CN114710818A - Satellite station, satellite system and satellite finding method - Google Patents
Satellite station, satellite system and satellite finding method Download PDFInfo
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- CN114710818A CN114710818A CN202210284236.7A CN202210284236A CN114710818A CN 114710818 A CN114710818 A CN 114710818A CN 202210284236 A CN202210284236 A CN 202210284236A CN 114710818 A CN114710818 A CN 114710818A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims abstract description 4
- 230000010287 polarization Effects 0.000 claims description 26
- 230000003993 interaction Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
Abstract
The invention provides a satellite station, a satellite station system and a satellite searching method, wherein the satellite station comprises: the system comprises a radio frequency transceiver, a detection module, a master control route and a channel host; the radio frequency transceiver receives satellite signals and performs down-conversion processing on the satellite signals to obtain intermediate frequency signals; the detection module receives the intermediate frequency signal, acquires a signal level value based on the intermediate frequency signal, sends the signal level value to the master control route, realizes LNB feed, local oscillator switching and carrier identification according to feedback information of the channel host, and receives configuration information sent by the master control route; the main control route is used for sending the position information to the channel host, receiving the optimal beam information sent by the channel host and sending configuration information to the detection module according to the optimal beam information; the channel host receives the position information sent by the master control route, selects the optimal network access beam and sends the optimal beam information to the master control route so as to solve the problem of quick satellite finding of different beams and different frequency bands.
Description
Technical Field
The present invention relates to the field of satellite technologies, and in particular, to a satellite station, a satellite system, and a satellite finding method.
Background
At present, portable station antennas are divided into automatic satellite stations and manual satellite stations, the automatic satellite station antennas are fast in satellite alignment and simple to operate, but are expensive and have high requirements for product reliability, and once a servo transmission system or a sensor has a problem, satellite communication services cannot be followed and opened. The manual satellite station adopts a pure manual tracking mode, has high reliability and low price, is easy to carry, is suitable for being carried in a long distance and can be suitable for different complex application scenes. But the speed of the antenna to the star is very slow and the operation is inconvenient.
The traditional manual satellite station is single, the antenna and the channel host are relatively independent, the wiring is more, the connection is easy to be wrong, the service opening time is very long, and in addition, each module is packaged by a separate box body, so that the collection and the expansion are troublesome.
Disclosure of Invention
The invention provides a satellite station, comprising: the system comprises a radio frequency transceiver, a detection module, a master control route and a channel host;
the radio frequency transceiver is connected with the detection module and the channel host and is used for receiving satellite signals, performing down-conversion processing on the satellite signals to obtain intermediate frequency signals, and outputting the intermediate frequency signals to the detection module and the channel host;
the detection module is connected with the radio frequency transceiver, the master control route and the channel host, and is used for receiving an intermediate frequency signal sent by the radio frequency transceiver, acquiring a signal level value based on the intermediate frequency signal, sending the signal level value to the master control route, realizing LNB (low noise block) feeding, local oscillator switching and carrier wave identification according to feedback information of the channel host, and receiving configuration information sent by the master control route;
the main control route is connected with the detection module and the channel host module and is used for sending the position information to the channel host, receiving the optimal beam information sent by the channel host and sending configuration information to the detection module according to the optimal beam information;
the channel host is connected with the transmission port of the radio frequency transceiver, the channel host is connected with the detection module and the master control route and used for receiving position information sent by the master control route, selecting an optimal network access beam according to the position information, sending the optimal beam information to the master control route, receiving an intermediate frequency signal sent by the radio frequency transceiver, and sending feedback information to the detection module based on the optimal network access beam and the intermediate frequency signal.
The present invention provides a satellite system comprising:
a satellite for transmitting satellite signals to a satellite station;
the handheld terminal is used for sending position information to the satellite station, receiving the theoretical pitching and polarization angle values of the satellite station sent by the satellite station, and receiving the beam frequency, the symbol rate, the signal level value, the channel host state and the signal-to-noise ratio value sent by the satellite station in real time;
the satellite station is used for receiving satellite signals sent by a satellite and position information sent by the handheld terminal, calculating theoretical pitching and polarization angle values of the satellite station through a satellite-to-satellite algorithm based on the satellite signals and the position information, uploading the theoretical pitching and polarization angle values to the handheld terminal, and sending beam frequency, symbol rate, signal level value, channel host state and signal-to-noise ratio value to the handheld terminal.
The invention provides a satellite finding method, which comprises the following steps:
the main control route of the satellite station calculates the theoretical pitch and polarization angles of the satellite station through a satellite algorithm according to the satellite signals sent by the satellite and the position information sent by the handheld terminal and transmits the theoretical pitch and polarization angles to the handheld terminal;
adjusting an antenna of the satellite station according to the theoretical pitching and polarization angles of the satellite station displayed by the handheld terminal;
when the satellite station antenna is adjusted, the main control route of the satellite station acquires a signal level value from a detection module of the satellite station and sends the signal level value to the handheld terminal;
the satellite station antenna is adjusted to the theoretical pitch and polarization angles of the satellite station, and the signal level value reaches the maximum value.
By adopting the embodiment of the invention, the satellite station adopts an integrated design, integrates the channel host machine in the antenna, adopts uniform power supply, reserves a service network port outwards and supports wireless connection. The satellite station provided by the embodiment of the invention is convenient to carry and quick to open, meets all functions of an automatic satellite station quickly for the satellite, supports multi-beam switching, greatly reduces the cost compared with the traditional automatic portable satellite station, and greatly reduces the workload of field operation.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present specification, and that other drawings can be obtained by those skilled in the art without inventive exercise.
FIG. 1 is a schematic diagram of a satellite station according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a satellite station system according to an embodiment of the invention;
FIG. 3 is a flowchart of a star finding method according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating signal variations during a seek operation according to an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in one or more embodiments of the present disclosure, the technical solutions in one or more embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in one or more embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all embodiments. All other embodiments that can be derived by a person skilled in the art from one or more of the embodiments described herein without making any inventive step shall fall within the scope of protection of this document.
Device embodiment
According to an embodiment of the present invention, a satellite station is provided, and fig. 1 is a schematic diagram of a satellite station according to an embodiment of the present invention, and as shown in fig. 1, the satellite station according to an embodiment of the present invention specifically includes: the system comprises a radio frequency transceiver integrated machine 10, a detection module 12, a master control route 14 and a channel host 16;
the radio frequency transceiver 10 is connected to the detection module 12 and the channel host 16, and configured to receive a satellite signal, perform down-conversion processing on the satellite signal to obtain an intermediate frequency signal, and output the intermediate frequency signal to the detection module 12 and the channel host 16;
the detection module 12 is connected to the radio frequency transceiver 10, the master control route 14 and the channel host 16, and is configured to receive an intermediate frequency signal sent by the radio frequency transceiver 10, obtain a signal level value based on the intermediate frequency signal, send the signal level value to the master control route 14, implement LNB feeding, local oscillator switching and carrier recognition according to feedback information of the channel host 16, and receive configuration information sent by the master control route 14;
the main control route 14 is connected to the detection module 12 and the channel host 16, and is configured to send the position information to the channel host 16, receive the optimal beam information sent by the channel host 16, and send configuration information to the detection module 12 according to the optimal beam information;
the channel host 16 has a transmission port connected to the transmission port of the radio frequency transceiver 10, the channel host 16 is connected to the detection module 12 and the master control route 14, and is configured to receive the position information sent by the master control route 14, select an optimal network access beam according to the position information, send the optimal beam information to the master control route 14, receive an intermediate frequency signal sent by the radio frequency transceiver 10, and send feedback information to the detection module 12 based on the optimal network access beam and the intermediate frequency signal.
The traditional satellite station antenna can aim at the satellite only after different wave beam information is required to be input under different wave beams, the channel host is set to be in a communication mode before the satellite station is used for the first time, the channel host supports wave beam switching under the communication mode in the communication mode, and the satellite station is not repeatedly set after being used for the later time.
After the system is powered on, the handheld terminal establishes connection with the master control route through WiFi signals; the master control route receives the positioning data of the handheld terminal, establishes OpenAMIP communication with the channel host and transmits the geographic position information to the channel host.
The radio frequency transceiver integrated machine receives satellite signals, then outputs the satellite signals to the detection module after the satellite signals are processed by down-conversion as intermediate frequency signals, the detection module supports multimode detection, beacon, DVB and carrier detection can be achieved, setting can be carried out through software, and meanwhile, one path of signals is output to the channel host. The channel host sending port is connected with the radio frequency transceiver sending port, and can send videos and data to the main station platform through a satellite.
The master control route carries out information interaction through the serial port and the detection module, carries out protocol interaction through the network port and the channel host, and simultaneously provides wireless communication and the handheld terminal for data communication.
The channel host selects the optimal network access beam from the geographic information acquired by the main control module, and informs the main control module of the beam information through an OpenAMIP protocol, wherein the beam information comprises carrier frequency, bandwidth, receiving polarization and receiving local oscillator frequency.
The master control route configures a detection receiving module according to the beam information, and the detection receiving module realizes LNB feed, local oscillator switch and carrier identification according to the channel host feedback information.
The master control route calculates theoretical pitching and polarization angle values of the satellite station through a satellite algorithm through position information and satellite parameters and uploads the theoretical pitching and polarization angle values to the handheld terminal APP. When the antenna is used, the two degrees of freedom of the antenna are adjusted to corresponding positions according to the pitching and polarization values displayed by the APP, and meanwhile, the antenna is confirmed according to the dial of each degree of freedom.
The master control route acquires a signal level value from the detection module and transmits the signal level value to the handheld terminal APP for display in real time. The method comprises the following steps that a handheld terminal APP receives beam frequency, symbol rate, signal level value, channel host state, signal-to-noise ratio value and the like from a master control; the refresh rate of 10 times per second ensures that signals can be updated in real time when the antenna is manually adjusted, and the satellite can be locked more quickly, accurately and conveniently.
System embodiment
According to an embodiment of the present invention, a satellite station system is provided, and fig. 2 is a schematic diagram of the satellite station system according to the embodiment of the present invention, and as shown in fig. 2, the satellite station system according to the embodiment of the present invention specifically includes: satellites, satellite stations, and handheld terminals;
a satellite for transmitting satellite signals to a satellite station;
the handheld terminal is used for sending position information to the satellite station, receiving the theoretical pitching and polarization angle values of the satellite station sent by the satellite station, and receiving the beam frequency, the symbol rate, the signal level value, the channel host state and the signal-to-noise ratio value sent by the satellite station in real time;
the satellite station is used for receiving satellite signals sent by a satellite and position information sent by the handheld terminal, calculating theoretical pitching and polarization angle values of the satellite station through a satellite alignment algorithm based on the satellite signals and the position information, uploading the theoretical pitching and polarization angle values to the handheld terminal, and sending beam frequency, symbol rate, signal level value, channel host state and signal-to-noise ratio value to the handheld terminal.
Method embodiment
According to an embodiment of the present invention, a star finding method is provided, fig. 3 is a flowchart of the star finding method according to the embodiment of the present invention, and as shown in fig. 3, the star finding method according to the embodiment of the present invention specifically includes:
step S301, a master control route of the satellite station calculates a theoretical pitch and polarization angle of the satellite station through a satellite algorithm according to a satellite signal sent by a satellite and position information sent by a handheld terminal and transmits the theoretical pitch and polarization angle to the handheld terminal;
step S302, adjusting an antenna of the satellite station according to the theoretical pitching and polarization angles of the satellite station displayed by the handheld terminal;
step S303, when the satellite station antenna is adjusted, the main control route of the satellite station acquires a signal level value from a detection module of the satellite station and sends the signal level value to the handheld terminal;
step S304, the satellite station antenna is adjusted to the theoretical pitch and polarization angles of the satellite station, and the signal level value reaches the maximum value.
Fig. 4 is a schematic diagram of signal changes in the satellite finding process according to the embodiment of the present invention. The antenna is according to signal change rule in position or every single move adjustment process, as shown in fig. 4, and the antenna is at the motion in-process, and the detected signal is from little to big and diminishing, and the master control route carries out the information interaction through serial ports post detection module, implements to read signal level value, and the extremely corresponding position of record signal maximum value simultaneously can instruct respectively with position and every single move adjustment to satellite signal maximum value position according to the APP of handheld terminal when seeking stars. And the two degrees of freedom of azimuth pitching are fixed through a manual locking knob, namely the satellite searching is completed, the satellite searching time is less than 2 minutes through actual test verification, and the satellite searching time is basically consistent with that of an automatic satellite station. Meanwhile, the portable satellite station information can also be uploaded to a background service platform through a handheld terminal, and remote monitoring and upgrading of the satellite station can be realized.
The invention brings great help to users, greatly reduces satellite finding difficulty, improves satellite tracking efficiency and accuracy, has very high antenna integration level (a built-in battery, a modem and the like), supports alternating current power supply, is very suitable for emergency communication requirements, and has strong universality and can be suitable for fixed station antennas.
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 these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A satellite station, comprising: the system comprises a radio frequency transceiver, a detection module, a master control route and a channel host;
the radio frequency transceiver is connected with the detection module and the channel host and is used for receiving satellite signals, performing down-conversion processing on the satellite signals to obtain intermediate frequency signals, and outputting the intermediate frequency signals to the detection module and the channel host;
the detection module is connected with the radio frequency transceiver integrated machine, the master control route and the channel host, and is used for receiving an intermediate frequency signal sent by the radio frequency transceiver integrated machine, acquiring a signal level value based on the intermediate frequency signal, sending the signal level value to the master control route, realizing LNB feeding, local oscillator switching and carrier wave identification according to feedback information of the channel host, and receiving configuration information sent by the master control route;
the main control route is connected with the wave detection module and the channel host module and is used for sending position information to the channel host, receiving optimal beam information sent by the channel host and sending configuration information to the wave detection module according to the optimal beam information;
the channel host is connected with the sending port of the radio frequency transceiver, the channel host is connected with the detection module and the master control route, and is used for receiving position information sent by the master control route, selecting an optimal network access beam according to the position information, sending the optimal beam information to the master control route, receiving an intermediate frequency signal sent by the radio frequency transceiver, and sending feedback information to the detection module based on the optimal network access beam and the intermediate frequency signal.
2. The satellite station of claim 1, wherein the master router performs information interaction with the detection module through a serial port, and performs protocol interaction with the channel host through a network port.
3. The satellite station of claim 1, wherein the channel host sends the best beam information to the master route via an OpenAMIP protocol.
4. The satellite station of claim 1, wherein the channel master transmits the best beam information including carrier frequency, bandwidth, receive polarization, and receive local oscillator frequency.
5. The satellite station of claim 1, wherein the master route is further configured to: and reading the signal level value in real time, and recording the maximum value and the corresponding position of the level signal.
6. A satellite station system, comprising: a satellite, a handheld terminal, and the satellite station of any of claims 1-5;
the satellite is used for transmitting satellite signals to the satellite station;
the handheld terminal is used for sending position information to the satellite station, receiving the theoretical pitching and polarization angle values of the satellite station sent by the satellite station, and receiving the beam frequency, the symbol rate, the signal level value, the channel host state and the signal-to-noise ratio value sent by the satellite station in real time;
the satellite station is used for receiving satellite signals sent by the satellite and the position information sent by the handheld terminal, calculating theoretical pitching and polarization angle values of the satellite station through a satellite alignment algorithm based on the satellite signals and the position information, uploading the theoretical pitching and polarization angle values to the handheld terminal, and sending beam frequency, symbol rate, signal level value, channel host state and signal-to-noise ratio value to the handheld terminal.
7. The satellite station system of claim 6, wherein the handheld terminal performs data refresh at a particular frequency.
8. A satellite station satellite finding method for the satellite station system of claim 6, comprising:
the main control route of the satellite station calculates the theoretical pitch and polarization angles of the satellite station through a satellite algorithm according to the satellite signals sent by the satellite and the position information sent by the handheld terminal and transmits the theoretical pitch and polarization angles to the handheld terminal;
adjusting an antenna of a satellite station according to the theoretical pitching and polarization angles of the satellite station displayed by the handheld terminal;
when the satellite station antenna is adjusted, the main control route of the satellite station acquires a signal level value from a detection module of the satellite station and sends the signal level value to the handheld terminal;
and adjusting the satellite station antenna to the theoretical pitch and polarization angles of the satellite station, wherein the signal level value reaches the maximum value.
9. The method of claim 8, further comprising:
and setting a channel host of the satellite station to be in a communication-in-motion mode when the satellite station is used for the first time.
10. The method of claim 8, wherein the master router of the satellite station transmits the signal level value to the handheld terminal further transmits a beam frequency, a symbol rate, a channel host status, and a signal-to-noise ratio value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210284236.7A CN114710818A (en) | 2022-03-22 | 2022-03-22 | Satellite station, satellite system and satellite finding method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210284236.7A CN114710818A (en) | 2022-03-22 | 2022-03-22 | Satellite station, satellite system and satellite finding method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1968048A (en) * | 2006-09-19 | 2007-05-23 | 北京爱科迪信息通讯技术有限公司 | Intelligent portable satellite communications earth station and its control method |
| CN204272119U (en) * | 2014-11-28 | 2015-04-15 | 南京中网卫星通信股份有限公司 | A kind of IP-star satellite system automatic star-seeking and enter net arrangement |
| CN113328776A (en) * | 2021-04-21 | 2021-08-31 | 北京爱科迪通信技术股份有限公司 | System and method for tracking target satellite with low power consumption |
| WO2021199218A1 (en) * | 2020-03-30 | 2021-10-07 | 日本電信電話株式会社 | Antenna direction adjustment method, portable station device, and antenna direction adjustment program in satellite communication system |
| WO2022039287A1 (en) * | 2020-08-18 | 2022-02-24 | 엘지전자 주식회사 | Method by which user equipment and base station transmit/receive signals in wireless communication system, and apparatus |
| CN114204982A (en) * | 2021-12-28 | 2022-03-18 | 航天恒星科技有限公司 | High-low orbit universal type wide-frequency satellite communication system and method |
-
2022
- 2022-03-22 CN CN202210284236.7A patent/CN114710818A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1968048A (en) * | 2006-09-19 | 2007-05-23 | 北京爱科迪信息通讯技术有限公司 | Intelligent portable satellite communications earth station and its control method |
| CN204272119U (en) * | 2014-11-28 | 2015-04-15 | 南京中网卫星通信股份有限公司 | A kind of IP-star satellite system automatic star-seeking and enter net arrangement |
| WO2021199218A1 (en) * | 2020-03-30 | 2021-10-07 | 日本電信電話株式会社 | Antenna direction adjustment method, portable station device, and antenna direction adjustment program in satellite communication system |
| WO2022039287A1 (en) * | 2020-08-18 | 2022-02-24 | 엘지전자 주식회사 | Method by which user equipment and base station transmit/receive signals in wireless communication system, and apparatus |
| CN113328776A (en) * | 2021-04-21 | 2021-08-31 | 北京爱科迪通信技术股份有限公司 | System and method for tracking target satellite with low power consumption |
| CN114204982A (en) * | 2021-12-28 | 2022-03-18 | 航天恒星科技有限公司 | High-low orbit universal type wide-frequency satellite communication system and method |
Non-Patent Citations (4)
| Title |
|---|
| 刘兆栋: "Ku波段超宽带射频发射机关键技术研究", 《中国优秀硕士学位论文全文数据库信息科技辑》, no. 11, 15 November 2017 (2017-11-15), pages 1 - 84 * |
| 张鹏宗: "便携式卫星通信地球站手动对星系统设计", 《电子世界》, no. 13, 8 July 2016 (2016-07-08), pages 113 - 114 * |
| 赵勇等: "一种高性价比船载卫星通信天线系统的设计与应用", 《电信快报》, no. 07, 10 July 2010 (2010-07-10), pages 9 - 12 * |
| 郑学东等: "IP-STAR卫星跨点波束自动对星系统研究及应用展望", 《数字通信世界》, no. 01, 1 January 2015 (2015-01-01), pages 20 - 24 * |
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