Networking recovery system and first ad hoc network terminal
By configuring a short message module in the self-organizing network terminal and utilizing the short message communication link to realize information transmission between the self-organizing network terminal and the emergency command center when the network is disconnected, the connection problem when the self-organizing network equipment is disconnected is solved, and the reliability and efficiency of emergency communication are improved.
Patent Information
- Application Number
- CN202421660731.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-07-12
AI Technical Summary
In special scenarios, when an ad hoc network device is disconnected, it is difficult for the lost terminal to restore connection with other terminals in the ad hoc network, resulting in communication interruption between the command center and on-site personnel, affecting command efficiency and decision-making speed.
By configuring a short message module in the self-organizing network terminal and using the short message communication link to establish a communication connection in the event of a network disconnection, the self-organizing network terminal obtains location information through the short message module and reports it to the emergency command center server. The emergency command center server selects a second self-organizing network terminal that meets the conditions and generates a networking instruction to achieve rapid terminal connection recovery.
In the event of a network outage, the self-organizing network terminal can quickly restore its connection, improving the reliability and efficiency of emergency communications and ensuring communication support in emergency scenarios.
Smart Images
Figure CN223364268U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of communications, and in particular to a networking recovery system and a first self-organizing network terminal. Background Art
[0002] Currently, emergency ad hoc network equipment provides critical communication technology support for communications and command operations, such as urban firefighting, geological disaster rescue, and forest firefighting. However, in certain scenarios, there is a possibility that these devices may become disconnected from other devices in the ad hoc network. This disconnection can disrupt communications between the command center and on-site personnel, severely impacting command efficiency and decision-making speed. Due to their unique location, ad hoc network equipment is likely to be disconnected from the network, making it difficult for these disconnected devices to reconnect to other devices in the network.
[0003] To address the above-mentioned problems, no effective solutions have been proposed so far. Utility Model Content
[0004] The present application provides a network recovery system and a first ad hoc network terminal to solve the above-mentioned technical problem of "it is difficult for an ad hoc network terminal that loses connection with other terminals in the ad hoc network during a network outage to restore connection".
[0005] According to one aspect of an embodiment of the present application, the present application provides a networking recovery system, including: a first self-organizing network terminal, a second self-organizing network terminal and an emergency command center server. The first self-organizing network terminal and the emergency command center server establish a communication connection through a short message communication link when the network is disconnected. The short message communication link passes through the short message module, satellite, ground center station, data center and emergency command center server in sequence.
[0006] According to another aspect of the embodiment of the present application, the present application provides a first self-organizing network terminal, which is a lost terminal in the self-organizing network. The first self-organizing network terminal includes an MCU and a short message module, wherein the MCU controls the startup of the short message module and instructs the short message module to report the location; the short message module obtains the current first location information and reports the first location information to the emergency command center server through the short message communication link, and the short message communication link passes through the short message module, satellite, ground center station, data center and emergency command center server in sequence.
[0007] Optionally, the short message module includes a SIM card, and the SIM card is used to store the first location information of the terminal.
[0008] Optionally, the short message module further includes a baseband chip, which is connected to the SIM card and the MCU respectively, and is used to read the first location information from the SIM card and convert the first location information into a first baseband signal.
[0009] Optionally, the short message module further includes an RF transceiver chip, which is connected to the baseband chip and is used to convert a first baseband signal transmitted by the baseband chip into a first radio frequency signal.
[0010] Optionally, the short message module further includes a transmission link, which is connected to the RF transceiver chip and is configured to receive a first radio frequency signal sent by the RF transceiver chip and perform amplification and filtering on the first radio frequency signal.
[0011] Optionally, the short message module further includes a transmitting antenna, which is connected to the transmitting link and is used to convert the first radio frequency signal processed by the transmitting link into a first electromagnetic wave and transmit the first electromagnetic wave.
[0012] Optionally, the short message module further includes a receiving antenna, and the receiving antenna is used to receive the second electromagnetic wave transmitted through the short message communication link.
[0013] Optionally, the short message module further includes a receiving link, which is connected to a receiving antenna, and is used to amplify and filter the second electromagnetic wave received by the receiving antenna to obtain a second radio frequency signal.
[0014] Optionally, the RF transceiver chip is further connected to the receiving link, and is configured to convert the second radio frequency signal transmitted by the receiving link into a second baseband signal, and send the second baseband signal to the baseband chip.
[0015] The above technical solution provided by the embodiment of the present application has the following advantages compared with the related art:
[0016] This application provides a network recovery system, comprising: a first ad hoc network terminal, a second ad hoc network terminal, and an emergency command center server. In the event of a network outage, the first ad hoc network terminal and the emergency command center server establish a communication connection via a short message communication link. The short message communication link sequentially passes through a short message module, a satellite, a ground central station, a data center, and the emergency command center server. This system solves the problem of difficulty in restoring connections between an ad hoc network terminal that loses connection during a network outage and other terminals in the ad hoc network. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or related technologies, the following briefly introduces the drawings required for use in the embodiments or related technical descriptions. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0019] Figure 1 A schematic diagram of an optional network recovery system provided according to an embodiment of the present application;
[0020] Figure 2 A schematic diagram of another optional network recovery system provided according to an embodiment of the present application;
[0021] Figure 3 A schematic diagram of an optional first ad hoc network terminal provided according to an embodiment of the present application;
[0022] Figure 4 This is a schematic structural diagram of an optional first ad hoc network terminal provided according to an embodiment of the present application;
[0023] Figure 5 The present invention provides an optional short message module according to an embodiment of the present application. DETAILED DESCRIPTION
[0024] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.
[0025] In the following description, the suffixes such as "module", "part" or "unit" used to represent elements are only used to facilitate the description of this application and have no specific meaning. Therefore, "module" and "part" can be used interchangeably.
[0026] Currently, emergency ad hoc network equipment provides critical communication technology support for communications and command operations, such as urban firefighting, geological disaster rescue, and forest firefighting. However, in certain scenarios, there is a possibility that these devices may become disconnected from other devices in the ad hoc network. This disconnection can disrupt communications between the command center and on-site personnel, severely impacting command efficiency and decision-making speed. Due to their unique location, ad hoc network equipment is likely to be disconnected from the network, making it difficult for these disconnected devices to reconnect to other devices in the network.
[0027] In order to solve the problems mentioned in the background technology, according to one aspect of the embodiment of the present application, a network recovery system is provided, such as Figure 1As shown, it includes: a first self-organizing network terminal 102, a second self-organizing network terminal 104 and an emergency command center server 106. The first self-organizing network terminal 102 and the emergency command center server establish a communication connection through a short message communication link when the network is disconnected. The short message communication link passes through the short message module, satellite, ground center station, data center and emergency command center server in sequence.
[0028] The first self-organizing network terminal is used to obtain its current first location information when entering an emergency state; and use the short message module to send the first location information to the emergency command center server through the short message communication link, wherein the emergency state is that the first self-organizing network terminal cannot establish a communication connection with any terminal in the self-organizing network.
[0029] The emergency command center server is used to select a second self-organizing network terminal from each third self-organizing network terminal according to the first location information when receiving the first location information, wherein the third self-organizing network terminal is a terminal in the self-organizing network other than the first self-organizing network terminal, and the second self-organizing network terminal is a terminal in the self-organizing network that meets the preset conditions; use the first location information to generate a networking instruction, and send the networking instruction to the second self-organizing network terminal.
[0030] The second self-organizing network terminal is used to form a network with the first self-organizing network terminal according to the networking instruction when receiving the networking instruction sent by the emergency command center server to complete network recovery.
[0031] The present application provides a network recovery system, which pre-configures a short message module and a short message communication link for each self-organizing network terminal in the self-organizing network. The short message module is used to obtain its own location information and send it to the emergency command center server through the short message communication link after the self-organizing network terminal is disconnected from other terminals (i.e., enters an emergency state, and the disconnected terminal in the present application is the first self-organizing network terminal). Since the emergency command center server can maintain interaction with other self-organizing network terminals (corresponding to the third self-organizing network terminal in the present application) other than the first self-organizing network terminal, it can obtain the location information of other self-organizing network terminals, and through further analysis, it can select a second self-organizing network terminal with a quick preset condition, and then generate a networking instruction and send it to the second self-organizing network terminal. In this way, the second self-organizing network terminal can be networked with the first self-organizing network terminal according to the networking instruction.
[0032] Figure 2The overall schematic diagram of the networking recovery system provided for the present application is shown in the figure. The self-organizing network includes multiple self-organizing network terminals, each terminal includes a short message module, and the newly added link (dashed line without arrow) is a short message communication link. The short message module reports its own position information through the short message communication link. The first self-organizing network terminal that enters the emergency state is connected to the satellite through the newly added link. The first self-organizing network terminal urgently reports the position information to the emergency command center terminal (that is, the emergency command center server of the present application) through the newly added link. The original link (dashed line with arrow) is a conventional communication link (including WIFI, 4G, IP (Internet Protocol, Internet Interconnection Protocol), private network communication or Beidou, etc.). The self-organizing network terminal can interact normally with the emergency command center server through the original link when it is not disconnected.
[0033] The short message communication link passes through the short message module, satellite, ground center station, data center and emergency command center in sequence. This application adds a new communication link between the short message module and the satellite. Even in the event of a network outage, it will not affect the signal transmission between the short message module and the satellite. The satellite has the ability to communicate with the ground center station, the ground center station transmits information to the data center, and the data center sends the information to the emergency command center. Therefore, the information transmission between the first self-organizing network terminal and the emergency command center can be realized through the short message communication link.
[0034] When the first self-organizing network terminal detects that it has entered an emergency state, it triggers the emergency reporting mechanism, obtains its own location and reports it to the emergency command center server, so that the emergency command center server generates a networking instruction and sends the networking instruction to the second self-organizing network terminal that meets the preset conditions. The networking instruction carries relevant information such as the terminal location and terminal name of the first self-organizing network terminal. Meeting the preset conditions can be understood as meeting both the conditions of short communication distance and high communication intensity.
[0035] The ad hoc network terminals involved in this application are all narrowband ad hoc network devices with short message functions.
[0036] The emergency command center server can interact normally with the third ad hoc network terminal in the ad hoc network through the original communication link, and needs to transmit information with the lost first ad hoc network terminal through the short message communication link.
[0037] The second ad hoc network terminal is a terminal that meets preset conditions in the ad hoc network, that is, a terminal that can simultaneously meet the requirements of a short distance between two terminals and a strong signal strength.
[0038] It should be noted that among each third self-organizing network terminal, there may be multiple terminals that can be re-networked with the first self-organizing network terminal, but the emergency command center server will select the best second self-organizing network terminal from them, so that the second self-organizing network terminal can quickly be networked with the first self-organizing network terminal.
[0039] The second location information includes but is not limited to the longitude, latitude, and altitude of the third ad hoc network terminal.
[0040] The emergency command center server can obtain the second location information of each third self-organizing network terminal, and then compare the first location information with the second location information to find the terminal whose distance from the first self-organizing network terminal is less than the distance threshold. The distance threshold can be set according to actual conditions, and this application does not limit this.
[0041] Next, the emergency command center server detects the signal strength of the first self-organizing network terminal and each third self-organizing network terminal, and selects the second self-organizing network terminal with the highest possible strength while being at a short distance from the first self-organizing network terminal. The second self-organizing network terminal can be determined by weighted algorithms.
[0042] After selecting the second ad hoc network terminal, the emergency command center server also generates prompt information and sends it to each third ad hoc network terminal to let the user of the third ad hoc network terminal know that the first ad hoc network terminal in the ad hoc network is currently disconnected.
[0043] After the second self-organizing network terminal successfully establishes a network with the first self-organizing network terminal, the first self-organizing network terminal releases the emergency state and completes network recovery.
[0044] During emergency rescue or command, when a self-organizing network device is disconnected from other devices and there is no other communication method, it sends its own detailed location information through the short message module. The terminals of other teammates will actively seek to re-establish connections and restore the network after receiving the information from the emergency command center.
[0045] It should be noted that the composition of each terminal in the self-organizing network provided in this application is the same, so it will not be repeated. This application only describes the first self-organizing network terminal in detail, and then describes the components of the first self-organizing network terminal in detail.
[0046] According to another aspect of the embodiment of the present application, a first self-organizing network terminal is provided. The first self-organizing network terminal is a disconnected terminal in the self-organizing network, such as Figure 3As shown, the first self-organizing network terminal includes an MCU and a short message module, wherein the MCU controls the startup of the short message module and instructs the short message module to report the location; the short message module obtains the current first location information and reports the first location information to the emergency command center server through the short message communication link. The short message communication link passes through the short message module, satellite, ground center station, data center and emergency command center server in sequence.
[0047] The short message module provided in this application is a Beidou short message module, which has a positioning function.
[0048] The first location information includes but is not limited to the longitude, latitude, and altitude of the first ad hoc network terminal.
[0049] The MCU detects that it has entered an emergency state, including: when it detects that the connection with the fourth self-organizing network terminal that was originally able to communicate in the self-organizing network is disconnected, it will first try to establish a connection with the fourth self-organizing network terminal, wherein the fourth self-organizing network terminal is a terminal in the self-organizing network that has an interactive relationship with the first self-organizing network terminal; if the communication connection can be restored, the emergency state will not be entered. If the attempt to restore the connection fails and the number of continuous failures reaches a preset number, then the first self-organizing network terminal will enter an emergency state, which means that the immediate location needs to be reported to the emergency command center.
[0050] The preset number of times can be set according to actual conditions, and this application does not limit this.
[0051] For example, during the lost terminal location phase, multiple terminals form an ad hoc network and confirm their connection to other networked terminals through voice interaction and their own terminal display. However, due to strong external interference or uncertain factors, one or more of these terminals loses their location information, and the system is temporarily unable to confirm their location information. This is the first ad hoc network terminal. At this point, the terminal discovers it is disconnected from other devices and repeatedly attempts to restore the connection without success, entering an emergency state.
[0052] Figure 4The structural diagram of the first self-organizing network terminal provided in this application is shown in the figure, including an MCU (Microcontroller Unit), a newly added link and other links (link one, link two and link three). Each link is connected to the MCU and ANT (Antenna hardware interface). Among them, link one is connected to the MCU through the SDIO (Secure Digital Input and Output) interface, and link one is used to communicate with the outside world through WIFI; link two is connected to the MCU through the USB interface and McASP1 / UART3 (Universal Asynchronous Receiver / Transmitter), and link two is used to communicate with the outside world through LTE (Long Term Evolution); link three is connected to the MCU through the serial port UART3, and link three is used to communicate with the outside world through GPS (Global Positioning System).
[0053] Figure 5 This is a structural diagram of the short message module in the first ad hoc network terminal. As shown in the figure, the short message module includes a SIM card, a baseband chip, an RF (Radio Frequency) transceiver chip, a transmission link (including a PA (Power Amplifier) and a filter), a transmitting antenna, a receiving link (including an LNA (Low Noise Amplifier) and a filter), a receiving antenna, a power management and an OSC (also called an oscillator). The following is a detailed description of each component:
[0054] The baseband chip and MCU communicate through the GPIO serial port and the UART serial port. The control signal RESET is used to control the reset of the short message module, and the control signal POWER_EN is used to control the switch of the short message module.
[0055] The short message module is powered by power management, and the 5V in the figure is used as the module power input;
[0056] OSC acts as a crystal oscillator module, providing crystal oscillator signals for the RF transceiver chip;
[0057] The SIM card is used to store the terminal's location information;
[0058] The baseband chip is used to read the first location information in the SIM card and convert the first location information into a first baseband signal when receiving a location reporting instruction sent by the MCU, and to extract information from the second baseband signal transmitted by the RF transceiver chip when the terminal receives a message sent by the emergency command center server;
[0059] The RF transceiver chip is connected to the baseband chip, and is used to convert the first baseband signal transmitted by the baseband chip into a first radio frequency signal, and convert the second radio frequency signal transmitted by the receiving link into a second baseband signal, and send it to the baseband chip;
[0060] The power amplifier and filter in the transmission link are used to amplify and filter the first radio frequency signal respectively, and then convert it into a first electromagnetic wave via the transmission antenna and send it to the satellite;
[0061] The low noise power amplifier and the filter in the receiving link are used to respectively amplify and filter the second electromagnetic wave received by the receiving antenna to obtain a second radio frequency signal.
[0062] As an optional embodiment, the short message module includes a SIM card, and the SIM card is used to store the first location information of the terminal.
[0063] The content stored in the SIM card includes but is not limited to the real-time location information of the terminal.
[0064] As an optional embodiment, the short message module also includes a baseband chip, which is connected to the SIM card and the MCU respectively. The baseband chip is used to read the first location information from the SIM card and convert the first location information into a first baseband signal when receiving a location reporting instruction sent by the MCU.
[0065] The baseband chip communicates with the MCU through the GPIO serial port and the UART serial port. When receiving the location reporting instruction sent by the MCU, it reads the first location information from the SIM card and converts the first location information into a first baseband signal, which can be understood as information encoding into a baseband code for transmission.
[0066] As an optional embodiment, the short message module further includes an RF transceiver chip, which is connected to the baseband chip and is used to convert the first baseband signal transmitted by the baseband chip into a first radio frequency signal.
[0067] The RF transceiver chip is a chip that can process wireless signals and is used to convert the first baseband signal transmitted by the baseband chip into a first radio frequency signal in a format suitable for transmission through an RF channel.
[0068] As an optional embodiment, the short message module further includes a transmission link, which is connected to the RF transceiver chip and is used to receive a first radio frequency signal sent by the RF transceiver chip and perform amplification and filtering on the first radio frequency signal.
[0069] The transmission chain includes a power amplifier and a filter. The power amplifier is used to amplify the first radio frequency signal, and the filter is used to filter the amplified first radio frequency signal.
[0070] As an optional embodiment, the short message module further includes a transmitting antenna, which is connected to the transmitting link and is used to convert the first radio frequency signal processed by the transmitting link into a first electromagnetic wave and transmit the first electromagnetic wave.
[0071] As an optional embodiment, the short message module further includes a receiving antenna, and the receiving antenna is used to receive the second electromagnetic wave transmitted through the short message communication link.
[0072] If the emergency command center server sends a message to the first self-organizing network terminal, it is first transmitted to the satellite via electromagnetic waves, and then the satellite transmits it to the receiving antenna.
[0073] As an optional embodiment, the short message module further includes a receiving link, which is connected to the receiving antenna. The receiving link is used to amplify and filter the second electromagnetic wave received by the receiving antenna to obtain a second radio frequency signal.
[0074] The receiving link includes two low-noise power amplifiers and two filters. The first-stage low-noise amplifier amplifies the signal and outputs it to the first-stage filter. The signal is filtered to obtain a specific frequency signal, which is then amplified by the second-stage low-noise amplifier and output to the second-stage filter for secondary filtering.
[0075] As an optional embodiment, the RF transceiver chip is further connected to the receiving link, and is configured to convert the second radio frequency signal transmitted by the receiving link into a second baseband signal, and send the second baseband signal to the baseband chip.
[0076] For example, when the first self-organizing network terminal loses connection, the MCU controls the short message module to start and communicate with the baseband chip. The baseband chip reads the current first location information of the terminal in the SIM card. The first location information enters the RF transceiver chip through the UART serial port. The RF transceiver chip modulates the baseband information processed by the logic circuit into a transmitting intermediate frequency, filters it through the filter of the transmitting link, amplifies it through the power amplifier PA, and then converts it into the first electromagnetic wave by the transmitting antenna and transmits it to the satellite.
[0077] For example, when the receiving antenna of the first self-organizing network terminal receives information sent by the emergency command center server, the second electromagnetic wave carrying the information is converted into a weak AC current signal, amplified by the first-stage low-noise amplifier, output to the first-stage filter, filtered to obtain a specific frequency signal, and then amplified by the second-stage low-noise amplifier, output to the second-stage filter for secondary filtering, sent to the RF transceiver chip, demodulated within the intermediate frequency, and communicated with the baseband chip via the UART serial port to obtain the information content.
[0078] The network recovery system provided in this application can achieve rapid recovery when a self-organizing network terminal is disconnected. Incorporating Beidou short messages (i.e., short message modules) into emergency communication products as a supplement to self-organizing networks can enhance communication security in emergency scenarios, form a secure recovery link backup, protect the narrowband self-organizing network in emergency scenarios, and form a key emergency technology.
[0079] The present application provides a network recovery system, comprising: a first self-organizing network terminal, a second self-organizing network terminal and an emergency command center server. The first self-organizing network terminal and the emergency command center server establish a communication connection through a short message communication link when the network is disconnected. The short message communication link passes through a short message module, a satellite, a ground center station, a data center and an emergency command center server in sequence. The first self-organizing network terminal that loses connection sends its own location information to the emergency command center server through the short message communication link. Then, the emergency command center server selects a second self-organizing network terminal that meets the conditions for rapid network recovery based on the location information, and sends a networking instruction to the second self-organizing network terminal, so that the second self-organizing network terminal and the first self-organizing network terminal are networked, and network recovery is completed as soon as possible, thereby solving the problem that it is difficult for a self-organizing network terminal that loses connection with other terminals in the self-organizing network when the network is disconnected to restore connection.
[0080] In the description of this application, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for the purpose of facilitating the description of this application and simplifying the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying importance. The terms "bottom" and "top," as well as "inner" and "outer," refer to directions toward or away from a specific component, respectively.
[0081] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances. In addition, in the description of this application, unless otherwise specified, "plurality" means two or more.
[0082] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application.
Claims
1. A network recovery system, characterized in that: include: The first self-organizing network terminal, the second self-organizing network terminal and the emergency command center server, the first self-organizing network terminal and the emergency command center server establish a communication connection through a short message communication link when the network is disconnected, and the short message communication link passes through the short message module, satellite, ground center station, data center and the emergency command center server in sequence.
2. A first self-organizing network terminal, characterized in that: The first self-organizing network terminal is a lost terminal in the self-organizing network, and the first self-organizing network terminal includes an MCU and a short message module, wherein: The MCU controls the short message module to start, and instructs the short message module to report the location; The short message module obtains the current first location information and reports the first location information to the emergency command center server through a short message communication link. The short message communication link passes through the short message module, satellite, ground center station, data center and the emergency command center server in sequence.
3. The terminal according to claim 2, characterized in that The short message module includes a SIM card, and the SIM card is used to store the first location information of the terminal. The terminal according to claim 3, wherein: The short message module further includes a baseband chip, which is connected to the SIM card and the MCU respectively. The baseband chip is used to read the first location information from the SIM card and convert the first location information into a first baseband signal. The terminal according to claim 4 , wherein: The short message module further includes an RF transceiver chip, which is connected to the baseband chip and is used to convert the first baseband signal transmitted by the baseband chip into a first radio frequency signal. The terminal according to claim 5 , wherein: The short message module also includes a transmission link, which is connected to the RF transceiver chip and is used to receive the first radio frequency signal sent by the RF transceiver chip and perform amplification and filtering on the first radio frequency signal.
7. The terminal according to claim 6, characterized in that The short message module further includes a transmitting antenna, which is connected to the transmitting link and is configured to convert the first radio frequency signal processed by the transmitting link into a first electromagnetic wave and transmit the first electromagnetic wave. The terminal according to claim 5 , wherein: The short message module further includes a receiving antenna, which is used to receive the second electromagnetic wave transmitted through the short message communication link.
9. The terminal according to claim 8, characterized in that The short message module further includes a receiving link, which is connected to the receiving antenna. The receiving link is used to amplify and filter the second electromagnetic wave received by the receiving antenna to obtain a second radio frequency signal.
10. The terminal according to claim 9, characterized in that The RF transceiver chip is also connected to the receiving link, and is configured to convert a second radio frequency signal transmitted by the receiving link into a second baseband signal, and send the second baseband signal to the baseband chip.