CN103813301A - PS (Packet Switch) service notification method and device - Google Patents
PS (Packet Switch) service notification method and device Download PDFInfo
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- CN103813301A CN103813301A CN201410081092.0A CN201410081092A CN103813301A CN 103813301 A CN103813301 A CN 103813301A CN 201410081092 A CN201410081092 A CN 201410081092A CN 103813301 A CN103813301 A CN 103813301A
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Abstract
The invention provides a PS (Packet Switch) service notification method and device. The method comprises the following steps: gateway equipment receives registration information transmitted by first network element equipment in a target network, wherein the registration information comprises the terminal identity of a mobile terminal and the address information of the first network element equipment; the gateway equipment transmits the registration information to second network element equipment in a source network to allow the second network element equipment to forward a PS service request to the mobile terminal through the first network element equipment. According to the embodiment, the registration information transmitted by the first network element equipment is received through the gateway equipment, and the second network element equipment is used for acquiring the registration information through the gateway equipment and transmitting the received PS service request to the mobile terminal through the first network element equipment according to the registration information, thereby allowing the mobile terminal falling back to the target network for processing CS (Circuit Switch) service to sense the PS service of the source network.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of PS service announcements method and device.
Background technology
Along with the development of mobile communication technology, 3G (Third Generation) Moblie technology (3rd-generation, be called for short 3G) will be to Long Term Evolution (Long Term Evolution, be called for short LTE) development, LTE network, as next generation mobile communication network, can provide data service more at a high speed for user.
And LTE network is not supported circuit domain business in the early stage of development, therefore when residing in terminal in LTE network and having the CS business such as voice to initiate, need to be according to circuit domain dropping technology (CircuitSwitched Fallback, be called for short CSFB) fall back to 3G or 2G network carries out the processing of CS business, until CS Business Processing just can come back to LTE network after completing.
In prior art, if 3G or 2G network after switching are not supported PS business, when terminal is in the time that 3G or 2G network carry out CS Business Processing, the PS business of initiating in LTE network will be interrupted or hang up so, the PS business that now terminal cannot perception LTE network.
Summary of the invention
The invention provides a kind of PS service announcements method and device, so that fall back to the PS business of the mobile terminal perception source network of objective network processing CS business.
One aspect of the present invention provides a kind of PS service announcements method, comprising:
The log-on message that the first network element device in gateway device receiving target network sends, described log-on message comprises the address information of terminal iidentification and described first network element device of mobile terminal, described log-on message be described mobile terminal from source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Described log-on message is sent to the second network element device in described source network by described gateway device, if receive the PS service request of initiating to described mobile terminal in described source network for described the second network element device, obtain the address information of corresponding described the first network element device according to the terminal iidentification of described mobile terminal, and forward described PS service request by described the first network element device to described mobile terminal.
Another aspect of the present invention provides a kind of PS service announcements method, comprising:
The first network element device in objective network sends log-on message to gateway device, described log-on message comprises the address information of terminal iidentification and described first network element device of mobile terminal, described log-on message be described mobile terminal from source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Described the first network element device receives the second network element device PS service request that send, that initiate to described mobile terminal in described source network; Described the second network element device receives after described PS service request in described source network, sends described PS service request according to the address information of described the first network element device corresponding with the terminal iidentification of described mobile terminal; The address information of the terminal iidentification of described mobile terminal and described the first network element device is that described the second network element device obtains from described gateway device;
Described the first network element device forwards described PS service request to described mobile terminal.
Another aspect of the present invention provides a kind of PS service announcements method, comprising:
The second network element device in source network receives the log-on message that gateway device sends, described log-on message comprises the address information of the first network element device in terminal iidentification and the objective network of mobile terminal, described log-on message be described mobile terminal from described source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Described the second network element device receives after the PS service request of initiating to described mobile terminal in described source network, obtain the address information of corresponding described the first network element device according to the terminal iidentification of described mobile terminal, and forward described PS service request by described the first network element device to described mobile terminal.
Another aspect of the present invention provides a kind of gateway device, comprising:
Receiver module, the log-on message sending for the first network element device of receiving target network, described log-on message comprises the address information of terminal iidentification and described first network element device of mobile terminal, described log-on message be described mobile terminal from source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Sending module, for described log-on message being sent to the second network element device of described source network, if receive the PS service request of initiating to described mobile terminal in described source network for described the second network element device, obtain the address information of corresponding described the first network element device according to the terminal iidentification of described mobile terminal, and forward described PS service request by described the first network element device to described mobile terminal.
Another aspect of the present invention provides a kind of the first network element device, comprising:
Sending module, for sending log-on message to gateway device, described log-on message comprises the address information of terminal iidentification and described first network element device of mobile terminal, described log-on message be described mobile terminal from source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Receiver module, PS service request that the second network element device of described source network sends for receiving, that initiate to described mobile terminal; Described the second network element device receives after described PS service request in described source network, sends described PS service request according to the address information of described the first network element device corresponding with the terminal iidentification of described mobile terminal; The address information of the terminal iidentification of described mobile terminal and described the first network element device is that described the second network element device obtains from described gateway device;
Forwarding module, for forwarding described PS service request to described mobile terminal.
Another aspect of the present invention provides a kind of the second network element device, comprising:
Receiver module, the log-on message sending for receiving gateway device, described log-on message comprises the address information of the first network element device in terminal iidentification and the objective network of mobile terminal, described log-on message be described mobile terminal from described source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Acquisition module, for receiving at described source network after the PS service request of initiating to described mobile terminal, obtain the address information of corresponding described the first network element device according to the terminal iidentification of described mobile terminal, and forward described PS service request by described the first network element device to described mobile terminal.
Another aspect of the present invention provides a kind of PS service announcements system, the gateway device described in comprising, the first described network element device and the second described network element device.
PS service announcements method provided by the invention and device, receive by gateway device the log-on message that the first network element device sends, make the second network element device obtain described log-on message by gateway device, and according to log-on message, the PS service request receiving is sent to mobile terminal by the first network element device, so that fall back to the PS business of the mobile terminal perception source network of objective network processing CS business.
Accompanying drawing explanation
The PS service announcements method flow diagram that Fig. 1 provides for the embodiment of the present invention one;
The PS service announcements method flow diagram that Fig. 2 provides for the embodiment of the present invention three;
The PS service announcements method flow diagram that Fig. 3 provides for the embodiment of the present invention four;
The PS service announcements method signaling diagram that Fig. 4 provides for the embodiment of the present invention five;
The gateway device structure chart that Fig. 5 provides for the embodiment of the present invention six;
The first network element device structure chart that Fig. 6 provides for the embodiment of the present invention seven;
The second network element device structure chart that Fig. 7 provides for the embodiment of the present invention eight;
The PS service announcements system construction drawing that Fig. 8 provides for the embodiment of the present invention nine.
Embodiment
Embodiment mono-
The PS service announcements method flow diagram that Fig. 1 provides for the embodiment of the present invention one.The embodiment of the present invention is applicable to reside in terminal in source network and is switched to objective network and carries out CS Business Processing, and objective network after switching is not while supporting PS business, and source network is to the method for objective network notice PS business.The PS service announcements method step that the embodiment of the present invention provides is as follows:
The log-on message that the first network element device in step S101, gateway device receiving target network sends, described log-on message comprises the address information of terminal iidentification and described first network element device of mobile terminal, described log-on message be described mobile terminal from source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Be arranged in the mobile terminal of the source network of not supporting circuit domain business CS business, in the time that needs are processed CS business, to be switched to objective network from source network, base station equipment in objective network identifies described mobile terminal and belongs to falling terminal, described mobile terminal is registered in the first network element device in objective network by base station equipment, and form log-on message in the first network element device, described log-on message comprises the address information of terminal iidentification and described first network element device of described mobile terminal, the terminal iidentification of mobile terminal is specially mobile terminal ID, the address information of the first network element device is specially the IP address of the first network element device.After mobile terminal has been registered, the first network element device sends log-on message to gateway device, and gateway device receives after the log-on message of the first network element device transmission in objective network, and described log-on message is stored.
Described log-on message is sent to the second network element device in described source network by step S102, described gateway device, if receive the PS service request of initiating to described mobile terminal in described source network for described the second network element device, obtain the address information of corresponding described the first network element device according to the terminal iidentification of described mobile terminal, and forward described PS service request by described the first network element device to described mobile terminal.
When detecting mobile terminal, the second network element device in source network is switched to from source network one section of Preset Time of objective network, the second network element device sends request information to gateway device, to obtain the log-on message being stored in gateway device, described Preset Time can guarantee that gateway device receives the log-on message that the first network element device in objective network sends, and the process of storing log-on message completes.Gateway device sends to the second network element device in source network according to solicited message by described log-on message; In the time that the second network element device receives the PS service request of initiating to described mobile terminal, from described log-on message, obtain the address information of corresponding described the first network element device according to the terminal iidentification of the mobile terminal retaining in the second network element device, and send described PS service request to described the first network element device, so that described PS service request is transmitted to described mobile terminal by described the first network element device.
The embodiment of the present invention receives by gateway device the log-on message that the first network element device sends, make the second network element device obtain described log-on message by gateway device, and according to log-on message, the PS service request receiving is sent to mobile terminal by the first network element device, so that fall back to the PS business of the mobile terminal perception source network of objective network processing CS business.
Embodiment bis-
On the basis of embodiment mono-, described objective network is 2G or 3G network, and described source network is Long Term Evolution LTE network.Described the first network element device is moving exchanging center MSC, and described the second network element device is network node MME.
Because Long Term Evolution LTE network is not supported circuit domain business in the early stage of development, so mobile terminal will be switched to 2G or 3G network executive circuit territory business, so mobile terminal, in the time of processing circuit domain service, will be switched to objective network 2G or 3G network from source network Long Term Evolution LTE network.
So mobile terminal is registered in network node MME in the time of LTE network, be switched in 2G or 3G network, to be registered in moving exchanging center MSC, described first network element device corresponding with above-described embodiment is moving exchanging center MSC, and described the second network element device is network node MME.
The embodiment of the present invention is by the restriction to source network, objective network and network element device, while making PS service announcements method that the embodiment of the present invention provides can specifically be applied in mobile terminal to be switched to 2G or 3G network from LTE network, LTE network is to the mobile terminal notice PS business in 2G or 3G network, so that fall back to the PS business of the terminal perception LTE network of 2G or 3G network processing CS business.
Embodiment tri-
The PS service announcements method flow that Fig. 2 provides for the embodiment of the present invention three.The PS service announcements method concrete steps that the embodiment of the present invention provides are as follows:
The first network element device in step S201, objective network sends log-on message to gateway device, described log-on message comprises the address information of terminal iidentification and described first network element device of mobile terminal, described log-on message be described mobile terminal from source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Be arranged in the mobile terminal of the source network of not supporting circuit domain business CS business, in the time that needs are processed CS business, to be switched to objective network from source network, base station equipment in objective network identifies described mobile terminal and belongs to falling terminal, described mobile terminal is registered in the first network element device in objective network by base station equipment, and form log-on message in the first network element device, described log-on message comprises the address information of terminal iidentification and described first network element device of mobile terminal, the terminal iidentification of mobile terminal is specially mobile terminal ID, the address information of the first network element device is specially the IP address of the first network element device.After mobile terminal has been registered, the first network element device sends log-on message to gateway device, and gateway device receives after the log-on message of the first network element device transmission in objective network, and described log-on message is stored.
Step S202, described the first network element device receive the second network element device PS service request that send, that initiate to described mobile terminal in described source network; Described the second network element device receives after described PS service request in described source network, sends described PS service request according to the address information of described the first network element device corresponding with the terminal iidentification of described mobile terminal; The address information of the terminal iidentification of described mobile terminal and described the first network element device is that described the second network element device obtains from described gateway device;
When detecting mobile terminal, the second network element device in source network is switched to from source network one section of Preset Time of objective network, the second network element device in source network sends request information to obtain the log-on message of gateway device storage to gateway device, described Preset Time can guarantee that gateway device receives the log-on message that the first network element device in objective network sends, and the process of storing log-on message completes.Gateway device sends to the second network element device in source network according to solicited message by described log-on message, and described log-on message comprises the address information of terminal iidentification and described first network element device of mobile terminal; In the time that the second network element device receives the PS service request of initiating to described mobile terminal, the second network element device obtains the address information of corresponding described the first network element device from described log-on message according to the terminal iidentification of the mobile terminal retaining in the second network element device, and sends described PS service request to described the first network element device corresponding with the address information of described the first network element device.
Step S203, described the first network element device forward described PS service request to described mobile terminal.
Described PS service request is transmitted to described mobile terminal by described the first network element device.
On the basis of the embodiment of the present invention, described objective network is 2G or 3G network, and described source network is Long Term Evolution LTE network.Described the first network element device is moving exchanging center MSC, and described the second network element device is network node MME.
Mobile terminal is specifically switched to 2G or 3G network processing CS business from LTE network, in the time receiving the PS service request of initiating to mobile terminal in LTE network, the network node MME in LTE network adopts the PS service announcements method that the embodiment of the present invention provides to initiate PS service request by the moving exchanging center MSC in 2G or 3G network to described mobile terminal.The embodiment of the present invention sends log-on message by the first network element device to gateway device, make the second network element device obtain described log-on message by gateway device, and according to log-on message, the PS service request receiving is sent to mobile terminal by the first network element device, so that fall back to the PS business of the mobile terminal perception source network of objective network processing CS business; And PS service announcements method that the embodiment of the present invention provides is specifically applied in from LTE network be switched to the mobile terminal perception PS business procedure of 2G or 3G network.
Embodiment tetra-
The PS service announcements method flow diagram that Fig. 3 provides for the embodiment of the present invention four.The PS service announcements method concrete steps that the embodiment of the present invention provides are as follows:
The second network element device in step S301, source network receives the log-on message that gateway device sends, described log-on message comprises the address information of the first network element device in terminal iidentification and the objective network of mobile terminal, described log-on message be described mobile terminal from described source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Mobile terminal is switched to described objective network from described source network, and be registered in the first network element device in objective network, when network by mobile terminal registration, in the first network element device, form log-on message, and send described log-on message to gateway device, described log-on message comprises the address information of the first network element device in terminal iidentification and the objective network of mobile terminal, the terminal iidentification of mobile terminal is specially mobile terminal ID, and the address information of the first network element device is specially the IP address of the first network element device; Gateway device receives after the log-on message of the first network element device transmission in objective network, stores described log-on message.When detecting mobile terminal, the second network element device in source network is switched to from source network one section of Preset Time of objective network, the second network element device sends request information to gateway device, to obtain the log-on message being stored in gateway device, described Preset Time can guarantee that gateway device receives the log-on message that the first network element device in objective network sends, and the process of storing log-on message completes.Gateway device sends to the second network element device in source network according to solicited message by described log-on message.
Step S302, described the second network element device receive after the PS service request of initiating to described mobile terminal in described source network, obtain the address information of corresponding described the first network element device according to the terminal iidentification of described mobile terminal, and forward described PS service request by described the first network element device to described mobile terminal.
In the time that the second network element device receives the PS service request of initiating to described mobile terminal, from described log-on message, obtain the address information of corresponding described the first network element device according to the terminal iidentification of the mobile terminal retaining in the second network element device, and send described PS service request to described the first network element device, so that described PS service request is transmitted to described mobile terminal by described the first network element device.
On the basis of the embodiment of the present invention, described objective network is 2G or 3G network, and described source network is Long Term Evolution LTE network.Described the first network element device is moving exchanging center MSC, and described the second network element device is network node MME.
Mobile terminal is specifically switched to 2G or 3G network processing CS business from LTE network, in the time receiving the PS service request of initiating to mobile terminal in LTE network, the network node MME in LTE network adopts the PS service announcements method that the embodiment of the present invention provides to initiate PS service request by the moving exchanging center MSC in 2G or 3G network to described mobile terminal.
The embodiment of the present invention receives by the second network element device the log-on message that gateway device sends, and according to log-on message, the PS service request receiving is sent to mobile terminal by the first network element device, so that fall back to the PS business of the mobile terminal perception source network of objective network processing CS business; And PS service announcements method that the embodiment of the present invention provides is specifically applied in from LTE network be switched to the mobile terminal perception PS business procedure of 2G or 3G network.
Embodiment five
The PS service announcements method signaling diagram that Fig. 4 provides for the embodiment of the present invention five.The PS service announcements method concrete steps that the embodiment of the present invention provides are as follows:
Step S401, MME receive CS service request;
MME in LTE network receives the CS service request that mails to mobile terminal.
Step S402, MME send and fall indication after rise to LTE network base station eNodeB;
Because LTE network is not supported CS business, MME sends and falls indication after rise to UE, and indication UE falls back to 2G or 3G network carries out CS Business Processing.
Step S403, eNodeB send and fall indication after rise to terminal UE;
MME is sent and falls indication after rise to terminal UE by eNodeB.
Step S404, UE select target network;
UE receives and falls indication after rise, selects the objective network switching.
Step S405, UE send CS territory log-on message to GSM network base station GTRUN;
UE sends CS territory log-on message to the base station GTRUN in objective network GSM network, and request registration is in GSM network, and base station GTRUN identifies described UE and belongs to falling terminal.
Step S406, GTRUN send CS territory log-on message to MSC;
Base station GTRUN forwards to MSC the CS territory log-on message that UE sends, and the described UE identifying is belonged to falling end message simultaneously and sends to MSC.
Step S407, MSC carry out register flow path;
MSC carries out register flow path, in registration process, generates and belongs to log-on message corresponding to UE that falls terminal after rise.
Step S408, MSC return to the response of succeeding in registration of CS territory to GTRUN;
After UE succeeds in registration in MSC, MSC returns to the response of succeeding in registration of CS territory to GTRUN.
Step S409, GTRUN return to the response of succeeding in registration of CS territory to UE;
GTRUN succeeds in registration CS territory to respond to return to and belongs to the UE that falls terminal after rise.
Step S410, MSC send log-on message to gateway device;
MSC sends to gateway device by belonging to the log-on message generating after the UE that falls terminal after rise succeeds in registration in MSC.
Step S411, gateway device storage log-on message;
The log-on message that gateway device sends MSC is stored.
Step S412, MME send log-on message request message to gateway device;
When detecting UE, MME is switched to from LTE network one section of Preset Time of GSM network, MME sends log-on message request message to obtain the log-on message of storing in gateway device to gateway device, described Preset Time can guarantee that gateway device receives the log-on message that MSC sends, and the process of storing log-on message completes.
Step S413, gateway device return to log-on message to MME;
Log-on message is sent to MME by gateway device.
Step S414, MME receive PS service request, obtain PS business information;
When MME receives PS service request, obtain PS business information, described PS business information comprises PS business initiating terminal ID, PS type of service and PS business initiation time.
Step S415, MME send terminal called ID and PS business information to MSC;
MME obtains the IP address of the MSC corresponding with terminal called ID from log-on message according to the terminal called ID of PS service request, and the PS business information that sends terminal called ID and get to MSC.
Step S416, MSC send PS business information to UE;
MSC receives MSC the terminal called ID sending and the PS business information getting, and sends PS business information to the UE corresponding with terminal called ID.
Step S417, UE receive PS business information.
UE receives PS business information, processes for user.
The embodiment of the present invention receives by gateway device the log-on message that the first network element device sends, make the second network element device obtain described log-on message by gateway device, and according to log-on message, the PS service request receiving is sent to mobile terminal by the first network element device, so that fall back to the PS business of the mobile terminal perception source network of objective network processing CS business.
Embodiment six
The gateway device structure chart that Fig. 5 provides for the embodiment of the present invention six.The gateway device that the embodiment of the present invention provides can be carried out the handling process that PS service announcements embodiment of the method provides, as shown in Figure 5, gateway device 50 comprises receiver module 51 and sending module 52, wherein, the log-on message that receiver module 51 sends for the first network element device of receiving target network, described log-on message comprises the address information of terminal iidentification and described first network element device of mobile terminal, described log-on message be described mobile terminal from source network is switched to described objective network, carry out network registry at described the first network element device and obtain; Sending module 52 is for sending to described log-on message the second network element device of described source network, if receive the PS service request of initiating to described mobile terminal in described source network for described the second network element device, obtain the address information of corresponding described the first network element device according to the terminal iidentification of described mobile terminal, and forward described PS service request by described the first network element device to described mobile terminal.
On the basis of the embodiment of the present invention, described objective network is 2G or 3G network, and described source network is Long Term Evolution LTE network.
The embodiment of the present invention receives by gateway device the log-on message that the first network element device sends, make the second network element device obtain described log-on message by gateway device, and according to log-on message, the PS service request receiving is sent to mobile terminal by the first network element device, so that fall back to the PS business of the mobile terminal perception source network of objective network processing CS business; By the restriction to source network, objective network, while making PS service announcements method that the embodiment of the present invention provides can specifically be applied in mobile terminal to be switched to 2G or 3G network from LTE network, LTE network is to the mobile terminal notice PS business in 2G or 3G network, so that fall back to the PS business of the terminal perception LTE network of 2G or 3G network processing CS business.
Embodiment seven
The first network element device structure chart that Fig. 6 provides for the embodiment of the present invention seven.The first network element device that the embodiment of the present invention provides can be carried out the handling process that PS service announcements embodiment of the method provides, as shown in Figure 6, the first network element device 60 comprises sending module 61, receiver module 62 and forwarding module 63, wherein, sending module 61 is for sending log-on message to gateway device, described log-on message comprises the address information of terminal iidentification and described first network element device of mobile terminal, described log-on message be described mobile terminal from source network is switched to described objective network, carry out network registry at described the first network element device and obtain; Receiver module 62 PS service request that the second network element device of described source network sends for receiving, that initiate to described mobile terminal; Described the second network element device receives after described PS service request in described source network, sends described PS service request according to the address information of described the first network element device corresponding with the terminal iidentification of described mobile terminal; The address information of the terminal iidentification of described mobile terminal and described the first network element device is that described the second network element device obtains from described gateway device; Forwarding module 63 is for forwarding described PS service request to described mobile terminal.
On the basis of the embodiment of the present invention, described objective network is 2G or 3G network, and described source network is Long Term Evolution LTE network.Described the first network element device is moving exchanging center MSC.
The embodiment of the present invention sends log-on message by the first network element device to gateway device, make the second network element device obtain described log-on message by gateway device, and according to log-on message, the PS service request receiving is sent to mobile terminal by the first network element device, so that fall back to the PS business of the mobile terminal perception source network of objective network processing CS business; By the restriction to source network, objective network and network element device, while making PS service announcements method that the embodiment of the present invention provides can specifically be applied in mobile terminal to be switched to 2G or 3G network from LTE network, LTE network is to the mobile terminal notice PS business in 2G or 3G network, so that fall back to the PS business of the terminal perception LTE network of 2G or 3G network processing CS business.
Embodiment eight
The second network element device structure chart that Fig. 7 provides for the embodiment of the present invention eight.The second network element device that the embodiment of the present invention provides can be carried out the handling process that PS service announcements embodiment of the method provides, as shown in Figure 7, the second network element device 70 comprises receiver module 71 and acquisition module 72, wherein, the log-on message that receiver module 71 sends for receiving gateway device, described log-on message comprises the address information of the first network element device in terminal iidentification and the objective network of mobile terminal, described log-on message be described mobile terminal from described source network is switched to described objective network, carry out network registry at described the first network element device and obtain; Acquisition module 72 is for receiving at described source network after the PS service request of initiating to described mobile terminal, obtain the address information of corresponding described the first network element device according to the terminal iidentification of described mobile terminal, and forward described PS service request by described the first network element device to described mobile terminal.
On the basis of the embodiment of the present invention, described objective network is 2G or 3G network, and described source network is Long Term Evolution LTE network.Described the second network element device is network node MME.
The embodiment of the present invention receives by the second network element device the log-on message that gateway device sends, and according to log-on message, the PS service request receiving is sent to mobile terminal by the first network element device, so that fall back to the PS business of the mobile terminal perception source network of objective network processing CS business; By the restriction to source network, objective network and network element device, while making PS service announcements method that the embodiment of the present invention provides can specifically be applied in mobile terminal to be switched to 2G or 3G network from LTE network, LTE network is to the mobile terminal notice PS business in 2G or 3G network, so that fall back to the PS business of the terminal perception LTE network of 2G or 3G network processing CS business.
Embodiment nine
The PS service announcements system construction drawing that Fig. 8 provides for the embodiment of the present invention nine.The PS service announcements system that the embodiment of the present invention provides can be carried out the handling process that PS service announcements embodiment of the method provides, as shown in Figure 8, PS service announcements system 80 comprises the second network element device 70 described in the gateway device 50 described in embodiment eight, the first network element device 60 and the embodiment ten described in embodiment nine.
The PS service announcements system that the embodiment of the present invention provides can be carried out the handling process that PS service announcements embodiment of the method provides.
In sum, the embodiment of the present invention sends log-on message by the first network element device to gateway device, gateway device receives the log-on message that the first network element device sends, make the second network element device obtain described log-on message by gateway device, and according to log-on message, the PS service request receiving is sent to mobile terminal by the first network element device, so that fall back to the PS business of the mobile terminal perception source network of objective network processing CS business; By the restriction to source network, objective network and network element device, while making PS service announcements method that the embodiment of the present invention provides can specifically be applied in mobile terminal to be switched to 2G or 3G network from LTE network, LTE network is to the mobile terminal notice PS business in 2G or 3G network, so that fall back to the PS business of the terminal perception LTE network of 2G or 3G network processing CS business.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of program command.Aforesaid program can be stored in a computer read/write memory medium.This program, in the time carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (13)
1. a PS service announcements method, is characterized in that, comprising:
The log-on message that the first network element device in gateway device receiving target network sends, described log-on message comprises the address information of terminal iidentification and described first network element device of mobile terminal, described log-on message be described mobile terminal from source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Described log-on message is sent to the second network element device in described source network by described gateway device, if receive the PS service request of initiating to described mobile terminal in described source network for described the second network element device, obtain the address information of corresponding described the first network element device according to the terminal iidentification of described mobile terminal, and forward described PS service request by described the first network element device to described mobile terminal.
2. method according to claim 1, is characterized in that, described objective network is 2G or 3G network, and described source network is Long Term Evolution LTE network; Described the first network element device is moving exchanging center MSC, and described the second network element device is network node MME.
3. a PS service announcements method, is characterized in that, comprising:
The first network element device in objective network sends log-on message to gateway device, described log-on message comprises the address information of terminal iidentification and described first network element device of mobile terminal, described log-on message be described mobile terminal from source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Described the first network element device receives the second network element device PS service request that send, that initiate to described mobile terminal in described source network; Described the second network element device receives after described PS service request in described source network, sends described PS service request according to the address information of described the first network element device corresponding with the terminal iidentification of described mobile terminal; The address information of the terminal iidentification of described mobile terminal and described the first network element device is that described the second network element device obtains from described gateway device;
Described the first network element device forwards described PS service request to described mobile terminal.
4. method according to claim 3, is characterized in that, described objective network is 2G or 3G network, and described source network is Long Term Evolution LTE network; Described the first network element device is moving exchanging center MSC, and described the second network element device is network node MME.
5. a PS service announcements method, is characterized in that, comprising:
The second network element device in source network receives the log-on message that gateway device sends, described log-on message comprises the address information of the first network element device in terminal iidentification and the objective network of mobile terminal, described log-on message be described mobile terminal from described source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Described the second network element device receives after the PS service request of initiating to described mobile terminal in described source network, obtain the address information of corresponding described the first network element device according to the terminal iidentification of described mobile terminal, and forward described PS service request by described the first network element device to described mobile terminal.
6. method according to claim 5, is characterized in that, described objective network is 2G or 3G network, and described source network is Long Term Evolution LTE network; Described the first network element device is moving exchanging center MSC, and described the second network element device is network node MME.
7. a gateway device, is characterized in that, comprising:
Receiver module, the log-on message sending for the first network element device of receiving target network, described log-on message comprises the address information of terminal iidentification and described first network element device of mobile terminal, described log-on message be described mobile terminal from source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Sending module, for described log-on message being sent to the second network element device of described source network, if receive the PS service request of initiating to described mobile terminal in described source network for described the second network element device, obtain the address information of corresponding described the first network element device according to the terminal iidentification of described mobile terminal, and forward described PS service request by described the first network element device to described mobile terminal.
8. gateway device according to claim 7, is characterized in that, described objective network is 2G or 3G network, and described source network is Long Term Evolution LTE network.
9. first network element device, is arranged in objective network, it is characterized in that, comprising:
Sending module, for sending log-on message to gateway device, described log-on message comprises the address information of terminal iidentification and described first network element device of mobile terminal, described log-on message be described mobile terminal from source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Receiver module, PS service request that the second network element device of described source network sends for receiving, that initiate to described mobile terminal; Described the second network element device receives after described PS service request in described source network, sends described PS service request according to the address information of described the first network element device corresponding with the terminal iidentification of described mobile terminal; The address information of the terminal iidentification of described mobile terminal and described the first network element device is that described the second network element device obtains from described gateway device;
Forwarding module, for forwarding described PS service request to described mobile terminal.
10. the first network element device according to claim 9, is characterized in that, described objective network is 2G or 3G network, and described source network is Long Term Evolution LTE network; Described the first network element device is moving exchanging center MSC.
11. a kind of second network element device, is arranged in source network, it is characterized in that, comprising:
Receiver module, the log-on message sending for receiving gateway device, described log-on message comprises the address information of the first network element device in terminal iidentification and the objective network of mobile terminal, described log-on message be described mobile terminal from described source network is switched to described objective network, carry out network registry at described the first network element device and obtain;
Acquisition module, for receiving at described source network after the PS service request of initiating to described mobile terminal, obtain the address information of corresponding described the first network element device according to the terminal iidentification of described mobile terminal, and forward described PS service request by described the first network element device to described mobile terminal.
12. the second network element devices according to claim 11, is characterized in that, described objective network is 2G or 3G network, and described source network is Long Term Evolution LTE network; Described the second network element device is network node MME.
13. 1 kinds of PS service announcements systems, is characterized in that, comprise gateway device as claimed in claim 7 or 8, the first network element device as described in claim 9 or 10, and the second network element device as described in claim 11 or 12.
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| CN201410081092.0A CN103813301A (en) | 2014-03-06 | 2014-03-06 | PS (Packet Switch) service notification method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410081092.0A CN103813301A (en) | 2014-03-06 | 2014-03-06 | PS (Packet Switch) service notification method and device |
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