WO2014187384A1

WO2014187384A1 - Method for mobile terminal automatic adaptation for network switchover and mobile terminal

Info

Publication number: WO2014187384A1
Application number: PCT/CN2014/078828
Authority: WO
Inventors: 高静
Original assignee: 中兴通讯股份有限公司
Priority date: 2013-07-30
Filing date: 2014-05-29
Publication date: 2014-11-27
Also published as: CN104349412A

Abstract

The present invention relates to a method for mobile terminal automatic adaptation for network switchover and a mobile terminal. The method comprises: when no wireless local area network signal is present or the signal strength of a wireless local area network signal is less than a predetermined value, the mobile terminal acquires mobile communication network interface information of a mobile communication unit of the mobile terminal; the mobile terminal determines an interface type corresponding to the acquired interface information; and, the mobile terminal controls the communication unit thereof, on the basis of a network connection scheme corresponding to the determined interface type, to switch from the wireless local area network and to connect to a mobile communication network. This implements on the mobile terminal a switchover of networks and allows a user to fulfill a need for connection to the Internet at anytime and anywhere.

Description

The present invention relates to the field of mobile terminal technologies, and in particular, to a method for a mobile terminal to automatically adapt a handover network and a mobile terminal. BACKGROUND OF THE INVENTION Existing mobile terminals, such as tablet computers and BOX (Set Top Box), are mostly single WIFI (Wireless Fidelity) versions of terminals. Therefore, a single WIFI version of the terminal can only implement the Internet access function in a scenario with WIFI network coverage. Although the mobile communication unit can be used to implement the Internet access function and is not limited by the scene, there are many types of mobile communication units, due to different manufacturers. The port combination and status information of each mobile communication unit are different, and the suitable dial-up networking method is also different. Therefore, when the mobile terminal performs a network connection with the mobile communication unit, the network connection mode supported by the mobile communication unit port and the mobile terminal is inconsistent, resulting in failure to implement the Internet access function, reducing the user experience, and failing to satisfy the user anytime and anywhere. Internet needs. SUMMARY OF THE INVENTION The embodiments of the present invention provide a method for automatically adapting a handover network to a mobile terminal and a mobile terminal, which are designed to improve the user experience and meet the requirement that the user can access the Internet anytime and anywhere. An embodiment of the present invention provides a method for automatically adapting a handover network to a mobile terminal, including: when a signal strength of a wireless local area network signal or a wireless local area network signal is less than a preset value, the mobile terminal acquires a mobile communication network of the mobile communication unit thereof. The interface information is determined by the mobile terminal to determine the interface type corresponding to the acquired interface information. The mobile terminal controls the mobile communication unit to switch from the wireless local area network and connect to the mobile communication network based on the determined network connection mode corresponding to the interface type. Optionally, the step of determining, by the mobile terminal, the interface type corresponding to the acquired interface information, is: the mobile terminal analyzing whether the interface parameter of the interface information is consistent with the ECM interface parameter, if the interface parameter and the ECM interface parameter of the interface information Consistently, determining that the interface type corresponding to the acquired interface information is an ECM interface type; and/or the mobile terminal sends a QMI instruction to the communication interface of the mobile communication unit according to the interface information, and analyzing whether the mobile communication unit is The QMI command is responsive, and if the mobile communication unit responds to the QMI command, it is determined that the interface type corresponding to the acquired interface information is a DIS interface class. And/or the mobile terminal transmits an AT command to the communication interface of its mobile communication unit according to the interface information, and analyzes whether the mobile communication unit responds to the AT command, if the mobile communication unit pairs the AT If the command is responsive, the interface type corresponding to the obtained interface information is determined to be the RAS interface type. Optionally, the step of determining that the interface type corresponding to the obtained interface information is a RAS interface type includes: the mobile terminal determining, by the mobile communication unit, the number of interfaces that respond to the AT command; if the number of the interfaces is two, Then, the mobile terminal determines that the interface type corresponding to the interface information is an AT interface in the RAS interface type. If the number of the interface is three, the mobile terminal determines that the interface type corresponding to the interface information is a Modem interface in the RAS interface type. Optionally, the step of controlling, by the mobile terminal, the mobile communication unit to switch from the wireless local area network and connecting to the mobile communication network according to the network connection manner corresponding to the determined interface type comprises: the mobile terminal corresponding to the determined ECM interface type Network connection mode, controlling its mobile communication unit to switch from the wireless local area network and connecting to the mobile communication network; or the mobile terminal controlling its mobile communication unit from the wireless local area network based on the determined network connection mode corresponding to the NDIS interface type Switching and connecting to the mobile communication network; or the mobile terminal controls its mobile communication unit to switch from the wireless local area network and connect to the mobile communication network based on the determined network connection mode corresponding to the RAS interface type. Optionally, after the step of controlling the mobile communication unit to switch from the wireless local area network and connecting to the mobile communication network, the method further includes: when the signal strength of the wireless local area network signal or the wireless local area network signal is greater than a preset value, The mobile terminal controls its mobile communication unit to switch from the mobile communication network to the wireless local area network. An embodiment of the present invention further provides a mobile terminal that automatically adapts a handover network, where the mobile terminal includes a mobile communication unit that performs mobile communication with a mobile communication network, and the mobile terminal further includes: an acquisition module, configured to have no wireless local area network signal Or the mobile communication network interface information of the mobile communication unit is obtained when the signal strength of the wireless local area network signal is less than a preset value; the determining module is configured to determine an interface type corresponding to the acquired interface information; and the switching module is set to be determined based on the determined And a network connection manner corresponding to the interface type, controlling the mobile communication unit to switch from the wireless local area network and connect to the mobile communication network. Optionally, the determining module is configured to: analyze whether the interface parameter of the interface information is consistent with the ECM interface parameter, and if the interface parameter of the interface information is consistent with the ECM interface parameter, determine the interface type corresponding to the acquired interface information. And transmitting an QMI instruction to the communication interface of the mobile communication unit according to the interface information, and analyzing whether the mobile communication unit is responsive to the QMI command, if the mobile communication unit is The QMI command responds, and determines that the interface type corresponding to the acquired interface information is a DIS interface type; and/or sends an AT command to the communication interface of the mobile communication unit according to the interface information, And analyzing whether the mobile communication unit is responsive to the AT command, and if the mobile communication unit responds to the AT command, determining that the interface type corresponding to the acquired interface information is a RAS interface type. Optionally, the determining module is configured to: determine a number of interfaces that the mobile communication unit responds to the AT command; if the number of the interfaces is two, determine that the interface type corresponding to the interface information is a RAS interface type If the number of the interfaces is three, the interface type corresponding to the interface information is determined as a Modem interface in the RAS interface type. Optionally, the switching module is configured to: control, according to the determined network connection manner corresponding to the ECM interface type, the mobile communication unit to switch from the wireless local area network and connect to the mobile communication network; or based on the determined NDIS interface type Corresponding network connection mode, controlling the mobile communication unit to switch from the wireless local area network and connecting to the mobile communication network; or controlling the mobile communication unit from the wireless local area network based on a determined network connection manner corresponding to the RAS interface type Switch and connect to the mobile communication network. Optionally, the switching module is further configured to: when the signal strength of the wireless local area network signal or the wireless local area network signal is greater than a preset value, control the mobile communication unit to switch from the mobile communication network to the wireless local area network Network. The embodiment of the present invention obtains the mobile communication network interface information of the mobile communication unit when the signal strength of the wireless local area network signal or the wireless local area network signal is less than the preset value, and corresponds to the interface type and the interface type corresponding to the determined interface information. The network connection mode controls the mobile communication unit to quickly and accurately switch from the wireless local area network and connect to the mobile communication network, thereby realizing the switching of the network on the mobile terminal, so that the user can realize the Internet access requirement anytime and anywhere. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a flowchart of a specific implementation of a first preferred embodiment of a method for automatically adapting a handover network to a mobile terminal according to the present invention; FIG. 2 is a detailed flowchart of a preferred embodiment of step S02 of FIG. A specific implementation flowchart of a second preferred embodiment of a method for automatically adapting a handover network to a mobile terminal according to the present invention; FIG. 4 is a functional block diagram of a preferred embodiment of a mobile terminal for automatically adapting a handover network according to the present invention. The implementation, functional features, and advantages of the present invention will be further described with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The technical solutions of the present invention will be further described below with reference to the accompanying drawings and specific embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. As shown in FIG. 1, a specific implementation flowchart of a first preferred embodiment of a method for automatically adapting a handover network to a mobile terminal according to the present invention is shown. The method for automatically adapting a handover network by the mobile terminal provided in this example includes: Step S01: When there is no wireless local area network signal or the signal strength of the wireless local area network signal is less than a preset value, the mobile terminal acquires mobile communication of the mobile communication unit thereof. Network interface information; In this embodiment, the mobile terminal acquires interface information of the mobile communication network of its mobile communication unit when the network parameters of the wireless local area network are not read (ie, there is no wireless local area network signal). The above interface information includes: interface parameters and other related information. The network parameters include: the name of the WIFI hotspot, the Mac (Media Access Control) address, the SID (Security Identifiers), and the like. In other embodiments of the present invention, the mobile terminal acquires mobile communication network interface information of the mobile communication unit when the signal strength of the wireless local area network signal is less than a preset value. The above preset value may be any value indicating the strength of the above signal, for example, 2 Mbps (megabits per second) or 3 Mbps (megabits per second), which is not limited herein. When the signal strength is less than the preset value, it indicates that the current WLAN signal is not available. Step S02: The mobile terminal determines the interface type corresponding to the acquired interface information. The mobile terminal sends a corresponding instruction according to the interface parameter for analyzing the interface information or the communication interface of the mobile communication unit according to the interface information, and determines the corresponding interface information. Interface Type. The interface parameters include parameters, such as classes, subclasses, protocols, and the like of the foregoing interfaces. In this embodiment, the interface parameters of the interface information are preferentially analyzed. Only when the interface parameters of the interface information are not consistent with the parameters of the ECM (Ethernet Control Model) interface, the mobile communication unit is sent according to the interface information. The communication interface polls the relevant instruction to determine the interface type corresponding to the acquired interface information. Among them, related instructions include QMI (Qualcomm Message Interface) commands and AT commands. Step S03: The mobile terminal controls its mobile communication unit to switch from the wireless local area network and connect to the mobile communication network based on the determined network connection mode corresponding to the interface type. The mobile terminal controls its mobile communication unit to switch from the wireless local area network and connect to the mobile communication network according to the network connection mode corresponding to the interface type determined by the mobile terminal. The interface types include: an ECM (Ethernet Control Model) interface, an NDIS (Network Driver Interface Specification) interface, and a RAS (Remote Access Service) interface. The mobile communication unit includes a data card, a data module, and the like. Specifically, the mobile terminal controls its mobile communication unit to switch from the wireless local area network and connects to the mobile communication network based on the determined network connection mode corresponding to the ECM interface type; or the mobile terminal determines a network connection manner corresponding to the NDIS interface type, Controlling its mobile communication unit to switch from the above wireless local area network and connecting to the mobile communication network; or the mobile terminal controls its mobile communication unit to switch from the wireless local area network and connect to the mobile communication network based on the determined network connection mode corresponding to the RAS interface type . Wherein, when the network connection is performed based on the determined network connection mode of the ECM interface type, the corresponding kernel driver of the ECM interface needs to be loaded first, and the data interaction with the mobile communication unit is completed by sending an AT command. In other embodiments of the present invention, when the mobile communication unit has at least two communication interfaces responsive to the AT command, it indicates that the mobile communication unit is a normal multi-port mobile communication unit. The embodiment of the present invention obtains the mobile communication network interface information of the mobile communication unit when the signal strength of the wireless local area network signal or the wireless local area network signal is less than the preset value, and corresponds to the interface type and the interface type corresponding to the determined interface information. The network connection mode controls the mobile communication unit to quickly and accurately switch from the above WLAN and connect to the mobile communication network, thereby realizing the switching of the network on the mobile terminal, so that the user can realize the Internet access requirement anytime and anywhere. As shown in FIG. 2, it is a detailed flowchart of the preferred embodiment of step S02 in FIG. Step S02 further includes: Step S021: The mobile terminal analyzes whether the interface parameter of the acquired interface information is consistent with the ECM interface parameter. If the interface parameters of the obtained interface information are consistent with the ECM interface parameters, the process proceeds to the following step S023, or if the interface parameters of the acquired interface information are inconsistent with the ECM interface parameters, the process proceeds to the following steps S022 o S023. The mobile terminal determines that the interface type corresponding to the obtained interface information is an ECM interface type.

S022. The mobile terminal sends a QMI command to the communication interface of the mobile communication unit according to the interface information. Step S024: The mobile terminal analyzes whether the mobile communication unit has responded to the QMI command. If the mobile communication unit responds to the QMI command, then proceeds to perform the following step S026, or if the mobile communication unit does not respond to the QMI command, then proceeds to perform the following step S025;

S026, the interface type that the mobile terminal determines to obtain the interface information is a DIS interface type.

S025. The mobile terminal sends an AT command to the communication interface of the mobile communication unit according to the interface information. Step S027: The mobile terminal analyzes whether the mobile communication unit has responded to the AT command. If the mobile communication unit responds to the AT command, the mobile terminal determines that the interface type corresponding to the acquired interface information is a RAS interface type. Further, the step of determining, by the mobile terminal, that the interface type corresponding to the acquired interface information is the RAS interface type includes: S028, the mobile terminal determines the number of interfaces that the mobile communication unit responds to the AT command; if the number of the interfaces is two, The process proceeds to the following step S029, or, if the number of the interfaces is three, the process proceeds to the following step S030.

S029, if the number of the interfaces is two, the mobile terminal determines that the interface type corresponding to the interface information is an AT interface in the RAS interface type; S030, if the number of the interfaces is three, the mobile terminal determines that the interface type corresponding to the interface information is

Modem interface in the RAS interface type. As shown in FIG. 3, a specific implementation flowchart of a second preferred embodiment of a method for automatically adapting a handover network to a mobile terminal according to the present invention is shown. A second embodiment of the method for automatically adapting the switching network of the mobile terminal of the present invention is provided based on the first embodiment. In the embodiment, after step S03, the method further includes: Step S04, the signal having the wireless local area network signal or the wireless local area network signal When the intensity is greater than the preset value, the mobile terminal controls its mobile communication unit to switch from the above mobile communication network to the wireless local area network. In this embodiment, when it is detected that the signal strength of the wireless local area network signal or the wireless local area network signal is greater than a preset value, the user is prompted to switch from the current mobile data network to the wireless local area network. When the user agrees to switch from the mobile data network to the wireless local area network, there is no need to specially set the wireless local area network to automatically connect to the previously connected WIFI hotspot. When the WIFI hotspot is connected, the mobile data network is disconnected. Open. Therefore, the user can grasp the current situation of the current wireless local area network, and quickly and conveniently switch from the mobile data network to the wireless local area network according to the demand. The preset value may be any value that indicates the strength of the signal, for example, 2 Mbps (megabits per second) or 3 Mbps (megabits per second), which is not limited herein. When the signal strength is greater than the preset value, it indicates that the current WLAN signal is available. As shown in FIG. 4, the present invention automatically adapts the functional block diagram of the preferred embodiment of the mobile terminal of the handover network. The mobile terminal automatically adapting the switching network provided by the example includes: an acquiring module 01, configured to acquire the mobile communication of the mobile communication unit when the signal strength of the wireless local area network signal or the wireless local area network signal is less than a preset value Network interface information; In this embodiment, the acquisition module 01 acquires interface information of the mobile communication network of its mobile communication unit when the network parameters of the wireless local area network are not read (ie, there is no wireless local area network signal). The above interface information includes: interface parameters and other related information. The network parameters include: the name of the WIFI hotspot, the Mac (Media Access Control) address, the SID (Security Identifiers), and so on. In other embodiments of the present invention, the acquiring module 01 acquires mobile communication network interface information of the mobile communication unit when the signal strength of the wireless local area network signal is less than a preset value. The above preset value may be any value indicating the strength of the above signal, for example, 2 Mbps (megabits per second) or 3 Mbps (megabits per second), which is not limited herein. When the signal strength is less than the preset value, it indicates that the current WLAN signal is not available. The determining module 02 is configured to determine the interface type corresponding to the acquired interface information; the determining module 02 sends a corresponding instruction according to the interface parameter for analyzing the interface information or according to the interface information to the communication interface of the mobile communication unit, and determines the acquired interface information. The corresponding interface type. The interface parameters include parameters, such as classes, subclasses, protocols, and the like of the foregoing interfaces. In this embodiment, the interface parameters of the interface information are preferentially analyzed. Only when the interface parameters of the interface information are not consistent with the parameters of the ECM interface, the communication interface of the mobile communication unit is polled and sent according to the interface information. Determine the interface type corresponding to the obtained interface information. Among them, related instructions include QMI instructions and AT commands. The switching module 03 is configured to control the mobile communication unit to switch from the wireless local area network and connect to the mobile communication network based on the determined network connection mode corresponding to the interface type. The switching module 03 controls its mobile communication unit to switch from the wireless local area network and connect to the mobile communication network according to the network connection mode corresponding to the interface type determined by the determining module 02. The above interface types include:

ECM interface, DIS interface, RAS interface, etc. The mobile communication unit includes a data card, a data module, and the like. Specifically, the switching module 03 controls its mobile communication unit to switch from the wireless local area network and connects to the mobile communication network based on the determined network connection mode corresponding to the ECM interface type; or the switching module 03 determines the network connection corresponding to the NDIS interface type. And controlling the mobile communication unit to switch from the wireless local area network and connect to the mobile communication network; or the switching module 03 controls the mobile communication unit to switch from the wireless local area network and connect to the mobile communication network according to the determined network connection mode corresponding to the RAS interface type; Mobile communication network. Wherein, when the network connection is performed based on the determined network connection mode of the ECM interface type, the corresponding kernel driver of the ECM interface needs to be loaded first, and the data interaction with the mobile communication unit is completed by sending an AT command. In other embodiments of the present invention, when the mobile communication unit has at least two communication interfaces responsive to the AT command, it indicates that the mobile communication unit is a normal multi-port mobile communication unit. The embodiment of the present invention obtains the mobile communication network interface information of the mobile communication unit when the signal strength of the wireless local area network signal or the wireless local area network signal is less than the preset value, and corresponds to the interface type and the interface type corresponding to the determined interface information. The network connection mode controls the mobile communication unit to quickly and accurately switch from the above WLAN and connect to the mobile communication network, thereby realizing the switching of the network on the mobile terminal, so that the user can realize the Internet access requirement anytime and anywhere. Further, the determining module 02 is configured to: analyze whether the interface parameter of the obtained interface information is consistent with the ECM interface parameter, and if the interface parameter of the acquired interface information is consistent with the ECM interface parameter, determine that the interface type corresponding to the obtained interface information is ECM interface type; or if the interface parameter of the obtained interface information is inconsistent with the ECM interface parameter, send a QMI command to the communication interface of the mobile communication unit according to the interface information, and analyze whether the mobile communication unit responds to the QMI command. If the mobile communication unit responds to the QMI command, determine that the interface type corresponding to the acquired interface information is a DIS interface type; or if the mobile communication unit does not respond to the QMI command, move the communication unit according to the interface information. The communication interface sends an AT command, and analyzes whether the mobile communication unit responds to the AT command. If the mobile communication unit responds to the AT command, it determines that the interface type corresponding to the acquired interface information is a RAS interface type. Further, the determining module 02 is further configured to determine the number of interfaces that the mobile communication unit responds to the AT command; if the number of the interfaces is two, determine that the interface type corresponding to the interface information is an AT interface in the RAS interface type; If the number of the interfaces is three, the interface type corresponding to the interface information is determined to be a Modem interface in the RAS interface type. Further, the switching module 03 is further configured to control the mobile communication unit to switch from the mobile communication network to the wireless local area network when the signal strength of the wireless local area network signal or the wireless local area network signal is greater than a preset value. In this embodiment, when it is detected that the signal strength of the wireless local area network signal or the wireless local area network signal is greater than a preset value, the user is prompted to switch from the current mobile data network to the wireless local area network. When the user agrees to switch from the mobile data network to the wireless local area network, there is no need to specially set the wireless local area network to automatically connect to the WIFI hotspot that has been connected before. When the WIFI hotspot is connected, the mobile data network is disconnected. Therefore, the user can grasp the current situation of the current wireless local area network, and quickly and conveniently switch from the mobile data network to the wireless local area network according to the demand. The preset value may be any value that indicates the strength of the signal, for example, 2 Mbps (megabits per second) or 3 Mbps (megabits per second), which is not limited herein. When the signal strength is greater than the preset value, it indicates that the current WLAN signal is available. The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structural changes made by the specification and the drawings of the present invention are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims

The method of claim, a method for automatically adapting a handover network to a mobile terminal, comprising:

When there is no wireless local area network signal or the signal strength of the wireless local area network signal is less than a preset value, the mobile terminal acquires mobile communication network interface information of its mobile communication unit;

The mobile terminal determines an interface type corresponding to the acquired interface information;

The mobile terminal controls its mobile communication unit to switch from the wireless local area network and connect to the mobile communication network based on the determined network connection mode corresponding to the interface type. The method according to claim 1, wherein the step of the mobile terminal determining the interface type corresponding to the acquired interface information comprises:

The mobile terminal analyzes whether the interface parameter of the interface information is consistent with the ECM interface parameter. If the interface parameter of the interface information is consistent with the ECM interface parameter, the interface type corresponding to the obtained interface information is determined to be an ECM interface type; and/or The terminal sends a QMI command to the communication interface of the mobile communication unit according to the interface information, and analyzes whether the mobile communication unit responds to the QMI command, and if the mobile communication unit responds to the QMI command, determines The interface type corresponding to the obtained interface information is the DIS interface type; and/or

The mobile terminal sends an AT command to the communication interface of its mobile communication unit according to the interface information, and analyzes whether the mobile communication unit responds to the AT command, and if the mobile communication unit responds to the AT command, The interface type corresponding to the obtained interface information is determined to be the RAS interface type. The method according to claim 2, wherein the step of determining that the interface type corresponding to the obtained interface information is a RAS interface type comprises:

The mobile terminal determines the number of interfaces that the mobile communication unit responds to the AT command; if the number of the interfaces is two, the mobile terminal determines that the interface type corresponding to the interface information is an AT interface in the RAS interface type; The number of interfaces is three, and the mobile terminal determines that the interface type corresponding to the interface information is a Modem interface in the RAS interface type. The method according to claim 2, wherein the step of controlling, by the mobile terminal, the mobile communication unit to switch from the wireless local area network and connect to the mobile communication network based on the network connection manner corresponding to the determined interface type comprises:

The mobile terminal controls its mobile communication unit to switch from the wireless local area network and connect to the mobile communication network based on the determined network connection mode corresponding to the ECM interface type; or

The mobile terminal controls its mobile communication unit to switch from the wireless local area network and connect to the mobile communication network based on the determined network connection mode corresponding to the NDIS interface type; or

The mobile terminal controls its mobile communication unit to switch from the wireless local area network and connect to the mobile communication network based on the determined network connection mode corresponding to the RAS interface type. The method according to claim 1, wherein the step of controlling the mobile communication unit to switch from the wireless local area network and connecting to the mobile communication network further comprises:

When there is a wireless local area network signal or a signal strength of the wireless local area network signal is greater than a preset value, the mobile terminal controls its mobile communication unit to switch from the mobile communication network to the wireless local area network. A mobile terminal that automatically adapts a handover network, the mobile terminal includes a mobile communication unit that performs mobile communication with a mobile communication network, and the mobile terminal further includes:

Obtaining a module, configured to acquire mobile communication network interface information of the mobile communication unit when the signal strength of the wireless local area network signal or the wireless local area network signal is less than a preset value;

a determining module, configured to determine an interface type corresponding to the obtained interface information;

And a switching module configured to control the mobile communication unit to switch from the wireless local area network and connect to the mobile communication network based on a network connection manner corresponding to the determined interface type. The mobile terminal according to claim 6, wherein the determining module is configured to:

The interface parameter of the interface information is consistent with the ECM interface parameter. If the interface parameter of the interface information is consistent with the ECM interface parameter, the interface type corresponding to the obtained interface information is determined to be an ECM interface type; and/or

Transmitting, according to the interface information, a QMI instruction to a communication interface of the mobile communication unit, and analyzing whether the mobile communication unit responds to the QMI instruction, and if the mobile communication unit responds to the QMI instruction, determining to obtain Interface type corresponding to the interface type is NDIS interface type; and / or Transmitting an AT command to the communication interface of the mobile communication unit according to the interface information, and analyzing whether the mobile communication unit responds to the AT command, and if the mobile communication unit responds to the AT command, determining to obtain The interface type corresponding to the interface information is the RAS interface type. The mobile terminal according to claim 7, wherein the determining module is configured to:

Determining a number of interfaces that the mobile communication unit is responsive to the AT command;

If the number of the interfaces is two, determining that the interface type corresponding to the interface information is an AT interface in the RAS interface type;

If the number of the interface is three, it is determined that the interface type corresponding to the interface information is a Modem interface in the RAS interface type. The mobile terminal according to claim 7, wherein the switching module is configured to:

Controlling, by the determined network connection manner of the ECM interface type, the mobile communication unit to switch from the wireless local area network and connect to the mobile communication network; or

Controlling, by the determined network connection manner corresponding to the NDIS interface type, the mobile communication unit to switch from the wireless local area network and connect to the mobile communication network; or

The mobile communication unit is controlled to switch from the wireless local area network and connect to the mobile communication network based on the determined network connection mode corresponding to the RAS interface type. The mobile terminal according to claim 6, wherein the switching module is further configured to:

The mobile communication unit is controlled to switch from the mobile communication network to the wireless local area network when there is a wireless local area network signal or a signal strength of the wireless local area network signal is greater than a preset value.