FTU emergency communication method and system based on Beidou No.3 communication

Abstract

The invention discloses an FTU emergency communication method and system based on Beidou No.3 communication, and relates to the technical field of power distribution monitoring and communication, and the method comprises the steps: receiving and measuring a signal based on an FTU equipment communication mode, and carrying out the position calculation and bidirectional message communication; processing the residual length of the sent first data based on bidirectional message communication to obtain a reserved space; performing data frame splicing based on the reserved space; judging and operating emergency data in the first data; the FTU data is transmitted by utilizing a specific transmission mode of the Beidou No.3, 1750 bytes can be transmitted at most each time, the frequency reaches 60 seconds, the integrity and the timeliness transmission of the data are ensured, the smoothness of normal data transmission is improved, and strong strain capacity is shown in emergency situations.

Description

Technical Field

[0001] The present invention relates to the field of power distribution monitoring and communication technology, and in particular to a FTU emergency communication method and system based on BeiDou-3 communication. Background Art

[0002] With the rapid development of my country's economy, the demand for electricity has increased rapidly, and the safe and stable operation of the power system has become an important guarantee for national energy security. In the power system, distribution automation is one of the key technologies to improve power supply reliability and efficiency. As an important part of the distribution automation system, the feeder terminal unit (FTU) plays a vital role in distribution control and monitoring. FTU ensures the normal operation of the power system by real-time monitoring and control of the status of the distribution line.

[0003] In recent years, Beidou-based FTU communication technology has gradually been widely used, especially in remote areas or areas with poor signal coverage, where Beidou satellite communication has significant advantages. However, the existing Beidou-based FTU communication scheme still has some shortcomings when responding to emergencies, which are mainly manifested in the following aspects: In the existing scheme, the data transmission logic is relatively simple and lacks a priority processing mechanism for emergency data. In the event of an emergency, key information cannot be transmitted quickly, resulting in a delay in emergency response; the existing Beidou-based FTU communication equipment usually uses a lower transmission frequency and a slow data transmission speed, which is difficult to meet the needs of real-time monitoring and rapid response. For example, the transmission frequency of Beidou II is usually once every 15 minutes, and the amount of data is also limited, with a maximum of 120 bytes transmitted each time; in abnormal emergency situations, the existing communication mechanism cannot fully utilize the bandwidth resources provided by the Beidou communication system, resulting in low communication efficiency. This is particularly evident in emergency situations, when large amounts of data need to be transmitted quickly to guide emergency response; the existing FTU communication schemes are mostly single communication modes, usually relying on Beidou communication or mobile networks (such as 4G, 5G), and lack flexible switching mechanisms. In certain specific situations, the limitations of a single communication mode may lead to communication interruption or delay, affecting the efficiency of emergency response. Summary of the invention

[0004] In view of the above-mentioned problems, the present invention is proposed.

[0005] Therefore, the technical problem solved by the present invention is: how to improve the stability of data transmission and command response efficiency of FTU real-time monitoring.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] In a first aspect, an embodiment of the present invention provides a FTU emergency communication method based on BeiDou-3 communication, including:

[0008] Based on the FTU equipment communication mode, it receives and measures signals, performs position calculation and two-way message communication;

[0009] Based on the two-way message communication, processing the remaining length of the first data to be sent to obtain the reserved space;

[0010] Based on the reserved space, data framing is performed to speed up the first data transmission;

[0011] The urgent data in the first data is judged and operated.

[0012] As a preferred solution of the FTU emergency communication method based on BeiDou-3 communication,

[0013] The processing of the remaining length of the first data to be sent based on the two-way message communication includes:

[0014] For the portion of the first data sent that fails to occupy the entire data transmission bandwidth, a remaining space is calculated and used as a reserved space.

[0015] As a preferred solution of the FTU emergency communication method based on BeiDou-3 communication,

[0016] The data splicing based on the reserved space includes:

[0017] When the frame header and the first part of the data in the reserved space are ready, the program pauses sending until the second part of the data is received.

[0018] As a preferred solution of the FTU emergency communication method based on BeiDou-3 communication,

[0019] The data splicing based on the reserved space further includes:

[0020] Obtain a complete data sequence including a frame header, a first piece of data, and a second piece of data;

[0021] A frame tail is added to the complete data sequence to form a complete data packet.

[0022] As a preferred solution of the FTU emergency communication method based on BeiDou-3 communication,

[0023] The judging and operating the emergency data in the first data includes:

[0024] Make the first judgment: whether urgent data is received;

[0025] If the result of the first judgment is yes, the second judgment is performed: whether there is data before the urgent data;

[0026] If the first judgment result is no, wait until the data fills the BeiDou-3 communication sending length before sending the data;

[0027] If the second judgment result is yes, the urgent data is sent directly and the data before the urgent data is saved;

[0028] If the second judgment result is no, the urgent data is sent.

[0029] As a preferred solution of the FTU emergency communication method based on BeiDou-3 communication,

[0030] The receiving and measuring signals, performing position calculation and two-way message communication based on the FTU device communication mode includes:

[0031] The user terminal receives RDSS signals broadcast by at least one GEO satellite and RNSS signals from at least four MEO or IGSO satellites;

[0032] The user terminal measures the time difference between the RNSS signal being transmitted from the satellite and being received by the user terminal;

[0033] The measured time difference parameters are sent to the master control station via the GEO satellite.

[0034] As a preferred solution of the FTU emergency communication method based on BeiDou-3 communication,

[0035] The receiving and measuring signals based on the FTU device communication mode, performing position calculation and two-way message communication also includes:

[0036] The master control station uses the received time difference parameters to calculate the location of the user terminal;

[0037] The master control station and the user terminal perform two-way timing via GEO satellite;

[0038] The user terminal conducts two-way message communication with the main control station through the GEO satellite.

[0039] In a second aspect, an embodiment of the present invention provides a FTU emergency communication system based on BeiDou-3 communication, including:

[0040] The signal processing and position calculation module is used to receive and measure signals, perform position calculation and two-way message communication based on the FTU equipment communication mode;

[0041] A data management module, used for processing the remaining length of the first data to be sent based on the two-way message communication to obtain the reserved space;

[0042] A data splicing module, used for performing data splicing based on the reserved space;

[0043] The emergency data processing module is used to judge and operate the emergency data in the first data.

[0044] In a third aspect, an embodiment of the present invention provides a computing device, including:

[0045] Memory and processor;

[0046] The memory is used to store computer-executable instructions, and the processor is used to execute the computer-executable instructions. When the one or more programs are executed by the one or more processors, the one or more processors implement the FTU emergency communication method based on Beidou-3 communication as described in any embodiment of the present invention.

[0047] In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium storing computer-executable instructions, which, when executed by a processor, implement the FTU emergency communication method based on BeiDou-3 communication.

[0048] The beneficial effects of the present invention are as follows: the present invention utilizes the unique transmission mode of BeiDou-3 to transmit FTU data, which can make each transmission up to 1750 bytes and the frequency reach once every 60 seconds; BeiDou-3 communication is mainly used to compensate for transmission requirements to meet applications; according to the mode, it can be divided into data transmission based on BeiDou communication or data transmission based on 4G and 5G. In actual application, the transmission mode can be flexibly selected according to the on-site conditions. After the equipment is installed, FTU emergency communication based on BeiDou-3 can be completed, and the transmission length and frequency are better than BeiDou-2; through the in-depth optimization of programming technology, it focuses on solving its original sending frequency bottleneck, aiming to reduce unnecessary communication occupation and improve overall resource utilization; it focuses on intelligent identification and priority management. When the system receives emergency data, it will immediately process it efficiently and ensure that it is sent first to meet the requirements of real-time and importance; a set of exception handling mechanisms are designed for possible error reporting situations. Once an error is found, it can be quickly captured, analyzed and corresponding corrective measures can be taken to ensure the integrity and timely transmission of data, which not only improves the fluency of normal data transmission, but also shows strong adaptability when facing emergencies. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative labor.

[0050] Figure 1It is an overall flow chart of the FTU emergency communication method based on BeiDou-3 communication described in the present invention;

[0051] Figure 2 It is a BeiDou-3 positioning communication link diagram of the FTU emergency communication method based on BeiDou-3 communication described in the present invention;

[0052] Figure 3 It is a frame splicing operation flow chart of the FTU emergency communication method based on BeiDou-3 communication described in the present invention;

[0053] Figure 4 It is an emergency data processing flow chart of the FTU emergency communication method based on BeiDou-3 communication described in the present invention. DETAILED DESCRIPTION

[0054] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the drawings of the specification. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in the art without creative work should fall within the scope of protection of the present invention.

[0055] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0056] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0057] Example 1

[0058] Reference Figure 1 , which is the first embodiment of the present invention, and provides a FTU emergency communication method based on BeiDou-3 communication, including:

[0059] S1: Based on the FTU device communication mode, it receives and measures signals, performs position calculation and two-way message communication;

[0060] S2: Based on the two-way message communication, processing the remaining length of the first data to be sent, to obtain the reserved space;

[0061] S3: performing data framing based on the reserved space to speed up the first data transmission;

[0062] S4: judging and operating the urgent data in the first data.

[0063] It should be noted that, through steps S1-S4, this embodiment is dedicated to improving the data transmission process, improving performance while enhancing the stability and response speed of the system, so that both ordinary data and emergency events can be efficiently transmitted and processed.

[0064] Example 2

[0065] Reference Figure 1-Figure 4 , which is an embodiment of the present invention, provides a FTU emergency communication method based on BeiDou-3 communication based on the previous embodiment, including:

[0066] In the embodiment of the present application, the above step S1 receives and measures signals based on the FTU device communication mode, performs position calculation and two-way message communication, including:

[0067] Install the FTU device at the designated location to ensure that the device can receive BeiDou-3 satellite signals normally.

[0068] Connect the device to power and make sure it is turned on.

[0069] Select the appropriate communication mode according to the on-site situation. If you choose BeiDou-3 communication, enter the corresponding setting interface to ensure that the device can receive and send BeiDou-3 signals.

[0070] If you choose 4G / 5G data transmission, configure the corresponding network parameters.

[0071] In another possible implementation, the device parameters may also be manually configured, and detailed settings may be performed through the device panel or computer software.

[0072] Automatic configuration is also possible, where the device automatically identifies and configures the communication mode through a preset program.

[0073] Remote configuration is also possible, which is done by remotely controlling the device over the network. This is suitable for devices installed in locations where direct operation is difficult.

[0074] The user terminal receives RDSS signals broadcast by at least one GEO satellite and RNSS signals from at least four MEO or IGSO satellites;

[0075] The user terminal measures the time difference between the RNSS signal being transmitted from the satellite and being received by the user terminal;

[0076] The measured time difference parameters are sent to the master control station via the GEO satellite.

[0077] The master control station uses the received time difference parameters to calculate the location of the user terminal.

[0078] The master control station and the user terminal perform two-way timing via GEO satellite to ensure time synchronization.

[0079] The user machine conducts two-way message communication with the main control station through the GEO satellite to ensure timely transmission of data.

[0080] like Figure 2 The figure shows the BeiDou-3 positioning communication link diagram. The generalized RDSS system is functionally identical to the RDSS system. The main advantages are two-fold. First, only one GEO satellite is needed for coverage. With the same number of GEO satellites, the coverage range and system capacity can be increased. Second, the relative measurement values ​​of non-geostationary orbit satellites are used for position calculation. The satellite spatial geometry is relatively better and the positioning accuracy is higher.

[0081] In another possible implementation, a single GEO satellite may be used for signal reception and communication.

[0082] GEO satellites and MEO / IGSO satellites can also be used in combination to improve the diversity and reliability of signal reception.

[0083] In the embodiment of the present application, in the above step S2, based on the two-way message communication, processing the remaining length of the first data to be sent to obtain the reserved space includes:

[0084] For the portion of the first data sent that fails to occupy the entire data transmission bandwidth, a remaining space is calculated and used as a reserved space.

[0085] Specifically, the first data refers to various data collected by the FTU (remote terminal unit) in the power system, such as voltage, current, power and other measurement values, as well as equipment status information, etc. In normal operation, these data will be regularly uploaded to the master station through the communication link for monitoring and management.

[0086] It should be noted that during the communication process, the BeiDou-3 communication system sets a rule: the maximum carrying capacity of each information packet is limited to 1750 bytes and after each transmission, it is necessary to wait for 60 seconds before sending the next hop data again. Taking the current transmission of 1000 bytes as an example, this means that there is still 750 bytes of space that is not fully utilized. If the current data is sent directly, if other content is sent again, the message cannot be sent because it exceeds the prescribed frequency limit.

[0087] In order to ensure data integrity and handle possible problems, this solution designs a strategy for handling the remaining length of the sent data.

[0088] Specifically, for data transmission that does not occupy the entire data transmission bandwidth, the remaining data space will be reserved. This mechanism allows the free space to record detailed error reports if a data transmission error occurs, helping the receiver identify the problem and possibly provide the necessary information for subsequent repairs.

[0089] When an emergency situation requires the rapid delivery of important information, the remaining space is used as an emergency channel to convey key updates, ensuring that important business content can be effectively communicated in time-sensitive situations.

[0090] It should be noted that this step improves communication efficiency and reliability by finely managing data transmission and reserved space, taking into account accurate transmission under normal circumstances as well as remedial measures and priority guarantees under abnormal circumstances.

[0091] In another possible implementation, the remaining length may be processed according to a fixed rule, such as reserving a fixed byte for error reporting after each transmission.

[0092] The remaining length can also be adjusted dynamically, automatically adjusting the reserved space according to the current communication requirements and error rate.

[0093] A priority mechanism can also be introduced so that urgent data automatically occupies the remaining space and ordinary data is allocated on demand.

[0094] In the embodiment of the present application, the data splicing based on the reserved space in the above step S3 includes:

[0095] When the frame header and the first part of the data in the reserved space are ready, the program pauses sending until the second part of the data is received.

[0096] Specifically, the frame header and the first data section wait for the second data segment to enter before adding the frame tail for data encapsulation and sending. Each transmission occupies the data bandwidth to maximize the data transmission efficiency and solve the problem of slow transmission speed and small data bandwidth of FTU real-time data communication. In view of the common problems of low transmission efficiency and limited bandwidth of FTU (remote terminal unit) in real-time data communication, the present invention adopts an optimized splicing technology, specifically:

[0097] like Figure 3 As shown in FIG. 1 , when the frame header and the first part of the data are ready, the program pauses sending until the second part of the data is received. This is done to avoid unnecessary idle bandwidth and ensure that each frame of data can fully fill the bandwidth resources.

[0098] After obtaining a complete data sequence including the frame header, the first data and the second data, a frame tail is added to form a complete data packet. This encapsulation process not only ensures the integrity of the data, but also improves the compactness of the encoded data, which helps to reduce transmission delays in the network.

[0099] It should be noted that each transmission operation is performed according to this "full fill" strategy, which means that the entire data bandwidth is fully utilized in each transmission, thereby significantly improving the efficiency of data transmission. This method overcomes the performance bottleneck caused by insufficient bandwidth in FTU in real-time data transmission. In this way, not only the problem of slow real-time data transmission is solved, but also the limited data bandwidth is effectively utilized, greatly enhancing the practicality of the communication system.

[0100] It should also be noted that this step combines the remaining data space and the new data to be sent in segments to maximize the efficiency of the sending space so as to achieve the purpose of emergency communication and sending error data reports.

[0101] When the second data is sent, the remaining space of the first data can be used to maximize the utilization of data space. When an error occurs in the data, the remaining space can be used to send an error report. If communication is required, the transmission space can be maximized to send emergency communication data.

[0102] When a complete FTU error or urgent data appears in a packet of data, the data is sent directly without waiting for the next data to be filled; in the process of data management and communication transmission, the program adopts an intelligent strategy, that is, a block (paragraph) approach to manage and utilize limited data space. Specifically, for the current data storage, it will first evaluate the remaining space and calculate the part that can be used for temporary storage or merging of new data. When encountering urgent communication needs, such as FTU (remote terminal unit) errors or sudden important information, the program will skip the process of waiting for the new frequency to arrive, and directly use these free storage spaces to send quickly to ensure that critical information can be delivered immediately.

[0103] In daily communication activities, if new data arrives and is compatible with existing data fragments, the system will integrate it seamlessly. In this way, each piece of data can maximize the use of the sending channel and improve the overall transmission efficiency. Similarly, when an error report appears, the program will not waste time, but use the existing space to send it immediately, which can prevent data loss, reduce delays, and enhance the system's response speed and reliability.

[0104] In short, the core of this mechanism lies in dynamic optimization and real-time adaptation, which can ensure the effective transmission of data and maximize resource utilization whether in regular data exchange or emergency situations.

[0105] In another possible implementation, simple splicing may be performed to splice data in a fixed format and then send the data.

[0106] Intelligent splicing can also be performed to dynamically adjust the splicing strategy based on data type and urgency.

[0107] It is also possible to perform layered framing, dividing data into different priority layers and sending high priority data first.

[0108] In the embodiment of the present application, the judging and operating of the emergency data in the first data in the above step S4 includes:

[0109] In the first data, emergency data refers to those data that are processed and transmitted first due to their importance or urgency among the normally collected data, such as abnormal measurement values, abnormal equipment status, fault alarm information, etc. These data need to be sent immediately so that the master station can respond quickly to ensure the stability and safety of the power system.

[0110] Specifically, emergency data includes:

[0111] The measurement value is outside the normal range:

[0112] Abnormal voltage: For example, the voltage exceeds the rated range (too high or too low).

[0113] Abnormal current flow: For example, a sudden increase or decrease in current flow may indicate an overload or short circuit in the device.

[0114] Power anomalies: For example, sudden changes in power factor may indicate unstable grid operation.

[0115] These data are marked as urgent when they are outside normal ranges because they may indicate faults or potential dangers in the power grid.

[0116] Abnormal device status:

[0117] The circuit breaker status is abnormal: for example, the circuit breaker suddenly trips or fails to close normally.

[0118] Abnormal switch status: For example, the switch cannot operate normally or the status is unstable.

[0119] Sensor failure: For example, the temperature sensor, humidity sensor or other key sensors fail.

[0120] When an abnormality occurs in these device status information, it will be marked as urgent data so that the master station can take quick action.

[0121] Abnormal environmental monitoring data:

[0122] Overtemperature: For example, a sudden increase in device or ambient temperature may indicate an overheated device or a hazardous environment.

[0123] Humidity anomalies: For example, a sudden increase in humidity may indicate that the device has been exposed to moisture or other environmental issues.

[0124] Smoke or fire alarm: For example, if smoke or fire is detected, immediate action may be required.

[0125] When these environmental monitoring data are abnormal, they will be marked as emergency data so that the master station can respond in time.

[0126] Fault alarm information:

[0127] Fault Codes: Fault codes such as those detected by the FTU, which may indicate a device failure or loss of communications.

[0128] Protection action information: For example, the operation of a relay protection device may indicate a short circuit or other serious problems in the power grid.

[0129] These fault alarm messages are usually marked as urgent data so that the master station can quickly locate and solve the problem.

[0130] Real-time monitoring of data mutations:

[0131] Sudden changes in current flow, such as a sudden increase or decrease in current flow, may indicate an overload or short circuit in the device.

[0132] Sudden voltage changes: For example, sudden fluctuations in voltage may indicate unstable grid operation.

[0133] Power surges: Sudden changes in power, for example, may indicate abnormal grid load or equipment failure.

[0134] When these real-time monitoring data suddenly change, they will be marked as urgent data so that the master station can respond quickly.

[0135] Communication link abnormality:

[0136] Communication interruption: For example, the communication link between the FTU and the master station is suddenly interrupted.

[0137] Data loss: For example, packet loss or transmission errors are detected.

[0138] These communication link abnormality information will be marked as urgent data so that the master station can quickly locate and solve the problem.

[0139] Key business data:

[0140] Circuit breaker status: For example, a sudden change in circuit breaker status may indicate abnormal grid operation.

[0141] Switch state: For example, a sudden change in switch state may indicate abnormal equipment operation.

[0142] Equipment operating status: For example, a sudden change in the equipment operating status may indicate equipment failure.

[0143] When an abnormality occurs in these critical business data, they will be marked as urgent data so that the master station can take quick action.

[0144] like Figure 4 As shown, the first judgment is made: whether urgent data is received;

[0145] If the result of the first judgment is yes, the second judgment is performed: whether there is data before the urgent data;

[0146] If the first judgment result is no, wait until the data fills the BeiDou-3 communication sending length before sending the data;

[0147] If the second judgment result is yes, the urgent data is sent directly and the data before the urgent data is saved;

[0148] If the second judgment result is no, the urgent data is sent.

[0149] For example, if the current data has occupied 1000 bytes and 300 bytes of error or emergency communication data have been received, the program will retain the occupied 1000 bytes and directly send the error or emergency communication data to achieve the effect of timely reporting of error or emergency data; when the system is in a load operation state, a large amount of key information has been accumulated, such as occupying 1500 bytes of data storage space. At this time, an emergency-level error or communication data is suddenly received, and its length reaches 300 bytes. Faced with this emergency, the program design adopts an efficient processing strategy, that is, it will not try to overwrite or replace the original 1500 bytes of data, but decide to maintain the status quo and give priority to the new emergency information. This 1500 bytes of data will be sent after the next frequency time arrives; in order to ensure that the needs of important errors or emergency communications are responded to quickly, the program will choose to insert the 300 bytes of new content in the header of the existing data and retain the previous data. There are two key purposes for doing this: one is to avoid losing previous important information due to overwriting old data; the other is to ensure that the emergency information can be transmitted immediately for subsequent analysis and decision-making.

[0150] It should be noted that although the system currently carries a large amount of information, it is able to adjust its operating mode at critical moments to adapt to emergencies and meet the needs of real-time communication to the greatest extent. This is a data management strategy based on priority and flexibility, designed to maximize the system's responsiveness and information integrity.

[0151] In another possible implementation, fixed emergency data identification rules may be set based on rule determination.

[0152] Example 3

[0153] The above is a schematic scheme of the FTU emergency communication method based on BeiDou-3 communication in this embodiment. It should be noted that the technical scheme of the FTU emergency communication system based on BeiDou-3 communication and the technical scheme of the FTU emergency communication method based on BeiDou-3 communication belong to the same concept. For the details not described in detail in the technical scheme of the FTU emergency communication system based on BeiDou-3 communication in this embodiment, please refer to the description of the technical scheme of the FTU emergency communication method based on BeiDou-3 communication.

[0154] This embodiment also provides a system of an FTU emergency communication method based on BeiDou-3 communication, including:

[0155] The device configuration module is used to install and configure the FTU device and set the communication mode of the device;

[0156] The signal processing and position calculation module is used to receive and measure signals through the user machine based on the communication mode, and perform position calculation and two-way message communication through the master control station;

[0157] A data management module, used for processing the remaining length of the transmitted data based on two-way message communication;

[0158] A data framing module, used for framing data based on the remaining length of the transmitted data;

[0159] The emergency data processing module is used to judge and operate the FTU emergency data.

[0160] This embodiment also provides a computing device, which is applicable to the FTU emergency communication method based on BeiDou-3 communication, including:

[0161] Memory and processor; the memory is used to store computer-executable instructions, and the processor is used to execute computer-executable instructions to implement the FTU emergency communication method based on Beidou-3 communication as proposed in the above embodiment.

[0162] This embodiment also provides a storage medium on which a computer program is stored. When the program is executed by a processor, the FTU emergency communication method based on BeiDou-3 communication proposed in the above embodiment is implemented.

[0163] The storage medium proposed in this embodiment and the FTU emergency communication method based on BeiDou-3 communication proposed in the above embodiment belong to the same inventive concept. The technical details not fully described in this embodiment can be referred to the above embodiment, and this embodiment has the same beneficial effects as the above embodiment.

[0164] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A FTU emergency communication method based on BeiDou-3 communication, characterized in that: include: Based on the FTU equipment communication mode, it receives and measures signals, performs position calculation and two-way message communication; Based on the two-way message communication, processing the remaining length of the first data to be sent to obtain the reserved space; Based on the reserved space, data framing is performed to speed up the first data transmission; The urgent data in the first data is judged and operated.

2. The FTU emergency communication method based on BeiDou-3 communication as claimed in claim 1, characterized in that, The processing of the remaining length of the first data to be sent based on the two-way message communication includes: For the portion of the first data sent that fails to occupy the entire data transmission bandwidth, a remaining space is calculated and used as a reserved space.

3. The FTU emergency communication method based on BeiDou-3 communication as claimed in claim 2, characterized in that, The data splicing based on the reserved space includes: When the frame header and the first part of the data in the reserved space are ready, the program pauses sending until the second part of the data is received.

4. The FTU emergency communication method based on BeiDou-3 communication as claimed in claim 3, characterized in that, The data splicing based on the reserved space further includes: Obtain a complete data sequence including a frame header, a first piece of data, and a second piece of data; A frame tail is added to the complete data sequence to form a complete data packet.

5. The FTU emergency communication method based on BeiDou-3 communication as claimed in claim 4, characterized in that, The judging and operating the emergency data in the first data includes: Make the first judgment: whether urgent data is received; If the result of the first judgment is yes, the second judgment is performed: whether there is data before the urgent data; If the first judgment result is no, wait until the data fills the BeiDou-3 communication sending length before sending the data; If the second judgment result is yes, the urgent data is sent directly and the data before the urgent data is saved; If the second judgment result is no, the urgent data is sent.

6. The FTU emergency communication method based on BeiDou-3 communication as claimed in claim 5, characterized in that: The receiving and measuring signals, performing position calculation and two-way message communication based on the FTU device communication mode includes: The user terminal receives RDSS signals broadcast by at least one GEO satellite and RNSS signals from at least four MEO or IGSO satellites; The user terminal measures the time difference between the RNSS signal being transmitted from the satellite and being received by the user terminal; The measured time difference parameters are sent to the master control station via the GEO satellite.

7. The FTU emergency communication method based on BeiDou-3 communication as claimed in claim 6, characterized in that: The receiving and measuring signals based on the FTU device communication mode, performing position calculation and two-way message communication also includes: The master control station uses the received time difference parameters to calculate the location of the user terminal; The master control station and the user terminal perform two-way timing via GEO satellite; The user terminal conducts two-way message communication with the main control station through the GEO satellite.

8. A system using the FTU emergency communication method based on BeiDou-3 communication as claimed in any one of claims 1 to 7, characterized in that: include: The signal processing and position calculation module is used to receive and measure signals, perform position calculation and two-way message communication based on the FTU equipment communication mode; A data management module, used for processing the remaining length of the first data to be sent based on the two-way message communication to obtain the reserved space; A data splicing module, used for performing data splicing based on the reserved space; The emergency data processing module is used to judge and operate the emergency data in the first data.

9. A computing device comprising: Memory and processor; The memory is used to store computer-executable instructions, and the processor is used to execute the computer-executable instructions. When the computer-executable instructions are executed by the processor, the steps of the FTU emergency communication method based on Beidou-3 communication as described in any one of claims 1 to 7 are implemented.

10. A computer-readable storage medium storing computer-executable instructions, which, when executed by a processor, implement the steps of the FTU emergency communication method based on BeiDou-3 communication as described in any one of claims 1 to 7.

Images