CN107948978B - Mobile terminal and method for same - Google Patents
Mobile terminal and method for same Download PDFInfo
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- CN107948978B CN107948978B CN201711294046.9A CN201711294046A CN107948978B CN 107948978 B CN107948978 B CN 107948978B CN 201711294046 A CN201711294046 A CN 201711294046A CN 107948978 B CN107948978 B CN 107948978B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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Abstract
The invention discloses a mobile terminal and a method for the same. The mobile terminal comprises a second microprocessor, and a second mobile communication baseband module and a second short-distance wireless module which are respectively connected with the second microprocessor, wherein the second mobile communication baseband module is connected with the second short-distance wireless module through a voice bus, a control bus and a data bus, the second mobile communication baseband module is connected with a second mobile communication antenna and a second SIM card, the second short-distance wireless module is connected with a second short-distance wireless antenna, the second short-distance wireless antenna is used for sending voice data, a control instruction and second SIM card data to a wireless relay device connected with the second short-distance wireless antenna, and the second SIM card data is used for authenticating a mobile communication baseband module network in the wireless relay device. The invention adopts the remote access SIM card technology and adopts the remote SIM card network authentication mode to realize the relay function and save one SIM card, thereby saving the cost and reducing the complexity and the management cost of the SIM card management of the user.
Description
Technical Field
The invention belongs to the technical field of wireless communication, and particularly relates to a mobile terminal and a method for the mobile terminal.
Background
Some mobile phones are used as mobile communication terminals, and are equipped with a wired headset as an accessory, so that users can communicate more comfortably by using the wired headset. However, the cable of the wired headset is often twisted together during the use and carrying processes, which brings inconvenience to users, so many mobile phone users often abandon the wired headset and continue to use the mobile terminal of the mobile phone to communicate.
After the advent of bluetooth technology, wireless headsets using bluetooth technology have also become increasingly popular as accessories for mobile terminals. The wireless headset using the Bluetooth technology avoids the trouble of winding a cable of the wired headset, and enables a mobile phone user to use mobile voice communication in a more convenient mode. When the Bluetooth headset is used, a mobile terminal user firstly needs to pair the Bluetooth headset and the mobile phone, and after the pairing is completed, Bluetooth connection is established between the Bluetooth headset and the mobile phone. The Bluetooth Headset realizes Bluetooth Headset protocol, namely Headset profile, when the mobile phone is in conversation, voice connection is established between the Bluetooth Headset and the mobile phone, the voice received by the mobile phone from the network is sent to the mobile phone through the Bluetooth Headset of the voice sending of the mobile phone, and the voice received by the Bluetooth Headset through the microphone is sent to the mobile phone and then sent to the mobile communication network by the mobile phone.
When a user uses the bluetooth headset, the user often looks at an interface of a mobile phone to acquire incoming call information when receiving an incoming call, and then searches for the headset to communicate. Bluetooth headset often designs comparatively smallly, often is difficult to look for, wears for a long time and still can arouse the discomfort of ear, and then arouses other discomfort.
Both wired and bluetooth headsets allow the user to receive less microwave electromagnetic radiation when answering a call. Some handset users reduce microwave electromagnetic radiation by using both of these approaches.
In order to make the user receive less electromagnetic radiation, a wireless voice relay system with a SIM card is introduced, so that the user can communicate through a mobile phone, and the voice service of the mobile phone is forwarded by Bluetooth technology. This approach places two SIM cards in the voice relay system and handset, i.e. one user needs two mobile communication telephone network subscribers to accomplish this function.
Disclosure of Invention
The invention aims to provide a mobile terminal and a method for the mobile terminal, aiming at the defects in the prior art.
In order to achieve the above object, in a first aspect, the present invention provides a mobile terminal, including a second microprocessor, and a second mobile communication baseband module and a second short-range wireless module respectively connected to the second microprocessor, wherein the second mobile communication baseband module is connected to the second short-range wireless module via a voice bus, a control bus and a data bus, the second mobile communication baseband module is connected to a second mobile communication antenna and at least one second SIM card, the second short-range wireless module has a unique device address and is connected to a second short-range wireless antenna, the second short-range wireless antenna is used for connecting to a wireless relay device and transmitting voice data, a control instruction and second SIM card data to the wireless relay device connected thereto, and the second SIM card data is used for authenticating a mobile communication baseband module network in the wireless relay device, the second short-distance wireless antenna is also used for receiving the voice and short message data transmitted by the target mobile terminal forwarded by the wireless relay device connected with the second short-distance wireless antenna.
Preferably, the second short-range wireless module includes a bluetooth module or a WIFI module.
Preferably, the voice data includes bidirectional analog voice data or bidirectional digital voice data.
Preferably, the control command comprises an outgoing call, an on-hook call, an answering call, a transfer extension number and a flow control command.
Preferably, the system further comprises a camera, a keyboard and a display, wherein the camera, the keyboard and the display are respectively connected with the second microprocessor.
In a second aspect, the present invention further provides a method of the above mobile terminal, including the following steps:
set in a searching state to search for the wireless relay device in the short-distance wireless coverage area,
establishing a short-range wireless connection with a wireless relay device,
receiving whether the mobile terminal has an available network remote authentication means and is equipped with a remote SIM card access protocol query result,
the operation of the mobile communication baseband module is closed to stop the mobile phone service and the remote network authentication mode is opened,
sending SIM card data according to the received remote network authentication request,
negotiating with the wireless relay device to enable standard combined key encryption or enhanced key encryption measures for subsequent data communications,
receiving a notification that the wireless relay service is available, switching the stopped mobile telephone service to use the voice relay service forwarded via the short-range wireless connection,
and establishing voice connection with the wireless relay device during communication.
The short-range wireless connection comprises a Bluetooth connection or a WIFI connection.
And when the mobile terminal cannot search the wireless relay device in the short-distance wireless coverage range, intermittently searching the wireless relay device in the short-distance wireless coverage range at set time intervals.
When the short-distance wireless connection is disconnected, the mobile communication baseband module is started, network authentication is carried out, mobile phone services are transferred to the mobile communication baseband module, and the mobile phone services enter a searching state again.
And when the voice connection can not be established, informing the user that the wireless relay service is unavailable.
Has the advantages that: the invention adopts the remote access SIM card technology and adopts the remote SIM card network authentication mode to realize the relay function and save one SIM card, thereby saving the cost and reducing the complexity and the management cost of the SIM card management of the user.
Drawings
Fig. 1 is a schematic diagram of a wireless communication system provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a wireless relay apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a wireless relay apparatus according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention;
figure 5 is a flow chart of the operational logic of an embodiment of the present invention for a mobile terminal side to initially connect with a wireless relay device,
fig. 6 is a logic flow diagram illustrating the operation of the wireless relay device in initial connection with the mobile terminal in accordance with an embodiment of the present invention;
FIG. 7 is a flowchart illustrating operation of a mobile terminal when initiating a caller according to an embodiment of the present invention;
fig. 8 is a flowchart of the operation of a wireless relay device when a caller is initiated according to an embodiment of the present invention;
fig. 9 is a flowchart illustrating operation of a wireless relay device when receiving an incoming call according to an embodiment of the present invention;
fig. 10 is a flowchart of the operation of the mobile terminal receiving an incoming call according to the embodiment of the present invention.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a wireless relay communication system, including: a wireless relay apparatus 1 and a mobile terminal 2.
As shown in fig. 2 and 3, the wireless relay device 1 according to the embodiment of the present invention includes a first mobile communication baseband module 11 and a first short-range wireless module 12, wherein the first mobile communication baseband module 11 is connected to the first short-range wireless module 12 via a voice bus, a control bus and a data bus, and the data bus may adopt a UART or USB interface. The first mobile communication baseband module 11 is connected with a first mobile communication antenna. The first short-range wireless module 12 may be a bluetooth module or a WIFI module, when the bluetooth module is used, the wireless relay device 1 remotely accesses the second SIM card 25 of the mobile terminal 2 according to the SAP protocol of the bluetooth module, when the WIFI module is used, the IP protocol and the VoIP voice technology are used between the wireless relay device 1 and the mobile terminal 2, and the access to the remote SIM card is realized based on the IP technology.
The first short-range wireless module 12 has a unique device address, preferably a unique serial number as its device address. The first short-range wireless module 12 is connected with a first short-range wireless antenna, and the first short-range wireless antenna is used for being connected with the mobile terminal 2 so as to receive voice data sent by the first mobile terminal 2, a control instruction and data of the second SIM card 25 of the mobile terminal 2, wherein the voice data includes bidirectional analog voice data or bidirectional digital voice data. The control instructions comprise an outgoing call, an on-hook call, an answering call, a transfer extension number, a flow control instruction and the like. The first mobile communication baseband module 11 performs remote network authentication using the second SIM card 25 data of the mobile terminal 2 connected to the wireless relay device 1. The first mobile communication antenna is used for sending voice or short message data of the mobile terminal 2 to the mobile communication network and then being received by the target mobile terminal, the first mobile communication antenna is also used for receiving the voice or short message data sent by the target mobile terminal from the mobile communication network, and the first short-distance wireless antenna sends the voice or short message data sent by the target mobile terminal and received by the wireless relay device 1 to the mobile terminal 2. The target mobile terminal is a mobile terminal that performs telephone communication or short message communication with the mobile terminal 2.
In order to increase the signal strength, the first mobile communication antenna includes a first mobile communication internal antenna 131 or a first mobile communication external antenna 132, and the first short-range wireless antenna includes a first short-range wireless internal antenna 141 or a first short-range wireless external antenna 142, and for easy storage, both the first mobile communication external antenna 132 and the first short-range wireless external antenna 142 are foldable antennas.
In order to maintain the functions of the wireless relay device in the prior art, a first SIM card 15 and a first microprocessor 16 may be further provided in the wireless relay device according to the embodiment of the present invention, where the first SIM card 15 is connected to the first mobile communication baseband module 11, and the first microprocessor 16 is connected to the first mobile communication baseband module 11 and the first short-range wireless module, respectively, for managing the functional logic of the wireless relay module. The first SIM card 15 is standby and when the mobile terminal 2 cannot perform remote network authentication, the first SIM card 15 in the wireless relay device 1 can be used for network authentication.
As shown in fig. 4, the mobile terminal 2 according to the embodiment of the present invention includes a second microprocessor 21, and a second mobile communication baseband module 22 and a second short-range wireless module 23 respectively connected to the second microprocessor 21, where the second mobile communication baseband module 22 may provide the network authentication of the mobile terminal 2, and also support the function of an independent card reader required by the remote network authentication. In order to enable the mobile terminal 2 to perform short-range wireless communication with the wireless relay device 1, the second short-range wireless module 23 has the same standard as the first short-range wireless module 12, and is a bluetooth module or a WIFI module. The second mobile communication baseband module 22 is connected with a second short-distance wireless module 23 through a voice bus, a control bus and a data bus, the second mobile communication baseband module 22 is connected with a second mobile communication antenna 24 and at least one second SIM card 25, the second short-distance wireless module 23 also has a unique device address, the second short-distance wireless module 23 is connected with a second short-distance wireless antenna 26, the second short-distance wireless antenna 26 is used for being connected with the wireless relay device 1 and sending voice data, a control instruction and second SIM card data inside the wireless relay device 1 connected with the second short-distance wireless module to the wireless relay device 1 connected with the second short-distance wireless module, the second SIM card data is used for network authentication of the first mobile communication baseband module 11 in the wireless relay device 1, and the second short-distance wireless antenna 26 is also used for receiving the wireless relay device 1 connected with the second short-distance wireless module 1 and forwarding voice and short message data sent by a target mobile terminal. The voice data transmitted between the wireless device 1 and the mobile terminal 2 includes bidirectional analog voice data or bidirectional digital voice data. The control instructions output by the mobile terminal 2 include an outgoing call, a hanging up call, an answering call, a transfer extension number, a flow control instruction and the like. The mobile terminal 2 may use specially installed software that takes over the telephone calling and called parties of the mobile terminal 2. The mobile terminal 2 transmits and receives an instruction to and from the wireless relay apparatus 1 through the established short range wireless communication connection, establishes a bidirectional voice connection and control connection, originates a telephone call or receives a call incoming from the first mobile communication baseband module 11 of the wireless relay apparatus 1, and performs voice communication through a receiver and a transmitter carried by the mobile terminal after the call is connected.
The mobile terminal 2 of the embodiment of the present invention further includes a user interface display device, a user input device, and the like, such as a camera 27, a keyboard 28, a display 29, and the like, where the camera 27, the keyboard 28, and the display 29 are respectively connected to the second microprocessor 21. The mobile terminal 2 may be a mobile phone or a tablet computer with a telephone function.
The wireless relay device 1 and the mobile terminal 2 both implement an access protocol of a remote SIM card, for example, a bluetooth SAP protocol, the wireless relay device 1 implements a bluetooth Client, i.e., an SAP Client, and the mobile terminal 2 implements a bluetooth Server, i.e., an SAP Server. The mobile terminal 2 used by the user may not implement the SAP Server side, and in such a case, the wireless relay device 1 itself needs to be able to complete the mobile phone network authentication, so that the mobile terminal 2 can be provided with the mobile phone voice relay service.
Fig. 5 is a flow chart illustrating the operation logic of the initial connection between the mobile terminal and the wireless relay device when the bluetooth module is used to implement the short-distance connection. Fig. 6 illustrates a logic flow diagram of the operation of the wireless relay device side in initial connection with a mobile terminal.
In connection with fig. 1 to 6, it is assumed that the first SIM card 15 is not installed in the wireless relay apparatus 1, or an invalid first SIM card 15 is installed, i.e. the wireless relay apparatus 1 cannot complete the mobile phone network authentication by itself. The initial state of the wireless relay device 1 is that the first mobile communication baseband module 11 is in a closed state, the first short-range wireless module 12 is in a waiting searching state, and the short-range wireless mobile terminals 2 of other same systems can inquire the service of the wireless relay device 1.
The mobile terminal 2 is in an initial state that the second mobile communication baseband module 22 is in a normal working state, the mobile terminal 2 performs communication services through the second mobile communication baseband module 22, and the second short-distance wireless module 23 periodically searches for the wireless relay device 1 within the short-distance wireless coverage range according to a set time interval, for example, once every one minute; or the user of the mobile terminal 2 actively starts a search task to continuously search the wireless relay device 1 in the short-distance wireless coverage area within a set time window.
After the mobile terminal 2 searches for one or more wireless relay apparatuses 1, the mobile terminal 2 first queries the services of the wireless relay apparatuses through a service discovery protocol, and when the wireless relay apparatuses 1 are found to be capable of providing voice relay services, prompts the user through an interface, provides a list of all the found wireless relay apparatuses 1 to the user, and invites the user to select one of the wireless relay apparatuses for connection. If the mobile terminal 2 never establishes connection with the wireless relay device 1, the mobile terminal 2 will pair with the wireless relay device 1 first, the user of the mobile terminal 2 must input a short-distance wireless PIN code in a specified time window to perform short-distance wireless authentication, and after the authentication is successful, the pairing can be successful, and the pairing will not be successful if the time window is exceeded or the PIN code is not paired, and the connection cannot be established continuously. After the pairing is successful, the mobile terminal 2 and the wireless relay apparatus 1 store the short-range wireless device address of the other party in their respective pairing databases, and then both parties generate a session serial number based on the PIN code that the user just input, and store the session serial number in their respective key databases, and the session serial number is associated with the short-range wireless device address of the other party for use in the next time when the two parties are automatically connected. When the mobile terminal 2 and the wireless relay apparatus 1 have been successfully paired and connected, the next mobile terminal 2 searches the wireless relay apparatus 1, and will automatically connect according to the pairing database and the session serial number corresponding to the device generated by the previous connection, without a pairing process, and generate a new session serial number based on the session serial number used by the previous connection, store the new session serial number in the key database, replace the session serial number used by the previous connection, and prepare for the next automatic connection in the key database of the mobile terminal 2 and the wireless relay apparatus 1. Each session sequence number is discarded after use. If at least one of the wireless relay device 1 and the mobile terminal 2 deletes the corresponding record in the pairing database, the two return to the unpaired state, and need to be paired again when connecting next time, and when the corresponding record in the pairing database is deleted, the related other information such as the session serial number is also deleted.
After the mobile terminal 2 and the wireless relay apparatus 1 establish the short range wireless connection, the wireless relay apparatus 1 inquires whether the mobile terminal 2 has an available mobile phone network authentication method and is equipped with a remote SIM card access protocol through the already established short range wireless connection. If the mobile terminal 2 is not equipped with the remote SIM card access protocol or has no mobile phone network authentication function, the wireless relay device 1 will notify the mobile terminal 2 that the mobile phone network authentication cannot be completed, and the voice relay service is not available, after receiving the notification, the mobile terminal 2 will delete all the related information of the wireless relay device 1 in the bluetooth pairing database, including the corresponding device address and the session serial number, and at the same time, the wireless relay device 1 will delete the corresponding pairing record and the session serial number, and then, the port short-distance wireless connection between the two is performed, and the wireless relay device returns to the initial state again, that is, the two parties are not in the state of pairing connection. If the mobile terminal 2 is provided with one or more mobile phone network authentication functions and is equipped with a remote SIM card access protocol, the wireless relay device 1 will inform the mobile terminal 2 via the established short range wireless connection that remote authentication is required using the second SIM card 25 data of the mobile terminal 2. After receiving the notification, the mobile terminal 2 prompts and asks the user through the user interface whether the wireless relay device 1 agrees to use the second mobile communication baseband module 22 of the mobile terminal 2 to read the data of the second SIM card 25. After the user receives the request, the mobile terminal 2 and the wireless relay device 1 negotiate to enable standard combined key encryption or enhanced key encryption measures to perform subsequent data communication, after the negotiation is completed, a data encryption mode is enabled on the short-distance wireless connection just established to perform all subsequent communication, the mobile terminal 2 stops the second mobile communication baseband module 22 of the mobile terminal and starts the remote SIM card of the mobile terminal to access SAP service, and a logical connection is established with the wireless relay device 1, wherein the logical connection, namely the short-distance wireless connection just enabling encryption transmission, becomes a first connection. After the first connection between the mobile terminal 2 and the wireless relay 1 is established, the second mobile communication baseband module 22 of the mobile terminal 2 only functions as a card reader and is responsible for all subsequent operations of the second SIM card 25 related to network authentication. If the second SIM card 25 of the mobile terminal 2 is enabled with the SIM card PIN security mechanism, the user is invited to enter the SIM card PIN, so that the wireless relay device 1 is allowed to use the second SIM card 25 of the mobile terminal 2 for remote authentication. The wireless relay device 1 starts the first mobile communication baseband module 11 of itself, uses the mobile phone network authentication which is just acquired to complete the network authentication of the first mobile communication baseband module 11 of itself, after the authentication is successful, the wireless relay service and the query service are started, and the mobile terminal 2 is informed that the wireless relay service is available, and the wireless relay device 1 establishes a connection with the mobile communication network, which is called as a second connection here. After receiving the notification of successful establishment of the second connection, the mobile terminal 2 switches its mobile telephone service, which has just been stopped, to a wireless relay service which is forwarded via a short-range wireless connection.
For security, the mobile phone network authentication is performed when the incoming call, the outgoing call, the short message, the location change and the service change occur, and the network authentication of the mobile communication baseband module 11 included in the wireless relay device 1 is performed subsequently through the established short-range wireless connection, i.e., the first connection, which enables encrypted transmission.
Fig. 7 is a flow chart illustrating the operation of the mobile terminal when a short-distance connection is implemented by using the bluetooth module and a calling party is initiated. Fig. 8 illustrates a flow chart of the operation of the wireless relay device at the time of originating a caller.
Referring to fig. 1, 2, 4, 7, and 8, when the mobile terminal 2 initiates a caller, it first requests the wireless relay apparatus 1 to establish a voice connection, and the wireless relay apparatus receives the request and then establishes a voice connection. The voice connection is a dedicated short-range wireless connection for voice full duplex transmission, referred to herein as a third connection. After the third connection is successfully established, the called phone number and the calling instruction are sent to the wireless relay device 1 through the first connection, when the wireless relay device 1 receives the phone number and the calling instruction to be called, the calling number and the dialing instruction are sent to the first mobile communication baseband module 11, the first mobile communication baseband module 11 dials, the call audio is transmitted to the first short-distance wireless module 12, meanwhile, a network authentication request during dialing is sent to the first short-distance wireless module 11, and the first short-distance wireless module 11 sends a remote SIM card authentication request to the mobile terminal by using SAP. The mobile terminal 2 provides network authentication at the time of dialing to the wireless relay apparatus 1 using the SAP service. Since the voice connection has been established, the dual tone dial tone and ring back tone of the telephone dial may be transmitted to the mobile terminal 2 through the just established third connection, and the user of the mobile terminal 2 may listen to the dial tone and ring back tone instantly with the handset. After the called party is connected, the two parties carry out conversation. If the called party hangs up, the wireless relay device 1 hangs up according to the mobile phone network standard, and simultaneously informs the mobile terminal 2 that the call is interrupted and the third connection is disconnected; if the mobile terminal 2 as the calling party actively hangs up the call, the mobile terminal 2 disconnects the third connection and notifies the wireless relay device 1 of the hang-up instruction through the first connection, and the wireless relay device 1 actively hangs up the call after receiving the hang-up instruction. If the third connection cannot be established, the mobile terminal 21 notifies the user that the wireless relay service is not available, and the user may select to enable the second mobile communication baseband module 22 of the mobile terminal 2 for dialing and stop the SAP service.
Fig. 9 illustrates an operation flowchart of the wireless relay apparatus when receiving an incoming call. Fig. 10 illustrates an operational flow diagram when a mobile terminal receives an incoming call.
When the wireless relay device 1 receives an incoming call with reference to fig. 1, 2, 4, 9 and 10, the wireless relay device 1 is called, a call is incoming through the first mobile communication baseband module 12, the first mobile communication baseband module 12 transmits remote authentication information with the first short-range wireless module 12 through a control bus and a data bus, and the first short-range wireless module 12 forwards an SAP authentication request. After receiving the remote SIM card authentication request from the wireless relay device, the mobile terminal 2 performs remote authentication of the first mobile communication baseband module 11 using the enabled SAP service. After the authentication is successful, the first mobile communication baseband module 11 informs the first short-range wireless module 12 of a call incoming event and an incoming number through the data bus and the control bus. The first short-range wireless module 12 forwards the incoming call event and the incoming call number to the mobile terminal 2, and after receiving the incoming call event and the incoming call number sent by the wireless relay device 1, the mobile terminal 2 controls and displays the incoming call number and the incoming call interface and establishes a two-way voice connection with the wireless relay device 1. After the voice connection is successfully established, the wireless relay device 1 waits for a connection or hang-up instruction input by a user, the mobile terminal 2 receives the connection or hang-up rejection instruction of the user, and the wireless relay device 1 executes the connection or hang-up instruction after the user executes the connection or hang-up instruction at the mobile terminal 2. The hanging up process is the same as the hanging up process of the calling party.
The mobile terminal 2, whether it is a calling or called party, maintains the first connection and the second connection all the time when the phone is hung up, and only disconnects the third connection.
After the wireless relay device 1 receives the short message, the wireless relay device 1 may send the short message to the mobile terminal 2 through the first connection, or may synchronize the short message to the mobile terminal 2 in batch through a preset synchronization mode.
It should be noted that, if the mobile terminal 2 searches for two or more wireless relay apparatuses 1 that have not been paired, the mobile terminal 2 displays the list on the user interface and invites the user to select one of them for pairing and connection. If the mobile terminal 2 finds two or more wireless relay apparatuses 1 that have been paired and have established connection, the list is displayed on the user interface, and prompts the user to select one of them for connection, and allows the user to set which device or devices that have been paired and have established connection can be set as default devices, and connection can be automatically performed when the user searches next time, and unpaired and connected devices cannot be set as default devices. If the mobile terminal 2 finds that some wireless relay apparatuses 1 are paired and connected, and some are paired and connected for the first time, the wireless relay apparatuses 1 are distinguished in a user interface, so that a user can learn which devices are new devices and which devices are connected, and can also set which devices are paired and connected as default connection devices by agreeing to the user, and the connection can be automatically established when the user searches for the next time, and similarly, the devices which are not paired and connected cannot be used as the default devices. When the user selects multiple devices on the mobile terminal 2 as default devices, if the mobile terminal 2 searches for multiple default devices, the mobile terminal 2 randomly selects one of the default devices to connect to.
As for the wireless relay device 1, once the short-range wireless connection, i.e., the first connection is disconnected, the initial state, i.e., the state waiting for searching, is entered again, and at the same time, the second connection is disconnected, and the first mobile communication baseband module 11 of itself is closed.
Once the wireless relay apparatus 1 enters the pairing and connection process, it exits the state waiting for search, and other mobile terminals 2 with the same capability will not find the wireless relay apparatus 1 until the wireless relay apparatus 1 enters the state waiting for search again, so that the situation that two mobile terminals 2 are connected to one wireless relay apparatus 1 at the same time is avoided.
For the mobile terminal 2, once the short-range wireless connection, i.e. the first connection, is disconnected, the initial state is entered, i.e. the second mobile communication baseband module 22 of the mobile terminal is enabled and the network authentication is performed, and the mobile phone service is transferred to the second mobile communication baseband module 22 using the local mobile terminal, and the second short-range wireless module 23 of the local mobile terminal also enters the intermittent searching state.
If the wireless relay apparatus 1 itself is equipped with the first SIM card and is able to complete the authentication of its mobile communication network with the first SIM card, the wireless relay apparatus 1 does not inquire the mobile terminal 2 about the authentication information of the mobile communication network and whether the information of the remote SIM card access protocol is installed or not after completing the pairing connection with the mobile terminal 2, and the mobile terminal 2 directly uses the service acquired by the wireless relay apparatus 1 itself from the mobile telephone network. If the mobile terminal 2 has the remote access SIM protocol, the mobile terminal 2 user may actively choose to use this function, changing the system to use the mobile phone network authentication of the mobile terminal 2 itself.
Based on the above embodiment, the present invention also provides a method for a mobile terminal, including the steps of:
the wireless relay device is placed in a searching state to intermittently search the wireless relay device in the short-distance wireless coverage area,
establishing a short-range wireless connection with a wireless relay device,
receiving whether the mobile terminal has an available network remote authentication means and is equipped with a remote SIM card access protocol query result,
the operation of the mobile communication baseband module is closed to stop the mobile phone service and the remote network authentication mode is opened,
sending SIM card data according to the received remote network authentication request,
negotiating with the wireless relay device to enable standard combined key encryption or enhanced key encryption measures for subsequent data communications,
receiving a notification that the wireless relay service is available, switching the stopped mobile telephone service to use the voice relay service forwarded via the short-range wireless connection,
and establishing voice connection with the wireless relay device during communication.
Wherein, short range wireless connection includes bluetooth connection or WIFI connection.
When the mobile terminal can not search the wireless relay device in the short-distance wireless coverage range, the mobile terminal intermittently searches the wireless relay device in the short-distance wireless coverage range at set time intervals.
When the short-distance wireless connection is disconnected, the mobile communication baseband module is started, network authentication is carried out, mobile phone services are transferred to the mobile communication baseband module, and the mobile phone services enter a searching state again.
Wherein, when the voice connection can not be established, the user is informed that the wireless relay service is unavailable.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A mobile terminal is characterized by comprising a second microprocessor, a second mobile communication baseband module and a second short-distance wireless module, wherein the second mobile communication baseband module and the second short-distance wireless module are respectively connected with the second microprocessor, the second mobile communication baseband module is connected with the second short-distance wireless module through a voice bus, a control bus and a data bus, the second mobile communication baseband module is connected with a second mobile communication antenna and at least one second SIM card, the second short-distance wireless module has a unique equipment address and is connected with a second short-distance wireless antenna, the second short-distance wireless antenna is used for being connected with a wireless relay device and sending voice data, a control instruction and second SIM card data to the wireless relay device connected with the second short-distance wireless antenna, the second SIM card data is used for authenticating a mobile communication baseband module network in the wireless relay device, and the second short-distance wireless antenna is also used for receiving the voice and short message data sent by the wireless relay device connected with the second short-distance wireless relay device and forwarding a target mobile terminal (ii) a
After the wireless relay device is connected with a mobile terminal, the wireless relay device inquires whether the mobile terminal has an available network remote authentication mode and is provided with a remote SIM card access protocol, and sends an inquiry result to the mobile terminal;
if yes, the mobile terminal stops the operation of the second mobile communication baseband module to stop the telephone service and open the network remote authentication mode;
the wireless relay device sends a network authentication request by using a second SIM card of the mobile terminal, establishes logical connection after the request is accepted, and starts a data encryption mode for subsequent communication;
if not, the mobile terminal disconnects the short-distance wireless connection with the wireless relay device and deletes the equipment address and the session serial number of the wireless relay device.
2. The mobile terminal of claim 1, wherein the second short-range wireless module comprises a bluetooth module or a WIFI module.
3. The mobile terminal of claim 1, wherein the voice data comprises bi-directional analog voice data or bi-directional digital voice data.
4. The mobile terminal of claim 1, wherein the control instructions comprise outgoing calls, hanging up calls, answering calls, forwarding extension numbers, and flow control instructions.
5. The mobile terminal of claim 1, further comprising a camera, a keyboard, and a display, wherein the camera, the keyboard, and the display are respectively connected to the second microprocessor.
6. A method for a mobile terminal according to claim 1, characterized in that it comprises the following steps:
set in a searching state to search for the wireless relay device in the short-distance wireless coverage area,
establishing a short-range wireless connection with a wireless relay device,
receiving whether the mobile terminal has an available network remote authentication means and is equipped with a remote SIM card access protocol query result,
if yes, the mobile communication baseband module is closed to stop the mobile phone service and the remote network authentication mode is started,
sending SIM card data according to the received remote network authentication request,
negotiating with the wireless relay device to enable standard combined key encryption or enhanced key encryption measures for subsequent data communications,
receiving a notification that the wireless relay service is available, switching the stopped mobile telephone service to use the voice relay service forwarded via the short-range wireless connection,
establishing voice connection with the wireless relay device during communication;
if not, the mobile terminal is further configured to: and disconnecting the short-distance wireless connection with the wireless relay device, and deleting the equipment address and the session serial number of the wireless relay device.
7. The method for a mobile terminal of claim 6, wherein the short-range wireless connection comprises a Bluetooth connection or a WIFI connection.
8. The method according to claim 6, wherein the mobile terminal intermittently searches for the wireless relay device in the short-range wireless coverage at a set time interval when the wireless relay device is not searched in the short-range wireless coverage.
9. The method as claimed in claim 6, wherein when the short-range wireless connection is disconnected, the second mobile communication baseband module is enabled and network authentication is performed, and mobile phone service is transferred to the second mobile communication baseband module and re-enters the searching state.
10. The method for a mobile terminal according to claim 6, wherein when the voice connection cannot be established, the user is notified that the wireless relay service is not available.
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Effective date of registration: 20220130 Address after: Room 211, Tsinghua Lihe building, No. 1, Xingzhi Road, Jiangbei new area, Nanjing, Jiangsu 210000 Patentee after: JIAGUTECH Co.,Ltd. Patentee after: Nanjing nanjizhi agricultural machinery science and Technology Research Institute Co., Ltd Address before: 210000 Room 501, block a, animation building, No. 11, Xinghuo Road, high tech Zone, Nanjing, Jiangsu Province Patentee before: JIAGUTECH Co.,Ltd. |