CN117768905A - Microwave communication method of offshore U-shaped network topological structure - Google Patents
Microwave communication method of offshore U-shaped network topological structure Download PDFInfo
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Abstract
The application relates to a microwave communication method of an offshore U-shaped network topology structure. The microwave communication method of the offshore U-shaped network topological structure comprises the following steps: s10, setting two land microwave communication stations and two offshore platform microwave communication stations, wherein communication links are connected through microwave communication equipment to form a U-shaped network topology; s20, the land microwave communication station sends signals to the offshore platform microwave communication station through the microwave communication equipment; the offshore platform microwave communication equipment is backed up to a land microwave communication site through satellite communication; s30, setting a firewall; s40, setting a standby power supply; s50, processing the data of the U-shaped network topological structure. The microwave communication method of the offshore U-shaped network topological structure has the advantage of stable and reliable transmission.
Description
Technical Field
The application relates to the technical field of offshore communication, in particular to a microwave communication method of an offshore U-shaped network topology structure.
Background
With the continuous development and wide application of offshore platforms, such as offshore oil fields, offshore wind farms, offshore scientific platforms, and the like, the demand for reliable and efficient communication systems is increasing. However, the special nature of the offshore environment presents a serious set of challenges for the design and operation of the communication system.
Offshore platform communication refers to communication between various types of offshore facilities and land. Such offshore platforms include offshore oil fields, wind farms, scientific research platforms, ships, buoys, and the like. Communication is critical on these platforms because it involves critical tasks for data transmission, emergency communication, monitoring and control. However, current offshore communications face a number of challenges, such as: offshore platforms are often subjected to severe weather conditions, such as strong winds, swells and storms, which can cause attenuation and interruption of the communication signals. But also electromagnetic interference sources such as lightning and radar systems. These may interfere with the communication signal, resulting in degradation of communication quality. The offshore platform is then typically located far from the land, with longer communication distances. Therefore, the communication system needs to be able to cover a wide sea area. Finally, offshore communication is often used for critical tasks such as emergency, secure communication and data transmission, so the communication system must be reliable.
The conventional communication system has obvious limitations and limitations on the offshore platform, and cannot meet the urgent demands for reliable and stable communication.
Disclosure of Invention
Based on this, the object of the present application is to provide a microwave communication method of an offshore U-shaped network topology, which has the advantage of stable and reliable transmission.
In one aspect of the present application, a microwave communication method of an offshore U-shaped network topology structure is provided, including the steps of:
s10, setting two land microwave communication stations and two offshore platform microwave communication stations, wherein communication links are connected through microwave communication equipment to form a U-shaped network topology;
s20, the land microwave communication station sends signals to the offshore platform microwave communication station through the microwave communication equipment; the offshore platform microwave communication equipment is backed up to a land microwave communication site through satellite communication;
s30, setting a firewall for data transmission between the land microwave communication site and the offshore platform microwave communication site;
s40, respectively setting standby power supplies at a land microwave communication station and an offshore platform microwave communication station;
s50, establishing an offshore platform communication module, and processing data of the U-shaped network topological structure through a packet switching mode.
Further, the offshore platform communication module comprises a power supply unit, a packet switching unit, a first service transmission unit, a first baseband processing unit, a first radio frequency conversion unit, a first antenna feed system, a second service transmission unit, a second baseband processing unit, a second radio frequency conversion unit and a second antenna feed system;
the output end of the power supply unit is connected with the input end of the packet switching unit;
the output end of the packet switching unit is respectively connected with the first service transmission unit and the second service transmission unit;
the first service transmission unit, the first baseband processing unit, the first radio frequency conversion unit and the first antenna feeder system are connected in sequence;
the second service transmission unit, the second baseband processing unit, the second radio frequency conversion unit and the second antenna feeder system are connected in sequence;
the offshore platform communication module is in wireless communication connection with a land network;
one offshore platform communication module is in wireless communication connection with the other offshore platform communication module.
Further, in a normal state, when the sea Liu Moxian microwave link works normally, the corresponding data flow direction is an offshore platform network, a packet switching unit, a first service transmission unit, a first baseband processing unit, a first radio frequency conversion unit, a first antenna feed system and a land network.
Further, in an abnormal state, when the microwave link of the sea Liu Moxian is interrupted, the corresponding data flow direction is the offshore platform network, one offshore platform communication module, the other offshore platform communication module or the land network.
Further, the data flow direction in the offshore platform communication module is as follows: the system comprises a first packet switching unit, a second service transmission unit, a second baseband processing unit, a second radio frequency conversion unit and a second antenna feed system;
the data flow direction in the other offshore platform communication module is as follows: the other second antenna feeder system, the second radio frequency conversion unit, the second baseband processing unit, the second service transmission unit, the packet switching unit, the other offshore platform network, the first service transmission unit, the first baseband processing unit, the first radio frequency conversion unit, the first antenna feeder system and the land network.
Further, in step S50, the packet switching mode includes:
s51, setting a link of a packet switching unit and a first service transmission unit or a link of a packet switching unit and a second service transmission unit, and selecting one from the two;
s52, under the normal power supply condition, closing the links of the packet switching unit and the second service transmission unit;
and S53, under the normal transmission condition, closing the links of the packet switching unit and the second service transmission unit.
Further, in step S50, the packet switching mode further includes:
s54, collecting the wireless microwave link state information of the link from the packet switching unit and the first service transmission unit in real time;
and collecting the wireless microwave link state information of the link from the packet switching unit and the second service transmission unit in real time.
Further, in step S50, the packet switching mode further includes:
s55, when the links of the packet switching unit and the first service transmission unit are interrupted, the interruption information is acquired, the links are switched to the links of the packet switching unit and the second service transmission unit, and the links of the packet switching unit and the first service transmission unit are closed.
Further, in step S50, the packet switching mode further includes:
s56, when one offshore platform communication module is interrupted with the land network, transmitting the data of the offshore platform communication module to the other offshore platform communication module, and combining the data of the two offshore platform communication modules and transmitting the combined data to the land network.
Further, in step S50, the packet switching mode further includes:
s57, when the links of the packet switching unit and the first service transmission unit are recovered to be normal, the packet switching unit acquires the signal and reports the signal, enables the links of the packet switching unit and the first service transmission unit, and closes the links of the packet switching unit and the second service transmission unit.
The microwave communication method of the offshore U-shaped network topological structure has the advantages that:
1) The method adopts the microwave communication technology, has the characteristics of wide frequency band, high transmission speed, strong anti-interference capability and the like, and is suitable for offshore platform communication.
2) And the stability and reliability of communication are ensured by adopting the U-shaped network topology.
3) And the digital signal processing technology is adopted, so that high-speed data transmission, video transmission and other applications can be realized.
4) And the satellite communication technology is adopted for backup, so that the continuity and stability of communication are ensured.
5) And the encryption communication technology is adopted, so that the safety of communication is ensured.
6) And a standby power supply is arranged, so that the reliability of communication is ensured.
7) The implementation of the invention can effectively solve the difficulties and challenges existing in offshore platform communication, and has wide application prospect.
For a better understanding and implementation, the present application is described in detail below with reference to the drawings.
Drawings
Fig. 1 is a flowchart of a microwave communication method of an offshore U-shaped network topology according to an exemplary embodiment of the present application;
fig. 2 is a flow chart of an exemplary packet switched mode of the present application.
Detailed Description
In the description of the present application, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
Referring to fig. 1 and 2, an exemplary microwave communication method of an offshore U-shaped network topology structure of the present application includes the steps of:
s10, setting two land microwave communication stations and two offshore platform microwave communication stations, wherein communication links are connected through microwave communication equipment to form a U-shaped network topology;
s20, the land microwave communication station sends signals to the offshore platform microwave communication station through the microwave communication equipment; the offshore platform microwave communication equipment is backed up to a land microwave communication site through satellite communication;
s30, setting a firewall for data transmission between the land microwave communication site and the offshore platform microwave communication site;
s40, respectively setting standby power supplies at a land microwave communication station and an offshore platform microwave communication station;
s50, establishing an offshore platform communication module, and processing data of the U-shaped network topological structure through a packet switching mode.
In some preferred embodiments, the two terrestrial microwave communications sites are each located on a mountain.
In some preferred embodiments, the offshore platform communication module includes a power supply unit, a packet switching unit, a first service transmission unit, a first baseband processing unit, a first radio frequency conversion unit, a first antenna feeder system, a second service transmission unit, a second baseband processing unit, a second radio frequency conversion unit, and a second antenna feeder system;
the output end of the power supply unit is connected with the input end of the packet switching unit;
the output end of the packet switching unit is respectively connected with the first service transmission unit and the second service transmission unit;
the first service transmission unit, the first baseband processing unit, the first radio frequency conversion unit and the first antenna feeder system are connected in sequence;
the second service transmission unit, the second baseband processing unit, the second radio frequency conversion unit and the second antenna feeder system are connected in sequence;
the offshore platform communication module is in wireless communication connection with a land network;
one offshore platform communication module is in wireless communication connection with the other offshore platform communication module.
In some preferred embodiments, in a normal state, when the sea Liu Moxian microwave link works normally, the corresponding data flow direction is an offshore platform network, a packet switching unit, a first service transmission unit, a first baseband processing unit, a first radio frequency conversion unit, a first antenna feed system, and a land network.
In some preferred embodiments, in an abnormal state, when the sea Liu Moxian microwave link is interrupted, the corresponding data flow direction is the offshore platform network, one of the offshore platform communication modules, the other offshore platform communication module, or the land network.
In some preferred embodiments, the data flow direction within one of the offshore platform communication modules is: the system comprises a first packet switching unit, a second service transmission unit, a second baseband processing unit, a second radio frequency conversion unit and a second antenna feed system;
the data flow direction in the other offshore platform communication module is as follows: the other second antenna feeder system, the second radio frequency conversion unit, the second baseband processing unit, the second service transmission unit, the packet switching unit, the other offshore platform network, the first service transmission unit, the first baseband processing unit, the first radio frequency conversion unit, the first antenna feeder system and the land network.
In some preferred embodiments, in step S50, the packet switching mode includes:
s51, setting a link of a packet switching unit and a first service transmission unit or a link of a packet switching unit and a second service transmission unit, and selecting one from the two;
s52, under the normal power supply condition, closing the links of the packet switching unit and the second service transmission unit;
and S53, under the normal transmission condition, closing the links of the packet switching unit and the second service transmission unit.
In some preferred embodiments, in step S50, the packet switching mode further includes:
s54, collecting the wireless microwave link state information of the link from the packet switching unit and the first service transmission unit in real time;
and collecting the wireless microwave link state information of the link from the packet switching unit and the second service transmission unit in real time.
In some preferred embodiments, in step S50, the packet switching mode further includes:
s55, when the links of the packet switching unit and the first service transmission unit are interrupted, the interruption information is acquired, the links are switched to the links of the packet switching unit and the second service transmission unit, and the links of the packet switching unit and the first service transmission unit are closed.
In some preferred embodiments, in step S50, the packet switching mode further includes:
s56, when one offshore platform communication module is interrupted with the land network, transmitting the data of the offshore platform communication module to the other offshore platform communication module, and combining the data of the two offshore platform communication modules and transmitting the combined data to the land network.
In some preferred embodiments, in step S50, the packet switching mode further includes:
s57, when the links of the packet switching unit and the first service transmission unit are recovered to be normal, the packet switching unit acquires the signal and reports the signal, enables the links of the packet switching unit and the first service transmission unit, and closes the links of the packet switching unit and the second service transmission unit.
In combination with the flow chart of the data flow direction shown in fig. 2, the name shown in the drawing has a comparison relation with the name of the application, wherein the first service transmission unit is a service transmission unit (main direction) in the application, the serial number (3) in the drawing is a baseband processing unit (main direction) in the application, the serial number (4) in the drawing is a radio frequency conversion unit (main direction) in the application, the serial number (5) in the drawing is a antenna feed system (main direction) in the application, the serial number (6) in the drawing is a service transmission unit (relay direction) in the application, the serial number (7) in the drawing is a baseband processing unit (relay direction) in the application, the serial number (8) in the drawing is a radio frequency conversion unit (relay direction) in the application, the serial number (9) in the drawing and the relay system in the second day are the antenna feed directions in the application.
The flow of packet-switched mode is illustrated below:
1. normal data flow direction.
Taking offshore platform a as an example: sea Liu Moxian microwave links are normal, offshore platform a network- (2) - (3) - (4) - (5) - (6) -land network.
2. Abnormal data flow direction.
Taking offshore platform a as an example: when the sea Liu Moxian microwave link is interrupted, (offshore platform a network- (2) - (7) - (8) - (9) -pi) - (pi- (9) - (8) - (7) - (2) -offshore platform B network- (3) - (4) - (5) - (6)) -land network.
3. A switching mechanism.
(1) The packet switching unit alternatively enables connections (2) - (3) or (2) - (7).
(2) Under normal power supply conditions, the relay direction link remains in an enabled state, i.e., physical wireless communication is maintained all the time, and only the data transmissions (2) - (7) are turned off.
(3) Under normal transmission conditions, the offshore platform A and the offshore platform B respectively use own main direction links to transmit data to the land network, and the IDU end only enables the connection of (2) - (3) and closes the connection of the relay directions (2) - (7).
(4) The packet switching unit collects the wireless microwave link state information of the main direction and the relay direction in real time.
(5) When the main direction of the offshore platform A is interrupted by Liu Lianlu, the packet switching unit acquires the reporting state information as the main direction link is interrupted, and then switches the connection to (2) - (7), and closes the connection of (2) - (3).
(6) The main direction of the sea-land transmission network at the offshore platform A end is in an interrupted state, the offshore platform A end network is transmitted to the offshore platform B end network through the local end relay direction, and the combined main direction of the offshore platform B end is transmitted to the land network through the sea-land link.
(7) When the main direction sea-land link of the offshore platform A is recovered, the packet switching unit acquires the reported state information as the main direction link recovery, and then switches the connection to (2) - (3), and closes the connection of (2) - (7).
The microwave communication method of the offshore U-shaped network topological structure has the following principle and effect:
1) And the land end double points form a double-link U-shaped network structure for communication, so that single-point failure risks of links are dispersed.
2) Redundant backups of communication links between offshore platforms and microwave communication sites use data load balancing techniques. The technology is based on a link data transmission layer combining technology, and two microwave links in different directions are constructed through one packet switching unit, so that the problem of load balancing when the real-time service data flow exceeds the capacity of a single microwave link is solved.
3) The microwave communication equipment adopts a digital signal processing technology, realizes the construction of a sea Liu Moxian microwave link based on a point-to-point microwave communication technology, and can allocate bandwidth according to actual downlink traffic based on a self-adaptive dynamic bandwidth allocation technology.
4) Both microwave communication sites are master stations, and the calculation formula of the distance-of-sight microwave transmission limit distance is calculated according to the calculation formula
5) The microwave communication method of the offshore U-shaped network topological structure adopts a redundant backup communication link when the single-chain network is interrupted, and the system can be rapidly switched to the backup link when the main link is interrupted. Even if one link is broken, data transmission can still be performed through the backup link without causing network interruption.
6) The application also adopts the intelligent management of the packet switching unit to ensure the load balance of each link. When the connection is interrupted, the method can monitor the link state in real time and make corresponding switching decisions. This ensures high efficiency and reliability of data transmission. And a protection switching mechanism is introduced, which can be switched to the backup link quickly to avoid network interruption caused by instability of the single link. The mechanism can trigger switching in millisecond level, and the network information packet loss rate is greatly reduced.
7) The offshore U-shaped network topology structure judges network interruption in real time through monitoring of connectivity, signal quality and network state, and adopts an automatic switching strategy to rapidly start a standby communication network so as to ensure continuity and stability of communication. This includes predefined network switching policies, fault recovery policies, and supervisory channels with the core network, enabling the offshore platform to react quickly when network problems occur.
8) The method adopts the microwave communication technology, has the characteristics of wide frequency band, high transmission speed, strong anti-interference capability and the like, and is suitable for offshore platform communication.
9) And the stability and reliability of communication are ensured by adopting the U-shaped network topology.
10 By adopting digital signal processing technology, high-speed data transmission, video transmission and other applications can be realized.
11 And the satellite communication technology is adopted for backup, so that the continuity and stability of communication are ensured.
12 Encryption communication technology is adopted, so that the safety of communication is ensured.
13 A standby power supply is arranged, so that the reliability of communication is ensured.
14 The implementation of the invention can effectively solve the difficulties and challenges existing in offshore platform communication, and has wide application prospect.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application.
Claims (10)
1. The microwave communication method of the offshore U-shaped network topological structure is characterized by comprising the following steps of:
s10, setting U-shaped network topology; setting two land microwave communication stations and two offshore platform microwave communication stations, wherein communication links are connected through microwave communication equipment to form a U-shaped network topology;
s20, establishing a network topology communication link; the land microwave communication station sends signals to the offshore platform microwave communication station through the microwave communication equipment; the offshore platform microwave communication equipment is backed up to a land microwave communication site through satellite communication;
s30, setting a firewall; setting a firewall for data transmission between a land microwave communication station and an offshore platform microwave communication station;
s40, setting a standby power supply; standby power supplies are respectively arranged at a land microwave communication station and an offshore platform microwave communication station;
s50, establishing packet switching; and establishing an offshore platform communication module, and processing the data of the U-shaped network topological structure through a packet switching mode.
2. The method for microwave communication in an offshore U-network topology according to claim 1, wherein: the offshore platform communication module comprises a power supply unit, a packet switching unit, a first service transmission unit, a first baseband processing unit, a first radio frequency conversion unit, a first antenna feed system, a second service transmission unit, a second baseband processing unit, a second radio frequency conversion unit and a second antenna feed system;
the output end of the power supply unit is connected with the input end of the packet switching unit;
the output end of the packet switching unit is respectively connected with the first service transmission unit and the second service transmission unit;
the first service transmission unit, the first baseband processing unit, the first radio frequency conversion unit and the first antenna feeder system are connected in sequence;
the second service transmission unit, the second baseband processing unit, the second radio frequency conversion unit and the second antenna feeder system are connected in sequence;
the offshore platform communication module is in wireless communication connection with a land network;
one offshore platform communication module is in wireless communication connection with the other offshore platform communication module.
3. The method for microwave communication in an offshore U-network topology according to claim 2, wherein: in a normal state, when the sea Liu Moxian microwave link works normally, the corresponding data flow direction is an offshore platform network, a packet switching unit, a first service transmission unit, a first baseband processing unit, a first radio frequency conversion unit, a first antenna feed system and a land network.
4. The method for microwave communication in an offshore U-network topology according to claim 2, wherein: in an abnormal state, when the microwave link of the sea Liu Moxian is interrupted, the corresponding data flow direction is the offshore platform network, one offshore platform communication module, the other offshore platform communication module or the land network.
5. The method for microwave communication in an offshore U-network topology of claim 4, wherein: the data flow direction in one of the offshore platform communication modules is as follows: the system comprises a first packet switching unit, a second service transmission unit, a second baseband processing unit, a second radio frequency conversion unit and a second antenna feed system;
the data flow direction in the other offshore platform communication module is as follows: the other second antenna feeder system, the second radio frequency conversion unit, the second baseband processing unit, the second service transmission unit, the packet switching unit, the other offshore platform network, the first service transmission unit, the first baseband processing unit, the first radio frequency conversion unit, the first antenna feeder system and the land network.
6. The method for microwave communication in an offshore U-network topology according to claim 4, wherein in step S50, the packet-switched mode comprises:
s51, setting a link of a packet switching unit and a first service transmission unit or a link of a packet switching unit and a second service transmission unit, and selecting one from the two;
s52, under the normal power supply condition, closing the links of the packet switching unit and the second service transmission unit;
and S53, under the normal transmission condition, closing the links of the packet switching unit and the second service transmission unit.
7. The method for microwave communication in an offshore U-network topology according to claim 6, wherein in step S50, the packet-switched mode further comprises:
s54, collecting the wireless microwave link state information of the link from the packet switching unit and the first service transmission unit in real time;
and collecting the wireless microwave link state information of the link from the packet switching unit and the second service transmission unit in real time.
8. The method for microwave communication in an offshore U-network topology according to claim 6, wherein in step S50, the packet-switched mode further comprises:
s55, when the links of the packet switching unit and the first service transmission unit are interrupted, the interruption information is acquired, the links are switched to the links of the packet switching unit and the second service transmission unit, and the links of the packet switching unit and the first service transmission unit are closed.
9. The method for microwave communication in an offshore U-network topology according to claim 6, wherein in step S50, the packet-switched mode further comprises:
s56, when one offshore platform communication module is interrupted with the land network, transmitting the data of the offshore platform communication module to the other offshore platform communication module, and combining the data of the two offshore platform communication modules and transmitting the combined data to the land network.
10. The method for microwave communication in an offshore U-network topology according to claim 6, wherein in step S50, the packet-switched mode further comprises:
s57, when the links of the packet switching unit and the first service transmission unit are recovered to be normal, the packet switching unit acquires the signal and reports the signal, enables the links of the packet switching unit and the first service transmission unit, and closes the links of the packet switching unit and the second service transmission unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311783878.2A CN117768905A (en) | 2023-12-22 | 2023-12-22 | Microwave communication method of offshore U-shaped network topological structure |
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| CN202311783878.2A CN117768905A (en) | 2023-12-22 | 2023-12-22 | Microwave communication method of offshore U-shaped network topological structure |
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