CN111417150B - Method and device for real-time dynamic configuration of telemetering transmitter - Google Patents
Method and device for real-time dynamic configuration of telemetering transmitter Download PDFInfo
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- CN111417150B CN111417150B CN202010261105.8A CN202010261105A CN111417150B CN 111417150 B CN111417150 B CN 111417150B CN 202010261105 A CN202010261105 A CN 202010261105A CN 111417150 B CN111417150 B CN 111417150B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0294—Traffic management, e.g. flow control or congestion control forcing collision
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
- H04W74/0816—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA carrier sensing with collision avoidance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a method and a device for real-time dynamic configuration of a telemetering transmitter, belonging to the technical field of real-time dynamic configuration of the telemetering transmitter; the technical problem to be solved is as follows: the improvement of a real-time dynamic configuration method of a telemetering transmitter and a hardware structure of equipment is provided; the technical scheme for solving the technical problem is as follows: setting and establishing a telemetering receiving station in a telemetering area, setting a plurality of telemetering targets in a communication coverage area of the telemetering receiving station, and installing a telemetering transmitter on each telemetering target; after the power is on, continuously transmitting a telemetering data signal according to preset configuration parameters; setting each telemetering transmitter into a networking mode, waiting for monitoring a networking broadcast instruction sent outwards by a telemetering receiving station by each telemetering transmitter after the telemetering transmitter is powered on, and embedding a unique identification number ID of the telemetering transmitter into a networking broadcast response command and sending the unique identification number ID to the telemetering receiving station after one telemetering transmitter receives the networking broadcast instruction; the invention is applied to a telemetry transmitter.
Description
Technical Field
The invention discloses a method and a device for real-time dynamic configuration of a telemetering transmitter, and belongs to the technical field of real-time dynamic configuration of the telemetering transmitter.
Background
The existing telemetering transmitter collects telemetering target data, and finally transmits the telemetering target data in a radio wave form through a transmitting antenna at a specified frequency point through channel coding, modulation and radio frequency amplification, and only has the function of telemetering data transmission, a data link is unidirectional downloading, and the data to be collected on the telemetering target is downloaded to a telemetering station, so that the working performance of the telemetering target in a flight state can be conveniently analyzed.
When the existing telemetering transmitter executes a telemetering task, parameters such as frequency points of the telemetering transmitter need to be set and finished before a test, a telemetering station receives related parameters such as preset frequency points and code rates in a matching mode during the test, if a plurality of telemetering targets are tested in the same time and the same airspace, the telemetering transmitters in a telemetering area need to be planned in advance and coordinated on site, the management of the telemetering targets is complex, and the parameter setting of the telemetering transmitter installed on each telemetering target needs to be finished before the test.
In order to prevent the mutual interference of the wireless radio frequency signals in the air of the telemetering transmitter, different telemetering frequency points in a telemetering allowable bandwidth are required to be set, the telemetering receiving station correspondingly receives data of a telemetering target one by one according to the requirements of receiving frequency points and the like in the test process, if other wireless equipment in the air causes interference with the frequency point of a certain telemetering target participating in a telemetering task, the telemetering receiving station cannot replace the frequency point of the telemetering transmitter of the interfered telemetering target at the moment, and the telemetering data is lost; under a large telemetering signal transmission task, the frequency points of wireless equipment signals in an airspace are many, which easily causes mutual interference and conflict of the signals, and leads to failure of the task.
In addition, when the existing telemetering transmitter is used for executing a telemetering task, a telemetering data transmission mode is fixed and unchanged in the whole test period, according to a preset telemetering data acquisition strategy, the telemetering transmission strategy downloads data on a telemetering target, and the farther the flight distance is, the farther the telemetering target is away from a telemetering receiving station, the signal-to-noise ratio is reduced, and data error codes can be caused; under extreme conditions, if the telemetering target flies out of an effective coverage area for receiving telemetering data of the telemetering receiving station, data loss is caused, and the analysis of flight parameters of the telemetering target is influenced.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to solve the technical problems that: a method for real-time dynamic configuration of a telemetry transmitter and an improvement of the hardware structure of the device are provided.
In order to solve the technical problems, the invention adopts the technical scheme that: a real-time dynamic configuration method for a telemetry transmitter comprises the following steps:
the method comprises the following steps: setting and establishing a telemetering receiving station in a telemetering area, setting a plurality of telemetering targets in a communication coverage area of the telemetering receiving station, and installing a telemetering transmitter on each telemetering target;
step two: setting each telemetering transmitter to be in a conventional mode, and continuously transmitting telemetering data signals according to preset configuration parameters after the telemetering transmitters are powered on;
step three: setting each telemetering transmitter into a networking mode, waiting for monitoring a networking broadcast instruction sent outwards by a telemetering receiving station by each telemetering transmitter after the telemetering transmitter is powered on, and embedding a unique identification number ID of the telemetering transmitter into a networking broadcast response command and sending the unique identification number ID to the telemetering receiving station after one telemetering transmitter receives the networking broadcast instruction; when a plurality of telemetering transmitters receive networking broadcast instructions at the same time, each telemetering transmitter adopts a response anti-collision mechanism to avoid causing airspace signal collision;
after receiving a networking broadcast response instruction of each telemetering transmitter, the telemetering receiving station sends the current idle configuration parameters of airspace to each telemetering transmitter through a networking instruction, and after receiving the networking instruction, each telemetering transmitter sends a result of configuration parameter loading completion to the telemetering receiving station through a networking response instruction to complete dynamic allocation of the configuration parameters of each telemetering transmitter;
step four: loading working state parameters for each telemetering transmitter, periodically sending a configuration command by the telemetering receiving station, and configuring the parameters by adopting a time-sharing control method;
classifying the telemetering transmitters in the communication range, setting each telemetering transmitter into a networking mode, loading independent configuration parameters for each type of telemetering transmitter according to the configuration method in the step three, continuing to be in an external wireless instruction monitoring state after all the telemetering transmitters load the configuration parameters, and waiting for receiving, acquiring and sending commands;
step five: when a telemetering target in a telemetering task is too far away from a telemetering receiving station, using a certain telemetering transmitter in a communication coverage area as a signal relay device, controlling the telemetering transmitter to load corresponding configuration parameters to enable the telemetering transmitter to work in a relay mode, and using the telemetering transmitter as a relay transmitter to forward the telemetering transmitter which is too far away to the telemetering receiving station;
step six: and the telemetering receiving station performs data splicing through data processing software to complete data processing.
The specific configuration method of the telemetering transmitter in the third step comprises the following steps: the telemetering receiving station establishes connection with a plurality of telemetering transmitters within a set time, transmits the idle configuration parameters of the current airspace to the corresponding telemetering transmitters, and the plurality of telemetering transmitters start working according to the configuration parameters finished by dynamic loading, so that parallel tasks among the plurality of telemetering transmitters are realized.
The time-sharing control method for data configuration in the fourth step specifically comprises the following steps: controlling the telemetering receiving station to send an acquisition instruction, starting to sequentially acquire channel data after each telemetering transmitter receives the acquisition instruction, and sequentially sending telemetering data according to configuration parameters after the acquisition is finished;
and the telemetering receiving station partitions and stores the telemetering data according to the number of the transmitter.
The telemetry transmitter selected as the signal relay device in the fifth step is specifically as follows: a telemetry transmitter simultaneously located within the area of wireless communication and the telemetry reception area of the telemetry reception station.
A telemetering transmitter real-time dynamic configuration device comprises a telemetering transmitter arranged on a telemetering target, wherein a data receiving and transmitting management module is arranged in the telemetering transmitter, the data receiving and transmitting management module is connected with a wireless transmitting module and a wireless receiving module, and the wireless transmitting module and the wireless receiving module are connected with a transmitting antenna through a duplexer;
the wireless transmitting module is used for receiving telemetry data remotely transmitted by a telemetry receiving station;
the data receiving and transmitting management module is also connected with a communication interface module.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a telemetering transmitter for implementing dynamic management by receiving a command in a radio mode, wherein configuration parameters of the telemetering transmitter can be configured in real time in a radio mode, a plurality of telemetering transmitters and a telemetering receiving station are networked, the telemetering transmitter establishes wireless communication connection with the telemetering receiving station within a certain time window after being electrified, the telemetering receiving station completes dynamic distribution of information such as configuration parameters, working parameters and the like of a plurality of telemetering targets in a telemetering airspace, and configures an optimal working mode of the telemetering transmitter in real time according to the quality of a telemetering link between each telemetering target and the telemetering receiving station; the telemetering transmitter provided by the invention overcomes the defects of frequency point conflict, poor real-time performance, complex system composition, low task scheduling efficiency and the like easily generated in the traditional telemetering, and can improve the reliability of telemetering data receiving.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a telemetry transmitter of the present invention;
FIG. 2 is a schematic diagram of the mode of operation of the telemetry transmitter of the present invention;
FIG. 3 is a diagram showing the telemetry effect of embodiment 2 of the invention;
FIG. 4 is a diagram showing the telemetry effect of example 3 of the present invention;
FIG. 5 is a diagram illustrating the telemetry effect of example 4 of the present invention.
Detailed Description
As shown in fig. 1 to 5, the present invention relates to a method for dynamically configuring a telemetry transmitter in real time, comprising the following steps:
the method comprises the following steps: setting and establishing a telemetering receiving station in a telemetering area, setting a plurality of telemetering targets in a communication coverage range of the telemetering receiving station, and installing a telemetering transmitter on each telemetering target;
step two: setting each telemetering transmitter to be in a conventional mode, and continuously transmitting telemetering data signals according to preset configuration parameters after the telemetering transmitters are powered on;
step three: setting each telemetering transmitter into a networking mode, waiting for monitoring a networking broadcast instruction sent outwards by a telemetering receiving station by each telemetering transmitter after the telemetering transmitter is powered on, and embedding a unique identification number ID of the telemetering transmitter into a networking broadcast response command and sending the unique identification number ID to the telemetering receiving station after one telemetering transmitter receives the networking broadcast instruction; when a plurality of telemetering transmitters receive networking broadcasting instructions at the same time, each telemetering transmitter adopts a response anti-collision mechanism to avoid causing airspace signal collision;
after receiving a networking broadcast response instruction of each telemetering transmitter, the telemetering receiving station sends the current idle configuration parameters of airspace to each telemetering transmitter through a networking instruction, and after receiving the networking instruction, each telemetering transmitter sends a result of configuration parameter loading completion to the telemetering receiving station through a networking response instruction to complete dynamic allocation of the configuration parameters of each telemetering transmitter;
step four: loading working state parameters for each telemetering transmitter, periodically sending a configuration command by the telemetering receiving station, and configuring the parameters by adopting a time-sharing control method;
classifying the telemetering transmitters in the communication range, setting each telemetering transmitter into a networking mode, loading independent configuration parameters for each type of telemetering transmitter according to the configuration method in the step three, continuing to be in an external wireless instruction monitoring state after all the telemetering transmitters load the configuration parameters, and waiting for receiving, acquiring and sending commands;
step five: when a telemetering target in a telemetering task is too far away from a telemetering receiving station, using a certain telemetering transmitter in a communication coverage area as a signal relay device, controlling the telemetering transmitter to load corresponding configuration parameters to enable the telemetering transmitter to work in a relay mode, and using the telemetering transmitter as a relay transmitter to forward the telemetering transmitter which is too far away to the telemetering receiving station;
step six: and the telemetering receiving station performs data splicing through data processing software to complete data processing.
The specific configuration method of the telemetering transmitter in the third step comprises the following steps: the telemetering receiving station establishes connection with a plurality of telemetering transmitters within a set time, transmits the idle configuration parameters of the current airspace to the corresponding telemetering transmitters, and the plurality of telemetering transmitters start working according to the configuration parameters finished by dynamic loading, so that parallel tasks among the plurality of telemetering transmitters are realized.
The time-sharing control method for data configuration in the fourth step specifically comprises the following steps: controlling the telemetering receiving station to send an acquisition instruction, starting to sequentially acquire channel data after each telemetering transmitter receives the acquisition instruction, and sequentially sending telemetering data according to configuration parameters after the acquisition is finished;
and the telemetering receiving station partitions and stores the telemetering data according to the number of the transmitter.
The telemetry transmitter selected as the signal relay device in the fifth step is specifically as follows: a telemetry transmitter simultaneously located within the area of wireless communication and the telemetry reception area of the telemetry receiving station.
A telemetering transmitter real-time dynamic configuration device comprises a telemetering transmitter arranged on a telemetering target, wherein a data receiving and transmitting management module is arranged in the telemetering transmitter, the data receiving and transmitting management module is connected with a wireless transmitting module and a wireless receiving module, and the wireless transmitting module and the wireless receiving module are connected with a transmitting antenna through a duplexer;
the wireless transmitting module is used for receiving telemetering data remotely transmitted by the telemetering receiving station;
the data receiving and transmitting management module is also connected with a communication interface module.
The invention provides a method and equipment for dynamically configuring a telemetering transmitter in real time, which mainly relate to dynamic configuration methods such as configuration parameters, working parameters and the like, and improvement of a wireless communication strategy.
The invention provides a telemetering transmitter with a real-time dynamic configuration function, which belongs to a component of the whole telemetering system, and can manage telemetering tasks of a plurality of telemetering transmitters through a radio command sent by a telemetering receiving station management system.
The management system in the telemetering receiving station monitors the frequency spectrum resource use condition of a telemetering airspace in real time, determines the allowed frequency resource, dynamically allocates configuration parameters such as working frequency points for each telemetering transmitter, and configures the working parameters of each telemetering transmitter in real time according to the quality of a telemetering communication link, such as a telemetering data acquisition mode.
The telemetering transmitter provided by the invention is specifically installed on each telemetering target, acquires telemetering target data and transmits the telemetering target data in a wireless mode.
The telemetering transmitter can set working state parameters (sampling strategies, working modes and the like) and telemetering configuration parameters (frequency points, power and the like) of the transmitter through a wired or wireless communication interface, and the set parameters are not lost when power failure occurs, so that the working state parameters and the configuration parameters are preset; the telemetering transmitter has a real-time dynamic configuration function, and the configuration loading working parameters comprise information such as acquisition channel number, sampling rate, sending period, sending code rate and the like; the configuration parameters that can be dynamically configured and loaded include: code rate, frequency point, transmitting power, whether to encrypt, key parameters, and the like; recognizable command parameters include: networking calling, starting data acquisition and transmission and the like; when the telemetering transmitter is used for realizing an aerial multi-target complex telemetering data acquisition and transmission system, the parameter types and command types can be expanded according to actual needs.
The telemetry transmitter has a real-time dynamic configuration function and mainly comprises a conventional mode and a networking mode, the networking mode can be divided into a direct starting mode and a controlled starting mode, and a mode association diagram is shown in figure 2.
The conventional mode is a working mode for a common transmitter and is applied to a telemetering scene of a telemetering-free receiving station management system, and after the transmitter is powered on, telemetering target data acquisition and telemetering data transmission are carried out according to preset working state parameters (a sampling strategy, a working mode and the like) and configuration parameters (a code rate, a frequency point, transmission power and the like).
The networking mode is applied to a scene needing networking through a remote measuring receiving station management system, a remote measuring transmitter does not acquire and send remote measuring data within a set time after being electrified, but enters a monitoring state of a wireless signal, waits for a radio communication instruction of the management system, performs real-time configuration loading of parameters such as frequency points and modes, and performs instruction reply according to a communication protocol; if the information interaction is not completed before the specified time or the starting marks of confirmation and judgment of some physical and digital characteristic signals of the telemetering target arrive, wireless data transmission is carried out according to preset working state parameters (sampling strategies, working modes and the like) and configuration parameters (code rate, frequency points, transmitting power and the like).
In the networking mode, the telemetering transmitter works in a direct starting mode or a controlled starting mode by identifying a wireless communication instruction, and when the telemetering transmitter works in the direct starting mode, the telemetering transmitter immediately starts to acquire and send telemetering target data after completing parameters such as frequency points and the like through wireless controlled loading; when the remote sensing target data acquisition and transmission device works in a starting controlled mode, acquisition and transmission of the remote sensing target data are not carried out until the remote sensing target data acquisition and transmission device is started after wireless controlled loading finishes parameter configuration such as frequency points and the like, and the acquisition and transmission of the remote sensing target data are started after a specified time, a wireless communication instruction (a remote sensing data transmission instruction) or starting marks such as confirmation and judgment of certain physical and digital characteristic signals of the remote sensing target are waited.
In order to avoid the collision of airspace signals in the response process, the telemetering transmitter adopts a command response anti-collision mechanism, utilizes the unique identification code of the telemetering transmitter to generate random response time through an algorithm, and effectively avoids the collision of the airspace signals through the difference of delayed random response time.
After the telemetering transmitter is configured by parameters, the telemetering transmitter works in a relay mode, the telemetering transmitter respectively determines a receiving frequency point and a transmitting frequency point through parameter configuration, enters a monitoring state of a wireless signal after being electrified, receives and analyzes telemetering data or a radio instruction, and sends out the received data and instruction according to parameter configuration requirements such as a specified modulation mode, a code rate and the like.
Based on the configuration of the transmitter, when in use, the following embodiments can be implemented:
example 1: the telemetry transmitter is compatible with a common telemetry transmitter for use:
the telemetering transmitter is set to be in a conventional mode through a wired or wireless communication mode before testing, a radio receiving function is not needed during testing, the telemetering transmitter is not managed by a telemetering receiving station, and telemetering data signals are continuously transmitted according to preset configuration parameters after being powered on.
Example 2: configuring parameters of a controlled telemetry transmitter in a wireless dynamic loading mode:
the telemetering transmitter adopts a wireless command analysis real-time loading mode, a typical mode is adopted for operation in the embodiment, and the types of interactive commands can be increased according to needs in the specific implementation process;
as shown in fig. 3, a telemetry transmitter (2, 3,4 in fig. 3) is installed on each telemetry target, and each telemetry transmitter is set to be in a networking mode through a wired or wireless communication mode before the test;
in the test, the plurality of telemetering transmitters (2, 3 and 4 in fig. 3) are all located in a wireless communication coverage area, and are in a networking mode after being powered on, telemetering data is not sent, and a networking broadcast instruction sent outwards by a telemetering receiving station is waited to be monitored.
After receiving a networking broadcast response instruction of each telemetering transmitter, the telemetering receiving station sends the current idle configuration parameter 1 to the telemetering transmitter through a networking instruction, and after receiving the networking instruction, the telemetering transmitter sends a configuration parameter loading completion result to the telemetering receiving station through a networking response instruction, so that the dynamic allocation of configuration parameters of each telemetering transmitter is realized;
meanwhile, the telemetry receiving station establishes a wireless communication link with the telemetry transmitter 3 and the telemetry transmitter 4 within a specified time, the idle configuration parameters 2 of the current airspace are sent to the telemetry transmitter 3, the configuration parameters 3 are sent to the telemetry transmitter 4, and the plurality of telemetry transmitters start to work according to the configuration parameters which are dynamically loaded, so that parallel tasks among the plurality of telemetry transmitters are realized, frequency point mutual interference among the plurality of telemetry transmitters and other radio equipment in the airspace is avoided, and the execution capacity and the working efficiency are improved.
Example 3: loading working state parameters of the controlled telemetering transmitter in a wireless dynamic loading mode:
as shown in fig. 4, a multi-target real-time telemetry system is specifically composed of a plurality of telemetry transmitters (2, 3,4,5, 6, 7, 8, 9, 10 in the figure) and a telemetry receiving station with a parameter loading function, and in this embodiment, the method for dynamically loading configuration parameters in embodiment 2 is also adopted.
When the total number of targets in the telemetry task is more than the number of channels of receivers in the telemetry receiving station, the receiving capability of the telemetry receiving station is saturated at the moment, and the telemetry receiving station cannot adapt to more and more complex acquisition and transmission networks of a telemetry system; according to the configuration method of the embodiment, a time-sharing control method is adopted, so that the data receiving capacity can be improved, and the specific process is as follows:
the method comprises the steps of defining telemetering transmitters 2,3 and 4 as telemetering transmitters of the same acquisition type, defining telemetering transmitters 5, 6 and 7 as telemetering transmitters of the same acquisition type, defining telemetering transmitters 8, 9 and 10 as telemetering transmitters of the same acquisition type, setting the telemetering transmitters into a networking mode in a wired or wireless communication mode before a test, dynamically loading configuration parameters for the telemetering transmitters 2 to 10 according to a configuration method in embodiment 2, loading configuration parameters 1 in sequence for the telemetering transmitters 2,3 and 4, loading configuration parameters 2 in sequence for the telemetering transmitters 5, 6 and 7, loading configuration parameters 3 in sequence for the telemetering transmitters 8, 9 and 10, and continuously keeping in an external wireless instruction monitoring state after all the telemetering transmitters load the configuration parameters to actively acquire telemetering data for transmission so as to receive acquisition and transmission commands.
The remote sensing receiving station periodically sends an acquisition command, works according to a time sequence, firstly sends the acquisition and sending command of the remote sensing transmitter 2, the command has an identification number ID of the remote sensing transmitter 2, the remote sensing transmitter 2 starts to acquire channel data after receiving an acquisition instruction, the remote sensing data is sent according to a configuration parameter 1 after the acquisition is finished, and the remote sensing receiving station distinguishes and stores the remote sensing data according to the number of the transmitter;
then sending an acquisition and sending command of a telemetering transmitter 3, starting to acquire channel data after the telemetering transmitter 3 receives an acquisition instruction, sending telemetering data according to configuration parameters 1 after the acquisition is finished, and repeating the steps, wherein the telemetering receiving station receives telemetering data of a plurality of targets in a time-sharing mode; in the operation process, the configuration parameters of the telemetering transmission of a plurality of telemetering targets can be different, such as the transmission code rate, the transmission frequency point, the transmission power and the like, and the complex data recovery management suitable for different telemetering targets in the same time and the same airspace can be realized.
Example 4: using the controlled telemetry transmitter as a repeater:
in this embodiment, the method of dynamic loading of configuration parameters in embodiment 2 is also adopted;
in this case, when the target in the telemetry task is too far away from the telemetry receiving station, the receiving capability of the telemetry receiving station is exceeded; due to the influence of factors such as terrain and the like, the telemetering ground station cannot receive telemetering data in a certain time period, and the telemetering transmitter is used as a signal relay device, so that the data receiving capacity can be improved;
as shown in fig. 5, a telemetry transmitter (3, 4,5 in fig. 5) is installed on a telemetry target and is in a wireless communication area range, and is out of a telemetry data receiving area of a telemetry receiving station due to high telemetry data code stream, and the telemetry transmitter (2 in fig. 5) is simultaneously in the wireless communication area range and the telemetry receiving area range of the telemetry receiving station, and at this time, the telemetry transmitter can work in a relay mode by loading configuration parameters of the telemetry transmitter, and the data of the telemetry transmitter 2 is forwarded to the telemetry receiving station;
the telemetry transmitters 3 and 5 are installed on a telemetry target and are positioned in the range of a wireless communication area; because the code stream of the telemetering data is high and is outside the telemetering data receiving area of the telemetering receiving station, the telemetering transmitter 2 is used as a relay point and is simultaneously positioned in the wireless communication area range and the telemetering receiving area range of the telemetering receiving station, the telemetering transmitters 3-5 are simultaneously positioned in the wireless communication area range of the telemetering transmitter 2, but the telemetering receiving station can directly receive the data because the telemetering transmitter 4 is positioned in the testing coverage area of the telemetering receiving station. The telemetry receiving station may then forward the data from the telemetry transmitters 3 and 5 to the telemetry receiving station by loading the configuration parameters of the relay transmitter 2 to operate in relay mode.
Taking the example of forwarding the data of the telemetry transmitter 3, after the telemetry transmitters 2 and 3 enter the wireless communication coverage area, the telemetry receiving station loads the configuration parameters and the working parameters of the telemetry transmitter 2 according to the method for dynamically loading the configuration parameters in the embodiment 2, and simultaneously loads the configuration parameters of the telemetry transmitter 3 according to the parameter adaptability of the telemetry transmitter 2, thereby realizing frequency conversion transmission.
When the telemetering transmitter 2 enters the telemetering data receiving area, the telemetering receiving station directly receives data, and data splicing is carried out through data processing software after the task is finished.
According to the method provided by the embodiment 4, the telemetering system adopts a relay method to transmit and receive data, so that the problem that the data volume cannot be further reduced by methods such as reducing the sampling rate and the like is solved, the air data code rate is reduced, and the telemetering distance is increased.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. A method for dynamically configuring a telemetry transmitter in real time, comprising: the method comprises the following steps:
the method comprises the following steps: setting and establishing a telemetering receiving station in a telemetering area, setting a plurality of telemetering targets in a communication coverage area of the telemetering receiving station, and installing a telemetering transmitter on each telemetering target;
step two: setting each telemetering transmitter to be in a conventional mode, and continuously transmitting telemetering data signals according to preset configuration parameters after the telemetering transmitters are powered on;
step three: setting each telemetering transmitter into a networking mode, waiting for monitoring a networking broadcasting command sent outwards by a telemetering receiving station by each telemetering transmitter after being electrified, and embedding a unique identification number ID of each telemetering transmitter into a networking broadcasting response command and sending the networking broadcasting response command to the telemetering receiving station by one telemetering transmitter after one telemetering transmitter receives the networking broadcasting command; when a plurality of telemetering transmitters receive networking broadcast instructions at the same time, each telemetering transmitter adopts a response anti-collision mechanism to avoid causing airspace signal collision;
after receiving a networking broadcast response instruction of each telemetering transmitter, the telemetering receiving station sends the current idle configuration parameters of airspace to each telemetering transmitter through a networking instruction, and after receiving the networking instruction, each telemetering transmitter sends a result of configuration parameter loading completion to the telemetering receiving station through a networking response instruction to complete dynamic allocation of the configuration parameters of each telemetering transmitter;
the specific configuration method of the telemetering transmitter in the third step comprises the following steps: the telemetering receiving station establishes connection with a plurality of telemetering transmitters within a set time, and transmits idle configuration parameters of a current airspace to the corresponding telemetering transmitters, and the telemetering transmitters start working according to the configuration parameters finished by dynamic loading to realize parallel tasks among the telemetering transmitters;
step four: loading working state parameters for each telemetering transmitter, periodically sending a configuration command by the telemetering receiving station, and configuring the parameters by adopting a time-sharing control method;
classifying the telemetering transmitters in the communication range, setting each telemetering transmitter into a networking mode, loading independent configuration parameters for each type of telemetering transmitter according to the configuration method in the step three, continuing to be in an external wireless instruction monitoring state after all the telemetering transmitters load the configuration parameters, and waiting for receiving, acquiring and sending commands;
step five: when a telemetering target in a telemetering task is too far away from a telemetering receiving station, using a certain telemetering transmitter in a communication coverage area as a signal relay device, controlling the telemetering transmitter to load corresponding configuration parameters to enable the telemetering transmitter to work in a relay mode, and using the telemetering transmitter as a relay transmitter to forward the telemetering transmitter which is too far away to the telemetering receiving station;
step six: and the telemetering receiving station performs data splicing through data processing software to complete data processing.
2. The method of claim 1, wherein the method further comprises the steps of: the time-sharing control method for data configuration in the fourth step specifically comprises the following steps: controlling the telemetering receiving station to send an acquisition instruction, starting to sequentially acquire channel data after each telemetering transmitter receives the acquisition instruction, and sequentially sending telemetering data according to configuration parameters after the acquisition is finished;
and the telemetering receiving station partitions and stores the telemetering data according to the number of the transmitter.
3. The method of claim 2, wherein the method further comprises the steps of: the telemetry transmitter selected as the signal relay device in the fifth step is specifically as follows: a telemetry transmitter simultaneously located within the area of wireless communication and the telemetry reception area of the telemetry reception station.
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