TWI503039B - Telecommunication module and mobile hotspot device - Google Patents

Description

Telecom module and mobile hotspot device

The present invention relates to a telecommunications device, and more particularly to a telecommunications module and a mobile hotspot device.

Connect a wireless router or a Wireless Fidelity (Wi-Fi) hotspot device, such as MiFi, a third-generation telecom mobile network card (3G dongle), etc. to a laptop Later, the laptop can be connected to the Internet via a telecommunication network. The conventional mobile Wi-Fi hotspot device has only one Subscriber Identity Module (SIM) card connector. When the SIM card is inserted into the SIM card connector of the mobile Wi-Fi hotspot device, the mobile Wi-Fi hotspot device can connect to the Internet through the telecommunication network corresponding to the SIM card.

The rates for Internet connection services offered by different carriers are different. Due to the terrain/environment, the signal quality of the telecommunication networks provided by different carriers in different locations may also be different. Therefore, users tend to prepare multiple SIM cards to meet Web requirements. However, the conventional mobile Wi-Fi hotspot device has only a single SIM card connector. When the signal quality of the telecommunication network corresponding to SIM card A is too poor, resulting in slow transmission of the Internet (or even unable to connect), the user needs to manually replace the SIM card A in the SIM card connector. For the SIM card B, the telecommunication network corresponding to the SIM card B is used instead.

The conventional mobile Wi-Fi hotspot device does not support the Universal Serial Bus (USB) interface for external hard disk and USB phones.

The invention provides a telecommunication module and a mobile hotspot device, which are configured with at least three SIM card connectors.

The embodiment of the invention provides a telecommunication module, including a telecommunication radio frequency circuit, a baseband processor, a local area network (LAN) interface circuit, a switching circuit, and a first SIM (Subscriber Identity Module). Module) card connector, second SIM card connector and third SIM card connector. The telecommunications radio frequency circuit is used to establish a connection with the telecommunications network. The baseband processor is coupled to the telecommunications radio frequency circuit. The local area network interface circuit is coupled to the baseband processor. The switching circuit is coupled to the baseband processor, the first SIM card connector, the second SIM card connector, and the third SIM card connector. The switching circuit selectively connects the first SIM card connector, the second SIM card connector, or the third SIM card connector to the baseband processor.

Embodiments of the present invention provide a mobile hotspot device, including a telecommunication radio frequency circuit, a baseband processor, an application processor, a switching circuit, a first SIM card connector, a second SIM card connector and a third SIM card connector. The telecommunications radio frequency circuit is used to establish a connection with the telecommunications network. The baseband processor is coupled to the telecommunications radio frequency circuit. The application processor is coupled to the baseband processor. The switching circuit is coupled to the baseband processor, the first SIM card connector, the second SIM card connector, and the third SIM card connector. The switching circuit is controlled by the baseband processor to select to connect the first SIM card connector, the second SIM card connector or the third SIM card connector to the baseband processor.

In an embodiment of the present invention, the baseband processor can read the first SIM card that is placed in the first SIM card connector and the second SIM card that is placed in the second SIM card connector through the switching circuit. The third SIM card is placed in the third SIM card connector, and the first RF signal strength corresponding to the first SIM card and the second RF signal corresponding to the second SIM card are detected by the telecommunication RF circuit according to the interpretation result. The strength of the third RF signal corresponding to the third SIM card, and the switching circuit is controlled to select one of the first SIM card connector, the second SIM card connector and the third SIM card connector according to the detection result. Baseband processor.

In an embodiment of the invention, the telecommunications radio frequency circuit includes a Long Term Evolution (LTE), 4G (fourth generation) communication technology, a 5G (fifth generation) communication technology, or a combination of the foregoing radio frequency circuits. .

In an embodiment of the invention, the baseband processor includes a MiFi chip, a data card chip, a router chip or a gateway chip.

In an embodiment of the invention, one of the first SIM card connector, the second SIM card connector and the third SIM card connector is a mini SIM card connector, a micro SIM card connector or a nano SIM card. Connector.

In an embodiment of the invention, the regional network interface circuit comprises a wireless area network interface circuit or an Ethernet interface circuit.

In an embodiment of the invention, the action hotspot device further includes a universal serial bus (USB) interface circuit. The USB interface circuit is coupled to the application processor.

In an embodiment of the invention, the mobile hotspot device further includes a memory card interface circuit. The memory card interface circuit is coupled to the application processor.

In an embodiment of the invention, the mobile hotspot device or the telecommunication module further includes a regional network interface circuit. The local area network interface circuit is coupled to the baseband processor.

In an embodiment of the invention, the action hotspot device further includes a regional network interface circuit. The local area network interface circuit is coupled to the application processor.

In an embodiment of the invention, the action hotspot device further includes a battery or a charger for supplying power to the telecommunication radio frequency circuit, the baseband processor, and the application processor.

Based on the above, the action hotspot device and the telecommunications module are configured with at least three SIM card connectors. Therefore, the action hotspot device and the telecommunication module can establish connections with different telecommunication networks. Based on the usage requirements, the mobile hotspot device and the telecom module can switch between different telecommunication networks without requiring the user to perform SIM card exchange on the SIM card connector.

The above described features and advantages of the invention will be apparent from the following description.

10‧‧‧Antenna

100, 300, 410‧‧‧ Telecom Module

110‧‧‧Telecom RF Circuit

120‧‧‧Baseband processor

130‧‧‧Regional Network Interface Circuit

140‧‧‧Switching circuit

150, 160, 170‧‧‧ User Identity Module (SIM) card connector

310‧‧‧Common Serial Bus (USB) Interface Circuit

400, 500‧‧‧ action hotspot devices

420‧‧‧Application Processor

430‧‧‧ memory card interface circuit

440‧‧‧Battery

Sc‧‧‧ control signal

S210~S270‧‧‧Steps

FIG. 1 is a block diagram showing a circuit of a telecommunications module according to an embodiment of the invention.

FIG. 2 is a schematic flow chart showing the operation of the telecommunications module of FIG. 1 according to an embodiment of the invention.

FIG. 3 is a block diagram showing a circuit of a telecommunications module according to another embodiment of the present invention.

FIG. 4 is a block diagram showing the circuit of a mobile hotspot device according to an embodiment of the invention.

FIG. 5 is a block diagram showing a circuit of a mobile hotspot device according to another embodiment of the present invention.

"Coupling" used in the full text of this prospectus (including the scope of patent application) The term "接接" can refer to any direct or indirect means of attachment. For example, if the first device is described as being coupled to the second device, it should be construed that the first device can be directly connected to the second device, or the first device can be connected through other devices or some kind of connection means. Connected to the second device indirectly. In addition, wherever possible, the elements and/ Elements/components/steps that use the same reference numbers or use the same terms in different embodiments may refer to the related description.

FIG. 1 is a block diagram showing a circuit of a telecommunications module 100 according to an embodiment of the invention. The telecom module 100 includes a telecommunications radio frequency circuit 110, a baseband processor 120, a local area network (LAN) interface circuit 130, a switching circuit 140, and at least three subscriber identity modules (Subscriber Identity Module, SIM). ) card connector. Taking the embodiment shown in FIG. 1 as an example, the at least three SIM card connectors include a first SIM card connector 150, a second SIM card connector 160, and a third SIM card connector 170. The telecommunications radio frequency circuit 110 can conform to different telecommunications specifications depending on design requirements. For example, the telecommunications radio frequency circuit 110 may include a Long Term Evolution (LTE) radio frequency circuit, a fourth generation of mobile phone mobile communication technology standards (abbreviated as 4G) radio frequency circuit, and a fifth A frequency generation of mobile phone mobile communication technology standards (abbreviated as 5G) radio frequency circuits or a combination thereof. In other embodiments, telecommunications radio frequency circuit 110 may include third generation mobile communication technology standard (3G) radio frequency circuits or other telecommunications specification radio frequency circuits. The telecommunications radio frequency circuit 110 can establish a connection with an external telecommunication network through the antenna 10. In some embodiments, antenna 10 may be embedded in telecommunications radio frequency circuit 110. In other embodiments, the antenna 10 may be disposed external to the telecommunications module 100.

The baseband processor 120 is coupled to the telecommunications radio frequency circuit 110. The baseband processor 120 can provide telecommunications network services. For example, the telecommunication radio frequency circuit 110 can receive the telecommunication radio frequency signal in the telecommunication network through the antenna 10, and receive the received radio frequency signal. The number is converted to a baseband signal for processing by the baseband processor 120. The telecommunications radio frequency circuit 110 can also receive the baseband signal from the baseband processor 120 and convert the received baseband signal into a telecommunications radio frequency signal for transmission to a base station (not shown) in the telecommunications network. The radio frequency may be, for example, 900 MHz or 1800 MHz for the Global System for Mobile Communications (GSM), and 1900 MHz for the Universal Mobile Telecommunications System (UMTS). The baseband processor 120 can convert the baseband signal to a digital signal and further process the digitized signal, and vice versa. Therefore, the baseband processor 120 can transmit the data to the telecommunications network through the telecommunications radio frequency circuit 110 and the antenna 10, and receive data from the telecommunications network through the telecommunications radio frequency circuit 110 and the antenna 10. In various embodiments, the baseband processing 120 may include a MiFi wafer, a data card wafer, a router wafer, and/or a gateway wafer.

The switching circuit 140 is coupled to the baseband processor 120, the first SIM card connector 150, the second SIM card connector 160, and the third SIM card connector 170. In some embodiments, switching circuit 140 and baseband processor 120 may be configured in the same integrated circuit package. In other embodiments, the switching circuit 140 and the baseband processor 120 may be configured in different integrated circuit packages. The specifications of the first SIM card connector 150, the second SIM card connector 160, and the third SIM card connector 170 may be the same or different. For example, one of the first SIM card connector 150, the second SIM card connector 160, and the third SIM card connector 170 may be a mini SIM card connector, a micro SIM card connector, a nano SIM card connector, or Other specifications.

Different SIM cards provided by the same or different carriers may be inserted into the first SIM card connector 150, the second SIM card connector 160 and the third SIM card connector 170, respectively. The switching circuit 140 can selectively connect the SIM data bus of the first SIM card connector 150, the second SIM card connector 160 or the third SIM card connector 170 to the SIM data bus of the baseband processor 120. After the SIM data bus of the SIM card is connected to the SIM data bus of the baseband processor 120, the baseband processor 120 and the micro processing unit inside the SIM card can access each other to retrieve data or data from the SIM card. Write to the SIM card.

For example, the baseband processor 120 can interpret the first SIM card that is placed in the first SIM card connector 150 and the second SIM card that is placed in the second SIM card connector 160 through the switching circuit 140. The third SIM card in the third SIM card connector 170. According to the interpretation result, the baseband processor 120 can detect the first radio frequency signal strength corresponding to the first SIM card, the second radio frequency signal strength corresponding to the second SIM card, and the third SIM card through the telecommunication radio frequency circuit 110 and the antenna 10. Corresponding third RF signal strength, and outputting control signal Sc to switching circuit 140 according to the detection result. The control signal Sc can control the switching circuit 140 to select one of the first SIM card connector 150, the second SIM card connector 160, and the third SIM card connector 170 to be connected to the baseband processor 120.

For example, FIG. 2 is a schematic diagram showing the operation of the telecommunications module 100 of FIG. 1 according to an embodiment of the present invention. In step S210, the switching circuit 140 connects the SIM data bus of the first SIM card connector 150 to the SIM data bus of the baseband processor 120. When the SIM card of the first SIM card connector 150 is connected to the base After the frequency processor 120, the baseband processor 120 can extract data from the SIM card, so as to detect whether there is call information through the telecommunication radio frequency circuit 110 and the antenna 10 to the corresponding telecommunication network, and use the channel application and other actions to know whether there is any Call. In step S220, the baseband processor 120 can determine whether there is an incoming call in the corresponding telecommunication network of the SIM card of the first SIM card connector 150 according to the detection result of step S210. When the corresponding telecommunication network has an incoming call, the baseband processor 120 can establish a call channel (step S270). When the corresponding telecommunication network has no incoming call, the baseband processor 120 proceeds to step S230.

In step S230, the switching circuit 140 connects the SIM data bus of the second SIM card connector 160 to the SIM data bus of the baseband processor 120. After the SIM card of the second SIM card connector 160 is connected to the baseband processor 120, the baseband processor 120 can extract data from the SIM card to detect the corresponding telecommunication network through the telecommunication radio frequency circuit 110 and the antenna 10. Is there a call message to find out if there is an incoming call. In step S240, the baseband processor 120 can determine whether there is an incoming call in the corresponding telecommunication network of the SIM card of the second SIM card connector 160 according to the detection result of step S230. When the corresponding telecommunication network has an incoming call, the baseband processor 120 can establish a call channel (step S270). When the corresponding telecommunication network has no incoming call, the baseband processor 120 proceeds to step S250.

In step S250, the switching circuit 140 connects the SIM data bus of the third SIM card connector 170 to the SIM data bus of the baseband processor 120. After the SIM card of the third SIM card connector 170 is connected to the baseband processor 120, the baseband processor 120 can extract data from the SIM card to transmit the telecommunications radio frequency circuit 110. It is detected with the antenna 10 to the corresponding telecommunication network whether there is call information. In step S260, the baseband processor 120 can determine whether there is an incoming call in the corresponding telecommunication network of the SIM card of the third SIM card connector 170 according to the detection result of step S250. When the corresponding telecommunication network has an incoming call, the baseband processor 120 can establish a call channel (step S270). When there is no incoming call on the corresponding telecommunication network, the baseband processor 120 returns to step S210.

Referring to FIG. 1 , the regional network interface circuit 130 is coupled to the baseband processor 120 . In various embodiments, the regional network interface circuit 130 may include a wireless area network interface circuit (eg, a WiFi interface circuit) or a wired area network interface circuit (eg, an Ethernet interface circuit). The baseband processor 120 can provide the regional data network to the local computer device (not shown) through the area network interface circuit 130. The baseband processor 120 can act as a router and/or a gateway between the regional data network to which the regional network interface circuit 130 is connected and the telecommunications network to which the telecommunications radio frequency circuit 110 is connected. Therefore, after the telecom module 100 is connected to the local computer device through the regional network interface circuit 130, the local computer device can be connected to the internet via the telecommunication module 100 and the telecommunication network. The telecommunications module 100 can be implemented as a network dongle or MiFi that is externally plugged into mobile electronic products such as mobile phones as a hardware device that connects mobile electronic products to the Internet.

For example, when the telecom module 100 moves to the location A, the radio frequency signal strength of the telecommunication network corresponding to the first SIM card inserted in the first SIM card connector 150 is greater than that of the other two SIM cards. Therefore, the baseband processor 120 can Control switching circuit 140 selects to connect first SIM card connector 150 to baseband processor 120. When the telecommunication module 100 moves from the location A to the location B, the radio frequency signal strength of the telecommunication network corresponding to the second SIM card inserted in the second SIM card connector 160 is greater than that of the other two SIM cards. Therefore, the baseband processor 120 can control the switching circuit 140 to selectively connect the second SIM card connector 160 to the baseband processor 120. When the telecommunication module 100 moves from the location B to the location C, the radio frequency signal strength of the telecommunication network corresponding to the third SIM card inserted in the third SIM card connector 170 is greater than that of the other two SIM cards. Therefore, the baseband processor 120 can control the switching circuit 140 to selectively connect the third SIM card connector 170 to the baseband processor 120. Therefore, the telecom module 100 can dynamically switch different telecommunication networks according to the use requirements without requiring the user to perform SIM card exchange on the SIM card connector.

In some usage scenarios, users may consider the rates of different carriers and want to use different SIM cards at different times/locations. Therefore, in other embodiments, the baseband processor 120 can control the control switching circuit 140 from the first SIM card connector 150, the second SIM card connector 160, and the third according to a user's instruction (or setting a resistance state). One of the SIM card connectors 170 is selected to be connected to the baseband processor 120.

For example, assume that the first SIM card inserted in the first SIM card connector 150 during the period from 8:00 to 16:00 has a lower telecommunication network rate than the other two SIM cards, and is between 16:00 and 23:00. The second SIM card inserted in the second SIM card connector 160 has a lower telecommunication network rate than the other two SIM cards, and is inserted into the third SIM card connector 170 during the period from 23:00 to 8:00. Three SIM cards have lower telecommunication network rates than the other two SIM card. Therefore, the user can set the set resistance state of the baseband processor 120. The baseband processor 120 can automatically control the switching circuit 140 in accordance with the set resistance state. Based on the control of the baseband processor 120, the switching circuit 140 may select to connect the first SIM card connector 150 to the baseband processor 120 during 8:00 to 16:00, and select between 16:00 and 23:00. The second SIM card connector 160 is coupled to the baseband processor 120 and selects to connect the third SIM card connector 170 to the baseband processor 120 during the period from 23:00 to 8:00.

In other embodiments, the telecommunications module 100 can automatically detect the failure of the SIM card telecommunication network that has been used by accessing the telecommunication network, or use the SIM card telecommunication service fee (or maturity). The currently used SIM card telecommunication network is disconnected due to a failure, or the currently used SIM card telecommunication service fee is over (or expired), and the telecommunication module 100 can switch to another available one by using the control switching circuit 140. SIM card service. Based on the usage requirements, the user can control the baseband processor 120 of the telecom module 100 to select and use the first SIM by using an application App running through a mobile phone, a tablet, a personal computer, or other computer device. The telecommunications network of the card, the second SIM card, and the third SIM card establish a connection. The function of the "application software App" may include: (1) collecting and comparing the data of the telecommunication tariff and the remaining traffic of the SIM cards of the telecommunications companies that have been inserted into the telecommunications module 100 by the user, and then recommending according to the comparison result. The user selects the SIM card, and can remotely control the telecom module 100 from the "application software App (Application)" run by the mobile phone, the tablet computer, the personal computer, or other computer device to start the service of the selected SIM card; 2) Collecting telecom module 100 has been inserted into SIM After the telecommunication company's wireless telecommunication network signal is scanned by each SIM card of the card connector, it is recommended to be preferred by the user, and the application software application can be run from a mobile phone, a tablet computer, a personal computer, or other computer device. (Application)" remotely remotely activates the selected SIM card service for the telecom module 100; (3) when the currently used SIM card telecommunication network is terminated due to a fault or the currently used SIM card telecommunication service fee expires or expires The telecommunication module 100 can automatically detect that the SIM card service is stopped and switch to another SIM card service that can be used, and notify the user through a mobile phone, a tablet computer, a personal computer, or other computer device; and / Or (4) Internet applications and cloud content service platform companies can use the application software App (or their own App) to network and distribute marketing special activities to consumers through mobile phones, tablets, personal computers, or other computer devices. The service platform company provides free communication data traffic for "using the designated telecommunications network company SIM card network" to consumers who use their "specific services", or the telecommunications connection service fee for this "specific service" binding to this SIM card. Provide a fee subsidy. The "specific application services" are, for example, an online game platform, a movie interactive media screen, a group purchase interactive online shopping, a personal/enterprise cloud storage download, and the like.

FIG. 3 is a block diagram showing a circuit of a telecommunications module 300 according to another embodiment of the present invention. The telecommunications module 300 includes a telecommunications radio frequency circuit 110, a baseband processor 120, a regional network interface circuit 130, a switching circuit 140, at least three SIM card connectors, and a universal serial bus (USB) interface circuit 310. The implementation details of the telecommunications module 300 shown in FIG. 3 can be referred to the related description of the telecommunications module 100 shown in FIG. 1 , and therefore will not be repeated.

Referring to FIG. 3 , the USB interface circuit 310 is coupled to the baseband processor 120 . The USB interface circuit 310 can include a USB controller (not shown) and at least one USB connector (not shown). The USB controller operates in a USB host mode. Therefore, the USB interface circuit 310 can be connected to various USB devices external to the telecommunications module 300, such as a USB hard disk, a USB telephone, a webcam, a home appliance smart remote control box, or other external USB devices. Taking a USB hard disk as an example, when the USB hard disk is connected to the USB interface circuit 310, the baseband processor 120 can provide the USB hard disk storage space to the Internet through the telecommunication RF circuit 110 and the telecommunication network, and/or The storage space of the USB hard disk is provided to the regional network through the area network interface circuit 130. Therefore, the telecommunications module 300 can provide the functionality of a cloud storage. Taking a USB telephone as an example, when the USB telephone is connected to the USB interface circuit 310, the baseband processor 120 can transmit the voice packet of the USB telephone to the Internet through the telecommunication radio frequency circuit 110 and the telecommunication network. Therefore, the telecommunications module 300 can provide the function of a network telephone.

FIG. 4 is a block diagram showing a circuit of a mobile hotspot device 400 according to an embodiment of the invention. The mobile hotspot device 400 includes a telecommunications module 410, an application processor 420, a regional network interface circuit 130, a USB interface circuit 310, a memory card interface circuit 430, and a battery (or charger) 440. The telecommunications module 410 includes a telecommunications radio frequency circuit 110, a baseband processor 120, a switching circuit 140, and at least three SIM card connectors. The implementation details of the telecommunications module 410 shown in FIG. 4 can be referred to the related description of the telecommunications module 100 shown in FIG. 1 , and therefore will not be repeated.

Referring to FIG. 4, the battery 440 is powered to the mobile hotspot device 400. For example, battery 440 can power telecommunications RF circuit 110, baseband processor 120, and application processor 420. Therefore, the action hotspot device 400 can maintain normal operation while in the moving state.

The application processor 420 can run an operating system (OS) to provide various computing capabilities, such as processing/computing functions including multimedia codec, 3D display, sound effects, interface connection, and digital signal processing (DSP). . The application processor 420 is coupled to the baseband processor 120. The application processor 420 can connect to the Internet via the baseband processor 120, the telecommunications radio frequency circuit 110, the antenna 10, and the telecommunications network.

The local area network interface circuit 130 is coupled to the application processor 420. In various embodiments, the regional network interface circuit 130 may include a wireless area network interface circuit (eg, a WiFi interface circuit) or a wired area network interface circuit (eg, an Ethernet interface circuit). The application processor 420 can provide the regional data network to the local computer device (not shown) through the area network interface circuit 130. The application processor 420 and/or the baseband processor 120 can act as a router and/or gateway between the regional data network to which the regional network interface circuit 130 is connected and the telecommunications network to which the telecommunications RF circuit 110 is connected. Therefore, after the telecom module 410 is connected to the local computer device through the application processor 420 and the regional network interface circuit 130, the local computer device can be connected to the Internet via the telecommunication module 410 and the telecommunication network. The mobile hotspot device 400 can be implemented as MiFi as a hardware device that connects mobile electronic appliances to the Internet.

The USB interface circuit 310 is coupled to the application processor 420. The USB interface circuit 310 can include a USB controller (not shown) and at least one USB connector (not shown). The USB controller operates in a USB host mode. Therefore, the USB interface circuit 310 can be connected to various USB devices external to the mobile hotspot device 400, such as a USB hard disk, a USB telephone, a network camera, a home appliance smart remote control box, or other external USB devices. Taking a USB hard disk as an example, when the USB hard disk is connected to the USB interface circuit 310, the application processor 420 can provide the storage space of the USB hard disk to the Internet through the baseband processor 120, the telecommunication radio frequency circuit 110, and the telecommunication network. The path, and/or the storage space of the USB hard disk is provided to the local area network through the area network interface circuit 130. Therefore, the action hotspot device 400 can provide the function of the cloud storage. Taking a USB telephone as an example, when the USB telephone is connected to the USB interface circuit 310, the application processor 420 can transmit the voice packet of the USB telephone to the Internet through the baseband processor 120, the telecommunication radio frequency circuit 110, and the telecommunication network. Therefore, the mobile hotspot device 400 can provide the function of a network telephone.

The memory card interface circuit 430 is coupled to the application processor 420. The memory card interface circuit 430 can be used by a user to insert a memory card. The memory card may be a Compact Flash Card (CF card), a Secure Digital Card (SD card), a Multi Media Card (MMC), or a smart media card. (Smart Media Card, referred to as SM card), Memory Stick (MS card), Extreme Digital Card (xD Picture Card, xD card) or other non-volatile memory cards. Insert memory into memory card After the card interface circuit 430, the application processor 420 can write data to the memory card of the memory card interface circuit 430, and can also read data from the memory card of the memory card interface circuit 430.

The baseband processor 120 interprets the first SIM card that is placed in the first SIM card connector 150, the second SIM card that is placed in the second SIM card connector 160, and the third SIM card connector. The third SIM card in the 170, and the first RF signal strength corresponding to the first SIM card, the second RF signal strength corresponding to the second SIM card, and the third SIM card are detected by the telecommunication RF circuit 110 according to the interpretation result. Corresponding third RF signal strength. During the period when the local computer device is connected to the Internet via the mobile hotspot device 400 and the telecommunication network, the baseband processor 120 can output the control signal Sc to the switching circuit 140 according to the detection result (the radio frequency signal strength of the telecommunication network). The control signal Sc can control the switching circuit 140 to select one of the first SIM card connector 150, the second SIM card connector 160, and the third SIM card connector 170 to be connected to the baseband processor 120.

For example, when the mobile hotspot device 400 moves to the location A, the radio frequency signal strength of the telecommunication network corresponding to the first SIM card inserted in the first SIM card connector 150 is greater than that of the other two SIM cards. Therefore, the baseband processor 120 can control the switching circuit 140 to select to connect the first SIM card connector 150 to the baseband processor 120. When the mobile hotspot device 400 moves from the location A to the location B, the radio frequency signal strength of the telecommunication network corresponding to the second SIM card inserted in the second SIM card connector 160 is greater than that of the other two SIM cards. Therefore, the baseband processor 120 can control the switching circuit 140 to selectively connect the second SIM card connector 160 to the base. Frequency processor 120. When the mobile hotspot device 400 moves from the location B to the location C, the radio frequency signal strength of the telecommunication network corresponding to the third SIM card inserted in the third SIM card connector 170 is greater than that of the other two SIM cards. Therefore, the baseband processor 120 can control the switching circuit 140 to selectively connect the third SIM card connector 170 to the baseband processor 120. Therefore, the mobile hotspot device 400 and the telecom module 410 can dynamically switch different telecommunication networks according to usage requirements without requiring the user to perform SIM card exchange on the SIM card connector.

In some usage scenarios, users may consider the rates of different carriers and want to use different SIM cards at different times/locations. Therefore, in other embodiments, the application processor 420 can control the baseband processor 120 according to a user's instruction (or set a resistance state). Based on the control of the application processor 420, the baseband processor 120 can control the switching circuit 140 to select one of the first SIM card connector 150, the second SIM card connector 160, and the third SIM card connector 170 to connect to the base. Frequency processor 120.

For example, assume that the first SIM card inserted in the first SIM card connector 150 during the period from 8:00 to 16:00 has a lower telecommunication network rate than the other two SIM cards, and is between 16:00 and 23:00. The second SIM card inserted in the second SIM card connector 160 has a lower telecommunication network rate than the other two SIM cards, and is inserted into the third SIM card connector 170 during the period from 23:00 to 8:00. The telecommunications network rate of the three SIM cards is lower than the other two SIM cards. Therefore, the user can set the set resistance state of the application processor 420. The application processor 420 can automatically control the baseband processor 120 in accordance with the set resistance state. Based on the control of the application processor 420, the baseband processor 120 can The control switching circuit 140 selects to connect the first SIM card connector 150 to the baseband processor 120 during 8:00~16:00, and controls the switching circuit 140 to select the second SIM card connector during 16:00~23:00. 160 is coupled to baseband processor 120, and control switch circuit 140 selects to connect third SIM card connector 170 to baseband processor 120 during 23:00-8:00.

In other embodiments, the baseband processor 120 further includes a determination module for setting a switching condition. The baseband processor 120 can interpret the first SIM card accommodated in the first SIM card connector 150, the second SIM card accommodated in the second SIM card connector 160, and the third SIM card through the switching circuit 140. The third SIM card in the card connector 170 is used to obtain the usage status of each SIM card. The baseband processor 120 can compare the use status of each SIM card and the switching condition through the internal judgment module, and suggest that the user control the switching circuit 140 from the first SIM card connector 150 according to the comparison result. One of the second SIM card connector 160 and the third SIM card connector 170 is selected to be connected to the baseband processor 120. Alternatively, the baseband processor 120 can automatically control the switching circuit 140 to select one of the first SIM card connector 150, the second SIM card connector 160, and the third SIM card connector 170 to connect to the baseband according to the comparison result. Processor 120.

Therefore, the action hotspot device 400 can automatically detect the failure of the SIM card telecommunication network that has been used by the access to the telecommunication network, or the SIM card telecommunication service fee used (or expires). The currently used SIM card telecommunication network is disconnected due to a failure, or the currently used SIM card telecommunication service fee is completed (or expired), and the action hotspot device 400 can switch to the available switch by the control switching circuit 140. Other inserted SIM card services. Based on the usage requirements, the user can control the baseband processor 120 and/or the application processor of the mobile hotspot device 400 by using an application App running through a mobile phone, tablet, personal computer, or other computer device. 420: Select to establish a connection using a telecommunication network of the first SIM card, the second SIM card, and the third SIM card. The function of the "application software App" may include: (1) collecting and comparing the data of the telecommunication tariff and the remaining traffic of each SIM card of the telecommunications company that the user has inserted into the action hotspot device 400, and then recommending according to the comparison result. The user selects the SIM card, and can remotely control the mobile hotspot device 400 from the "application software App (Application)" run by the mobile phone, the tablet computer, the personal computer, or other computer device to activate the service of the selected SIM card; 2) After collecting the mobile hotspot device 400 that has been inserted into each SIM card of the SIM card connector, the telecommunication company's wireless telecommunication network signal strength is weak, and then the user is recommended to be preferred, and can be from a mobile phone, a tablet computer, a personal computer, or The application software (Application) running by other computer devices performs remote remote control to activate the selected SIM card service for the mobile hotspot device 400; (3) when the currently used SIM card telecommunication network is disconnected due to a fault or is currently used. When the SIM card telecom service fee is expired or expires, the action hotspot device 400 can automatically detect that the SIM card service is stopped and switch to use by itself. Other SIM card services, as well as notifications to users via mobile phones, tablets, PCs, or other computer devices; and/or (4) Internet applications and cloud content service platform companies can use this app App (or their own) App) networking delivers marketing promotions to consumers via mobile phones, tablets, PCs, or other computer devices. Service platform companies use their "specific services" Consumers provide free communication data traffic using the SIM network of a designated telecommunications network company, or provide a fee subsidy for the telecommunications connection service fee used by this "specific service" to bind this SIM card. The "specific application services" are, for example, an online game platform, a movie interactive media screen, a group purchase interactive online shopping, a personal/enterprise cloud storage download, and the like.

FIG. 5 is a block diagram showing a circuit of a mobile hotspot device 500 according to another embodiment of the present invention. The mobile hotspot device 500 includes a telecommunications module 100, an application processor 420, a USB interface circuit 310, a memory card interface circuit 430, and a battery 440. The implementation details of the mobile hotspot device 500 shown in FIG. 5 can be referred to the related description of the mobile hotspot device 400 shown in FIG. 4, and the implementation details of the telecom module 100 shown in FIG. 5 can refer to the telecom module 100 shown in FIG. The relevant descriptions are analogous, so they will not be repeated.

In summary, the mobile hotspot device and the telecommunication module according to the embodiments of the present invention are configured with at least three SIM card connectors 150, 160, and 170. Therefore, the action hotspot device and the telecommunication module can establish connections with different telecommunication networks. Based on the usage requirements, the mobile hotspot device and the telecom module can switch different telecommunication networks by dynamically selecting the SIM card connector without requiring the user to perform SIM card exchange on the SIM card connector. The mobile hotspot device and the telecommunication module can automatically detect the failure of the used SIM card telecommunication network by using the access to the telecommunication network, or the SIM card telecommunication service fee used (or expired). If the SIM card telecommunication network that is already in use is disconnected due to a fault, or the SIM card telecommunication service fee is used (or expired), the mobile hotspot device and the telecommunication module can switch to other inserted SIM cards that can be used by themselves. service. Based on the usage requirements, the user can use the "Application Software App" to control the mobile hotspot device and the telecommunication module through a mobile phone, a tablet computer, a personal computer, or other computer device to select and use the first SIM card and the second SIM. The telecommunication network of the card and the third SIM card establishes a connection. The functions of the "application software App" may include: (1) collecting and comparing the data of the telecom tariff and the remaining traffic of the SIM cards of the telecommunications companies that the user has inserted, and then recommending that the user prefer. And can do remote remote control to start the selected SIM card service; (2) can collect the mobile hotspot device and the telecommunications module has inserted into the SIM card connector of the SIM card scanned by the telecommunications company wireless telecommunications network signal strength, It is recommended that the user prefer, and can remotely start the service of the selected SIM card remotely; (3) the SIM card telecommunication network already in use is terminated or expired due to the failure of the communication or the use of the SIM card telecommunication service fee. The mobile hotspot device and the telecom module will automatically detect that the SIM card service is stopped and switch to another SIM card service that can be used, and then notify the user through a mobile phone, a tablet computer, a personal computer, or other computer device; 4) Internet applications and cloud content service platform companies can connect via mobile phone, tablet, personal computer, or other via this application app (or their own app) Computer equipment and other publishing marketing special offers to consumers.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

10‧‧‧Antenna

100‧‧‧Telecom module

110‧‧‧Telecom RF Circuit

120‧‧‧Baseband processor

130‧‧‧Regional Network Interface Circuit

140‧‧‧Switching circuit

150, 160, 170‧‧‧ User Identity Module (SIM) card connector

Sc‧‧‧ control signal

Claims (9)

A mobile hotspot device includes: a telecommunications radio frequency circuit for establishing a connection with a telecommunications network; a baseband processor coupled to the telecommunications radio frequency circuit; and an application processor coupled to the baseband processor, The application processor runs an operating system, the baseband processor includes a MiFi chip, a data card chip, a routing chip or a gateway chip; a first SIM (Subscriber Identity Module) card connector; a second SIM card connector; a third SIM card connector; and a switching circuit coupled to the baseband processor, the first SIM card connector, the second SIM card connector, and the third SIM card a connector, the switching circuit being controlled by the baseband processor to connect the first SIM card connector, the second SIM card connector or the third SIM card connector to the baseband processor, wherein the The baseband processor interprets a first SIM card that is placed in the first SIM card connector, a second SIM card that is received in the second SIM card connector, and is received in the third SIM. a third SIM card in the card connector, and according to the interpretation Detecting, by the telecommunication radio frequency circuit, a first radio frequency signal strength corresponding to the first SIM card, a second radio frequency signal strength corresponding to the second SIM card, and a third radio frequency corresponding to the third SIM card Signal strength, and controlling the switching circuit from the first SIM card connector, the second SIM card connector, and the One of the third SIM card connectors is connected to the baseband processor, wherein the baseband processor further includes a determining module for setting a switching condition, and the baseband processor is further configured to read the receiving circuit. a first SIM card of the first SIM card connector, a second SIM card received in the second SIM card connector, and a third SIM card received in the third SIM card connector. Obtaining the usage status of each SIM card, and comparing the usage status of the SIM card and the switching condition through the determining module, directly or suggesting that the user control the switching circuit from the first SIM card connector, the second SIM One of the card connector and the third SIM card connector is selected to be connected to the baseband processor. The action hotspot device of claim 1, wherein the telecommunication radio frequency circuit comprises a long term evolution technology radio frequency circuit, a fourth generation mobile communication technology standard radio frequency circuit, a fifth generation mobile communication technology standard radio frequency circuit or a combination thereof. . The mobile hotspot device of claim 1, wherein one of the first SIM card connector, the second SIM card connector and the third SIM card connector is a mini SIM card connector, a micro SIM Card connector or nano SIM card connector. The action hotspot device of claim 1, further comprising: a regional network interface circuit coupled to the baseband processor or the application processor, wherein the regional network interface circuit comprises a wireless area Network interface circuit or an Ethernet interface circuit. The mobile hotspot device of claim 1, further comprising: a universal serial bus interface circuit coupled to the application processor. The action hotspot device of claim 1, further comprising: a memory card interface circuit coupled to the application processor. The mobile hotspot device of claim 1, further comprising: a regional network interface circuit coupled to the baseband processor. The action hotspot device of claim 1, further comprising: a regional network interface circuit coupled to the application processor. The mobile hotspot device of claim 1, further comprising: a battery or a charger for supplying power to the telecommunications radio frequency circuit, the baseband processor and the application processor.