CN101931932A - Switching method and system of circuit domain business as well as switching test method and system - Google Patents
Switching method and system of circuit domain business as well as switching test method and system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/06—Testing, supervising or monitoring using simulated traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
- H04W36/00224—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB]
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Abstract
The invention discloses a switching method of circuit domain business, comprising the following steps of sending a business request message to an evolution base station eNode-B of a long-term evolution (LTE) system by a terminal, and forwarding to an MME (Mobile Management Entity) after receiving the business request message by the eNode-B, wherein carrying business is in a type of the circuit domain business; after receiving the business request message, sending a switching indication message to the eNode-B by the MME, and sending a mobile command message from E-UTRA (Evolved Universal Terrestrial Radio Access) to the terminal by the eNode-B; sending a hang-up message to the eNode-B after receiving the command message by the terminal, and sending a channel request message to a base station of a target GSM (Global System for Mobile Communication) district to finish switching. The invention also provides a switching realization system of the circuit domain business as well as a method, a system and a system simulator for switching test, which can realize switching and switching test of the circuit domain business.
Description
Technical field
The present invention relates to the communications field, especially a kind of circuit domain business switches to changing method, system and the corresponding handoff testing method and the system of the method for GSM from LTE.
Background technology
2G (second generation mobile communication system) GSM (Global System for Mobile Communications, global system for mobile communications) network has developed for many years in China, there is a good national GSM network that covers in China Mobile, the construction of current GSM network is quite ripe, has good spreadability and stability, the voice service of high-quality can be provided, and still can be good speech business bearer network future, and this is very valuable resource.On the other hand, along with the continuous development of wireless communication technique, LTE (Long Term Evolution, Long Term Evolution) network is with its higher spectrum efficiency and can provide the business of abundanter personalization to obtain approval widely.With respect to the 2G system, the LTE network has greatly improved in the support to the data business, and is all more perfect for the support of mobile Web access, audio stream, video flowing and IP multimedia call etc.So the advantage of how giving full play to separately when 2G and LTE coexistence of systems has very important significance.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of circuit domain business changing method, system and carries out method, system and the system simulator of switch test, to realize the switching and the switch test of circuit domain business.
For solving the problems of the technologies described above, the invention provides a kind of circuit domain business changing method, this method comprises:
Terminal sends the evolution base station eNode-B of business request information to Long Term Evolution LTE system, and wherein carrying type of service is circuit domain business, and described eNode-B is transmitted to Mobility Management Entity MME after receiving described business request information;
After described MME receives described business request information, send switch indicating information to eNode-B, eNode-B sends from E-UTRA movement directive message to described terminal;
Terminal receives behind the described command messages and sends message on hold to eNode-B, and to the base station channel request message of target GSM sub-district, finishes switching.
Further, after described MME receives described business request information, when judging that according to the circuit domain business request of wherein carrying needs switch to the GSM network, send switch indicating information to described eNode-B again.
Further, the described target GSM cell information that from E-UTRA movement directive message, carries.
For solving the problems of the technologies described above, the present invention also provides a kind of circuit domain business to switch the realization system, this system comprises terminal UE, the evolution base station eNode-B of Long Term Evolution LTE network and the base station BS of GSM network that connects by network, and the Mobility Management Entity MME that is connected with eNode-B, wherein:
Described UE is used for sending business request information to described eNode-B, wherein carrying type of service is circuit domain business, be used to also to receive that described eNode-B sends from E-UTRA movement directive message, and send message on hold from E-UTRA movement directive message to described eNode-B according to described, to target GSM cell base station BS channel request message;
Described eNode-B is used to receive the business request information of described UE transmission and be transmitted to described MME, also is used to receive the switch indicating information of MME transmission to send from E-UTRA movement directive message to described UE;
Described MME is used to receive the business request information that described eNode-B sends, and also is used for sending switch indicating information according to described business request information to described eNode-B;
Described BS is used for the channel request message that receiving terminal sends.
Further, the described target GSM cell information that from E-UTRA movement directive message, carries.
For solving the problems of the technologies described above, the present invention also provides a kind of circuit domain business handoff testing method, is used to test dut terminal and whether can successfully circuit domain business be switched to the GSM network from the LTE system, and this method comprises:
(a) dut terminal sends the uplink information message transfer to system simulator SS, wherein carries the circuit domain business request;
(b) described SS sends from E-UTRA movement directive message to described dut terminal;
(c) after dut terminal receives described E-UTRA movement directive message, send message on hold to described SS;
(d) judge whether channel request message of dut terminal, dut terminal otherwise is thought test crash by switch test as described in thinking as transmission.
Further, in the step (d), judge by described SS whether dut terminal sends described channel request message to described SS.
Further, the simulation of SS described in the step (a) to (c) LTE network, simulation GSM network when SS described in the step (d) receives the channel request message of dut terminal transmission.
For solving the problems of the technologies described above, the present invention also provides a kind of circuit domain business change detection system, this system comprises interconnective dut terminal and system simulator SS, described SS comprises interconnective Long Term Evolution LTE network analog device, global system for mobile communications GSM network analog device and test record device, wherein:
Described LTE network analog device, be used to simulate the LTE network, comprise receiving the uplink information message transfer that described dut terminal sends, and send from E-UTRA movement directive message, the information of wherein carrying objective network to described dut terminal;
Described GSM network analog device, be used to simulate the GSM network, comprise receiving the channel request message that dut terminal sends, and provide circuit domain business alternately, also be used for notice test record device after the channel request message that receives the dut terminal transmission with dut terminal;
Described test record device is used for the switch test success according to the Notification Record dut terminal of described GSM network analog device, otherwise the failure of record switch test;
Described dut terminal is used for sending described uplink information message transfer to described LTE network analog device, wherein carries the circuit domain business request; Also be used to receive described that described LTE network analog device sends, and send described message on hold and send described channel request message to described GSM network analog device from E-UTRA movement directive message to described GSM network analog according to described from E-UTRA movement directive message.
For solving the problems of the technologies described above, the present invention also provides a kind of system simulator, and described system simulator is used for the circuit domain business change detection, comprises interconnective LTE network analog device, GSM network analog device and test record device, wherein:
Described LTE network analog device is used to simulate the LTE network, comprises receiving the uplink information message transfer that described dut terminal sends, and sends from E-UTRA movement directive message, the information of wherein carrying Target cell to described dut terminal;
Described GSM network analog device, be used to simulate the GSM network, comprise receiving the channel request message that dut terminal sends, and provide circuit domain business alternately, also be used for notice test record device after the channel request message that receives the dut terminal transmission with dut terminal;
Described test record device is used for the switch test success according to the Notification Record dut terminal of described base station analogue means, otherwise the failure of record switch test.
The inventive method and system can realize the switching of circuit domain business smoothly effectively, thereby effectively utilize the circuit domain resource of existing GSM network, when making 2G and LTE coexistence of systems and give full play to separately advantage.The present invention not only provides the specific implementation method of circuit domain business changing method and system in addition, and method of testing, system that circuit domain business switches and the system simulator that is used for switch test also are provided, and prior art has been carried out effectively replenishing and perfect.
Description of drawings
Fig. 1 is the schematic diagram of circuit domain business changing method of the present invention.
Fig. 2 is circuit domain business handoff procedure of the present invention and the Signalling exchange schematic diagram of realizing circuit domain business.
Fig. 3 is the schematic diagram of circuit domain business handoff testing method of the present invention.
Fig. 4 is circuit domain business switch test of the present invention and the Signalling exchange schematic diagram of realizing circuit domain business.
Embodiment
The present invention has provided a kind of LTE system and has been under RRC_CONNECTED (RRC connection) state in terminal, and terminal begins to initiate the CS speech business switches to the GSM network thereupon from the LTE system method, and this method comprises:
Step 101: terminal sends the evolution base station (eNode-B) of business request information to the LTE system, and wherein carrying type of service is circuit domain business, and eNode-B transmits described business request information to Mobility Management Entity MME after receiving the uplink information message transfer;
Judgement need switch to the GSM sub-district after step 102:MME received described business request information, sent switch indicating information to eNode-B, and eNode-B sends from E-UTRA movement directive message to terminal, wherein carries target GSM cell information;
Step 103: terminal receives behind the described command messages and sends message on hold to eNode-B, and to the base station channel request message of target GSM sub-district, finishes and switch beginning CS calling procedure.
As shown in Figure 2, speech business of the present invention switches to GSM and realizes that the concrete signaling process of circuit domain business is as follows from LTE:
Step 201: terminal sends the evolution base station (eNode-B) of ULInformationTransfer (uplink information transmission) message to the E-UTRA sub-district, the information element " dedicatedInformationType (specific information type) " that is provided with in the message is " dedicatedInfoNAS (a NAS specific messages) ", wherein comprise SERVICE REQUEST (service request), wherein type of service is the circuit domain speech business, and the base station sends SERVICE REQUEST to Mobility Management Entity MME;
Step 202:MME judges that need switch to the GSM sub-district sends CS FALLBACK INDICATOR (switching indication) to the base station, eNode-B sends a MobilityFromEUTRACommand (from the E-UTRA movement directive) message to terminal, requires to switch to the GSM sub-district;
Step 203: after terminal receives MobilityFromEUTRACommand message, send the eNode-B of SUSPEND (hang-up) message to the E-UTRA sub-district at place;
Step 204: terminal sends after the SUSPEND message, and the base station BS to target GSM sub-district sends CHANNEL REQUEST (channel request), thereby beginning CS calling procedure is seen following steps 205-214;
Step 205:GSM sub-district BS controls the signaling interface-free resources to terminal distribution after receiving CHANNEL REQUEST, sends IMMEDIATE ASSIGNMENT COMMAND (immediate assignment order) message informing terminal then;
Step 206: after terminal is received IMMEDIATE ASSIGNMENT COMMAND message, send CM SERVICE REQUEST (CM service request) to target GSM sub-district BS, content is, sets up carrying between core net and the BS with the notice core net;
Step 207GSM sub-district BS sends CM SERVICE ACCEPTED (CM is professional to be accepted) and gives terminal;
Step 208: terminal is received CM SERVICE ACCEPTED, sends SETUP (connect and set up) message to BS;
Step 209:GSM sub-district BS sends CALL PROCEEDING (in the call treatment) message and gives terminal;
Step 210:GSM sub-district BS sends ASSIGNMENT COMMAND (assigning order) message and gives terminal, distributes to the data service resource of eating dishes without rice or wine of terminal with notice;
Step 211: terminal sends ASSIGNMENT COMPLETE (appointment is finished) message and gives GSM sub-district BS after the data service resource of eating dishes without rice or wine that GSM sub-district BS distributes inserts;
Step 212: network side GSM sub-district BS finishes with the foundation that is connected of terminal called and sends ALERTING (ring) message later on to terminal;
Step 213: terminal called is connected back GSM sub-district BS and is sent CONNECT (connection) message to terminal;
Step 214: terminal replys CONNECTACKNOWLEDGE (connect and confirm) message, conversation beginning for GSM sub-district BS after receiving CONNECT message.
In order to realize above changing method, the present invention also provides a kind of switching to realize system, this system comprises terminal UE, the evolution base station eNode-B of Long Term Evolution LTE network and the base station BS of GSM network that connects by network, and the Mobility Management Entity MME that is connected with eNode-B, wherein:
UE is used for sending business request information to described eNode-B, and wherein carrying type of service is circuit domain business; Be used to also to receive that described eNode-B sends from E-UTRA movement directive message, and send message on hold from E-UTRA movement directive message to described eNode-B, to target GSM cell base station BS channel request message according to described;
Described eNode-B is used to receive the business request information that described UE sends and is transmitted to MME, also is used to receive switch indicating information that MME sends and sends from E-UTRA movement directive message to described UE, wherein carries target GSM cell information;
Described MME is used to receive the business request information that eNode-B sends, and also is used for sending switch indicating information according to business request information to eNode-B;
Described BS is used for the channel request message that receiving terminal sends, and provides circuit domain business alternately with UE.
The present invention gives a kind of testing mobile terminal and whether can be successfully speech business be switched to the method for GSM from the LTE system, and this method mainly comprises:
Step 301: dut terminal sends the LTE system cell of uplink information message transfer to system simulator (System Simulator is called for short SS) simulation, wherein carries circuit domain business request SERVICE REQUEST;
Step 302:SS send one from E-UTRA movement directive message to terminal, require to switch to the GSM sub-district;
Step 303: after dut terminal receives E-UTRA movement directive message, send the LTE system cell of message on hold to the SS simulation;
Step 304:SS judges whether to receive the CHANNEL REQUEST message that dut terminal sends, if received, thinks that then dut terminal passes through switch test, tests successfully, otherwise thinks test crash.
When specifically carrying out switch test, whether the channel request message, can also check whether send this message or detect judgement voluntarily by dut terminal by tester except judge dut terminal by SS.
As shown in Figure 4, be handoff testing method of the present invention and the signaling process figure that realizes circuit domain business, may further comprise the steps:
Step 401: dut terminal sends the E-UTRA sub-district of uplink information message transfer to SS, the information element " dedicatedInformationType (specific information type) " that is provided with in the message is " dedicatedInfoNAS (a NAS specific messages) ", wherein comprises circuit domain business request SERVICE REQUEST;
Step 402:SS sends a MobilityFromEUTRACommand (from the E-UTRA movement directive) message to dut terminal, requires to switch to the GSM sub-district;
Step 403: after dut terminal receives MobilityFromEUTRACommand message, send SUSPEND message to the E-UTRA sub-district that sends to SS;
Step 404:SS judges whether to receive CHANNEL REQUEST message, if receive then judge that terminal possesses speech business is switched to the ability of GSM from LTE, otherwise does not possess.
Step 405:SS controls the signaling interface-free resources to terminal distribution after receiving CHANNEL REQUEST, sends IMMEDIATE ASSIGNMENT COMMAND message informing dut terminal then;
Step 406: after dut terminal is received IMMEDIATE ASSIGNMENT COMMAND message, send radio frames SABM FRAME to target GSM sub-district, content is CM SERVICE
REQUEST sets up carrying between core net and the BSC with the notice core net;
Step 407:SS sends CM SERVICE ACCEPTED to dut terminal;
Step 408: dut terminal is received CM SERVICE ACCEPTED, sends the SETUP Target cell;
Step 409:SS sends CALL PROCEEDING to dut terminal;
Step 410:SS sends ASSIGNMENT COMMAND to terminal, distributes to its data service resource of eating dishes without rice or wine with notice;
Step 411: terminal sends the GSM sub-district of ASSIGNMENT COMPLETE to the SS simulation after the data service resource of eating dishes without rice or wine that SS distributes inserts;
Step 412: network side SS finishes with the foundation that is connected of terminal called and sends ALERTING message later on to terminal;
Step 413: terminal called is connected back SS and is sent CONNECT message to terminal;
Step 414: dut terminal is replied CONNECT ACKNOWLEDGE message to the GSM sub-district of SS simulation after receiving CONNECT message, the conversation beginning.
For realizing above method, the present invention also provides a kind of change detection system, and this system comprises interconnective dut terminal and system simulator SS, and system simulator SS comprises interconnective LTE network analog device, GSM network analog device and test record device, wherein
Described LTE network analog device is used to simulate the LTE network and (not only comprises the base station, the function that also comprises core net), comprise receiving the uplink information message transfer that described dut terminal sends, and send from E-UTRA movement directive message, the information of wherein carrying Target cell to described dut terminal;
Described GSM network analog device, be used to simulate the GSM network, comprise receiving the channel request message that dut terminal sends, and provide circuit domain business alternately, also be used for notice test record device after the channel request message that receives the dut terminal transmission with dut terminal;
Described test record device is used for the switch test success according to the Notification Record dut terminal of described base station analogue means, otherwise the failure of record switch test;
Described dut terminal is used for sending described uplink information message transfer to described evolution base station analogue means, wherein carries the circuit domain business request; Also be used to receive described that described evolution base station analogue means sends from E-UTRA movement directive message, and send described message on hold and send described channel request message to described evolution base station analogue means from E-UTRA movement directive message, and finish described circuit domain business alternately with described base station analogue means to described base station analogue means according to described.
The present invention also provides above system simulator, is used to carry out the circuit domain business switch test, and its modular construction as mentioned above.
In sum, the inventive method and system can realize the switching of circuit domain business smoothly effectively, thereby effectively utilize the circuit domain resource of existing GSM network, when making 2G and LTE coexistence of systems and give full play to separately advantage.The present invention not only provides the specific implementation method of circuit domain business changing method and system in addition, and method of testing, system that circuit domain business switches and the system simulator that is used for switch test also are provided, and prior art has been carried out effectively replenishing and perfect.
Claims (10)
1. a circuit domain business changing method is characterized in that, this method comprises:
Terminal sends the evolution base station eNode-B of business request information to Long Term Evolution LTE system, and wherein carrying type of service is circuit domain business, and described eNode-B is transmitted to Mobility Management Entity MME after receiving described business request information;
After described MME receives described business request information, send switch indicating information to described eNode-B, described eNode-B receives the back and sends from E-UTRA movement directive message to described terminal;
Terminal receives behind the described command messages and sends message on hold to described eNode-B, and to the base station channel request message of target GSM sub-district, finishes switching.
2. the method for claim 1 is characterized in that: after described MME receives described business request information, when judging that according to the circuit domain business request of wherein carrying needs switch to the GSM network, send switch indicating information to described eNode-B again.
3. as each described method in the claim 1 to 2, it is characterized in that: the described target GSM cell information that from E-UTRA movement directive message, carries.
4. a circuit domain business switches the realization system, it is characterized in that, this system comprises terminal UE, the evolution base station eNode-B of Long Term Evolution LTE network and the base station BS of GSM network that connects by network, and the Mobility Management Entity MME that is connected with eNode-B, wherein:
Described UE is used for sending business request information to described eNode-B, wherein carrying type of service is circuit domain business, be used to also to receive that described eNode-B sends from E-UTRA movement directive message, and send message on hold from E-UTRA movement directive message to described eNode-B according to described, to target GSM cell base station BS channel request message;
Described eNode-B is used to receive the business request information of described UE transmission and be transmitted to described MME, also is used to receive the switch indicating information of MME transmission to send from E-UTRA movement directive message to described UE;
Described MME is used to receive the business request information that described eNode-B sends, and also is used for sending switch indicating information according to described business request information to described eNode-B;
Described BS is used for the channel request message that receiving terminal sends.
5. system as claimed in claim 4 is characterized in that: the described target GSM cell information that carries from E-UTRA movement directive message.
6. a circuit domain business handoff testing method is characterized in that, whether this method is used to test dut terminal can successfully switch to the GSM network with circuit domain business from the LTE system, comprising:
(a) dut terminal sends the uplink information message transfer to system simulator SS, wherein carries the circuit domain business request;
(b) described SS sends from E-UTRA movement directive message to described dut terminal;
(c) after dut terminal receives described E-UTRA movement directive message, send message on hold to described SS;
(d) judge whether channel request message of dut terminal, dut terminal otherwise is thought test crash by switch test as described in thinking as transmission.
7. method of testing as claimed in claim 6 is characterized in that: in the step (d), judge by described SS whether dut terminal sends described channel request message to described SS.
8. method of testing as claimed in claim 7 is characterized in that: the simulation of SS described in the step (a) to (c) LTE network, simulation GSM network when SS described in the step (d) receives the channel request message of dut terminal transmission.
9. circuit domain business change detection system, it is characterized in that, this system comprises interconnective dut terminal and system simulator SS, described SS comprises interconnective Long Term Evolution LTE network analog device, global system for mobile communications GSM network analog device and test record device, wherein:
Described LTE network analog device, be used to simulate the LTE network, comprise receiving the uplink information message transfer that described dut terminal sends, and send from E-UTRA movement directive message, the information of wherein carrying objective network to described dut terminal;
Described GSM network analog device, be used to simulate the GSM network, comprise receiving the channel request message that dut terminal sends, and provide circuit domain business alternately, also be used for notice test record device after the channel request message that receives the dut terminal transmission with dut terminal;
Described test record device is used for the switch test success according to the Notification Record dut terminal of described GSM network analog device, otherwise the failure of record switch test;
Described dut terminal is used for sending described uplink information message transfer to described LTE network analog device, wherein carries the circuit domain business request; Also be used to receive described that described LTE network analog device sends, and send described message on hold and send described channel request message to described GSM network analog device from E-UTRA movement directive message to described GSM network analog according to described from E-UTRA movement directive message.
10. a system simulator is characterized in that, described system simulator is used for the circuit domain business change detection, comprises interconnective LTE network analog device, GSM network analog device and test record device, wherein:
Described LTE network analog device is used to simulate the LTE network, comprises receiving the uplink information message transfer that described dut terminal sends, and sends from E-UTRA movement directive message, the information of wherein carrying Target cell to described dut terminal;
Described GSM network analog device, be used to simulate the GSM network, comprise receiving the channel request message that dut terminal sends, and provide circuit domain business alternately, also be used for notice test record device after the channel request message that receives the dut terminal transmission with dut terminal;
Described test record device is used for the switch test success according to the Notification Record dut terminal of described base station analogue means, otherwise the failure of record switch test.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101523053A CN101931932A (en) | 2009-06-22 | 2009-06-22 | Switching method and system of circuit domain business as well as switching test method and system |
| PCT/CN2009/075617 WO2010148613A1 (en) | 2009-06-22 | 2009-12-16 | Method and system for circuit domain service handoff, testing method and system, simulator |
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| CN2009101523053A CN101931932A (en) | 2009-06-22 | 2009-06-22 | Switching method and system of circuit domain business as well as switching test method and system |
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| WO (1) | WO2010148613A1 (en) |
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| CN102625363A (en) * | 2011-12-09 | 2012-08-01 | 中兴通讯股份有限公司 | Mobile evolved packet network system |
| CN102625363B (en) * | 2011-12-09 | 2017-08-25 | 南京中兴软件有限责任公司 | A kind of mobile grouping field network system |
| CN105916160A (en) * | 2016-06-02 | 2016-08-31 | 乐视控股（北京）有限公司 | Method of simulating network switching and apparatus thereof |
| CN108184253A (en) * | 2017-12-01 | 2018-06-19 | 广东欧珀移动通信有限公司 | A kind of detection method and its device, storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010148613A1 (en) | 2010-12-29 |
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