CN108882188B - Network switching system and method - Google Patents

Network switching system and method Download PDF

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CN108882188B
CN108882188B CN201811147953.5A CN201811147953A CN108882188B CN 108882188 B CN108882188 B CN 108882188B CN 201811147953 A CN201811147953 A CN 201811147953A CN 108882188 B CN108882188 B CN 108882188B
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service
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CN108882188A (en
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王文治
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China United Network Communications Group Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

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Abstract

The embodiment of the invention relates to a network switching system and a network switching method. The system comprises: module, network server and signaling service processing server, the module includes: trigger module, strategy execution module, search for the net module, trigger module is used for: sending a trigger instruction to a network searching module; the policy enforcement module is to: sending the pre-stored network searching strategy to a network searching module; when the network searching strategy is an NB-IOT network priority strategy, the network searching module is used for: searching the NB-IOT network according to the trigger instruction and the NB-IOT network priority strategy to obtain NB-IOT network information, and sending the NB-IOT network information to a network server; the network server is used for: the NB-IOT network information is sent to a signaling service processing server; the signaling service processing server is used for: and determining a heartbeat value between the signaling service processing server and the network searching module according to the NB-IOT network information, and sending a switching instruction to the module when the heartbeat value is smaller than a preset heartbeat threshold value. The technical effect of smooth switching between different networks is achieved.

Description

Network switching system and method
Technical Field
The embodiment of the invention relates to the technical field of internet, in particular to a network switching system and a network switching method.
Background
With the continuous development of internet technology and the continuous popularization of intelligent terminals (such as mobile phones), users have higher requirements on the response speed of the intelligent terminals.
In order to accelerate the response speed of the intelligent terminal, on one hand, the intelligent terminal can be improved so as to improve the operation speed of the intelligent terminal and further improve the response speed of the intelligent terminal. On the other hand, the network connected with the intelligent terminal can be upgraded so as to improve the response speed of the intelligent terminal.
In the prior art, various networks which can be connected with an intelligent terminal exist, and how to switch the intelligent terminal between different networks is a problem to be solved urgently.
Disclosure of Invention
To solve the foregoing technical problem, embodiments of the present invention provide a network switching system and method.
According to an aspect of an embodiment of the present invention, an embodiment of the present invention provides a network switching system, including: the module, network server and signaling service processing server, the module includes: a trigger module, a strategy execution module and a network searching module, wherein,
the trigger module is used for: sending the received trigger instruction to the network searching module;
the policy enforcement module is to: sending a pre-stored network searching strategy to the network searching module;
when the network searching strategy is an NB-IOT network priority strategy, the network searching module is configured to: searching an NB-IOT network according to the trigger instruction and the NB-IOT network priority strategy to obtain NB-IOT network information, and sending the NB-IOT network information to the network server;
the network server is configured to: sending the NB-IOT network information to the signaling service processing server;
the signaling service processing server is used for: and determining a heartbeat value between the signaling service processing server and the network searching module according to the NB-IOT network information, and sending a switching instruction to the module when the heartbeat value is smaller than a preset heartbeat threshold value.
The embodiment provides that: by the interactive technical scheme among the module, the network server and the signaling service processing server, the technical defect that the intelligent terminal cannot be normally used when the network is interrupted in the prior art is avoided, the user experience is improved, and the technical effect of smooth switching among different networks is realized.
Further, the web searching module comprises: an NB-IOT network searching submodule, wherein,
when the network searching policy is the NB-IOT network priority policy, the NB-IOT network searching sub-module is configured to: searching an NB-IOT network according to the trigger instruction and the NB-IOT network priority strategy to obtain NB-IOT network information, and sending the NB-IOT network information to the network server.
Further, the network server includes: a first home location register, wherein,
the NB-IOT network searching submodule is used for: sending the NB-IOT network information to the first home location register;
the first home location register is to: and sending the NB-IOT network information to the signaling service processing server.
Further, the signaling service processing server includes: a signaling voice exchange module, a signaling analysis module and a service processing module, wherein,
the first home location register is specifically configured to: sending the NB-IOT network information to the signaling voice exchange module;
the signaling voice exchange module is used for: carrying out format conversion on the NB-IOT network information to obtain an NB-IOT signaling, and sending the NB-IOT signaling to the signaling analysis module;
the signaling analysis module is used for: analyzing the NB-IOT signaling to obtain NB-IOT service, and sending the NB-IOT service to the service processing module;
the service processing module is used for: and determining the heartbeat value between the service processing module and the NB-IOT network searching submodule according to the received NB-IOT service.
Further, the network searching module further comprises: the GSM network searching submodule is used for searching the network, wherein,
the service processing module is further configured to: when the heartbeat value is smaller than the heartbeat threshold value, sending the switching instruction to the GSM network searching submodule;
the GSM network searching submodule is used for: and searching the GSM network according to the switching instruction to obtain GSM network information.
Further, the network server further includes: a second home location register, wherein,
the GSM network searching submodule is further configured to: sending the GSM network information to the second home location register;
the second home location register is to: sending the GSM network information to the signaling voice exchange module;
the signaling voice exchange module is further configured to: carrying out format conversion on the GSM network information to obtain a GSM signaling, and sending the GSM signaling to the signaling analysis module;
the signaling analysis module is used for: and analyzing the GSM signaling to obtain a GSM service, and sending the GSM service to the service processing module.
Further, the signaling service processing server further includes: an interface module, a charging processing module, wherein,
the service processing module is further configured to: sending the NB-IOT service and the GSM service to the interface module;
the interface module is used for: sending the NB-IOT service and the GSM service to the charging processing module;
the charging processing module is used for: and respectively carrying out charging processing on the NB-IOT service and the GSM service to obtain NB-IOT cost information corresponding to the NB-IOT service and GSM cost information corresponding to the GSM service.
Further, the signaling service processing server further includes: a data center module, wherein,
the charging processing module is further configured to: sending the NB-IOT service, the GSM service, the NB-IOT cost information and the GSM cost information to the data center module;
the data center module is used for: and storing the NB-IOT service, the GSM service, the NB-IOT cost information and the GSM cost information.
Further, when the service processing module does not receive the NB-IOT network information within a preset first time threshold, the service processing module is further configured to: and sending a heartbeat packet to the NB-IOT network searching submodule, and if the service processing module does not receive feedback information sent by the NB-IOT network searching submodule according to the heartbeat packet within a preset second time threshold value, sending the switching instruction to the GSM network searching submodule.
According to another aspect of the embodiments of the present invention, an embodiment of the present invention further provides a network handover method, where the method is based on the system according to any of the embodiments described above, and the method includes:
the triggering module sends the received triggering instruction to the network searching module;
the strategy execution module sends a pre-stored network searching strategy to the network searching module;
when the network searching strategy is an NB-IOT network priority strategy, the network searching module searches an NB-IOT network according to the trigger instruction and the NB-IOT network priority strategy to obtain NB-IOT network information, and sends the NB-IOT network information to a network server;
the network server sends the NB-IOT network information to a signaling service processing server;
and the signaling service processing server determines a heartbeat value between the signaling service processing server and the network searching module according to the NB-IOT network information, and sends a switching instruction to the module when the heartbeat value is smaller than a preset heartbeat threshold value.
Further, the network searching module searches an NB-IOT network according to the trigger instruction and the NB-IOT network priority policy to obtain NB-IOT network information, and sends the NB-IOT network information to a network server, specifically:
and the NB-IOT network searching sub-module searches an NB-IOT network according to the trigger instruction and the NB-IOT network priority strategy to obtain NB-IOT network information, and sends the NB-IOT network information to the network server.
Further, the NB-IOT network searching sub-module sends the NB-IOT network information to the network server, specifically: the NB-IOT network searching submodule sends the NB-IOT network information to the first home location register;
the network server sends the NB-IOT network information to a signaling service processing server, specifically: and the first home location register sends the NB-IOT network information to the signaling service processing server.
Further, the first hlr sends the NB-IOT network information to the signaling service processing server, specifically: the first home location register sends the NB-IOT network information to the signaling voice exchange module;
the signaling voice exchange module performs format conversion on the NB-IOT network information to obtain an NB-IOT signaling, and sends the NB-IOT signaling to the signaling analysis module;
the signaling analysis module analyzes the NB-IOT signaling to obtain NB-IOT service, and sends the NB-IOT service to the service processing module;
and the service processing module determines the heartbeat value between the service processing module and the NB-IOT network searching submodule according to the received NB-IOT service.
Further, the method further comprises:
when the heartbeat value is smaller than the heartbeat threshold value, the service processing module sends the switching instruction to the GSM network searching submodule;
and the GSM network searching submodule searches the GSM network according to the switching instruction to obtain GSM network information.
Further, the method further comprises:
the GSM network searching submodule sends the GSM network information to the second home location register;
the second home location register sends the GSM network information to the signaling voice exchange module;
the signaling voice exchange module carries out format conversion on the GSM network information to obtain a GSM signaling, and sends the GSM signaling to the signaling analysis module;
and the signaling analysis module analyzes the GSM signaling to obtain a GSM service, and sends the GSM service to the service processing module.
Further, the method further comprises:
the service processing module also sends the NB-IOT service and the GSM service to an interface module;
the interface module sends the NB-IOT service and the GSM service to a charging processing module;
and the charging processing module is used for respectively carrying out charging processing on the NB-IOT service and the GSM service to obtain NB-IOT cost information corresponding to the NB-IOT service and GSM cost information corresponding to the GSM service.
Further, the method further comprises:
the charging processing module sends the NB-IOT service, the GSM service, the NB-IOT cost information and the GSM cost information to a data center module;
and the data center module stores the NB-IOT service, the GSM service, the NB-IOT cost information and the GSM cost information.
Further, the method further comprises:
and if the service processing module does not receive feedback information sent by the NB-IOT network searching submodule according to the heartbeat packet within a preset second time threshold, the service processing module sends the switching instruction to the GSM network searching submodule.
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Fig. 1 is a schematic block diagram of a network switching system according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a network handover method according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a network handover method according to another embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as particular system structures, interfaces, techniques, etc. in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
The embodiment of the invention provides a network switching system and a network switching method.
According to an aspect of an embodiment of the present invention, an embodiment of the present invention provides a network switching system.
The first embodiment:
referring to fig. 1, fig. 1 is a block diagram of a network switching system according to an embodiment of the present invention.
As shown in fig. 1, the system includes: module, network server and signaling service processing server, the module includes: a trigger module, a strategy execution module and a network searching module, wherein,
the trigger module is used for: and sending the received trigger instruction to a network searching module.
The trigger module is used for receiving a trigger instruction. The triggering instruction refers to an instruction acquired by the triggering module when the network needs to be searched. The premise of the trigger module is that the terminal side restarts or the network searching module is in the signal blind area and needs to search the network again.
The policy enforcement module is to: and sending the pre-stored network searching strategy to a network searching module.
The strategy execution module is an executable file arranged in the module, and the file is written with a network searching strategy.
When the network searching strategy is an NB-IOT network priority strategy, the network searching module is used for: and searching the NB-IOT network according to the trigger instruction and the NB-IOT network priority strategy to obtain NB-IOT network information, and sending the NB-IOT network information to a network server.
The NB-IoT network is an air interface standard, which is mainly a convention between the terminal and the base station eNB, including some design specifications of the physical layer and the data link layer. The NB-IoT network standard has many similarities or similarities with the air interface standard of LTE in view of compatibility with LTE. Such as NB-IoT networks following LTE defined frequency bin numbers, Release 13 specifies 14 frequency bins for NB-IoT. In the multiple access technology of the NB-IoT network, SC-FDMA is adopted in the uplink, and OFDMA is adopted in the downlink; the downlink transmit power is 43dBm and the uplink is 23 dBm. The modulation scheme is mainly QPSK and BPSK. Release 13NB-IoT supports only FDD half-duplex type-B mode, FDD meaning that uplink and downlink are separated in frequency, half-duplex meaning that the UE does not process reception and transmission at the same time. The access network architecture of CIoT is the same as LTE, with no changes. The eNB is also connected to MME (mobility Management entity) and S-GW (serving gateway) via the S1 interface. If we say how different the CIoT access network is from LTE, then NB-IoT messages and data are transmitted over the S1 interface. The NB-IoT network is most characterized by low power consumption compared to GPRS. Besides the low transmission rate of the NB-IoT network, the NB-IoT network introduces eDRX power saving technology and PSM power saving mode, which are also the main reasons for power saving. In the PSM mode, the NB-IoT network terminal is still registered in the network, but does not accept signaling, so that the terminal stays in deep sleep for a longer time to achieve the purpose of power saving. In addition, the eDRX power saving technology prolongs the sleep cycle of the terminal in the idle mode and reduces unnecessary starting of the signal receiving unit. Generally, these measures make the terminal sleep for a longer time, and make the sleep quality better, and therefore make the power consumption lower.
Preferably, the network searching module comprises an NB-IOT network searching submodule. Specifically, the method comprises the following steps:
when the network searching strategy is an NB-IOT network priority strategy, the NB-IOT network searching submodule is configured to: and searching the NB-IOT network according to the trigger instruction and the NB-IOT network priority strategy to obtain NB-IOT network information, and sending the NB-IOT network information to a network server.
The network server is used for: and sending the NB-IOT network information to a signaling service processing server.
Preferably, the network server comprises: a first home location register, wherein,
the NB-IOT network searching submodule is used for: sending the NB-IOT network information to a first home location register;
the first home location register is to: and sending the NB-IOT network information to a signaling service processing server.
The signaling service processing server is used for: and determining a heartbeat value between the signaling service processing server and the network searching module according to the NB-IOT network information, and sending a switching instruction to the module when the heartbeat value is smaller than a preset heartbeat threshold value.
Wherein, the heartbeat threshold value is set according to the actual requirement. And when the heartbeat value is smaller than the heartbeat threshold value, the NB-IOT network is not stable, and the use experience of the user on the user terminal is influenced. Therefore, a switching instruction is sent to the module so that the module can switch the network, smooth switching between the networks is ensured, and the use experience of a user is met.
Second embodiment:
the present embodiment is based on the first embodiment. As shown in fig. 1, in this embodiment, the signaling service processing server includes: a signaling voice exchange module, a signaling analysis module and a service processing module, wherein,
the first home location register is specifically configured to: and sending the NB-IOT network information to a signaling voice exchange module.
The signaling voice exchange module is used for: and carrying out format conversion on the NB-IOT network information to obtain an NB-IOT signaling, and sending the NB-IOT signaling to a signaling analysis module.
The signaling voice exchange module is a core part for establishing connection and is responsible for the exchange function of signaling.
Preferably, the signaling voice switching module is further connected with a mobile switching center MSC, and the signaling voice switching module is provided with an E1 interface card and an SS7 signaling connection card with the MSC and the first home location register.
The signaling analysis module is used for: and analyzing the NB-IOT signaling to obtain NB-IOT service, and sending the NB-IOT service to the service processing module.
Wherein, the signaling analysis module controls the signaling voice exchange module. The communication interface of the signaling analysis module and the signaling voice exchange module is realized by an SOCKET interface of a TCP/IP protocol. And the communication interface of the signaling analysis module and the service processing module is also realized by an SOCKET interface of a TCP/IP protocol.
The service processing module is used for: and determining a heartbeat value between the service processing module and the NB-IOT network searching submodule according to the received NB-IOT service.
The third embodiment:
the present embodiment is based on the second embodiment. As shown in fig. 1, in the present embodiment, the network searching module further includes: the GSM network searching submodule is used for searching the network, wherein,
the service processing module is further configured to: and when the heartbeat value is smaller than the heartbeat threshold value, sending a switching instruction to the GSM network searching submodule.
That is, in this embodiment, the module has connectivity to NB-IOT networks and GSM networks. And when the NB-IOT network is stable, the user terminal is preferentially connected with the NB-IOT network. And when no NB-IOT network exists or the NB-IOT network is unstable, sending a switching instruction to the GSM network searching submodule so that the GSM network searching submodule searches the GSM network to switch to the GSM network, thereby realizing smooth switching between the networks.
Such as: in the area covered by the GSM network only, the module can be connected with the GSM network only. Namely, the network is searched by the network searching submodule of the network searching module for GSM network connection. When the area where the module is located is covered by the NB-IOT network and the GSM network does not exit, the NB-IOT network searching module searches the NB-IOT network and switches from the GSM network to the NB-IOT network.
The GSM network searching submodule is used for: and searching the GSM network according to the switching instruction to obtain the GSM network information.
Preferably, as shown in fig. 1, the network server further includes: a second home location register, wherein,
the GSM network searching submodule is further used for: and sending the GSM network information to a second home location register.
That is, the NB-IOT network searching sub-module sends the searched NB-IOT network information to the first home location register. And the GSM network searching submodule sends the searched GSM network information to a second home location register.
The first home location register and the second home location register are home location registers with the same model.
The first home location register and the second Home Location Register (HLR) are data centers of the system, which store the location information, service data, account management and other information of all the signed mobile subscribers in the HLR, and can provide the inquiry and modification of the location information of the subscribers in real time, and realize various service operations including location updating, call processing, authentication, supplementary services and the like, thereby completing the mobility management of the subscribers in the mobile communication network.
The second home location register is to: and sending the GSM network information to a signaling voice exchange module.
The signaling voice exchange module is further configured to: and converting the format of the GSM network information to obtain a GSM signaling, and sending the GSM signaling to the signaling analysis module.
The signaling analysis module is used for: and analyzing the GSM signaling to obtain a GSM service, and sending the GSM service to the service processing module.
The fourth embodiment:
the present embodiment is based on the third embodiment. As can be seen from fig. 1, the signaling service processing server further includes: an interface module, a charging processing module, wherein,
the service processing module is further configured to: and sending the NB-IOT service and the GSM service to an interface module.
The service processing module is deployed on the Unicom Wobbe, provides a service request for the signaling analysis module, and processes the user number and the user service information.
The interface module is used for: and sending the NB-IOT service and the GSM service to a charging processing module.
The charging processing module is used for: and respectively carrying out charging processing on the NB-IOT service and the GSM service to obtain NB-IOT cost information corresponding to the NB-IOT service and GSM cost information corresponding to the GSM service.
Fifth embodiment:
the present embodiment is based on the fourth embodiment. As can be seen from fig. 1, the signaling service processing server further includes: a data center module, wherein,
the charging processing module is further configured to: the NB-IOT service, the GSM service, the NB-IOT cost information and the GSM cost information are sent to a data center module;
the data center module is used for: and storing the NB-IOT service, the GSM service, the NB-IOT cost information and the GSM cost information.
Sixth embodiment:
the present embodiment is based on any one of the third to fifth embodiments. In this embodiment, when the service processing module does not receive NB-IOT network information within the preset first time threshold, the service processing module is further configured to: and sending a heartbeat packet to the NB-IOT network searching submodule, and if the service processing module does not receive feedback information sent by the NB-IOT network searching submodule according to the heartbeat packet within a preset second time threshold value, sending a switching instruction to the GSM network searching submodule.
The first time threshold and the second time threshold can be set according to requirements. If no NB-IOT network information is received by the traffic processing module within the first time threshold, it is indicated that the NB-IOT network may have been interrupted. Then, the signaling service processing server sends a heartbeat packet to the NB-IOT network searching submodule. If the service processing module does not receive the feedback information sent by the NB-IOT network searching submodule according to the heartbeat packet within the second time threshold, the NB-IOT network is actually interrupted, and the service processing module sends a switching instruction to the GSM network searching submodule so that the GSM network searching submodule searches the GSM network according to the switching instruction, and smooth switching of the NB-IOT network to the GSM network is achieved.
According to another aspect of the embodiments of the present invention, there is provided a network handover method, which is based on the system according to any one of the first to sixth embodiments.
Referring to fig. 2, fig. 2 is a flowchart illustrating a network handover method according to an embodiment of the present invention.
As shown in fig. 2, the method includes:
s100: and the triggering module sends the received triggering instruction to the network searching module.
S200: and the strategy execution module sends the pre-stored network searching strategy to the network searching module.
S300: and when the network searching strategy is the NB-IOT network priority strategy, the network searching module searches the NB-IOT network according to the triggering instruction and the NB-IOT network priority strategy to obtain NB-IOT network information and sends the NB-IOT network information to the network server.
S400: and the network server sends the NB-IOT network information to a signaling service processing server.
S500: and the signaling service processing server determines a heartbeat value between the signaling service processing server and the network searching module according to the NB-IOT network information, and sends a switching instruction to the module when the heartbeat value is smaller than a preset heartbeat threshold value.
In a possible implementation scheme, please refer to fig. 3, and fig. 3 is a flowchart illustrating a network handover method according to another embodiment of the present invention.
As shown in fig. 3, the method includes:
s1: and the triggering module sends the received triggering instruction to the network searching module.
S2: and the strategy execution module sends the pre-stored network searching strategy to the network searching module.
S3: and when the network searching strategy is an NB-IOT network priority strategy, the NB-IOT network searching sub-module searches the NB-IOT network according to the trigger instruction and the NB-IOT network priority strategy to obtain NB-IOT network information, and sends the NB-IOT network information to the first home location register.
S4: and the first home location register sends the NB-IOT network information to the signaling voice exchange module.
S5: and the signaling voice exchange module performs format conversion on the NB-IOT network information to obtain an NB-IOT signaling, and sends the NB-IOT signaling to the signaling analysis module.
S6: and the signaling analysis module analyzes the NB-IOT signaling to obtain NB-IOT service and sends the NB-IOT service to the processing module.
S7: and the service processing module determines a heartbeat value between the service processing module and the NB-IOT network searching submodule according to the received NB-IOT service, and sends a switching instruction to the GSM network searching submodule when the heartbeat value is smaller than a preset heartbeat threshold value.
S8: and the GSM network searching submodule searches the GSM network according to the switching instruction to obtain GSM network information.
S9: and the GSM network searching submodule sends the GSM network information to a second home location register.
S10: and the second home location register sends the GSM network information to the signaling voice exchange module.
S11: the signaling voice exchange module carries out format conversion on the GSM network information to obtain a GSM signaling, and sends the GSM signaling to the signaling analysis module.
S12: the signaling analysis module analyzes the GSM signaling to obtain a GSM service, and sends the GSM service to the service processing module.
S13: the service processing module also sends the NB-IOT service and the GSM service to the interface module.
S14: and the interface module sends the NB-IOT service and the GSM service to a charging processing module.
S15: and the charging processing module is used for respectively carrying out charging processing on the NB-IOT service and the GSM service to obtain NB-IOT cost information corresponding to the NB-IOT service and GSM cost information corresponding to the GSM service.
S16: and the charging processing module sends the NB-IOT service, the GSM service, the NB-IOT cost information and the GSM cost information to the data center module.
S17: and the data center module stores the NB-IOT service, the GSM service, the NB-IOT cost information and the GSM cost information.
In one possible implementation, the method further includes:
and if the service processing module does not receive feedback information sent by the NB-IOT network searching submodule according to the heartbeat packet within a preset second time threshold, the service processing module sends a switching instruction to the GSM network searching submodule.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It should also be understood that, in the embodiments of the present invention, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A network switching system, the system comprising: the module, network server and signaling service processing server, the module includes: a trigger module, a strategy execution module and a network searching module, wherein,
the trigger module is used for: sending the received trigger instruction to the network searching module;
the policy enforcement module is to: sending a pre-stored network searching strategy to the network searching module;
when the network searching strategy is an NB-IOT network priority strategy, the network searching module is configured to: searching an NB-IOT network according to the trigger instruction and the NB-IOT network priority strategy to obtain NB-IOT network information, and sending the NB-IOT network information to the network server;
the network server is configured to: sending the NB-IOT network information to the signaling service processing server;
the signaling service processing server is used for: determining a heartbeat value between the signaling service processing server and the network searching module according to the NB-IOT network information, and sending a switching instruction to the module when the heartbeat value is smaller than a preset heartbeat threshold value;
the signaling service processing server comprises: the system comprises a signaling voice exchange module, a signaling analysis module and a service processing module, wherein the signaling voice exchange module is used for: carrying out format conversion on the NB-IOT network information to obtain an NB-IOT signaling, and sending the NB-IOT signaling to the signaling analysis module;
the signaling analysis module is used for: analyzing the NB-IOT signaling to obtain NB-IOT service, and sending the NB-IOT service to the service processing module;
the service processing module is used for: and determining the heartbeat value between the service processing module and the NB-IOT network searching submodule according to the received NB-IOT service.
2. The network switching system according to claim 1, wherein the network searching module comprises: an NB-IOT network searching submodule, wherein,
when the network searching policy is the NB-IOT network priority policy, the NB-IOT network searching sub-module is configured to: searching an NB-IOT network according to the trigger instruction and the NB-IOT network priority strategy to obtain NB-IOT network information, and sending the NB-IOT network information to the network server.
3. The network switching system according to claim 2, wherein the network server comprises: a first home location register, wherein,
the NB-IOT network searching submodule is used for: sending the NB-IOT network information to the first home location register;
the first home location register is to: and sending the NB-IOT network information to the signaling service processing server.
4. The network switching system of claim 3, wherein the first home location register is specifically configured to: and sending the NB-IOT network information to the signaling voice exchange module.
5. The network switching system according to claim 4, wherein the network searching module further comprises: the GSM network searching submodule is used for searching the network, wherein,
the service processing module is further configured to: when the heartbeat value is smaller than the heartbeat threshold value, sending the switching instruction to the GSM network searching submodule;
the GSM network searching submodule is used for: and searching the GSM network according to the switching instruction to obtain GSM network information.
6. The network switching system of claim 5, wherein the network server further comprises: a second home location register, wherein,
the GSM network searching submodule is further configured to: sending the GSM network information to the second home location register;
the second home location register is to: sending the GSM network information to the signaling voice exchange module;
the signaling voice exchange module is further configured to: carrying out format conversion on the GSM network information to obtain a GSM signaling, and sending the GSM signaling to the signaling analysis module;
the signaling analysis module is used for: and analyzing the GSM signaling to obtain a GSM service, and sending the GSM service to the service processing module.
7. The network switching system of claim 6, wherein the signaling traffic processing server further comprises: an interface module, a charging processing module, wherein,
the service processing module is further configured to: sending the NB-IOT service and the GSM service to the interface module;
the interface module is used for: sending the NB-IOT service and the GSM service to the charging processing module;
the charging processing module is used for: and respectively carrying out charging processing on the NB-IOT service and the GSM service to obtain NB-IOT cost information corresponding to the NB-IOT service and GSM cost information corresponding to the GSM service.
8. The network switching system of claim 7, wherein the signaling traffic processing server further comprises: a data center module, wherein,
the charging processing module is further configured to: sending the NB-IOT service, the GSM service, the NB-IOT cost information and the GSM cost information to the data center module;
the data center module is used for: and storing the NB-IOT service, the GSM service, the NB-IOT cost information and the GSM cost information.
9. The network switching system according to any one of claims 5 to 8,
when the service processing module does not receive the NB-IOT network information within a preset first time threshold, the service processing module is further configured to: and sending a heartbeat packet to the NB-IOT network searching submodule, and if the service processing module does not receive feedback information sent by the NB-IOT network searching submodule according to the heartbeat packet within a preset second time threshold value, sending the switching instruction to the GSM network searching submodule.
10. A network handover method, wherein the method is based on the system of any one of claims 1 to 9, and wherein the method comprises:
the triggering module sends the received triggering instruction to the network searching module;
the strategy execution module sends a pre-stored network searching strategy to the network searching module;
when the network searching strategy is an NB-IOT network priority strategy, the network searching module searches an NB-IOT network according to the trigger instruction and the NB-IOT network priority strategy to obtain NB-IOT network information, and sends the NB-IOT network information to a network server;
the network server sends the NB-IOT network information to a signaling service processing server;
the signaling service processing server determines a heartbeat value between the signaling service processing server and the network searching module according to the NB-IOT network information, and sends a switching instruction to the module when the heartbeat value is smaller than a preset heartbeat threshold value;
the signaling service processing server comprises: the signaling voice exchange module carries out format conversion on the NB-IOT network information to obtain an NB-IOT signaling, and sends the NB-IOT signaling to the signaling analysis module;
the signaling analysis module analyzes the NB-IOT signaling to obtain NB-IOT service, and sends the NB-IOT service to the service processing module;
and the service processing module determines the heartbeat value between the service processing module and the NB-IOT network searching submodule according to the received NB-IOT service.
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