Wide-beam-based time-sharing measurement and control and frequency spectrum monitoring integrated system and method
By using a wide-beam-based time-division telemetry, telemetry, and spectrum monitoring integrated system, the problem of independent deployment of telemetry, telemetry, and spectrum monitoring systems in traditional satellite communications has been solved. This system enables resource reuse and automated anomaly response, thereby improving the stability of communication services and the utilization rate of spectrum resources.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- THE 54TH RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION
- Filing Date
- 2026-01-27
- Publication Date
- 2026-05-15
AI Technical Summary
In traditional satellite communications, the independent deployment of telemetry, tracking, and command (TT&C) systems and spectrum monitoring systems results in low flexibility and resource utilization, slow response speed, lack of real-time monitoring and early warning capabilities, and difficulty in ensuring system stability and spectrum security.
An integrated system of time-division telemetry, measurement and control and spectrum monitoring based on wide beam is adopted. Through phased array transceiver antennas, wide beam receiving and transmitting links, baseband processing modules and payload monitoring modules, resource reuse is achieved, an automated closed-loop processing flow is constructed, and spectrum anomalies are monitored in real time and frequency bands are adjusted autonomously.
It enables the reuse of telemetry, measurement and control and spectrum monitoring resources, reduces equipment costs, improves spectrum resource utilization, enables rapid response to beam anomalies, and ensures the continuity and stability of communication services.
Smart Images
Figure CN122052869A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of satellite communication technology, specifically to an integrated system and method for time-division telemetry, telemetry, and spectrum monitoring based on wide beamwidth. Background Technology
[0002] In traditional satellite communications, telemetry, tracking, and command (TT&C) systems and spectrum monitoring systems are typically deployed independently, each performing its respective TT&C and spectrum monitoring tasks. This results in low system flexibility and resource utilization. When interference or anomalies occur in satellite service beams, responses usually rely on post-event analysis by ground stations, leading to slow response times and difficulty in dynamically optimizing spectrum resources. Furthermore, there is a lack of real-time monitoring and early warning capabilities for spectrum power anomalies, making it difficult to ensure system stability and spectrum security. Summary of the Invention
[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide an integrated system and method for time-division measurement and control and spectrum monitoring based on wide beam, so as to realize the reuse of resources for measurement and control and spectrum monitoring, improve the accuracy of frequency selection support, and realize automated closed-loop processing of beam anomalies to ensure stable communication services.
[0004] To achieve the above objectives, the present invention adopts the following technical solution: A wide-beam-based time-division telemetry, telemetry, and spectrum monitoring integrated system includes: a wide-beam receiving link, a wide-beam transmitting link, a baseband processing module, a service processing module, a phased array transceiver antenna, and a load monitoring module; The phased array transceiver antenna is used for signal transmission and reception and frequency conversion to complete the satellite-to-ground interaction of service signals; The wide-beam receiving link is used to receive measurement and control signals in measurement and control mode and to receive full-band spectrum signals in spectrum monitoring mode. The wide-beam transmission link is used to transmit telemetry signals in telemetry and control mode and to transmit broadcast signals in spectrum monitoring mode. The baseband processing module is used to complete the measurement and control signal processing; in the spectrum monitoring mode, it completes the acquisition and analysis of spectrum signals across the entire frequency band and the processing of broadcast signals, obtains the frequency usage of the beam, performs priority calculation based on the integral power of the bandwidth and the frequency band, and reports it to the load monitoring module. The service processing module is used to complete service signal processing, monitor the communication parameters of each service beam in real time, and periodically inform the load monitoring module 1 of the number of users served by the beam; if the monitoring continuous level is appropriate and there is a high bit error rate, it sends a beam switching notification to the user terminal; after the switching is completed, if there are no users serving, it informs the load monitoring module. The load monitoring module generates a mode switching command based on the visibility information of the telemetry and control station; at the same time, it reports frequency band anomaly information to the ground control center; when the service beam is reactivated, it selects the high-priority frequency band to configure the corresponding beam phased array transceiver antenna.
[0005] Furthermore, the priority calculation of the baseband processing module includes two factors: the integral power of the bandwidth and the frequency band level; the communication parameters monitored by the service processing module include the bit error rate and the received signal level.
[0006] Furthermore, the load monitoring module performs visibility analysis of the control stations by pre-stored ground control station information and orbit prediction data; the frequency band anomaly information reported by the load monitoring module includes the abnormal frequency band, abnormal power value and anomaly occurrence time.
[0007] Furthermore, the baseband processing module stores the collected spectrum signal information in a local database or transmits it via inter-satellite / satellite-to-ground links.
[0008] Furthermore, the phased array transceiver antenna receives the frequency configuration command sent by the load monitoring module and completes the frequency adjustment of the service beam.
[0009] A method for integrating time-division telemetry, control, and spectrum monitoring based on wide beamwidth is implemented through the aforementioned integrated system for time-division telemetry, control, and spectrum monitoring based on wide beamwidth, and specifically includes the following processes: First, a wide-beam receiving link is deployed on the low-orbit satellite. The ground control station information and orbit prediction data are pre-stored through the payload monitoring module 1, and visibility analysis is completed. When the tracking and control station is visible, the payload monitoring module 1 generates a tracking and control mode command, receives tracking and control commands sent by the ground tracking and control station, and simultaneously feeds back satellite status information to the ground; when the tracking and control station is not visible, the payload monitoring module 1 generates a spectrum monitoring mode command, completes the reception and preliminary processing of spectrum signals across the entire frequency band, and broadcasts information. In spectrum monitoring mode, the baseband processing module analyzes the received full-band spectrum signal, pre-configures the frequency step interval, integral bandwidth and corresponding integral power threshold, identifies the core frequency usage information of each frequency band, and prioritizes the frequency bands according to the selection conditions. The division results are fed back to the load monitoring module 1 to provide data support for the autonomous matching of the service beam to the optimal working frequency band. In spectrum monitoring mode, the baseband processing module calculates the signal power of each frequency band in real time. If the signal power of a certain frequency band is greater than the preset threshold, it is determined to be a power anomaly. Then, power anomaly information is generated and fed back to the payload monitoring module. The payload monitoring module identifies that the power anomaly information is inconsistent with the use of the service beam, stores the information in the satellite local database, and reports it to the ground control center.
[0010] Furthermore, the autonomous identification, information reporting, and autonomous adjustment of strong interference faults, based on the load monitoring module, service processing module, and phased array transceiver antenna, include the following processes: The service processing module monitors the transmission bit error rate of each service beam in real time and presets the bit error rate threshold, statistical duration, and reasonable range of received level. If a service beam is found to be continuously within a reasonable range of received level within the set statistical duration and the bit error rate exceeds the preset threshold, it is determined to be in a state of continuous high bit error rate. At this time, the service processing module generates a beam switching notification and sends it to all network-connected user terminals within the coverage area of the beam, instructing the user terminals to switch to the adjacent high-quality service beam or to perform inter-satellite switching to the service beam of other satellites. The payload monitoring module 1 monitors the number of online users for each service beam in real time. When it detects that no online users are connected to a certain service beam due to a continuous high bit error rate, the payload monitoring module 1 selects the optimal backup frequency point based on the preset backup frequency band information, generates a frequency point configuration command, and sends it to the service processing module and the phased array transceiver antenna module. After the configuration adjustment is completed, the beam resumes normal service access. At the same time, the payload monitoring module extracts the relevant information of the original frequency band, stores it in the satellite local database, and reports it to the ground control center.
[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. Resource reuse and cost reduction: This invention utilizes a time-sharing working mode to achieve integrated telemetry, control, spectrum monitoring, and signal broadcasting functions, avoiding redundant hardware resource configuration and effectively reducing equipment cost, size, and power consumption. It is especially suitable for space-constrained scenarios such as satellites.
[0012] 2. Precise frequency selection support: By conducting full-band spectrum monitoring during the intervals between telemetry and control (when the telemetry and control station is not visible), the frequency usage of beams is obtained in real time and the information of spare frequency bands is fed back, providing precise data support for the frequency selection of service beams and improving the utilization rate of spectrum resources.
[0013] 3. Automated anomaly response to ensure service continuity: An automated closed-loop processing flow has been built, from high error rate detection, user switching to beam frequency band adjustment, and reporting of original frequency band monitoring status. It can quickly respond to beam communication anomalies without manual intervention, effectively shortening service interruption time and ensuring the continuity and stability of communication services.
[0014] 4. Real-time power monitoring and reporting: Power monitoring is performed across the entire frequency band. When the integrated power within the 200MHz bandwidth exceeds the threshold, it is promptly reported to the ground control center so that the ground control center can keep abreast of the spectrum status and avoid unreasonable occupation of spectrum resources or further communication failures. Attached Figure Description
[0015] Figure 1This is an overall architecture diagram of an embodiment of the present invention.
[0016] In the diagram: 1. Load monitoring module, 2. Baseband processing module, 3. Service processing module, 4. Wide beam receiving link, 5. Wide beam transmitting link, 6. Phased array transceiver antenna. Detailed Implementation
[0017] The present invention will be further described in detail below with reference to specific embodiments.
[0018] Specific reference Figure 1 This embodiment provides an integrated system for time-division telemetry, measurement and control and spectrum monitoring based on wide beam, including: wide beam receiving link 4, wide beam transmitting link 5, baseband processing module 2, service processing module 3, phased array transceiver antenna 6, and load monitoring module 1; The wide-beam receiving link 4 is used to receive measurement and control signals in measurement and control mode, or to receive full-band spectrum signals in spectrum monitoring mode. The wide-beam transmission link 5 is used to transmit telemetry signals in telemetry and control mode, or to transmit broadcast signals in spectrum monitoring mode. The baseband processing module 2 mainly completes the processing of measurement and control signals, or completes the acquisition and analysis of spectrum signals across the entire frequency band and the processing of broadcast signals in spectrum monitoring mode, obtains the frequency usage of the beam, calculates the priority based on two key factors: the integral power of the bandwidth and the frequency band, and reports it to the load monitoring module 1; the priority calculation of the baseband processing module 2 includes two key factors: the integral power of the bandwidth and the frequency band. The service processing module 3 is mainly responsible for service signal processing, used to monitor the communication parameters of each service beam in real time, and periodically inform the load monitoring module 1 of the number of users served by each beam. If the monitored continuous level is appropriate and there is a high bit error rate, a beam switching notification is sent to the user terminal. After the switching is completed and there are no users serving, the load monitoring module 1 is notified. The communication parameters monitored by the service processing module 3 include bit error rate and received level.
[0019] The phased array transceiver antenna 6 is used for signal frequency conversion, transmission and reception, etc., to complete the satellite-to-ground interaction of service signals; The payload monitoring module 1 primarily generates mode switching commands based on the visibility information from the telemetry and control station; simultaneously, it reports frequency band anomaly information to the ground control center; when the service beam is reactivated, it selects the high-priority frequency band and configures the corresponding beam phased array transceiver antenna 6. The frequency band anomaly information reported by the payload monitoring module 1 includes the abnormal frequency band, abnormal power value, and anomaly occurrence time.
[0020] The integrated method in this embodiment is applied to a wide-beam-based time-division telemetry and control and spectrum monitoring integrated system, specifically including: Time-sharing operation scheduling: A wide-beam receiver link 4 is deployed on the low-Earth orbit satellite platform. Visibility analysis is completed by calling pre-stored ground tracking and control station information and orbit prediction data through the payload monitoring module 1. When the tracking and control station is within the visible range, the payload monitoring module 1 generates tracking and control mode commands, receives tracking and control commands issued by the ground tracking and control station, and simultaneously feeds back satellite status information to the ground. When the tracking and control station is out of the visible range, the payload monitoring module 1 switches to generating spectrum monitoring mode commands, driving the system to complete the reception and preliminary processing of full-band spectrum signals, and can also support the broadcasting of relevant information.
[0021] Frequency usage information feedback: In spectrum monitoring mode, the spectrum monitoring module (i.e., baseband processing module 2) performs fine analysis on the received full-band spectrum signal, pre-configures the frequency point step interval, integral bandwidth and corresponding integral power threshold, accurately identifies the signal occupancy status, interference intensity and other core frequency usage information of each frequency band; and prioritizes the frequency bands based on the integral power value, power distribution around the frequency band, frequency band high and low and other screening conditions, and feeds back the division results to the load monitoring module 1 to provide data support for the autonomous matching of the service beam to the optimal working frequency band.
[0022] Power threshold judgment and reporting: In spectrum monitoring mode, the baseband processing module 2 calculates the signal power of each frequency band in real time. If the signal power of a certain frequency band is greater than the preset threshold, it is judged as a power anomaly. Then, power anomaly information (including the abnormal frequency band range, abnormal power value, and anomaly occurrence time) is generated and fed back to the payload monitoring module 1. The payload monitoring module 1 identifies that the power anomaly information is inconsistent with the use of the service beam, stores the information in the satellite local database, and reports it to the ground control center.
[0023] The autonomous identification, information reporting, and autonomous adjustment of strong interference faults, based on the load monitoring module 1, service processing module 3, and phased array transceiver antenna 6, are as follows: High error rate handling: Service processing module 3 monitors the transmission bit error rate of each service beam in real time and presets parameters such as bit error rate threshold, statistical duration, and reasonable range of received level (the preset bit error rate threshold is 10). -6 The signal strength is measured in dBm, with a preset duration of 30 seconds and a received signal level range of -30 to 0 dBm. If a certain service beam is detected to remain within a reasonable received signal level range for a set statistical duration, and the bit error rate exceeds a preset threshold (bit error rate greater than 10 dBm for 30 consecutive seconds), then the signal strength is measured in dBm. -6 If the error rate is high, it is determined to be a continuous high bit error rate state. At this time, the service processing module 3 generates a beam switching notification and sends it to all network-connected user terminals within the coverage area of the beam, instructing the user terminals to switch to the adjacent high-quality service beam, or to perform inter-satellite switching to the service beam of other satellites.
[0024] Frequency band adjustment and monitoring: The payload monitoring module 1 monitors the online user count of each service beam in real time. When it detects that a service beam has no online users due to persistently high bit error rates, the payload monitoring module 1 selects the optimal backup frequency point based on preset backup frequency band information, generates a frequency point configuration command, and sends it to the service processing module 3 and the phased array transceiver antenna 6. After the configuration adjustment is completed, the beam resumes normal service access. At the same time, the payload monitoring module 1 extracts relevant information of the original frequency band (including abnormal time, original frequency band range, signal power fluctuation curve, etc.), stores it in the satellite local database, and reports it to the ground control center.
[0025] The service beam's bit error rate (BER) is continuously greater than a preset BER threshold for a preset duration, and the service beam's received signal level is within a reasonable threshold. The preset duration, preset BER threshold, and reasonable received signal level threshold can be dynamically configured.
Claims
1. A time-division telemetry and control and spectrum monitoring integrated system based on wide beamwidth, characterized in that, include: Wide beam receiving link (4), wide beam transmitting link (5), baseband processing module (2), service processing module (3), phased array transceiver antenna (6) and load monitoring module (1); The phased array transceiver antenna (6) is used for signal transmission and reception and frequency conversion to complete the satellite-to-ground interaction of service signals; The wide-beam receiving link (4) is used to receive measurement and control signals in measurement and control mode and to receive full-band spectrum signals in spectrum monitoring mode. The wide-beam transmission link (5) is used to transmit telemetry signals in telemetry and control mode and to transmit broadcast signals in spectrum monitoring mode; The baseband processing module (2) is used to complete the measurement and control signal processing; In spectrum monitoring mode, it completes spectrum signal acquisition, analysis and broadcast signal processing across the entire frequency band, obtains beam frequency usage, performs priority calculation based on the integral power of the bandwidth and the frequency band, and reports to the load monitoring module (1). The service processing module (3) is used to complete service signal processing, monitor the communication parameters of each service beam in real time, and periodically inform the load monitoring module (1) of the number of users served by the beam; if the monitoring continuous level is appropriate and there is a high error rate, it sends a beam switching notification to the user terminal; after the switching is completed, if there are no users serving, it informs the load monitoring module (1). The load monitoring module (1) generates a mode switching instruction based on the visibility information of the telemetry and control station; at the same time, it reports the frequency band abnormal information to the ground control center; when the service beam is reactivated, it selects the high priority frequency band to configure the corresponding beam phased array transceiver antenna (6).
2. The integrated system for time-division telemetry, measurement and control and spectrum monitoring based on wide-beamwidth according to claim 1, characterized in that, The priority calculation of the baseband processing module (2) includes two factors: the integral power of the bandwidth and the frequency band. The communication parameters monitored by the service processing module (3) include the bit error rate and the received level.
3. The integrated system for time-division telemetry, measurement and control and spectrum monitoring based on wide-beamwidth according to claim 1, characterized in that, The load monitoring module (1) completes the visibility analysis of the control station by pre-stored ground control station information and orbit prediction data; the frequency band anomaly information reported by the load monitoring module (1) includes the abnormal frequency band, abnormal power value and abnormal occurrence time.
4. The integrated system for time-division telemetry, measurement and control and spectrum monitoring based on wide-beamwidth according to claim 1, characterized in that, The baseband processing module (2) stores the collected spectrum signal information in a local database or transmits it to a local database via an inter-satellite / satellite-to-ground link.
5. The integrated system for time-division telemetry, measurement and control and spectrum monitoring based on wide-beamwidth according to claim 1, characterized in that, The phased array transceiver antenna (6) receives the frequency configuration command sent by the load monitoring module (1) and completes the frequency adjustment of the service beam.
6. A method for integrated time-division telemetry, control, and spectrum monitoring based on wide beamwidth, implemented by an integrated system for integrated time-division telemetry, control, and spectrum monitoring based on wide beamwidth as described in any one of claims 1 to 5, characterized in that... Specifically, the process includes the following: First, a wide-beam receiving link (4) is deployed on the low-orbit satellite. The ground control station information and orbit prediction data are pre-stored through the payload monitoring module (1), and visibility analysis is completed. When the telemetry and control station is visible, the payload monitoring module (1) generates a telemetry and control mode command, receives the telemetry and control command sent by the ground telemetry and control station, and simultaneously feeds back the satellite status information to the ground; when the telemetry and control station is not visible, the payload monitoring module (1) generates a spectrum measurement mode command, completes the reception and preliminary processing of spectrum signals in the entire frequency band, and broadcasts information. In spectrum monitoring mode, the baseband processing module (2) analyzes the received full-band spectrum signal, pre-configures the frequency step interval, integral bandwidth and corresponding integral power threshold, identifies the core frequency information of each frequency band, and implements priority division of the frequency band according to the selection conditions. The division result is fed back to the load monitoring module (1) to provide data support for the autonomous matching of the service beam to the optimal working frequency band. In spectrum monitoring mode, the baseband processing module (2) calculates the signal power of each frequency band in real time. If the signal power of a certain frequency band is greater than the preset threshold, it is determined to be a power anomaly. Then, power anomaly information is generated and fed back to the load monitoring module (1). The load monitoring module (1) identifies that the power anomaly information is inconsistent with the use of the service beam, and stores the information in the satellite local database and reports it to the ground control center.
7. The integrated method for time-division telemetry and control and spectrum monitoring based on wide-beamwidth according to claim 6, characterized in that, The autonomous identification, information reporting, and autonomous adjustment of strong interference faults, based on the load monitoring module (1), service processing module (3), and phased array transceiver antenna (6), includes the following processes: The service processing module (3) monitors the transmission bit error rate of each service beam in real time and presets the bit error rate threshold, statistical duration and reasonable range of receiving level; if it is detected that a certain service beam is continuously in the reasonable range of receiving level within the set statistical duration and the bit error rate exceeds the preset threshold, it is determined to be in a state of continuous high bit error; at this time, the service processing module (3) generates a beam switching notification and sends it to all network-connected user terminals within the coverage area of the beam, instructing the user terminals to switch to the adjacent high-quality service beam, or to perform inter-satellite switching to the service beam of other satellites; The payload monitoring module (1) senses the dynamic number of online users of each service beam in real time. When it senses that no online users access a certain service beam due to continuous high bit error rate, the payload monitoring module (1) selects the optimal backup frequency point based on the preset backup frequency band information, generates a frequency point configuration command and sends it to the service processing module (3) and the phased array transceiver antenna module (6). After the configuration adjustment is completed, the beam resumes normal service access. At the same time, the payload monitoring module (1) extracts the relevant information of the original frequency band, stores it in the satellite local database, and reports it to the ground control center.