CN114500946A - Satellite transmission control method and system - Google Patents

Abstract

The invention discloses a satellite transmission control method and a satellite transmission control system. The satellite transmission control method comprises the following steps: the receiving equipment receives first information sent by the transmitting equipment through at least one first communication link and receives second information sent by the transmitting equipment through at least one second communication link; the first information and the second information are information sent by the transmitting equipment based on the same content; the receiving equipment determines the best information in the first information and the second information; the receiving apparatus transmits the optimum information to the receiving terminal. The technical scheme of the invention achieves the effect of ensuring that the staff can obtain a clearer picture.

Description

A kind of satellite transmission control method and system

technical field

The invention relates to the technical field of information transmission, in particular to a satellite transmission control method and system.

Background technique

The communication between ships at sea and land generally adopts satellite transmission, and the existing ship satellite transmission is generally transmitted through the Internet or a dedicated network. When a ship needs to transmit an important real-time picture, all available satellites are required to ensure the transmission of the picture.

When the existing ship and shore-based use satellite transmission, when the picture quality of a certain satellite transmission is poor, it is necessary to manually switch the satellite, which takes a long time, and cannot guarantee that the satellite transmission effect after switching is better. A picture with better picture quality is received.

SUMMARY OF THE INVENTION

The present invention provides a satellite transmission control method and system to ensure that a picture with better picture quality is received.

According to an aspect of the present invention, a satellite transmission control method is provided, and the satellite transmission control method includes:

The receiving device receives the first information sent by the transmitting device through at least one first communication link, and receives the second information sent by the transmitting device through at least one second communication link; the first information and the second information information sent by the transmitting device based on the same content;

the receiving device determines the best information among the first information and the second information;

The receiving device sends the optimal information to the receiving terminal.

Optionally, the receiving device receiving the first information sent by the transmitting device through at least one first communication link, and receiving the second information sent by the transmitting device through at least one second communication link includes:

The receiving device receives the first information sent by the transmitting device through at least one first satellite and an Internet device, and receives the second information sent by the transmitting device through at least one second satellite and a satellite ground station.

Optionally, the receiving device determining the best information among the first information and the second information includes:

The receiving device obtains the first parameter of the first information, and obtains the second parameter of the second information;

The receiving device determines the best information among the first information and the second information according to the first parameter and the second parameter.

Optionally, the receiving device acquiring the first parameter of the first information and acquiring the second parameter of the second information includes:

The receiving device acquires the first packet loss rate, the first transmission time, and the first video bandwidth corresponding to the first information, and acquires the second packet loss rate, the second transmission time, and the second corresponding to the second information. video bandwidth;

The receiving device determining the best information among the first information and the second information according to the first parameter and the second parameter includes:

The receiving device compares the first packet loss rate with the second packet loss rate, compares the first transmission time with the second transmission time, and compares the first video bandwidth with the The second video bandwidth is compared to determine the best information among the first information and the second information.

Optionally, the receiving device receiving the first information sent by the transmitting device through at least one first communication link, and receiving the second information sent by the transmitting device through at least one second communication link includes:

The receiving device receives the encrypted first information sent by the transmitting device through at least one first communication link, and receives the encrypted second information sent by the transmitting device through at least one second communication link;

Before the receiving device determines the best information among the first information and the second information, the method further includes:

The receiving device decrypts the encrypted first information and the encrypted second information.

Optionally, the receiving device includes a shore-based communication device, and the transmitting device includes a ship communication device;

Alternatively, the receiving device includes a ship communication device, and the transmitting device includes a shore-based communication device.

According to another aspect of the present invention, a satellite transmission control system is provided, the satellite transmission control system includes a transmitting device, at least one first communication link, at least one second communication link and a receiving device;

The receiving device is communicatively connected to the transmitting device through the first communication link and the second communication link, and the receiving device is configured to receive the first information sent by the transmitting device through at least one first communication link , and receive the second information sent by the transmitting device through at least one second communication link; the receiving device is further configured to determine the best information among the first information and the second information; the receiving device is also used to send the best information to the receiving terminal;

The first information and the second information are information sent by the transmitting device based on the same content.

Optionally, the first communication link includes a first satellite and an Internet device;

The second communication link includes a second satellite and a satellite ground station.

Optionally, the receiving device includes at least one first channel and at least one second channel, and the transmitting device includes at least one third channel and at least one fourth channel;

The first channel is connected to the first end of the first communication link through a first network cable, and the second end of the first communication link is connected to the third channel through a second network cable;

The second channel is connected to the first end of the second communication link through a third network cable, and the second end of the second communication link is connected to the fourth channel through a fourth network cable.

Optionally, the receiving device includes a communication module and a control module;

The communication module is connected to the transmitting device through at least one of the first communication link and the second communication link, and the communication module is configured to receive the first transmission device sent by the transmitting device through at least one first communication link. information, and receive the second information sent by the transmitting device through at least one second communication link;

The communication module is electrically connected to the control module, and the control module is used to obtain the first parameter of the first information and obtain the second parameter of the second information; the control module is also used to obtain the first parameter of the second information; The first parameter and the second parameter determine the best information among the first information and the second information.

According to the technical solution of the embodiment of the present invention, when the ship needs to communicate with the shore base, the transmitting device transmits the same content through at least one first communication link and at least one second communication link respectively, and the receiving device transmits the same content through at least one first communication link and at least one second communication link respectively. The communication link receives the first information sent by the transmitting device, and receives the second information sent by the transmitting device through at least one second communication link, and the receiving device determines the best information among the first information and the second information, and then Send the best information to the receiving terminal, so that the shore-based staff can obtain the information sent by the ship's staff, and the ship's staff can also obtain the messages sent by the shore-based staff, and what is obtained is the first information and The best information in the second information is of high quality, which can ensure that the staff can obtain a clearer picture. The technical solution of the present embodiment solves the problem that when the existing ship and shore-based use satellite transmission, when the picture quality of a certain satellite transmission is poor, the satellite needs to be manually switched, and it cannot be guaranteed that the satellite transmission effect after switching is better. There is no guarantee that a picture with better picture quality can be received, which achieves the effect of ensuring that the staff can obtain a clearer picture.

It should be understood that the content described in this section is not intended to identify key or critical features of the embodiments of the invention, nor is it intended to limit the scope of the invention. Other features of the present invention will become readily understood from the following description.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a flowchart of a satellite transmission control method provided according to an embodiment of the present invention;

2 is a flowchart of another satellite transmission control method provided according to an embodiment of the present invention;

3 is a flowchart of another satellite transmission control method provided according to an embodiment of the present invention;

4 is a schematic structural diagram of a satellite transmission control system provided according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of another satellite transmission control system provided according to an embodiment of the present invention.

Detailed ways

In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used may be interchanged under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having" and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those expressly listed Rather, those steps or units may include other steps or units not expressly listed or inherent to these processes, methods, products or devices.

FIG. 1 is a flowchart of a satellite transmission control method provided according to an embodiment of the present invention. This embodiment can be applied to a situation where a ship communicates with a shore base. Referring to FIG. 1 , the method includes:

S110. The receiving device receives the first information sent by the transmitting device through at least one first communication link, and receives the second information sent by the transmitting device through at least one second communication link; the first information and the second information are based on the transmitting device information sent by the same content.

Specifically, when the ship needs to communicate with the shore base for important tasks, the transmitting device transmits the same content through at least one first communication link and at least one second communication link respectively, and the receiving device transmits the same content through at least one first communication link. The first information sent by the transmitting device and the second information sent by the transmitting device are received through at least one second communication link. The first information and the second information are the information sent by the transmitting device based on the same content, but due to the Depending on the link, the first information and the second information received by the receiving device may be the same or different. When the ship and the shore-based perform common tasks, multiple communication links can be set for communication, or one communication link can be set for communication to reduce power consumption.

The first communication link includes, for example, satellites and Internet devices, and the second communication link includes, for example, satellites and satellite ground stations.

Optionally, the receiving device includes a shore-based communication device, and the transmitting device includes a marine communication device; or, the receiving device includes a marine communication device, and the transmitting device includes a shore-based communication device.

Specifically, the transmitting device is, for example, a communication device on a ship, and the receiving device is, for example, a shore-based communication device, or the transmitting device is, for example, a shore-based communication device, and the receiving device is, for example, a communication device on a ship, so that the ship can communicate with Shore-based communications.

S120. The receiving device determines the best information among the first information and the second information.

Specifically, since there are multiple first communication links and multiple second communication links, the receiving device can receive multiple first information and multiple second information, and the receiving device associates multiple first information with multiple second information. The second information is compared together to determine the best information among all the information received by the receiving device, so as to determine the best information among the first information and the second information.

S130. The receiving device sends the best information to the receiving terminal.

Specifically, the receiving device sends the best information to the receiving terminal, for example, the receiving terminal is an office network device, so that the shore-based staff can obtain the information sent by the ship's staff, and the ship's staff can also obtain the shore-based staff. The information sent is the best information among the first information and the second information, and the information quality is high. If the transmitted information is video, the video information with a clearer picture can be obtained, so as to ensure that the staff can obtain the information. To a clearer picture, and to transmit information through multiple links, it can ensure that the staff can obtain the information.

In the technical solution of this embodiment, when the ship needs to communicate with the shore base, the transmitting device transmits the same content through at least one first communication link and at least one second communication link respectively, and the receiving device transmits the same content through at least one first communication link and at least one second communication link respectively. The link receives the first information sent by the transmitting device, and receives the second information sent by the transmitting device through at least one second communication link, and the receiving device determines the best information among the first information and the second information, and then converts the The best information is sent to the receiving terminal, so that the shore-based staff can obtain the information sent by the ship's staff, and the ship's staff can also obtain the messages sent by the shore-based staff, and what is obtained is the first information and the first information. The best information in the second information, the information quality is high, which can ensure that the staff can obtain a clearer picture. The technical solution of the present embodiment solves the problem that when the existing ship and shore-based use satellite transmission, when the picture quality of a certain satellite transmission is poor, the satellite needs to be manually switched, and it cannot be guaranteed that the satellite transmission effect after switching is better. There is no guarantee that a picture with better picture quality can be received, which achieves the effect of ensuring that the staff can obtain a clearer picture.

Based on the foregoing technical solution, optionally, in S110, the receiving device receives the first information sent by the transmitting device through at least one first communication link, and receives the second information sent by the transmitting device through at least one second communication link include:

The receiving device receives the first information sent by the transmitting device through at least one first satellite and the Internet device, and receives the second information sent by the transmitting device through at least one second satellite and the satellite ground station.

Specifically, the first communication link includes, for example, at least one satellite and an Internet device, the receiving device can receive the first information sent by the transmitting device through the at least one first satellite and the Internet device, and the second communication link includes, for example, at least one second A satellite and a satellite ground station, the receiving device can receive the second information sent by the transmitting device through at least one second satellite and the satellite ground station. By setting different communication links for communication, when the signal of the satellite ground station is poor or faulty, and the quality of the second information received by the receiving device through the satellite ground station is poor, the receiving device can select the first information; In case of failure or failure, when the quality of the first information received by the receiving device through the Internet device is poor, the receiving device can select the second information, so as to ensure that the receiving device obtains the information and ensures that the receiving device can send the information to the receiving terminal. Thereby ensuring the communication between the ship and the shore base.

FIG. 2 is a flowchart of another satellite transmission control method provided according to an embodiment of the present invention. This embodiment is a further refinement of S120 in the above embodiment. Optionally, referring to FIG. 2, the satellite transmission control method includes:

S210. The receiving device receives the first information sent by the transmitting device through at least one first communication link, and receives the second information sent by the transmitting device through at least one second communication link; the first information and the second information are based on the transmitting device information sent by the same content.

S220. The receiving device acquires the first parameter of the first information, and acquires the second parameter of the second information.

Specifically, the receiving device obtains a first parameter of the first information, for example, the first parameter is a communication parameter of the first information, and the first parameter may include an information transmission rate, a packet loss rate, a transmission delay, a bit error rate, and a signal-to-noise ratio etc., the receiving device can obtain the second parameter of the second information, for example, the second parameter is the communication parameter of the second information, and the second parameter can include the information transmission rate, packet loss rate, transmission delay, bit error rate and signal-to-noise ratio Wait.

S230. The receiving device determines the best information among the first information and the second information according to the first parameter and the second parameter.

Specifically, the receiving device determines the best information among all the received first information and second information according to the first parameter and the second parameter, for example, the receiving device compares the first packet loss rate of the first information and the second information The second packet loss rate is compared. If the first packet loss rate is small, the first information is determined to be the best information. Other parameters can be determined, or a combination of multiple parameters can be compared to determine the best information among the first information and the second information.

S240. The receiving device sends the best information to the receiving terminal.

In the technical solution of this embodiment, by acquiring the first parameter of the first information and the second parameter of the second information, and by comparing the first parameter and the second parameter, the optimal one of the first information and the second information can be determined. information, so as to ensure that the staff receives a better picture quality.

Based on the above technical solution, optionally, in S220, the receiving device obtains the first parameter of the first information, and obtains the second parameter of the second information, including:

The receiving device acquires the first packet loss rate, the first transmission time, and the first video bandwidth corresponding to the first information, and acquires the second packet loss rate, the second transmission time, and the second video bandwidth corresponding to the second information.

Specifically, the receiving device may obtain the first packet loss rate, the first transmission time, and the first video bandwidth corresponding to the first information, and may also obtain the first bit error rate and the first signal-to-noise ratio corresponding to the first information; and , the receiving device can obtain the first packet loss rate, the second transmission time and the second video bandwidth corresponding to the second information, and can also obtain the second bit error rate and the second signal-to-noise ratio corresponding to the second information.

Optionally, in S230, the receiving device determines the best information among the first information and the second information according to the first parameter and the second parameter, including:

The receiving device compares the first packet loss rate with the second packet loss rate, compares the first transmission time with the second transmission time, and compares the first video bandwidth with the second video bandwidth to determine the first information and The best information among the second information.

Specifically, the receiving device may compare the first packet loss rate corresponding to the first information with the second packet loss rate corresponding to the second information, compare the first transmission time with the second transmission time, and compare the first video The bandwidth is compared with the bandwidth of the second video, so that the best information among the first information and the second information can be determined. Exemplarily, if the first packet loss rate is small, the first transmission time is small, and the first video bandwidth is large, it can be determined that the first information is the best information, so as to ensure that the staff receives images with better image quality. screen.

It should be noted that the priority of the parameters can be preset and compared according to the priority. For example, when the packet loss rate is set to the highest priority, when the first packet loss rate corresponding to the first information is small, but the first transmission time When it is larger, the first information is selected as the best information; if the transmission time is set as the highest priority, when the first packet loss rate corresponding to the first information is small, but the first transmission time is large, the second information is selected as the best information. The priority setting can be determined according to the actual situation, which is not limited here.

FIG. 3 is a flowchart of another satellite transmission control method provided according to an embodiment of the present invention. Optionally, referring to FIG. 3 , the satellite transmission control method includes:

S310. The receiving device receives the encrypted first information sent by the transmitting device through at least one first communication link, and receives the encrypted second information sent by the transmitting device through at least one second communication link.

Specifically, when the ship or shore base sends important task information, the information can be encrypted first, and the receiving device can receive the encrypted first information sent by the transmitting device through at least one first communication link, and communicate through at least one second communication link. The link receiving and transmitting device sends the encrypted second information to achieve the effect of confidentiality and avoid leakage of important information.

S320. The receiving device decrypts the encrypted first information and the encrypted second information.

Specifically, the receiving device decrypts the encrypted first information, can obtain the decrypted first information, and decrypts the encrypted second information, and can obtain the decrypted second information, which is convenient for combining the first information with the encrypted second information. The second information is compared to facilitate the determination of the best information.

S330. The receiving device determines the best information among the first information and the second information.

S340. The receiving device sends the best information to the receiving terminal.

In the technical solution of this embodiment, by encrypting the information, the receiving device can receive the encrypted first information sent by the transmitting device through at least one first communication link, and receive the encrypted first information sent by the transmitting device through at least one second communication link. After receiving the second information, the receiving device can decrypt the encrypted first information and the encrypted second information, so as to facilitate the comparison of the first information and the second information, to determine the best information, and to achieve confidentiality. to avoid the leakage of important information.

FIG. 4 is a schematic structural diagram of a satellite transmission control system provided according to an embodiment of the present invention. Referring to FIG. 4 , the satellite transmission control system includes a transmitting device 410 , at least one first communication link 420 , and at least one second communication link 430 and the receiving device 440; the receiving device 440 is communicatively connected to the transmitting device 410 through the first communication link 420 and the second communication link 430, and the receiving device 440 is configured to receive the first communication sent by the transmitting device 410 through at least one first communication link 420. information, and receive the second information sent by the transmitting device 410 through at least one second communication link 430; the receiving device 440 is also used to determine the best information among the first information and the second information; the receiving device 440 is also used to The best information is sent to the receiving terminal 450; wherein, the first information and the second information are information sent by the transmitting device 410 based on the same content.

Specifically, the transmitting device 410 is, for example, a communication device on a ship, and the receiving device 440 is, for example, a shore-based communication device. When the ship needs to communicate with the shore base, the transmitting terminal 460 sends the transmitting content to the transmitting device 410. The transmitting terminal 460 is, for example, an office network device, and the transmitting device 410 transmits the same content through at least one first communication link 420 and at least one The second communication link 430 transmits, the receiving device 440 receives the first information sent by the transmitting device 410 through at least one first communication link 420 , and receives the second information sent by the transmitting device 410 through at least one second communication link 430 , the first information and the second information are information sent by the transmitting device 410 based on the same content, but due to different information transmission links, the first information and the second information received by the receiving device 440 may be the same or different. The receiving device 440 compares the multiple pieces of first information with the multiple pieces of second information, and determines the best information among all the information received by the receiving device 440, thereby determining the best information among the first information and the second information. The receiving device 440 sends the best information to the receiving terminal 450, and the receiving terminal 450 is, for example, an office network device, so that the shore-based staff can obtain the information sent by the ship's staff, and the ship's staff can also obtain the shore-based staff. The information sent is the best information among the first information and the second information, and the information quality is high. If the transmitted information is video, the video information with a clearer picture can be obtained, so as to ensure that the staff can obtain the information. To a clearer picture, and to transmit information through multiple links, it can ensure that the staff can obtain the information.

FIG. 5 is a schematic structural diagram of another satellite transmission control system provided according to an embodiment of the present invention. Optionally, referring to FIG. 5, the first communication link 420 includes a first satellite 421 and an Internet device 422; the second communication link 430 includes a second satellite 431 and a satellite ground station 432 .

Specifically, the receiving device 440 can receive the first information sent by the transmitting device 410 through at least one first satellite 421 and the Internet device 422, and the receiving device 440 can receive the first information sent by the transmitting device 410 through at least one second satellite 431 and the satellite ground station 432. second information. By setting different communication links for communication, when the signal of the satellite ground station 432 is poor or faulty, and the quality of the second information received by the receiving device 440 through the satellite ground station 432 is poor, the receiving device 440 can select the first information; When the signal of the Internet device 422 is poor or faulty, and the quality of the first information received by the receiving device 440 through the Internet device 422 is poor, the receiving device 440 can select the second information, thereby ensuring that the receiving device 440 obtains the information, ensuring that The receiving device 440 may transmit information to the receiving terminal 450 to ensure communication between the ship and the shore base.

Optionally, referring to FIG. 5, the receiving device 440 includes at least one first channel 441 and at least one second channel 442, and the transmitting device 410 includes at least one third channel 411 and at least one fourth channel 412; the first channel 441 passes through the first channel 441. A network cable L1 is connected to the first end of the first communication link 420, the second end of the first communication link 420 is connected to the third channel 411 through the second network cable L2; the second channel 442 is connected to the second channel 411 through the third network cable L3 The first end of the communication link 430 is connected, and the second end of the second communication link 430 is connected to the fourth channel 412 through the fourth network cable L4.

Specifically, the receiving device 440 can receive the information of the first communication link 420 through the first channel 441 and the first network cable L1, and the transmitting device 410 can send information to the first communication link 420 through the third channel 411 and the second network cable L2 , so that the receiving device 440 receives the first information sent by the transmitting device 410 through the at least one first communication link 420 . The receiving device 440 can receive the information of the second communication link 430 through the second channel 442 and the third network cable L3, and the transmitting device 410 can send information to the second communication link 430 through the fourth channel 412 and the fourth network cable L4, so that The receiving device 440 receives the second information sent by the transmitting device 410 through the at least one second communication link 430 .

It should be noted that, FIG. 5 only shows the case where two first passages 441 and two third passages 411 are included, but it is not limited.

Optionally, referring to FIG. 5 , the receiving device 440 includes a communication module 443 and a control module 444; the communication module 443 is connected to the transmitting device 410 through at least one first communication link 420 and a second communication link 430, and the communication module 443 is used for The first information sent by the transmitting device 410 is received through at least one first communication link 420, and the second information sent by the transmitting device 410 is received through at least one second communication link 430; the communication module 443 is electrically connected to the control module 444, and controls the The module 444 is used to obtain the first parameter of the first information, and obtain the second parameter of the second information; the control module 444 is also used to determine the best information in the first information and the second information according to the first parameter and the second parameter .

Specifically, the communication module 443 can receive the first information sent by the transmitting device 410 through at least one first communication link 420, and can receive the second information sent by the transmitting device 410 through at least one second communication link 430. The control module 444 The first information and the second information of the communication module 443 can be obtained, and the first parameter of the first information and the second parameter of the second information can be obtained, so that the first information and the second information can be determined according to the first parameter and the second parameter. The best of information.

It should be understood that steps may be reordered, added or deleted using the various forms of flow shown above. For example, the steps described in the present invention can be performed in parallel, sequentially or in different orders, and as long as the desired results of the technical solutions of the present invention can be achieved, no limitation is imposed herein.

The above-mentioned specific embodiments do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may occur depending on design requirements and other factors. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A satellite transmission control method, comprising:

the receiving equipment receives first information sent by the transmitting equipment through at least one first communication link and receives second information sent by the transmitting equipment through at least one second communication link; the first information and the second information are information sent by the transmitting equipment based on the same content;

the receiving device determines the best information of the first information and the second information;

and the receiving equipment sends the optimal information to a receiving terminal.

2. The satellite transmission control method according to claim 1, wherein the receiving device receives the first information transmitted by the transmitting device through at least one first communication link, and receives the second information transmitted by the transmitting device through at least one second communication link includes:

the receiving device receives first information sent by the transmitting device through at least one first satellite and an internet device, and receives second information sent by the transmitting device through at least one second satellite and a satellite ground station.

3. The satellite transmission control method according to claim 1, wherein the receiving device determining the best information of the first information and the second information includes:

the receiving equipment acquires a first parameter of the first information and acquires a second parameter of the second information;

and the receiving equipment determines the best information in the first information and the second information according to the first parameter and the second parameter.

4. The satellite transmission control method according to claim 3, wherein the receiving device acquires a first parameter of the first information, and acquires a second parameter of the second information includes:

the receiving device acquires a first packet loss rate, a first transmission time and a first video bandwidth corresponding to the first information, and acquires a second packet loss rate, a second transmission time and a second video bandwidth corresponding to the second information;

the determining, by the receiving device, the best information of the first information and the second information according to the first parameter and the second parameter includes:

and the receiving equipment compares the first packet loss rate with the second packet loss rate, compares the first transmission time with the second transmission time, compares the first video bandwidth with the second video bandwidth, and determines the best information in the first information and the second information.

5. The satellite transmission control method according to claim 1,

the receiving device receives first information sent by the transmitting device through at least one first communication link, and receives second information sent by the transmitting device through at least one second communication link, wherein the receiving device comprises:

the receiving equipment receives the encrypted first information sent by the transmitting equipment through at least one first communication link, and receives the encrypted second information sent by the transmitting equipment through at least one second communication link;

before the receiving device determines the best information of the first information and the second information, the method further includes:

and the receiving equipment decrypts the encrypted first information and the encrypted second information.

6. The satellite transmission control method according to claim 1,

the receiving apparatus comprises a shore-based communication device, and the transmitting apparatus comprises a marine communication device;

alternatively, the receiving apparatus comprises a marine communication device and the transmitting apparatus comprises a shore-based communication device.

7. A satellite transmission control system comprising a transmitting device, at least one first communication link, at least one second communication link, and a receiving device;

the receiving device is in communication connection with the transmitting device through the first communication link and the second communication link, and the receiving device is used for receiving first information sent by the transmitting device through at least one first communication link and receiving second information sent by the transmitting device through at least one second communication link; the receiving device is further configured to determine the best information of the first information and the second information; the receiving equipment is also used for sending the optimal information to a receiving terminal;

wherein the first information and the second information are information transmitted by the transmitting device based on the same content.

8. The satellite transmission control system according to claim 7,

the first communication link includes a first satellite and an internet appliance;

the second communication link includes a second satellite and a satellite earth station.

9. The satellite transmission control system according to claim 7,

the receiving device comprises at least one first channel and at least one second channel, and the transmitting device comprises at least one third channel and at least one fourth channel;

the first channel is connected with a first end of the first communication link through a first network cable, and a second end of the first communication link is connected with the third channel through a second network cable;

the second channel is connected with the first end of the second communication link through a third network cable, and the second end of the second communication link is connected with the fourth channel through a fourth network cable.

10. The satellite transmission control system according to claim 7, wherein the reception device includes a communication module and a control module;

the communication module is connected with the transmitting device through at least one first communication link and at least one second communication link, and is used for receiving first information sent by the transmitting device through the at least one first communication link and receiving second information sent by the transmitting device through the at least one second communication link;

the communication module is electrically connected with the control module, and the control module is used for acquiring a first parameter of the first information and acquiring a second parameter of the second information; the control module is further configured to determine the best information of the first information and the second information according to the first parameter and the second parameter.

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