broadband CDMA system has been ready to switch by control device active termination between the transceiver of itself or the core switching network in personal handyphone system by travelling carriage after, send to travelling carriage and to stop when requiring its message of switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310116268 CN1263243C (en) | 2003-11-15 | 2003-11-15 | Execution method for switching from personal access phone system to WCDMA system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310116268 CN1263243C (en) | 2003-11-15 | 2003-11-15 | Execution method for switching from personal access phone system to WCDMA system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1545235A true CN1545235A (en) | 2004-11-10 |
| CN1263243C CN1263243C (en) | 2006-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310116268 Expired - Fee Related CN1263243C (en) | 2003-11-15 | 2003-11-15 | Execution method for switching from personal access phone system to WCDMA system |
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| CN (1) | CN1263243C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100393172C (en) * | 2005-01-19 | 2008-06-04 | 中兴通讯股份有限公司 | Method of seamless switching for mobile telephones in personal handheld telephone system |
| CN1997208B (en) * | 2006-01-06 | 2011-07-20 | 上海原动力通信科技有限公司 | Method for power on and attachment access of the user device in the mobile communication system |
| CN1997207B (en) * | 2006-01-06 | 2012-10-17 | 上海原动力通信科技有限公司 | Method for the power on and registration access of the user service in the mobile communication system |
-
2003
- 2003-11-15 CN CN 200310116268 patent/CN1263243C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100393172C (en) * | 2005-01-19 | 2008-06-04 | 中兴通讯股份有限公司 | Method of seamless switching for mobile telephones in personal handheld telephone system |
| CN1997208B (en) * | 2006-01-06 | 2011-07-20 | 上海原动力通信科技有限公司 | Method for power on and attachment access of the user device in the mobile communication system |
| CN1997207B (en) * | 2006-01-06 | 2012-10-17 | 上海原动力通信科技有限公司 | Method for the power on and registration access of the user service in the mobile communication system |
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| Publication number | Publication date |
|---|---|
| CN1263243C (en) | 2006-07-05 |
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Granted publication date: 20060705 Termination date: 20131115 |