CN106941734B - Communication method, device and system - Google Patents
Communication method, device and system Download PDFInfo
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- CN106941734B CN106941734B CN201610006776.3A CN201610006776A CN106941734B CN 106941734 B CN106941734 B CN 106941734B CN 201610006776 A CN201610006776 A CN 201610006776A CN 106941734 B CN106941734 B CN 106941734B
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Abstract
The invention discloses a communication method, which comprises the following steps: a first network receives a service request sent by a first calling user terminal; determining that a serving network of a first called user terminal is a second network based on the service request, wherein the second network is different from the first network; sending first indication information to the first calling user terminal; the first indication information is used for indicating the first calling user terminal to be redirected to a first logic network, and performing service intercommunication with the first called user terminal in the second network through the first logic network; the first logical network belongs to the first network. The invention also discloses a communication device and a system.
Description
Technical Field
The present invention relates to the field of core networks and the fifth Generation mobile communication technology (5G, 5-Generation), and in particular, to a communication method, apparatus and system.
Background
If the networks with different architectures perform service intercommunication, the calling network is adopted to provide service, the service is routed to the called service network to connect the called party after number analysis, and intercommunication network elements are arranged between the calling service network and the called service network with different architectures to perform intercommunication of control signaling and conversion of media streams.
A concept of network slicing is proposed in the 5G stage, different logic networks are constructed as required from a unified infrastructure through a slicing technology, and a schematic diagram of logic network division in the 5G network is shown in FIG. 1; the evolution of the 5G architecture introduces complexity to interworking, and when the 5G end user performs service interworking with a traditional network end user (e.g. 2/3G terminal, 4G dual standby/CSFB end user), if the existing interworking method, namely the routing of the calling service network to the called service network, is followed, the following problems will occur:
1. the method comprises the steps that intercommunication network elements are deployed in a plurality of different logic networks for providing services for users to provide an intercommunication function;
2. 2/3/4G terminal user does not know the current logic network of the called user when calling 5G terminal user, and can not provide route.
Disclosure of Invention
In view of this, embodiments of the present invention desirably provide a communication method, apparatus, and system, so that when the first network is a 5G network, it is avoided that each network slice deploys an interworking network element, and the problems of codec conversion between the 5G network and the conventional network are avoided.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
the embodiment of the invention provides a communication method, which comprises the following steps:
a first network receives a service request sent by a first calling user terminal;
determining that a serving network of a first called user terminal is a second network based on the service request, wherein the second network is different from the first network;
sending first indication information to the first calling user terminal; the first indication information is used for indicating the first calling user terminal to be redirected to a first logic network, and performing service intercommunication with the first called user terminal in the second network through the first logic network; the first logical network belongs to the first network.
In the foregoing solution, before the first network receives the service request sent by the first calling user terminal, the method further includes:
performing network division on the first network to form the first logic network; the first logical network is a logical network interworking with the second network.
In the above scheme, the service request carries user identification information of the called user;
the determining that the service network of the first called user terminal is the second network based on the service request includes:
and analyzing the service request to obtain the user identification information of the called user, inquiring a user database based on the user identification information, and determining that the service network of the first called user terminal is the second network.
In the above scheme, the first indication information carries a network slice identity ID of the first logical network;
the first indication information is specifically used to indicate that the first calling user terminal is redirected to the first logical network according to the network slice ID of the first logical network.
In the above scheme, the method further comprises:
the first logical network allocating radio resources to the first calling user terminal based on the capabilities of the second network; the wireless resource is used for the first calling user terminal to perform service intercommunication with the first called user terminal in a second network through the first logic network by using the wireless resource.
In the foregoing solution, after the first logical network allocates the radio resource to the first calling user terminal based on the capability of the second network, the method further includes:
and the first logic network transparently transmits the interactive information of the first calling user terminal and the first called user terminal in the second network.
The embodiment of the invention also provides a communication method, which comprises the following steps:
a second network receives a service request sent by a second calling user terminal;
determining a serving network of a second called user terminal as a first network based on the service request, wherein the first network is different from the second network;
sending second indication information to the first logic network; the first logical network belongs to the first network; the second indication information is used for indicating the first logic network to send a paging message to the second called user terminal; the paging message is used for indicating the second called user terminal to redirect to the first logic network, and performing service intercommunication with the second calling user terminal in the second network through the first logic network.
In the above scheme, the service request carries user identification information of the called user;
the determining that the serving network of the second called user terminal is the first network based on the service request includes:
and analyzing the service request to obtain the user identification information of the called user, inquiring a user database based on the user identification information, and determining the service network of the second called user terminal as the first network.
In the above scheme, the paging message carries a network slice identity ID of the first logical network;
the paging message is specifically used to instruct the second called user terminal to redirect to the first logical network according to the network slice ID of the first logical network.
An embodiment of the present invention further provides a communication apparatus, where the apparatus is located in a first network, and the apparatus includes: the device comprises a first receiving module, a first determining module and a first sending module; wherein the content of the first and second substances,
the first receiving module is used for receiving a service request sent by a first calling user terminal;
the first determining module is configured to determine, based on the service request, that a serving network of a first called user terminal is a second network, where the second network is different from the first network;
the first sending module is configured to send first indication information to the first calling user terminal; the first indication information is used for indicating the first calling user terminal to be redirected to a first logic network, and performing service intercommunication with the first called user terminal in the second network through the first logic network; the first logical network belongs to the first network.
In the foregoing solution, the apparatus further includes a dividing module, configured to perform network division on the first network to form the first logical network; the first logical network is a logical network interworking with the second network.
In the above scheme, the service request carries user identification information of the called user;
the first determining module is specifically configured to parse the service request to obtain user identification information of the called user, perform user database query based on the user identification information, and determine that the service network of the first called user terminal is the second network.
In the above scheme, the first indication information carries a network slice identity ID of the first logical network;
the first indication information is specifically used to indicate that the first calling user terminal is redirected to the first logical network according to the network slice ID of the first logical network.
In the above solution, the apparatus further includes a first allocation module, where the first allocation module is located in the first logic network;
the first allocation module is configured to allocate radio resources to the first calling user terminal based on the capability of the second network; the wireless resource is used for the first calling user terminal to perform service intercommunication with the first called user terminal in a second network through the first logic network by using the wireless resource.
In the above scheme, the first allocation module is further configured to transparently transmit the interaction information between the first calling user terminal and the first called user terminal in the second network.
An embodiment of the present invention further provides a communication apparatus, where the apparatus is located in a second network, and the apparatus includes: the first receiving module, the first determining module and the first sending module are connected with the first receiving module; wherein the content of the first and second substances,
the second receiving module is used for receiving a service request sent by a second calling user terminal;
the second determining module is configured to determine, based on the service request, that a serving network of a second called user terminal is a first network, where the first network is different from the second network;
the second sending module is configured to send second indication information to the first logic network; the first logical network belongs to the first network; the second indication information is used for indicating the first logic network to send a paging message to the second called user terminal; the paging message is used for indicating the second called user terminal to redirect to the first logic network, and performing service intercommunication with the second calling user terminal in the second network through the first logic network.
In the above scheme, the service request carries user identification information of the called user;
the second determining module is specifically configured to parse the service request to obtain user identification information of the called user, perform user database query based on the user identification information, and determine that the service network of the second called user terminal is the first network.
In the above scheme, the paging message carries a network slice identity ID of the first logical network;
the paging message is specifically used to instruct the called user terminal to redirect to the first logical network according to the network slice ID of the first logical network.
The embodiment of the invention also provides a communication method, which comprises the following steps:
the first logic network receives second indication information sent by the second network; the second indication information is sent after the second network receives a service request sent by a second calling user terminal and determines that a service network of a second called user terminal is the first network based on the service request; the first network is different from the second network; the first logical network belongs to the first network;
sending a paging message to the second called user terminal based on the second indication information; the paging message is used for indicating the second called user terminal to redirect to the first logic network, and performing service intercommunication with the second calling user terminal in the second network through the first logic network.
In the above scheme, the method further comprises:
allocating radio resources to the second called user terminal based on the capabilities of the second network; the wireless resource is used for the second called user terminal to perform service intercommunication with the second calling user terminal in a second network through the first logic network by using the wireless resource.
An embodiment of the present invention further provides a communication apparatus, where the apparatus is located in a first logical network, and the apparatus includes: a third receiving module and a paging module; wherein the content of the first and second substances,
the third receiving module is configured to receive second indication information sent by a second network; the second indication information is sent after the second network receives a service request sent by a second calling user terminal and determines that a service network of a second called user terminal is the first network based on the service request; the first network is different from the second network; the first logical network belongs to the first network;
the paging module is configured to send a paging message to the second called user terminal based on the second indication information; the paging message is used for indicating the second called user terminal to redirect to the first logic network, and performing service intercommunication with the second calling user terminal in the second network through the first logic network.
In the above solution, the apparatus further includes a second allocating module, configured to allocate a radio resource to the second called ue based on the capability of the second network; the wireless resource is used for the second called user terminal to perform service intercommunication with the second calling user terminal in a second network through the first logic network by using the wireless resource.
An embodiment of the present invention further provides a communication system, where the system includes: the system comprises a first calling user terminal, a first called user terminal, a first network and a second network; the second network is different from the first network;
the first calling user terminal is used for sending a service request to the first network;
the first network is used for sending first indication information to the first calling user terminal when the service network of the first called user terminal is determined to be a second network based on the service request;
the first calling user terminal is further configured to redirect to a first logical network according to the first indication information, and perform service interworking with the first called user terminal in the second network through the first logical network; the first logical network belongs to the first network.
An embodiment of the present invention further provides a communication system, where the system includes: a second calling user terminal, a second called user terminal, a first network and a second network; the second network is different from the first network; wherein the content of the first and second substances,
the second calling user terminal is used for sending a service request to the second network;
the second network is used for sending second indication information to the first logic network when the service network of the second called user terminal is determined to be the first network based on the service request; the first logical network belongs to the first network;
the first logic network is configured to send a paging message to the second called user terminal according to the second indication information;
the second called user terminal is configured to redirect to the first logical network according to the paging message, and perform service interworking with the second calling user terminal in the second network through the first logical network.
In the communication method, the apparatus, and the system provided in the embodiments of the present invention, a first calling user terminal sends a service request to a first network, the first network determines, based on the service request, that a service network of a first called user terminal is a second network, the second network is different from the first network, and sends first indication information to the first calling user terminal, and the first calling user terminal redirects to a first logic network according to the first indication information and performs service interworking with the first called user terminal in the second network through the first logic network; the first logical network belongs to the first network. Thus, when the first network is a 5G network, the service network of the first called user terminal is a conventional 2/3/4G network, and the first calling user terminal can perform service interworking with the first called user terminal in the conventional network through a first logic network partitioned from the 5G network, thereby avoiding that each network slice in the 5G network deploys an interworking network element, and avoiding the problems of codec conversion and the like between the 5G network and the conventional network.
Drawings
FIG. 1 is a schematic diagram of logical network partitioning in a 5G network;
fig. 2 is a schematic diagram of terminal communication in a conventional network;
FIG. 3 is a first flowchart illustrating a communication method according to an embodiment of the present invention;
FIG. 4 is a first block diagram of a communication system according to an embodiment of the present invention;
FIG. 5 is a flowchart illustrating a second communication method according to an embodiment of the present invention;
FIG. 6 is a third flowchart illustrating a communication method according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a second exemplary communication system configuration according to the present invention;
FIG. 8 is a fourth flowchart illustrating a communication method according to an embodiment of the present invention;
FIG. 9 is a first block diagram of a communication device according to an embodiment of the present invention;
FIG. 10 is a second schematic structural diagram of a communication device according to an embodiment of the present invention;
fig. 11 is a third schematic structural diagram of a communication system according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of a communication system according to a fourth embodiment of the present invention;
fig. 13 is a third schematic structural diagram of a communication device according to an embodiment of the present invention.
Detailed Description
As shown in fig. 2, which is a schematic view of terminal communication in a conventional network, specifically, an interworking schematic view between a 2/3G Circuit Switching (CS) network and a 4G VoLTE network, when a calling user is a VoLTE user and a called user is a CS user, the VoLTE user accesses to the 4G network through an LTE radio technology and registers in the VoLTE network, and then initiates a call, the 4G VoLTE is used as a calling service network to provide a voice service for the calling user, judges that the called user is in the 2/3G CS network through number analysis and domain selection, routes the call to an interworking network element, and sends the call to the 2/3G CS network through the interworking network element according to a corresponding service flow.
In the embodiment of the invention, a calling user terminal sends a service request to a first network, the first network determines that a service network of a called user terminal is a second network based on the service request, the second network is different from the first network, first indication information is sent to the calling user terminal, and the calling user terminal is redirected to a first logic network according to the first indication information and is accessed to the second network through the first logic network; the first logical network belongs to the first network.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example one
Fig. 3 is a schematic flow chart of a communication method according to an embodiment of the present invention, fig. 4 is a schematic structural composition diagram of a communication system according to an embodiment of the present invention, and as shown in fig. 3 and fig. 4, the communication method according to an embodiment of the present invention includes:
step 301: a first network receives a service request sent by a first calling user terminal;
here, the first network is a serving network of a first calling user terminal;
in practical application, a service control function entity of a first network receives a first service request sent by a calling user terminal; the service request may be a voice service request, a short message service request, a video call service request, and the like, where the service request carries user Identification information of a called user, and the user Identification information may be an International Mobile Subscriber Identity (IMSI) of the called user, and the like; the first calling user terminal is a first network user terminal; the first network may be a 5G network.
Based on the embodiment of the present invention, in practical application, before the first network receives the service request sent by the first calling user terminal, the method further includes:
carrying out network division on the first network to form a first logic network; the first logic network belongs to the first network and is a logic network intercommunicated with a second network; the second network is different from the first network, such as: the second network is a conventional 2/3/4G network, that is, the first logical network is a logical network interworking with a conventional 2/3/4G network, and may have a function of providing services of the conventional network.
Step 302: determining that the service network of the first called user terminal is a second network based on the service request;
in one embodiment, the method specifically includes:
and the service control function entity of the first network analyzes the service request to obtain the user identification information of the called user, and performs user database query based on the user identification information to determine that the service network of the first called user terminal is the second network.
Step 303: sending first indication information to the first calling user terminal;
here, the first indication information is used to indicate that the first calling user terminal is redirected to a first logical network, and performs service interworking with the first called user terminal in the second network through the first logical network.
Based on the embodiment of the present invention, in practical application, the first indication information carries a network slice ID of the first logical network;
the first indication information is specifically used to indicate that the first calling user terminal is redirected to the first logical network according to the network slice ID of the first logical network.
In an embodiment, after the first calling user terminal is redirected to the first logical network, the method further comprises:
a mobility management functional entity of the first logic network allocates wireless resources to the first calling user terminal based on the capability of the second network and guides the first calling user terminal to access; the wireless resource is used for the first calling user terminal to perform service intercommunication with the first called user terminal in a second network through a mobility management function entity of the first logic network by using the wireless resource;
here, when the second network is a conventional 2/3/4G network and the first network is a 5G network, the radio resource is a low-bandwidth radio resource required for interworking with the conventional 2/3/4G network service.
In one embodiment, the first logical network allocates radio resources to the first calling user terminal, and after the first calling user terminal accesses the second network, the method further includes:
and the first calling user terminal registers in a user database through a mobility management function entity of the first logic network.
In an embodiment, after the first logical network allocates radio resources to the first calling user terminal based on the capability of the second network, the method further comprises:
the second network provides a call control function to complete the service intercommunication between the first calling user terminal and the first called user terminal, and the first logic network transparently transmits the interactive information between the first calling user terminal and the first called user terminal in the second network.
Example two
Fig. 5 is a schematic flow chart of a communication method according to an embodiment of the present invention, fig. 4 is a schematic structural composition diagram of a communication system according to an embodiment of the present invention, and as shown in fig. 5 and fig. 4, the communication method according to an embodiment of the present invention includes:
step 500: carrying out network division on a first network to form a first logic network;
in the embodiment of the present invention, the first logical network belongs to the first network and is a logical network interworking with a second network; the second network is different from the first network, such as: the second network is a conventional 2/3/4G network, that is, the first logical network is a logical network interworking with a conventional 2/3/4G network, and may have a function of providing services of the conventional network.
It should be noted that the operation of this step is only performed when the communication method according to the embodiment of the present invention is performed for the first time, and the subsequent operation can be directly applied.
Step 501: a first calling user terminal sends a service request to a first network;
here, the first network is a serving network of a first calling user terminal, and the serving network of the first calling user terminal is only the first network; a first calling user terminal sends a service request to a service control function entity of a first network; in the embodiment of the present invention, the first network is a 5G network; the service request is a voice service request, a short message service request, a video call service request and the like, the service request carries user identification information of a called user, and the user identification information is the IMSI of the called user.
Step 502: the first network determines the service network of the first called user terminal as a second network according to the service request;
in the embodiment of the present invention, the steps specifically include:
and the service control function entity of the first network analyzes the service request to obtain the user identification information of the called user, and performs user database query based on the user identification information to determine that the service network of the first called user terminal is the second network.
Step 503: the first network sends first indication information to the first calling user terminal;
here, the first indication information carries a network slice ID of the first logical network;
the first indication information is used for indicating the first calling user terminal to be redirected to a first logic network, and the first calling user terminal is accessed to the second network through the first logic network.
Step 504: the first calling user terminal redirects to a first logic network according to the first indication information;
in the embodiment of the present invention, the steps specifically include: and the first calling user terminal redirects to the first logic network according to the network slice ID of the first logic network carried by the first indication information.
Step 505: the first logic network distributes wireless resources to the first calling user terminal;
here, the mobility management function entity of the first logical network allocates a radio resource to the first calling user terminal based on the capability of the second network and directs the first calling user terminal to access; the wireless resource is used for the first calling user terminal to perform service intercommunication with the first called user terminal in a second network through a mobility management function entity of the first logic network by using the wireless resource;
here, when the second network is a conventional 2/3/4G network and the first network is a 5G network, the radio resource is a low-bandwidth radio resource required for interworking with the conventional 2/3/4G network service.
Step 506: the first calling user terminal uses the wireless resource to perform service intercommunication with the first called user terminal through the first logic network, and registers in a user database.
Here, the second network provides a call control function, and completes service interworking between the first calling user terminal and the first called user terminal according to a service flow of the second network, and the first logic network transparently transmits the interaction information between the first calling user terminal and the first called user terminal.
EXAMPLE III
Fig. 6 is a schematic flow chart of a communication method according to an embodiment of the present invention, and fig. 7 is a schematic structural composition diagram of a communication system according to an embodiment of the present invention, as shown in fig. 6 and 7, the communication method according to an embodiment of the present invention includes:
step 601: a second network receives a service request sent by a second calling user terminal;
here, the second network is a serving network of the second calling user terminal;
in practical application, the service request may be a voice service request, a short message service request, a video call service request, or the like, where the service request carries user identification information of a called user, and the user identification information may be an IMSI or the like of the called user;
in one embodiment, the second network may be a conventional 2/3/4G network.
Step 602: determining that the service network of the second called user terminal is the first network based on the service request;
here, the first network is different from the second network, and the serving network of the second called user terminal is only the first network; in one embodiment, the first network may be a 5G network.
Based on the embodiment of the invention, in practical application, the steps specifically include:
the second network analyzes the service request to obtain the user identification information of the called user, and performs user database query based on the user identification information to determine that the service network of the second called user terminal is the first network.
Step 603: sending second indication information to the first logic network;
here, the first logical network belongs to the first network; the first logic network is a logic network which is divided from the first network and is communicated with a second network; when the second network is a conventional 2/3/4G network, the first logical network is a logical network interworking with a conventional 2/3/4G network, and may have a function of providing services of the conventional network.
The second indication information is used for indicating the first logic network to send a paging message to the second called user terminal; the paging message carries a network slice ID of the first logical network;
the paging message is used for indicating the second called user terminal to be redirected to the first logic network, and performing service intercommunication with a second calling user terminal in the second network through the first logic network;
the paging message is specifically used to instruct the second called user terminal to redirect to the first logical network according to the network slice ID of the first logical network.
In an embodiment, after the second called user terminal is redirected to the first logical network, the method further includes:
the mobility management functional entity of the first logic network allocates wireless resources to the second called user terminal based on the capability of the second network and guides the second called user terminal to access; the wireless resource is used for the second called user terminal to perform service intercommunication with a second calling user terminal in a second network through a mobility management functional entity of the first logic network by utilizing the wireless resource;
here, when the second network is a conventional 2/3/4G network and the first network is a 5G network, the radio resource is a low-bandwidth radio resource required for interworking with the conventional 2/3/4G network service.
In an embodiment, after the first logical network allocates the radio resource to the second called user terminal, the method further includes:
and the second called user terminal registers in a user database through a mobile management functional entity of the first logic network.
In an embodiment, after the first logical network allocates the radio resource to the called user terminal, the method further includes:
the second network provides a call control function to complete the service intercommunication between the second calling user terminal and the second called user terminal, and the first logic network transparently transmits the interactive information between the second called user terminal and the second calling user terminal.
Example four
Fig. 8 is a schematic flow chart of a communication method according to an embodiment of the present invention, fig. 7 is a schematic structural composition diagram of a communication system according to an embodiment of the present invention, and as shown in fig. 8 and 7, the communication method according to an embodiment of the present invention includes:
step 801: the second calling user terminal sends a service request to a second network;
here, the second network is a serving network of the second calling user terminal;
in practical application, the service request may be a voice service request, a short message service request, a video call service request, or the like, where the service request carries user identification information of a called user, and the user identification information may be an IMSI or the like of the called user;
in the embodiment of the present invention, the second network is a conventional 2/3/4G network.
Step 802: the second network determines the service network of the second called user terminal as the first network based on the service request;
here, the first network is different from the second network; in the embodiment of the present invention, the first network is a 5G network.
In the embodiment of the present invention, the steps specifically include:
the second network analyzes the service request to obtain the user identification information of the called user, and performs user database query based on the user identification information to determine that the service network of the second called user terminal is the first network.
Step 803: the second network sends second indication information to the first logic network;
here, the first logical network belongs to the first network; the first logic network is a logic network which is divided from the first network and is communicated with a second network; when the second network is a conventional 2/3/4G network, the first logical network is a logical network interworking with a conventional 2/3/4G network, and may have a function of providing services of the conventional network.
Step 804: the first logic network sends a paging message to the second called user terminal according to the second indication information;
here, the paging message carries a network slice ID of the first logical network.
Step 805: the second called user terminal redirects to the first logic network according to the paging message;
in the embodiment of the present invention, the steps specifically include:
and the second called user terminal redirects to the first logic network according to the network slice ID of the first logic network carried by the paging message.
Step 806: the first logic network distributes wireless resources to the second called user terminal;
here, the radio resource is used for the second called user terminal to perform service interworking with a second calling user terminal in a second network through a mobility management function entity of the first logical network by using the radio resource;
here, when the second network is a conventional 2/3/4G network and the first network is a 5G network, the radio resource is a low-bandwidth radio resource required for interworking with the conventional 2/3/4G network service.
Step 807: and the second called user terminal performs service intercommunication with a second calling user terminal in a second network through the first logic network by using the wireless resources and registers in a user database.
Here, the second network provides a call control function, and completes service interworking between the second calling user terminal and the second called user terminal according to a service flow of the second network, and the first logic network transparently transmits interaction information between the second called user terminal and the second calling user terminal in the second network.
EXAMPLE five
FIG. 9 is a block diagram of a communication device according to an embodiment of the present invention; the apparatus is located in a first network, the apparatus comprising: a first receiving module 91, a first determining module 92 and a first sending module 93; wherein the content of the first and second substances,
the first receiving module 91 is configured to receive a service request sent by a first calling user terminal;
the first determining module 92 is configured to determine, based on the service request, that a serving network of the first called user terminal is a second network, where the second network is different from the first network;
the first sending module 93 is configured to send first indication information to the first calling user terminal;
here, the first indication information is used to indicate that the first calling user terminal is redirected to a first logical network, and performs service interworking with the first called user terminal in the second network through the first logical network; the first logical network belongs to the first network;
the service request carries user identification information of the called user, and the user identification information can be the IMSI of the called user and the like.
In an embodiment, the apparatus further includes a dividing module 94 configured to perform network division on the first network to form the first logical network; the first logic network is a logic network intercommunicated with the second network; the second network is different from the first network, such as: the second network is a conventional 2/3/4G network, that is, the first logical network is a logical network interworking with a conventional 2/3/4G network, and may have a function of providing services of the conventional network.
In an embodiment, the first determining module 92 is specifically configured to parse the service request to obtain the user identifier information of the called user, perform user database query based on the user identifier information, and determine that the serving network of the first called user terminal is the second network.
In an embodiment, the first indication information carries a network slice ID of the first logical network;
the first indication information is specifically used to indicate that the first calling user terminal is redirected to the first logical network according to the network slice ID of the first logical network.
In one embodiment, the apparatus further comprises an assignment module 95, the assignment module located in the first logical network;
the allocating module 95 is configured to allocate radio resources to the first calling subscriber terminal and instruct the first calling subscriber terminal to access; the wireless resource is used for the first calling user terminal to perform service intercommunication with the first called user terminal in a second network through the first logic network by using the wireless resource;
here, when the second network is a conventional 2/3/4G network and the first network is a 5G network, the radio resource is a low-bandwidth radio resource required for interworking with the conventional 2/3/4G network service.
In an embodiment, the allocating module 95 is further configured to register relevant information of the first calling user terminal, such as an IP address, in a user database;
in an embodiment, the allocating module 95 is further configured to transparently transmit the interaction information between the first calling user terminal and the first called user terminal in the second network.
EXAMPLE six
FIG. 10 is a block diagram of a communication device according to an embodiment of the present invention; the apparatus is located in a second network, the apparatus comprising: a second receiving module 11, a second determining module 12 and a second sending module 13; wherein the content of the first and second substances,
the second receiving module 11 is configured to receive a service request sent by a second calling user terminal;
the second determining module 12 is configured to determine, based on the service request, that a serving network of a second called user terminal is a first network, where the first network is different from the second network;
the second sending module 13 is configured to send second indication information to the first logic network;
here, the first logical network belongs to the first network and is a logical network interworking with a second network; the second network is different from the first network, such as: the second network is a conventional 2/3/4G network, that is, the first logical network is a logical network interworking with a conventional 2/3/4G network, and may have a function of providing services of the conventional network.
The second indication information is used for indicating the first logic network to send a paging message to the second called user terminal; the paging message is used for indicating the second called user terminal to redirect to the first logic network, and performing service intercommunication with a second calling user terminal in the second network through the first logic network.
In an embodiment, the service request carries user identification information of a called user;
the second determining module 12 is specifically configured to analyze the service request to obtain user identifier information of a called user, perform user database query based on the user identifier information, and determine that a service network of a second called user terminal is the first network.
In an embodiment, the paging message carries a network slice ID of the first logical network;
the paging message is specifically used to instruct the second called user terminal to redirect to the first logical network according to the network slice ID of the first logical network.
EXAMPLE seven
FIG. 11 is a block diagram of a communication system according to an embodiment of the present invention; as shown in fig. 11, the communication system according to the embodiment of the present invention includes: a first calling user terminal 111, a first called user terminal 112, a first network 113 and a second network 114; the second network 114 is different from the first network 113; wherein the content of the first and second substances,
the first calling user terminal 111 is configured to send a service request to the first network 113;
the first network 113 is configured to send first indication information to the first calling user terminal 111 when determining, based on the service request, that the serving network of the first called user terminal 112 is the second network 114;
the first calling user terminal 111 is further configured to redirect to a first logical network according to the first indication information, and perform service interworking with the first called user terminal in the second network 114 through the first logical network; the first logical network belongs to the first network 114.
In this embodiment of the present invention, the first network 113 is a service network of the first calling user terminal 111, and the first network may be a 5G network;
the service request carries user identification information of the called user, and the user identification information can be the IMSI of the called user and the like.
In an embodiment, the first network 113 is further configured to perform network division on the first network 113 to form a first logic network 1131; the first logical network 1131 belongs to the first network 113, and is a logical network interworking with the second network 114; the second network 114 may be a conventional 2/3/4G network, that is, the first logical network is a logical network interworking with a conventional 2/3/4G network, and may have a function of providing services of the conventional network.
In an embodiment, the first network 113 is specifically configured to parse the service request to obtain user identifier information of the called user, perform user database query based on the user identifier information, and determine that a serving network of the first called user terminal is the second network 114; the corresponding communication system also comprises a user database 115.
In an embodiment, the first indication information carries a network slice ID of the first logical network;
the first calling user terminal 111 is specifically configured to redirect to the first logical network according to the network slice ID of the first logical network carried by the first indication information.
In an embodiment, the first logical network 1131 is further configured to allocate radio resources to the first calling user terminal 111 and instruct the first calling user terminal to access; the radio resource is used for the first calling user terminal 111 to perform service interworking with a first called user terminal in a second network 114 through the first logical network 1131 by using the radio resource;
here, when the second network 114 is a conventional 2/3/4G network and the first network 113 is a 5G network, the radio resource is a low-bandwidth radio resource required for interworking with the conventional 2/3/4G network service.
The first logical network 1131 is further configured to register relevant information of the first calling user terminal 111 in the user database 115.
The first logic network 1131 is further configured to transparently transmit interaction information between the first calling user terminal and the first called user terminal in the second network.
Example eight
FIG. 12 is a block diagram of a communication system according to an embodiment of the present invention; as shown in fig. 12, the communication system according to the embodiment of the present invention includes: a second calling user terminal 121, a second called user terminal 122, a first network 123 and a second network 124; the second network 124 is different from the first network 123; wherein the content of the first and second substances,
the second calling user terminal 121, configured to send a service request to the second network 124;
the second network 124 is configured to send a second indication message to the first logical network 1231 when determining, based on the service request, that the serving network of the second called user terminal 122 is the first network 123; the first logical network 1231 belongs to the first network 123, and is a logical network divided from the first network 123 and interworking with the second network 124;
the first logical network 1231 is configured to send a paging message to the second called user terminal 122 according to the second indication information;
the second called user terminal 122 is configured to redirect to the first logical network 1231 according to the paging message, and perform service interworking with the second calling user terminal 122 in the second network 124 through the first logical network 1231.
Here, the second network 124 is a serving network of the second calling user terminal 121;
in practical application, the service request may be a voice service request, a short message service request, a video call service request, or the like, where the service request carries user identification information of a called user, and the user identification information may be an IMSI or the like of the called user;
in one embodiment, the first network may be a 5G network; the second network 124 may be a conventional 2/3/4G network.
In an embodiment, the second network 124 is specifically configured to parse the service request to obtain the subscriber identity information of the called subscriber, perform a subscriber database query based on the subscriber identity information, and determine that the serving network of the second called subscriber terminal is the first network.
In an embodiment, the paging message carries a network slice ID of the first logical network;
the second called user terminal 122 is specifically configured to redirect to the first logical network 1231 according to the network slice ID of the first logical network carried in the paging message.
In an embodiment, the first logical network 1231 is further configured to allocate radio resources to the second called user terminal 122 and instruct the second called user terminal 122 to access; the radio resource is used for the second called user terminal 122 to perform service interworking with a second calling user terminal in the second network 124 through the first logical network 1231 by using the radio resource;
here, when the second network 124 is a conventional 2/3/4G network and the first network 123 is a 5G network, the radio resource is a low-bandwidth radio resource required for interworking with the conventional 2/3/4G network service.
The first logical network 1231 is further configured to register the information related to the second called user terminal 121 with the user database 125.
The first logic network 1231 is further configured to transparently transmit the interaction information between the second called user terminal and the second calling user terminal in the second network.
Example nine
FIG. 13 is a block diagram of a communication device according to an embodiment of the present invention; as shown in fig. 13, the apparatus includes: a third receiving module 131 and a paging module 132; wherein the content of the first and second substances,
the third receiving module 131 is configured to receive second indication information sent by a second network; the second indication information is sent after the second network receives a service request sent by a second calling user terminal and determines that a service network of a second called user terminal is the first network based on the service request; the first network is different from the second network; the first logical network belongs to the first network;
the paging module 132 is configured to send a paging message to the second called user terminal based on the second indication information; the paging message is used for indicating the second called user terminal to redirect to the first logic network, and performing service intercommunication with the second calling user terminal in the second network through the first logic network.
In an embodiment, the apparatus further comprises a second allocating module 133, configured to allocate radio resources to the second called user terminal based on the capability of the second network; the wireless resource is used for the second called user terminal to perform service intercommunication with the second calling user terminal in a second network through the first logic network by using the wireless resource.
In the embodiment of the present invention, the first receiving module 91, the first determining module 92, the first sending module 93, the dividing module 94 and the allocating module 95 in the communication device, and the second receiving module 11, the second determining module 12, the second sending module 13, the third receiving module 131, the paging module 132 and the second allocating module 133 in the communication device may all be implemented by a Central Processing Unit (CPU) or a Digital Signal Processor (DSP), or a Field Programmable Gate Array (FPGA), or an Integrated Circuit (ASIC).
Here, it should be noted that: the above description related to the apparatus and system is similar to the above description of the method, and the description of the beneficial effects of the method is omitted for brevity. For technical details not disclosed in the embodiments of the apparatus and system of the present invention, reference is made to the description of the embodiments of the method of the present invention.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (24)
1. A method of communication, the method comprising:
a first network receives a service request sent by a first calling user terminal;
determining that a serving network of a first called user terminal is a second network based on the service request, wherein the second network is different from the first network;
sending first indication information to the first calling user terminal; the first indication information is used for indicating the first calling user terminal to be redirected to a first logic network, and performing service intercommunication with the first called user terminal in the second network through the first logic network; the first logical network belongs to the first network;
the first network is a fifth generation mobile communication 5G network; the second network is one of a second generation mobile communication 2G network, a third generation mobile communication 3G network and a fourth generation mobile communication 4G network.
2. The method of claim 1, wherein before the first network receives the service request sent by the first calling user terminal, the method further comprises:
performing network division on the first network to form the first logic network; the first logical network is a logical network interworking with the second network.
3. The method according to claim 1 or 2, wherein the service request carries subscriber identity information of a first called subscriber terminal;
the determining that the service network of the first called user terminal is the second network based on the service request includes:
and analyzing the service request to obtain the user identification information of the first called user terminal, and inquiring a user database based on the user identification information to determine that the service network of the first called user terminal is the second network.
4. The method according to claim 1 or 2, wherein the first indication information carries a network slice identity ID of the first logical network;
the first indication information is specifically used to indicate that the first calling user terminal is redirected to the first logical network according to the network slice ID of the first logical network.
5. The method according to claim 1 or 2, characterized in that the method further comprises:
the first logical network allocating radio resources to the first calling user terminal based on the capabilities of the second network; the wireless resource is used for the first calling user terminal to perform service intercommunication with the first called user terminal in a second network through the first logic network by using the wireless resource.
6. The method of claim 5, wherein after the first logical network allocates radio resources to the first calling user terminal based on the capabilities of the second network, the method further comprises:
and the first logic network transparently transmits the interactive information of the first calling user terminal and the first called user terminal in the second network.
7. A method of communication, the method comprising:
a second network receives a service request sent by a second calling user terminal;
determining a serving network of a second called user terminal as a first network based on the service request, wherein the first network is different from the second network;
sending second indication information to the first logic network; the first logical network belongs to the first network; the second indication information is used for indicating the first logic network to send a paging message to the second called user terminal; the paging message is used for indicating the second called user terminal to be redirected to the first logic network, and performing service intercommunication with the second calling user terminal in the second network through the first logic network;
the first network is a fifth generation mobile communication 5G network; the second network is one of a second generation mobile communication 2G network, a third generation mobile communication 3G network and a fourth generation mobile communication 4G network.
8. The method of claim 7, wherein the service request carries subscriber identity information of a called subscriber;
the determining that the serving network of the second called user terminal is the first network based on the service request includes:
and analyzing the service request to obtain the user identification information of the called user, inquiring a user database based on the user identification information, and determining the service network of the second called user terminal as the first network.
9. The method according to claim 7 or 8, wherein the paging message carries a network slice identity ID of the first logical network;
the paging message is specifically used to instruct the second called user terminal to redirect to the first logical network according to the network slice ID of the first logical network.
10. An apparatus for communication, the apparatus being located in a first network, the apparatus comprising: the device comprises a first receiving module, a first determining module and a first sending module; wherein the content of the first and second substances,
the first receiving module is used for receiving a service request sent by a first calling user terminal;
the first determining module is configured to determine, based on the service request, that a serving network of a first called user terminal is a second network, where the second network is different from the first network;
the first sending module is configured to send first indication information to the first calling user terminal; the first indication information is used for indicating the first calling user terminal to be redirected to a first logic network, and performing service intercommunication with the first called user terminal in the second network through the first logic network; the first logical network belongs to the first network;
the first network is a fifth generation mobile communication 5G network; the second network is one of a second generation mobile communication 2G network, a third generation mobile communication 3G network and a fourth generation mobile communication 4G network.
11. The apparatus of claim 10, further comprising a partitioning module configured to perform network partitioning on the first network to form the first logical network; the first logical network is a logical network interworking with the second network.
12. The apparatus according to claim 10 or 11, wherein the service request carries subscriber identity information of a first called subscriber terminal;
the first determining module is specifically configured to parse the service request to obtain user identifier information of the first called user terminal, perform user database query based on the user identifier information, and determine that the serving network of the first called user terminal is the second network.
13. The apparatus according to claim 10 or 11, wherein the first indication information carries a network slice identity ID of the first logical network;
the first indication information is specifically used to indicate that the first calling user terminal is redirected to the first logical network according to the network slice ID of the first logical network.
14. The apparatus of claim 10 or 11, further comprising a first distribution module, the first distribution module being located in the first logical network;
the first allocation module is configured to allocate radio resources to the first calling user terminal based on the capability of the second network; the wireless resource is used for the first calling user terminal to perform service intercommunication with the first called user terminal in a second network through the first logic network by using the wireless resource.
15. The apparatus of claim 14, wherein the first allocating module is further configured to transparently transmit the interaction information between the first calling user terminal and the first called user terminal in the second network.
16. An apparatus for communication, the apparatus being located in a second network, the apparatus comprising: the first receiving module, the first determining module and the first sending module are connected with the first receiving module; wherein the content of the first and second substances,
the second receiving module is used for receiving a service request sent by a second calling user terminal;
the second determining module is configured to determine, based on the service request, that a serving network of a second called user terminal is a first network, where the first network is different from the second network;
the second sending module is configured to send second indication information to the first logic network; the first logical network belongs to the first network; the second indication information is used for indicating the first logic network to send a paging message to the second called user terminal; the paging message is used for indicating the second called user terminal to be redirected to the first logic network, and performing service intercommunication with the second calling user terminal in the second network through the first logic network;
the first network is a fifth generation mobile communication 5G network; the second network is one of a second generation mobile communication 2G network, a third generation mobile communication 3G network and a fourth generation mobile communication 4G network.
17. The apparatus of claim 16, wherein the service request carries subscriber identity information of a called subscriber;
the second determining module is specifically configured to parse the service request to obtain user identification information of the called user, perform user database query based on the user identification information, and determine that the service network of the second called user terminal is the first network.
18. The apparatus according to claim 16 or 17, wherein the paging message carries a network slice identity ID of the first logical network;
the paging message is specifically used to instruct the called user terminal to redirect to the first logical network according to the network slice ID of the first logical network.
19. A method of communication, the method comprising:
the first logic network receives second indication information sent by the second network; the second indication information is sent after the second network receives a service request sent by a second calling user terminal and determines that a service network of a second called user terminal is the first network based on the service request; the first network is different from the second network; the first logical network belongs to the first network;
sending a paging message to the second called user terminal based on the second indication information; the paging message is used for indicating the second called user terminal to be redirected to the first logic network, and performing service intercommunication with the second calling user terminal in the second network through the first logic network;
the first network is a fifth generation mobile communication 5G network; the second network is one of a second generation mobile communication 2G network, a third generation mobile communication 3G network and a fourth generation mobile communication 4G network.
20. The method of claim 19, further comprising:
allocating radio resources to the second called user terminal based on the capabilities of the second network; the wireless resource is used for the second called user terminal to perform service intercommunication with the second calling user terminal in a second network through the first logic network by using the wireless resource.
21. A communications apparatus, the apparatus being located in a first logical network, the apparatus comprising: a third receiving module and a paging module; wherein the content of the first and second substances,
the third receiving module is configured to receive second indication information sent by a second network; the second indication information is sent after the second network receives a service request sent by a second calling user terminal and determines that a service network of a second called user terminal is the first network based on the service request; the first network is different from the second network; the first logical network belongs to the first network;
the paging module is configured to send a paging message to the second called user terminal based on the second indication information; the paging message is used for indicating the second called user terminal to be redirected to the first logic network, and performing service intercommunication with the second calling user terminal in the second network through the first logic network;
the first network is a fifth generation mobile communication 5G network; the second network is one of a second generation mobile communication 2G network, a third generation mobile communication 3G network and a fourth generation mobile communication 4G network.
22. The apparatus of claim 21, wherein the apparatus further comprises a second allocating module, configured to allocate radio resources to the second called user terminal based on the capability of the second network; the wireless resource is used for the second called user terminal to perform service intercommunication with the second calling user terminal in a second network through the first logic network by using the wireless resource.
23. A communication system, the system comprising: the system comprises a first calling user terminal, a first called user terminal, a first network and a second network; the second network is different from the first network;
the first calling user terminal is used for sending a service request to the first network;
the first network is used for sending first indication information to the first calling user terminal when the service network of the first called user terminal is determined to be a second network based on the service request;
the first calling user terminal is further configured to redirect to a first logical network according to the first indication information, and perform service interworking with the first called user terminal in the second network through the first logical network; the first logical network belongs to the first network;
the first network is a fifth generation mobile communication 5G network; the second network is one of a second generation mobile communication 2G network, a third generation mobile communication 3G network and a fourth generation mobile communication 4G network.
24. A communication system, the system comprising: a second calling user terminal, a second called user terminal, a first network and a second network; the second network is different from the first network; wherein the content of the first and second substances,
the second calling user terminal is used for sending a service request to the second network;
the second network is used for sending second indication information to the first logic network when the service network of the second called user terminal is determined to be the first network based on the service request; the first logical network belongs to the first network;
the first logic network is configured to send a paging message to the second called user terminal according to the second indication information;
the second called user terminal is used for redirecting to the first logic network according to the paging message and performing service intercommunication with the second calling user terminal in the second network through the first logic network;
the first network is a fifth generation mobile communication 5G network; the second network is one of a second generation mobile communication 2G network, a third generation mobile communication 3G network and a fourth generation mobile communication 4G network.
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