CN115037347A - Dual-band satellite communication simulation transponder - Google Patents
Dual-band satellite communication simulation transponder Download PDFInfo
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- CN115037347A CN115037347A CN202210509196.1A CN202210509196A CN115037347A CN 115037347 A CN115037347 A CN 115037347A CN 202210509196 A CN202210509196 A CN 202210509196A CN 115037347 A CN115037347 A CN 115037347A
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- 238000004891 communication Methods 0.000 title claims abstract description 36
- 238000004088 simulation Methods 0.000 title description 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 63
- 238000012545 processing Methods 0.000 claims abstract description 14
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims description 15
- 230000009977 dual effect Effects 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- 230000002238 attenuated effect Effects 0.000 claims 1
- 238000012549 training Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18517—Transmission equipment in earth stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
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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
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Abstract
The invention discloses a dual-band satellite communication analog transponder, comprising: a Ku conversion unit and a Ka conversion unit, each comprising: the power adjusting module is used for adjusting the received uplink signal; the first frequency conversion module is used for processing the received uplink signal; the intermediate frequency module is used for carrying out gain adjustment on the input intermediate frequency signal; the second frequency conversion module is used for converting the adjusted intermediate frequency signal into a downlink signal; a beacon module for generating a beacon signal; the noise loading module is used for generating a noise signal; the synthesis module synthesizes the downlink signal, the beacon signal and the noise signal; the control module is used for processing the received control and query instructions and sending the control and query instructions to the corresponding conversion unit; the noise loading of the Ku/Ka repeater is realized by adding a noise loading module; and the signal-to-noise ratio of the output signal of the repeater is changed by adjusting the noise output power; the technical problems that satellite resources are in shortage and the training work with high strength and multiple tasks cannot be carried out are solved.
Description
Technical Field
The invention belongs to the technical field of satellite communication, and particularly relates to a dual-band satellite communication analog transponder.
Background
In the field of satellite communication, in order to reduce cost and reduce the influence on the service life of a satellite transponder in daily equipment maintenance, system test and signal monitoring of a satellite earth station, a simulated satellite transponder is generally used to replace a real satellite transponder.
After the satellite communication equipment is distributed to troops, daily training of the satellite communication equipment is needed, but the requirement for high-intensity and multi-task communication training work of troops cannot be met due to shortage of satellite resources.
Therefore, it is urgently needed to provide a dual-band satellite communication analog repeater to solve the problem that the satellite resources are in short supply and the requirement of troops on high-intensity and multi-task communication training cannot be met.
Disclosure of Invention
The invention aims to provide a dual-band satellite communication simulation transponder which is at least used for solving the problem that satellite resources are in shortage and cannot meet the requirement of troops on high-strength and multi-task communication training.
In order to achieve the above object, the present invention provides a dual band satellite communication analog repeater, comprising:
the Ku conversion unit is used for converting the uplink signal received by the receiving antenna of the Ku frequency band and outputting the uplink signal through the transmitting antenna of the Ku frequency band;
a Ka conversion unit for converting an uplink signal received through a receiving antenna of a Ka band and outputting the converted uplink signal through a transmitting antenna of the Ka band;
the Ku conversion unit and the Ka conversion unit both comprise:
the power adjusting module is used for adjusting the power of the received uplink signal;
the first frequency conversion module is used for carrying out frequency conversion and filtering processing on the uplink signal after power adjustment and outputting an intermediate frequency signal;
the intermediate frequency module is connected with the first frequency conversion module and is used for performing gain adjustment on the intermediate frequency signal input by the first frequency conversion module;
the second frequency conversion module is used for converting the intermediate frequency signal after the gain adjustment into a downlink signal;
a beacon module for generating a beacon signal;
a noise loading module comprising a noise source and a noise channel through which a noise signal is generated;
the synthesis module is used for synthesizing the downlink signal generated by the second frequency conversion module, the beacon signal generated by the beacon module and the noise signal generated by the noise loading module and outputting the synthesized downlink signal, the beacon signal and the noise signal through a transmitting antenna;
the repeater further includes: and the control module is connected with the Ku conversion unit and the Ka conversion unit and used for processing the received control and query instructions and sending the control and query instructions to the corresponding Ku conversion unit and the corresponding Ka conversion unit.
Optionally, the repeater further comprises:
the WiFi module is respectively electrically connected with the transmitting antenna and the control module, demodulates downlink signals transmitted by the transmitting antenna into digital signals and transmits the digital signals to the control module, modulates the digital signals transmitted by the control module into radio-frequency signals, and radiates the radio-frequency signals through the WiFi antenna.
Optionally, the WIFI module is connected to the terminal device, and is configured to receive the control instruction and the query instruction of the terminal device and send the received instruction to the control module.
Optionally, the repeater further comprises:
and the power supply module is mainly used for processing an externally input power supply and sending the processed power supply to the repeater.
Optionally, the power supply is a dual power supply.
Optionally, the power adjusting module is mainly configured to adjust the power of the received uplink signal, and specifically includes: and attenuating the signal with larger power and amplifying the signal with smaller power.
Optionally, the performing, by the intermediate frequency module, gain adjustment on the intermediate frequency signal input by the first frequency conversion module specifically includes:
amplifying the intermediate frequency signal input by the first frequency conversion module and filtering the intermediate frequency signal to filter stray signals and local oscillator leakage signals of the first frequency conversion module.
Optionally, the second frequency conversion module specifically includes:
and performing frequency conversion and filtering processing on the intermediate frequency signal after gain adjustment, and converting the intermediate frequency signal into a downlink signal of the satellite communication equipment.
Optionally, the noise source is used for generating both narrow-band and full-bandwidth noise signals; the noise channel is used for amplifying and attenuating noise signals generated by a noise source and filtering out-of-band spurious signals.
Optionally, before the combining module combines the downlink signal, the beacon signal, and the noise signal and outputs the combined signal through a transmitting antenna, the combining module further includes: and filtering and amplifying the composite signal.
The invention has the beneficial effects that:
the invention relates to a wireless Ku/Ka dual-band satellite communication analog transponder, which is characterized in that on the basis of wireless Ka and Ku band analog transponders, noise loading of the Ku/Ka analog transponder is realized by adding a power adjusting module, a frequency conversion module, a synthesis module, a noise loading module and a control module; and the noise loading function is added, the noise is loaded on the transmitting link through the internal synthesis module, the signal-to-noise ratio of the output signal of the analog transponder is changed by adjusting the noise output power, the free space loss and the rain attenuation are simulated, and the problems that the satellite resources are in shortage and the requirement of troops for carrying out high-strength and multi-task communication training work is not met are solved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic structural diagram of a dual-band satellite communication analog transponder according to the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example 1
Fig. 1 shows a schematic structural diagram of a dual-band satellite communication analog repeater.
As shown in fig. 1, a dual-band satellite communication analog repeater includes:
a Ku conversion unit for converting an uplink signal received by a receiving antenna of a Ku frequency band and outputting the converted uplink signal through a transmitting antenna of the Ku frequency band;
a Ka conversion unit for converting an uplink signal received through a receiving antenna of a Ka band and outputting the converted uplink signal through a transmitting antenna of the Ka band;
the Ku conversion unit and the Ka conversion unit both comprise:
the power adjusting module is used for adjusting the power of the received uplink signal;
the first frequency conversion module is used for carrying out frequency conversion and filtering processing on the uplink signal after power adjustment and outputting an intermediate frequency signal;
an intermediate frequency module: the intermediate frequency module is connected with the first frequency conversion module and is used for performing gain adjustment on the intermediate frequency signal input by the first frequency conversion module;
the second frequency conversion module: converting the intermediate frequency signal after gain adjustment into a downlink signal;
a beacon module: for generating a beacon signal;
a noise loading module: the noise loading module comprises a noise source and a noise channel, and a noise signal is generated through the noise source and the noise channel;
a synthesis module: synthesizing a downlink signal generated by the second frequency conversion module, a beacon signal generated by the beacon module and a noise signal generated by the noise loading module and outputting the synthesized signals through a transmitting antenna;
the repeater further includes: and the control module is connected with the Ku conversion unit and the Ka conversion unit and used for processing the received control and query instructions and sending the control and query instructions to the corresponding Ku conversion unit and the corresponding Ka conversion unit.
Specifically, the power adjustment module is mainly configured to adjust the power of the received uplink signal, and specifically includes: and attenuating the signal with larger power and amplifying the signal with smaller power.
The intermediate frequency module specifically comprises: amplifying the intermediate frequency signal input by the first frequency conversion module and filtering the intermediate frequency signal to filter stray signals and local oscillator leakage signals of the first frequency conversion module.
The second frequency conversion module specifically comprises:
and performing frequency conversion and filtering processing on the intermediate frequency signal after gain adjustment, and converting the intermediate frequency signal into a downlink signal of the satellite communication equipment.
The noise source is used for generating two noise signals of a narrow band and a full bandwidth; the noise channel is used for amplifying and attenuating noise signals generated by a noise source and filtering out-of-band spurious signals.
The combining module further includes, after combining the downlink signal, the beacon signal, and the noise signal and before outputting the combined signal through a transmitting antenna: and filtering and amplifying the composite signal.
The invention relates to a wireless Ku/Ka dual-band satellite communication analog transponder, which is characterized in that on the basis of wireless Ka and Ku band analog transponders, noise loading of the Ku/Ka analog transponder is realized by adding a power adjusting module, a frequency conversion module, a synthesis module, a noise loading module and a control module; and the noise loading function is added, noise can be loaded on a transmitting link through an internal synthesis module, the signal-to-noise ratio of an output signal of the analog transponder is changed by adjusting the output power of the noise, the free space loss and the rain attenuation are simulated, the problem that satellite resources are in shortage and the requirement of armies for carrying out high-strength and multi-task communication training work is not met is solved.
Specifically, the repeater further includes:
the WiFi module is respectively electrically connected with the transmitting antenna and the control module, demodulates downlink signals transmitted by the transmitting antenna into digital signals and transmits the digital signals to the control module, modulates the digital signals transmitted by the control module into radio-frequency signals, and radiates the radio-frequency signals through the WiFi antenna.
The WIFI module is connected with the terminal equipment and used for receiving the control command and the query command of the terminal equipment and sending the received commands to the control module.
In this embodiment, a mobile phone or a computer device may be connected to the WiFi on the Ku/Ka dual-band wireless satellite communication analog repeater, and a device browser user logs in to perform operation control and status query on the analog repeater, and to turn on the noise loading function and adjust the noise output power.
And the power supply module is mainly used for processing an externally input power supply and sending the processed power supply to the repeater.
In the embodiment, the power supply is a dual power supply, and the dual power supply can supply power, can perform power supply self-adaptive switching, can supply power through an external battery, does not need to be connected with an external cable, and can realize convenient installation and use; this transponder still includes a box, and each functional module can be integrated in a box, and the simulation transponder can install Ku Ka dual-band radio satellite communication simulation transponder on the lifter when adopting battery powered, perhaps adopts unmanned aerial vehicle hoist and mount, need not to worry the problem that outside cable brought.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A dual-band satellite communication analog transponder, comprising:
a Ku conversion unit for converting an uplink signal received by a receiving antenna of a Ku frequency band and outputting the converted uplink signal through a transmitting antenna of the Ku frequency band;
a Ka conversion unit for converting an uplink signal received through a receiving antenna of a Ka band and outputting the converted uplink signal through a transmitting antenna of the Ka band;
the Ku conversion unit and the Ka conversion unit both comprise:
the power adjusting module is used for adjusting the power of the received uplink signal;
the first frequency conversion module is used for carrying out frequency conversion and filtering processing on the uplink signal after power adjustment and outputting an intermediate frequency signal;
the intermediate frequency module is connected with the first frequency conversion module and is used for performing gain adjustment on the intermediate frequency signal input by the first frequency conversion module;
the second frequency conversion module is used for converting the intermediate frequency signal after the gain adjustment into a downlink signal;
a beacon module for generating a beacon signal;
a noise loading module comprising a noise source and a noise channel through which a noise signal is generated;
the synthesis module is used for synthesizing the downlink signal generated by the second frequency conversion module, the beacon signal generated by the beacon module and the noise signal generated by the noise loading module and outputting the synthesized downlink signal, the beacon signal and the noise signal through a transmitting antenna;
the repeater further includes: and the control module is connected with the Ku conversion unit and the Ka conversion unit and used for processing the received control and query instructions and sending the control and query instructions to the corresponding Ku conversion unit and the corresponding Ka conversion unit.
2. The dual band satellite communication analog repeater of claim 1, wherein the repeater further comprises:
the WiFi module is respectively electrically connected with the transmitting antenna and the control module, demodulates downlink signals transmitted by the transmitting antenna into digital signals and transmits the digital signals to the control module, modulates the digital signals transmitted by the control module into radio-frequency signals, and radiates the radio-frequency signals through the WiFi antenna.
3. The dual-band satellite communication analog repeater according to claim 2, wherein the WIFI module is connected to a terminal device, and is configured to receive a control command and an inquiry command of the terminal device and send the received commands to the control module.
4. The dual band satellite communication analog repeater of claim 1, wherein the repeater further comprises:
and the power supply module is mainly used for processing an externally input power supply and sending the processed power supply to the repeater.
5. The dual band satellite communications analog repeater according to claim 4, wherein the power supply is dual power.
6. The dual-band satellite communication analog repeater according to claim 1, wherein the power adjusting module is mainly used for adjusting the power of the received uplink signal, and specifically comprises: the signal with larger power is attenuated, and the signal with smaller power is amplified.
7. The dual-band satellite communication analog repeater according to claim 1, wherein the intermediate frequency module is configured to perform gain adjustment on the intermediate frequency signal input by the first frequency conversion module, and specifically comprises:
amplifying the intermediate frequency signal input by the first frequency conversion module and filtering the intermediate frequency signal to filter stray signals and local oscillator leakage signals of the first frequency conversion module.
8. The dual-band satellite communication analog repeater according to claim 1, wherein the second frequency conversion module specifically comprises:
and performing frequency conversion and filtering processing on the intermediate frequency signal after gain adjustment, and converting the intermediate frequency signal into a downlink signal of the satellite communication equipment.
9. The dual band satellite communication analog repeater of claim 1,
the noise source is used for generating two noise signals of a narrow band and a full bandwidth; the noise channel is used for amplifying and attenuating noise signals generated by a noise source and filtering out-of-band spurious signals.
10. The dual-band satellite communication analog repeater according to claim 1, wherein the combining module further comprises after combining the downlink signal, the beacon signal and the noise signal and before outputting the combined signal through the transmitting antenna: and filtering and amplifying the composite signal.
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| CN202210509196.1A CN115037347B (en) | 2022-05-11 | 2022-05-11 | Dual-band satellite communication analog repeater |
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| CN115765831A (en) * | 2022-10-21 | 2023-03-07 | 中国电子科技集团公司第十研究所 | One-station two-satellite communication system and method under same-orbit two-satellite coverage |
| CN116743241A (en) * | 2023-08-16 | 2023-09-12 | 天津讯联科技有限公司 | Inter-satellite link system implementation method suitable for satellite-surrounding flying formation |
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| CN115037347B (en) | 2024-09-27 |
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