LTE CAT / WIFI wireless router supporting eSIM card

Abstract

The utility model discloses an LTE CAT / WIFI wireless router supporting an eSIM card, and the router comprises an LTE module which is used for receiving an LTE signal of an operator and carrying out the data processing; the WiFi module is used for providing network access for user equipment through a wireless local area network (WLAN); and the eSIM chip is used for storing operator information and supporting remote configuration of an operator network. According to the utility model, through the optimization modes of eSIM remote management, Bluetooth convenient connection, LTE WiFi sharing, intelligent power management and SIM mode switchable, the wireless network experience of a user under the scenes of international roaming, mobile office, emergency communication and the like is greatly improved, the problems of tedious SIM card replacement, high roaming fee, complex configuration and the like of a traditional router are solved, and the wireless network experience of the user under the scenes of international roaming, mobile office, emergency communication and the like is greatly improved. And the method has wide market application value.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of wireless router, concretely relates to a LTE CAT / WIFI wireless router of support eSIM card. BACKGROUND

[0002] With the continuous development of LTE technology, the access rate is higher and higher, and the LTE wireless router as a kind of shared device on network makes multiple Wifi access users can share LTE network broadband resources. High speed and many people share make it more and more appear in people's work and life, provide the convenience of sharing internet for people. The LTE CAT4 / WIFI router of present uses a physical SIM card to access operator LTE network, but with the increase of business and international exchanges, when user is in foreign country, using domestic SIM card can bring high network cost, and it is very inconvenient to handle a SIM card in local, and the LTE CAT4 / 6 / WIFI router based on eSIM card technology is used to solve this problem, so that the user's cost reaches minimum under international roaming condition without changing local SIM card. SUMMARY

[0003] In order to solve the above problems, the utility model provides a LTE CAT / WIFI wireless router of support eSIM card, has eSIM remote management, bluetooth connection mobile phone APP carries out eSIM configuration, automatically matches local operator network and other functions, can quickly switch network in different regions, simultaneously optimizes WiFi data sharing, improves network utilization, provides more efficient, convenient wireless connection experience for user.

[0004] The utility model is realized through the following technical schemes: a LTE CAT / WIFI wireless router of support eSIM card, including:

[0005] LTE module is used for receiving operator LTE signal and carries out data processing;

[0006] WiFi module is used for providing network access to user equipment through wireless local area network (WLAN);

[0007] eSIM chip is used for storing operator information and supporting remote configuration operator network;

[0008] Master control processing unit is connected with LTE module, WiFi module and eSIM chip respectively, and is used for managing data flow, controlling network connection and user access;

[0009] Power management module is used for providing power supply, including USB interface power supply and battery management function;

[0010] Bluetooth module, connected with the master processing unit, for communicating with the mobile terminal to realize eSIM management and remote configuration;

[0011] Storage module, connected with the master processing unit, for storing device configuration, user information and network parameters.

[0012] As a preferred technical solution, the WiFi module comprises:

[0013] WiFi MAC circuit, for managing wireless communication protocol and data forwarding;

[0014] RF circuit, for wireless signal transmission and reception;

[0015] Signal processing unit, connected with the WiFi MAC circuit and RF circuit, for signal conversion and optimization.

[0016] As a preferred technical solution, the eSIM chip conforms to the GSMA standard, supports remote over-the-air operator configuration, and is connected with the mobile terminal APP through Bluetooth.

[0017] As a preferred technical solution, the Bluetooth module is used for:

[0018] establishing wireless connection with the mobile terminal;

[0019] receiving eSIM management instructions from the mobile terminal;

[0020] transmitting eSIM card data to the master processing unit through Bluetooth communication.

[0021] As a preferred technical solution, the power management module comprises:

[0022] USB charging interface, for external power supply;

[0023] Adapter interface, for connecting different power adapters;

[0024] Battery management circuit, for charging and discharging control of the built-in battery and monitoring the battery status.

[0025] As a preferred technical solution, the master processing unit comprises:

[0026] Data processing module, for managing LTE data packets and WiFi signal processing;

[0027] Routing control module, for processing user network requests, assigning IP addresses and flow control;

[0028] Interface management module, for controlling communication with the Bluetooth module, power management module and other peripheral devices.

[0029] As a preferred technical solution, the storage module is used for:

[0030] The operating system and the driver program of the storage device;

[0031] The operator profile of the user eSIM card is stored.

[0032] The utility model discloses the beneficial effect is: the utility model discloses the mode of integrated eSIM chip, supports GSMA standard agreement, and through bluetooth and mobile terminal APP connection, realizes the remote management of eSIM, including remote activation, switching operator, package download and so on Function. User need not replace physical SIM card, can switch local network in different countries or regions quickly, avoids high international roaming expense, greatly promotes convenience and adaptability;

[0033] The wireless router can automatically identify the country or region where the user is located through the eSIM chip, and match the operator package suitable for the current network environment, realize automatic switching or manual switching network connection, the user can purchase or subscribe the traffic package of different regions in advance, directly enable after reaching the destination, avoid the inconvenience of frequently changing SIM card or temporary purchase of traffic package, especially suitable for cross-border business people, travelers and international logistics enterprise user groups;

[0034] The wireless router is equipped with a Bluetooth module, supports wireless connection with a mobile phone, and the user can easily manage the eSIM through the mobile terminal, for example, scans the two-dimensional code to complete the eSIM download or remotely switches different network operators, without using a computer or complex configuration tools, compared with the traditional LTE router, the convenience of use is improved;

[0035] The wireless router integrates an LTE module and a WiFi module, can receive data through the LTE network, and share the data through the WiFi hotspot to multiple terminal devices, supports multiple users to access simultaneously, the WiFi part adopts optimized MAC circuit and RF circuit, improves the stability and coverage range of wireless signal transmission, ensures the network performance under high concurrency, and provides reliable high-speed wireless connection for home, office, travel and other scenes;

[0036] The wireless router supports USB interface power supply and built-in battery management, has intelligent charging and discharging control function, can prolong the endurance time of the equipment, compared with the traditional LTE router which needs external power supply, the utility model can continuously provide network service under the mobile scene, is not limited by fixed power supply, and enhances the portability of the equipment;

[0037] The device supports free switching between eSIM mode and physical SIM card mode, when eSIM is unavailable or the network environment is limited, the user can use the traditional SIM card for network connection, ensuring that the wireless router can provide stable network access service in various scenarios, and adapting to different user needs. BRIEF DESCRIPTION OF DRAWINGS

[0038] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0039] Figure 1 The system block diagram of the present application;

[0040] Figure 2 The circuit principle diagram of the present application. DETAILED DESCRIPTION

[0041] All features disclosed in this specification, or all steps in the disclosed methods or processes, can be combined in any manner, except where features or steps are mutually exclusive.

[0042] Any feature disclosed in this specification, unless stated otherwise, can be replaced by an alternative feature or step having the same or similar effect. That is, unless stated otherwise, each feature is one of a number of equivalent or similar features.

[0043] As Figure 1 and Figure 2 The present application relates to a kind of LTE WiFi wireless routers supporting eSIM card, the device integrates LTE module, WiFi module, eSIM chip, main control processing unit, power management module, Bluetooth module and storage module, can realize eSIM remote management, WiFi data sharing, Bluetooth configuration, multi-mode power supply and stable wireless signal transmission.The structure of the present application and its working mode are described in detail below in conjunction with circuit principle.

[0044] The LTE module of the wireless router is used to receive operator LTE signals and process data. According to the schematic diagram, the module is connected to the antenna, and the antenna part includes ANT100, ANT101, and ANT102, wherein ANT100 is connected to the ground for shielding interference, and ANT101 and ANT102 are connected to the radio frequency front-end circuit through a filtering and impedance matching network to optimize signal quality. After passing through R201 (0Ω resistor), C18 (capacitor), and L6, L7, and L8, the signal enters the filtering circuit to remove noise and interference and improve signal clarity.

[0045] The signal is then input to U202 (ECT818000163 electronic switch), which controls the switching and amplification of the signal. The specific pin functions are as follows:

[0046] Pins 2 and 5 are connected to the radio frequency input end;

[0047] Pins 3 and 4 are connected to the ground for stable signal transmission;

[0048] Pin 6 is used as a switch control signal to determine the signal transmission path.

[0049] After radio frequency signal processing, the signal is further optimized by a band-pass filter composed of L22, L14, L24 (inductors) and C17, C20 (33pF capacitors) to ensure that the signal spectrum meets the LTE communication standard. Finally, the signal is input to U100 (W_QFN_SKY77916-21 LTE radio frequency amplifier) for signal amplification and modulation, and is output to the main control unit through its TRX14-TRX8 data channel to ensure stable reception and transmission of the LTE signal.

[0050] The WiFi module is used to provide wireless local area network (WLAN) signals, and its circuit includes WiFi MAC circuit, radio frequency (RF) circuit, and signal processing unit. The WiFi MAC circuit manages the wireless communication protocol and forwards the WiFi signal data to the main control processing unit, while the RF circuit is responsible for signal transmission and reception. In order to reduce interference and enhance the stability of the WiFi signal, the output end of the WiFi module adopts filtering and signal amplification design, and transmits wireless signals to the outside through the antenna interface for terminal device access.

[0051] The eSIM chip conforms to the GSMA standard and adopts MFF2 VQFN85x6 packaging, supporting OTA remote management.

[0052] The eSIM chip has multiple operator configuration files stored inside, which can be automatically switched according to the country or region under the management of the main control unit to optimize network connection.

[0053] The eSIM chip interacts with the phone APP through the Bluetooth module, realizing eSIM activation, package download and operator switching. The Bluetooth signal is optimized for transmission quality through the R107, R108, C111 filter circuit, ensuring stable communication in low-power Bluetooth BLE mode.

[0054] The power management module ensures stable power supply in different use environments. The module includes a USB charging interface, an adapter interface and a battery management circuit.

[0055] The USB charging interface allows users to power the device with a conventional USB charger, while the adapter interface supports connection with different specifications of external power supply, suitable for long-term use scenarios. In terms of battery management, the device is built-in with intelligent charging and discharging control circuit, which can monitor the battery status in real time and optimize the charging process to prolong the battery life. In addition, the power management module establishes a communication connection with the main control processing unit, so that users can view the battery power in real time through the mobile phone APP and set the low power reminder function, improving the endurance experience of the device.

[0056] The storage module is used to store the operating system, user configuration file and network parameters of the device. The module communicates with the main control unit through SPI or I 2 C interface for high-speed data interaction, the main functions include:

[0057] Store eSIM configuration files to ensure that the device can remotely download operator information;

[0058] Record the connection history of WiFi users to optimize bandwidth allocation;

[0059] Store system logs for maintenance and troubleshooting.

[0060] In terms of data processing, the main control processing unit is the core of the entire system, responsible for managing LTE, WiFi, eSIM and power modules, and its main functions include:

[0061] Data processing module: manage LTE data packets and WiFi signals;

[0062] Routing control module: allocate IP addresses and control traffic;

[0063] Interface management module: coordinate Bluetooth, power and storage module communication.

[0064] The power supply of the main control unit is provided by VBAT and VIO, among which VIO is responsible for adjusting the system voltage and optimizing power consumption, while VRAMP is mainly used to control the LTE signal amplification. In addition, the main control processing unit supports remote firmware upgrade function, which can be updated by users through mobile phone APP or Web interface to ensure the compatibility and stability of the system.

[0065] In practical applications, the utility model can be used for business travel, multinational enterprises, logistics industry and personal portable WiFi demand scene. Users can quickly switch to local operator network in different countries or regions without replacing physical SIM card, thereby reducing international roaming charges.

[0066] At the same time, the Bluetooth management mode enables users to adjust eSIM configuration on the mobile phone side at any time, avoiding the cumbersome operation when switching the traditional SIM card. In addition, the battery endurance of the device is strong, which can continuously provide network service in long-time travel or outdoor environment, ensuring that users can always obtain stable wireless network connection.

[0067] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any change or replacement without creative labor should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited to the protection scope defined in the claims.

Claims

1. An LTE CAT / WIFI wireless router supporting eSIM cards, characterized in that, include: The LTE module is used to receive LTE signals from operators and process the data. The WiFi module is used to provide network access to user devices via a wireless local area network. The eSIM chip is used to store operator information and supports remote configuration of operator networks; The main control processing unit is connected to the LTE module, WiFi module and eSIM chip respectively, and is used to manage data flow, control network connection and user access; The power management module provides power, including USB interface power supply and battery management functions; The Bluetooth module, connected to the main control processing unit, is used to communicate with the mobile terminal to realize eSIM management and remote configuration; The storage module, connected to the main control processing unit, is used to store device configuration, user information, and network parameters.

2. The LTE CAT / WIFI wireless router supporting eSIM card according to claim 1, characterized in that: The WiFi module includes: WiFi MAC circuitry is used to manage wireless communication protocols and data forwarding; Radio frequency (RF) circuits are used for transmitting and receiving wireless signals. The signal processing unit connects the WiFi MAC circuit and the RF circuit and is used for signal conversion and optimization.

3. The LTE CAT / WIFI wireless router supporting eSIM card according to claim 1, characterized in that: The eSIM chip complies with the GSMA standard, supports remote over-the-air download of operator configuration, and connects to a mobile terminal APP via Bluetooth.

4. The LTE CAT / WIFI wireless router supporting eSIM card according to claim 1, characterized in that: The Bluetooth module is used for: Establish a wireless connection with the mobile terminal; Receive eSIM management commands from the mobile terminal; eSIM card data is transmitted to the main control processing unit via Bluetooth communication.

5. The LTE CAT / WIFI wireless router supporting eSIM card according to claim 1, characterized in that: The power management module includes: USB charging port for external power supply; Adapter interface, used to connect different power adapters; The battery management circuit is used to control the charging and discharging of the built-in battery and monitor its status.

6. The LTE CAT / WIFI wireless router supporting eSIM card according to claim 1, characterized in that: The main control processing unit includes: The data processing module is used to manage LTE data packets and process WiFi signals; The routing control module is used to handle user network requests, allocate IP addresses, and control traffic. The interface management module is used to control communication with the Bluetooth module, power management module and other peripheral devices.

7. The LTE CAT / WIFI wireless router supporting eSIM card according to claim 1, characterized in that: The storage module is used for: Operating system and drivers for storage devices; Stores the operator configuration file for the user's eSIM card.

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