CN107318134B - Method for guaranteeing relay distance of ship wireless relay communication - Google Patents
Method for guaranteeing relay distance of ship wireless relay communication Download PDFInfo
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- CN107318134B CN107318134B CN201710598551.6A CN201710598551A CN107318134B CN 107318134 B CN107318134 B CN 107318134B CN 201710598551 A CN201710598551 A CN 201710598551A CN 107318134 B CN107318134 B CN 107318134B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/20—Negotiating bandwidth
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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
- H04W40/20—Communication route or path selection, e.g. power-based or shortest path routing based on geographic position or location
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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
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/265—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the quality of service QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
- H04W52/283—Power depending on the position of the mobile
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/46—TPC being performed in particular situations in multi hop networks, e.g. wireless relay networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a method for ensuring the relay distance of ship wireless relay communication, which judges and dynamically tracks the geographical position between relay points of the relay communication, drives the antenna of a wireless relay antenna servo system to point in real time, dynamically adjusts the transmitter power and channel bandwidth of relay communication equipment, and realizes the stable wireless relay of a remote ship and a ship. The method realized by the invention forms the frequency point, the transmitter power, the modulation bandwidth, the receiver sensitivity, the relay bandwidth and the like of the wireless relay communication equipment into a closed loop by accurately and dynamically tracking the antenna servo systems of the two parties of the relay ship, and dynamically adjusts the transmitter power and the modulation bandwidth, thereby achieving the purpose of ensuring the wireless relay communication distance of the sea surface ship and greatly improving the remote communication capability of the ship.
Description
Technical Field
The invention relates to the field of wireless communication, in particular to a communication method of a ship wireless relay.
Background
In the ship sailing process, the distance between a ship and the ship is always processed in the dynamic change process, so that the access bandwidth of ship communication is changed under the influence of the space environment. In order to ensure that the wireless communication of the ships is kept stable, the communication connection mode between the ships needs to be adjusted in a targeted manner.
For example, patent application 201210397265.0 discloses an offshore broadband wireless communication system, which can realize broadband wireless communication between moving vessels on the sea surface, and solve the problems of narrow communication bandwidth, short communication distance, unstable communication link (swaying of ship body) and the like when the existing communication system is used between vessels on the sea surface. The offshore broadband wireless communication system mainly comprises a set of central station and a plurality of sets of mobile stations, wherein the central station and the mobile stations are respectively installed on different ships, and the ship on which the central station is installed can communicate with any ship on which the mobile stations are installed. The central station and the mobile station have the same structure and comprise an antenna, an outdoor unit, an indoor unit and a network switch. In order to meet the requirements of long-distance and broadband transmission in a special environment on the sea surface, the transmitting frequency of an antenna in the system is in a frequency band of 430 MHz-860 MHz; in order to resist sea surface storm swing and ensure the stability of a communication link, the antenna in the system adopts an omnidirectional antenna integrating receiving and transmitting, and two antennas with the same performance form a V shape. The system also adopts the traditional wireless communication mode, and can not solve the problem that the base station is limited.
Disclosure of Invention
Aiming at the defects in the technology, the invention aims to provide a method for ensuring the wireless relay communication relay distance of a ship.
The invention also aims to provide a method for ensuring the relay distance of the wireless relay communication of the ship, which is simple and reliable to realize, has low cost and can greatly improve the remote communication capability of the ship.
To achieve the above object, the present invention is achieved as described above.
A method for ensuring the relay distance of ship wireless relay communication judges and dynamically tracks the geographical position between relay communication relay points, drives the antenna of a wireless relay antenna servo system to point in real time, dynamically adjusts the transmitter power and channel bandwidth of relay communication equipment, and realizes the stable wireless relay between a remote ship and a ship. The method realized by the invention forms the frequency point, the transmitter power, the modulation bandwidth, the receiver sensitivity, the relay bandwidth and the like of the wireless relay communication equipment into a closed loop by accurately and dynamically tracking the antenna servo systems of the two parties of the relay ship, and dynamically adjusts the transmitter power and the modulation bandwidth, thereby achieving the purpose of ensuring the wireless relay communication distance of the sea surface ship and greatly improving the remote communication capability of the ship.
According to the method, a ship double-antenna servo system is used as a wireless relay to improve the distance of ship-shore wireless communication, 1 pair of antennas of the double-antenna servo system is used for accessing a network, and the other pair of antennas is used for relaying. The out-of-band network management system distributes which antenna of the ship is used as the access antenna and which antenna is used as the relay antenna according to the position of the ship and the network access state of the ship. In order to effectively improve the distance of ship-shore communication, ship-shore wireless communication adopts directional communication. Aiming at the ship navigation characteristics, the out-of-band network management system collects the ship position in real time, calculates the distance between the ship wireless communication and the relay communication, effectively distributes the wireless communication pairing equipment of the access and the relay, and maintains the network connection of the ship wireless communication through the ship azimuth information collected in real time.
Specifically, the method for ensuring the relay distance of the ship wireless relay communication based on the GIS is realized by three steps: determining a ship station to be accessed and a ship relay station for wireless relay, and preparing for the wireless relay communication of the marine ship, and the second step: starting wireless relay directional connection for the paired ship station to be accessed and the ship relay station to realize ship wireless relay, and the third step: and the wireless communication distance and the network connection quality of the wireless relay are monitored, and the stable ship remote communication is ensured.
Further, the process of determining the pairing of the ship station to be accessed of the wireless relay and the ship relay station is as follows:
101. the method comprises the steps that an out-of-band network management system collects position information of a ship station in real time, and identifies the ship station which is not accessed into a network and an available relay ship station by monitoring the network connection state of the ship station;
102. the out-of-band network management system identifies the ship station which is not accessed into the network and the available relay ship station;
103. calculating the distance between the ship station to be accessed and the relay ship station;
104. the out-of-band network management system comprehensively analyzes the wireless device parameters such as the frequency point, the transmitter power, the modulation bandwidth, the receiver sensitivity and the like of the communication device to be accessed to the ship station and the relay station and the calculated distance of the relay wireless communication;
105. determining the pairing of the ship station to be accessed and the relay ship station;
106. and starting the ship relay directional connection.
Further, the implementation steps of starting the wireless relay directional connection between the paired ship station to be accessed and the relay ship station are as follows:
201. and after confirming the ship station to be accessed and the relay ship station for relaying by the out-of-band network management system, determining the communication frequency point and the communication modulation bandwidth of the ship station to be accessed and the relay ship station according to the frequency point and the bandwidth of the wireless communication around the pairing ship station.
202. And the out-of-band network management system compiles a wireless equipment control instruction according to the determined communication frequency point and the communication modulation bandwidth, and synchronously sends the wireless equipment control instruction to the ship station to be accessed and the relay ship station which are paired through the out-of-band network.
203. And after the ship station and the relay ship station which are accessed receive the wireless equipment control instruction sent by the out-of-band network manager, driving respective controllers to adjust the communication frequency point and the modulation bandwidth of the wireless equipment, and performing wireless relay communication connection again.
204. After determining the parameters of the communication frequency point and the communication modulation bandwidth, the out-of-band network management system synchronously calculates the antenna orientation of the paired ship station to be accessed and the relay ship station.
205. And the out-of-band network management system respectively compiles antenna pointing instructions of the ship station to be accessed and the relay ship station according to the calculated antenna pointing directions and sends the instructions to the ship station to be accessed and the relay ship station through an out-of-band network.
206. And after the ship station and the relay ship station are accessed to receive the antenna pointing instruction, driving respective servo systems to point the antenna in the direction of the instruction, and establishing the wireless relay communication of the ship.
207. And after the network management system sends an antenna pointing instruction, the wireless relay network connection condition of the ship station and the relay ship station to be accessed is monitored.
Furthermore, the realization steps of ensuring and monitoring the relay distance of the ship wireless relay communication are as follows:
301. the out-of-band network management system monitors the connection state of the relay in real time,
302. the method comprises the steps of collecting the position of a ship station in the ship wireless relay communication in real time, calculating the communication distance of the ship wireless relay in real time, and monitoring the communication bandwidth of a relay network in real time;
for the calculation of the communication distance, an out-of-band network management system is adopted according to a formula of free space loss of the transmission distance:
[Lfs](dB)＝32.44+20lgd(km)+20lgf(MHz)
where Lfs is the transmission loss, d is the transmission distance, f is the frequency, and the unit of frequency is calculated in MHz.
303. Judging whether the communication distance of the wireless relay can ensure the network connection quality of wireless communication;
and if the current ship wireless relay communication can ensure the network connection quality of the wireless communication, continuously monitoring the connection state of the relay network.
304. And if the out-of-band network management system identifies that the current ship wireless relay communication can not ensure the network connection quality of the wireless communication, determining whether the transmission power of the wireless equipment can be adjusted to ensure the wireless communication relay distance.
305. And if the transmission power of the wireless equipment can be adjusted to ensure the wireless communication relay distance, determining a numerical value for adjusting the transmission power, compiling a relay connection control instruction, driving a wireless equipment controller to adjust wireless communication parameters, and reestablishing wireless connection.
306. And if the wireless communication relay distance cannot be ensured by adjusting the transmitting power of the wireless equipment, determining whether the modulation bandwidth of the wireless equipment needs to be adjusted or not.
307. If the wireless relay distance can be ensured by adjusting the modulation bandwidth of the wireless device, the value of the modulation bandwidth of the wireless device is determined to need to be adjusted,
308. compiling a relay connection control instruction and synchronously sending the relay connection control instruction;
309. and the wireless equipment receives the control instruction, adjusts the wireless communication parameters and reestablishes the wireless connection.
Further, if the transmission power and the modulation bandwidth of the wireless equipment cannot guarantee the communication distance of the wireless relay, finding a new wireless relay ship station for the ship to be accessed and carrying out the wireless network relay communication of the ship.
The method realized by the invention forms the frequency point, the transmitter power, the modulation bandwidth, the receiver sensitivity, the relay bandwidth and the like of the wireless relay communication equipment into a closed loop by accurately and dynamically tracking the antenna servo systems of the two parties of the relay ship, and dynamically adjusts the transmitter power and the modulation bandwidth, thereby achieving the purpose of ensuring the wireless relay communication distance of the sea surface ship and greatly improving the remote communication capability of the ship.
Drawings
Fig. 1 is a schematic diagram of a method for ensuring a relay distance in wireless relay communication of a ship implemented by the invention.
Fig. 2 is a flowchart of a procedure for determining a ship wireless relay pairing implemented by the present invention.
Fig. 3 is a flow chart of wireless relay directional connection between the ship station to be accessed and the relay ship station which are paired according to the invention.
Fig. 4 is a flow chart of the monitoring of the wireless relay communication relay distance assurance of the ship implemented by the present invention.
Detailed Description
In order to more clearly describe the present invention, the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, the method for guaranteeing the relay distance of the wireless relay communication of the ship according to the present invention determines and dynamically tracks the geographical position between relay communication relay points, drives the antenna of the wireless relay antenna servo system to point in real time, dynamically adjusts the transmitter power and the channel bandwidth of the relay communication device, and realizes stable wireless relay between a remote ship and a ship.
As shown in fig. 1, the present invention utilizes a dual antenna servo system of a ship as a wireless relay to increase the distance of ship-shore wireless communication. The 1 pair of antennas of the dual antenna servo system is used for accessing the network, and the other pair of antennas is used for relaying. The out-of-band network management system distributes which antenna of the ship is used as the access antenna and which antenna is used as the relay antenna according to the position of the ship and the network access state of the ship. In order to effectively improve the distance of ship-shore communication, ship-shore wireless communication adopts directional communication. Aiming at the ship navigation characteristics, the out-of-band network management system collects the ship position in real time, calculates the distance between the ship wireless communication and the relay communication, effectively distributes the wireless communication pairing equipment of the access and the relay, and maintains the network connection of the ship wireless communication through the ship azimuth information collected in real time. The method monitors the network communication bandwidth of the ship wireless communication in real time, forms a closed loop by the frequency point, the transmitter power, the modulation bandwidth, the receiver sensitivity and the relay bandwidth of the wireless relay communication equipment, and dynamically adjusts the transmitter power and the modulation bandwidth to maintain the network connection of the high bandwidth of the ship wireless communication on the sea surface under the condition of ensuring a long distance.
Specifically, the method for ensuring the relay distance of the ship wireless relay communication based on the GIS is realized by three steps: determining a ship station to be accessed and a ship relay station for wireless relay, and preparing for the wireless relay communication of the marine ship, and the second step: starting wireless relay directional connection for the paired ship station to be accessed and the ship relay station to realize ship wireless relay, and the third step: and the wireless communication distance and the network connection quality of the wireless relay are monitored, and the stable ship remote communication is ensured.
The flow chart for determining the pairing of the ship station to be accessed of the wireless relay and the ship relay station is shown in fig. 2.
The method for determining the wireless relay pairing of the ship comprises the following steps:
1. the out-of-band network management system collects position information of the ship station in real time, and identifies the ship station which is not accessed into the network and identifies the available relay ship station by monitoring the network connection state of the ship station.
2. And the out-of-band network management system calculates the distance between the ship station which is not accessed into the network and the available relay ship station.
3. And the out-of-band network management system comprehensively analyzes the frequency point, the transmitter power, the modulation bandwidth, the receiver sensitivity and other wireless equipment parameters of the communication equipment to be accessed into the ship station and the relay station and the calculated distance of the relay wireless communication, and determines the ship station to be accessed and the relay station to be paired.
The implementation flow of the wireless relay directional connection for starting the paired ship station to be accessed and the relay ship station is shown in fig. 3.
The implementation steps of the wireless relay directional connection of the paired ship station to be accessed and the relay ship station are as follows:
1. and after confirming the ship station to be accessed and the relay ship station for relaying by the out-of-band network management system, determining the communication frequency point and the communication modulation bandwidth of the ship station to be accessed and the relay ship station according to the frequency point and the bandwidth of the wireless communication around the pairing ship station.
2. And the out-of-band network management system compiles a wireless equipment control instruction according to the determined communication frequency point and the communication modulation bandwidth, and synchronously sends the wireless equipment control instruction to the ship station to be accessed and the relay ship station which are paired through the out-of-band network.
3. And after the ship station and the relay ship station which are accessed receive the wireless equipment control instruction sent by the out-of-band network manager, driving respective controllers to adjust the communication frequency point and the modulation bandwidth of the wireless equipment, and performing wireless relay communication connection again.
4. After determining the parameters of the communication frequency point and the communication modulation bandwidth, the out-of-band network management system synchronously calculates the antenna orientation of the paired ship station to be accessed and the relay ship station.
5. And the out-of-band network management system respectively compiles antenna pointing instructions of the ship station to be accessed and the relay ship station according to the calculated antenna pointing directions and sends the instructions to the ship station to be accessed and the relay ship station through an out-of-band network.
6. And after the ship station and the relay ship station are accessed to receive the antenna pointing instruction, driving respective servo systems to point the antenna in the direction of the instruction, and establishing the wireless relay communication of the ship.
7. And after the network management system sends an antenna pointing instruction, the wireless relay network connection condition of the ship station and the relay ship station to be accessed is monitored.
The ship wireless relay communication relay distance guarantee monitoring flowchart is shown in fig. 4.
The monitoring implementation steps of the ship wireless relay communication relay distance guarantee are as follows:
the out-of-band network management system collects the position of the ship station in the ship wireless relay communication in real time, and calculates the communication distance of the ship wireless relay and the relay network communication bandwidth monitored in real time.
Calculating the communication distance by an out-of-band network management system according to a formula of free space loss of the transmission distance:
[Lfs](dB)＝32.44+20lgd(km)+20lgf(MHz)
where Lfs is the transmission loss, d is the transmission distance, f is the frequency, and the unit of frequency is calculated in MHz.
It is determined whether the communication distance of the wireless relay can guarantee the network connection quality of the wireless communication. And if the current ship wireless relay communication can ensure the network connection quality of the wireless communication, continuously monitoring the connection state of the relay network.
And if the out-of-band network management system identifies that the current ship wireless relay communication can not ensure the network connection quality of the wireless communication, determining whether the transmission power of the wireless equipment can be adjusted to ensure the wireless communication relay distance.
And if the transmission power of the wireless equipment can be adjusted to ensure the wireless communication relay distance, determining a numerical value for adjusting the transmission power, compiling a relay connection control instruction, driving a wireless equipment controller to adjust wireless communication parameters, and reestablishing wireless connection.
And if the wireless communication relay distance cannot be ensured by adjusting the transmitting power of the wireless equipment, determining whether the modulation bandwidth of the wireless equipment needs to be adjusted or not.
And if the wireless relay distance can be ensured by adjusting the modulation bandwidth of the wireless equipment, determining a numerical value of the modulation bandwidth of the wireless equipment to be adjusted, compiling a relay connection control instruction, and driving a wireless equipment controller to adjust wireless communication parameters.
And if the transmitting power and the modulation bandwidth of the wireless equipment can not ensure the communication distance of the wireless relay, searching a new wireless relay ship station for the ship to be accessed, and carrying out the wireless network relay communication of the ship.
The method realized by the invention forms the frequency point, the transmitter power, the modulation bandwidth, the receiver sensitivity, the relay bandwidth and the like of the wireless relay communication equipment into a closed loop by accurately and dynamically tracking the antenna servo systems of the two parties of the relay ship, and dynamically adjusts the transmitter power and the modulation bandwidth, thereby achieving the purpose of ensuring the wireless relay communication distance of the sea surface ship and greatly improving the remote communication capability of the ship.
The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (8)
1. A method for guaranteeing the relay distance of the wireless relay communication of a ship is characterized in that the method judges and dynamically tracks the geographical position between relay points of the wireless relay communication, drives the antenna of a wireless relay antenna servo system to point in real time, dynamically adjusts the transmitter power and the channel bandwidth of relay communication equipment, and realizes the stable wireless relay of a remote ship and the ship;
according to the method, a ship double-antenna servo system is used as a wireless relay to improve the distance of ship-shore wireless communication, 1 pair of antennas of the double-antenna servo system is used for accessing a network, and the other pair of antennas is used for relaying.
2. The method for ensuring the relay distance of the ship wireless relay communication according to claim 1, wherein the out-of-band network management system allocates the antenna according to the position of the ship and the network access state of the ship.
3. The method for ensuring the relay distance of the ship wireless relay communication according to claim 2, wherein the method is implemented in three steps, namely: determining a ship station to be accessed and a ship relay station for wireless relay, and preparing for the wireless relay communication of the marine ship, and the second step: starting wireless relay directional connection for the paired ship station to be accessed and the ship relay station to realize ship wireless relay, and the third step: and the wireless communication distance and the network connection quality of the wireless relay are monitored, and the stable ship remote communication is ensured.
4. The method for ensuring the relay distance of the ship wireless relay communication according to claim 3, wherein the procedure for determining the pairing of the ship station to be accessed of the wireless relay and the ship relay station is as follows:
101. the method comprises the steps that an out-of-band network management system collects position information of a ship station in real time, and identifies the ship station which is not accessed into a network and an available relay ship station by monitoring the network connection state of the ship station;
102. the out-of-band network management system identifies the ship station which is not accessed into the network and the available relay ship station;
103. calculating the distance between the ship station to be accessed and the relay ship station;
104. the out-of-band network management system comprehensively analyzes the wireless device parameters such as the frequency point, the transmitter power, the modulation bandwidth, the receiver sensitivity and the like of the communication device to be accessed to the ship station and the relay station and the calculated distance of the relay wireless communication;
105. determining the pairing of the ship station to be accessed and the relay ship station;
106. and starting the ship relay directional connection.
5. The method for ensuring the relay distance of the ship wireless relay communication according to claim 4, wherein the step of starting the wireless relay directional connection between the paired ship station to be accessed and the relay ship station is as follows:
201. after confirming the ship station to be accessed and the relay ship station for relaying, the out-of-band network management system determines the communication frequency point and the communication modulation bandwidth of the ship station to be accessed and the relay ship station according to the frequency point and the bandwidth of wireless communication around the pairing ship station;
202. the out-of-band network management system compiles a wireless equipment control instruction according to the determined communication frequency point and the communication modulation bandwidth, and synchronously sends the wireless equipment control instruction to the ship station to be accessed and the relay ship station which are matched through the out-of-band network;
203. after the ship station and the relay ship station are accessed to receive the wireless equipment control instruction sent by the out-of-band network manager, driving respective controllers to adjust the communication frequency point and the modulation bandwidth of the wireless equipment, and performing wireless relay communication connection again;
204. after determining parameters of a communication frequency point and a communication modulation bandwidth, the out-of-band network management system synchronously calculates the antenna orientation of the matched ship station to be accessed and the relay ship station;
205. the out-of-band network management system respectively compiles antenna pointing instructions of the ship station to be accessed and the relay ship station according to the calculated antenna pointing directions and sends the instructions to the ship station to be accessed and the relay ship station through an out-of-band network;
206. after the ship station and the relay ship station are accessed to receive the antenna pointing instruction, driving respective servo systems to point the antenna in the direction of the instruction, and establishing wireless relay communication of the ship;
207. and after the network management system sends an antenna pointing instruction, the wireless relay network connection condition of the ship station and the relay ship station to be accessed is monitored.
6. The method for guaranteeing the relay distance of the ship wireless relay communication according to claim 5, wherein the step of monitoring the relay distance of the ship wireless relay communication is as follows:
301. the out-of-band network management system monitors the connection state of the relay in real time,
302. the method comprises the steps of collecting the position of a ship station in the ship wireless relay communication in real time, calculating the communication distance of the ship wireless relay in real time, and monitoring the communication bandwidth of a relay network in real time;
303. judging whether the communication distance of the wireless relay can ensure the network connection quality of wireless communication;
if the current ship wireless relay communication can ensure the network connection quality of the wireless communication, continuously monitoring the connection state of the relay network;
304. if the out-of-band network management system identifies that the current ship wireless relay communication can not ensure the network connection quality of the wireless communication, determining whether the transmission power of the wireless equipment can be adjusted to ensure the wireless communication relay distance;
305. if the transmission power of the wireless equipment can be adjusted to ensure the relay distance of wireless communication, determining the value of the adjusted transmission power, compiling a relay connection control instruction, driving a wireless equipment controller to adjust wireless communication parameters, and reestablishing wireless connection;
306. if the transmission power of the wireless equipment cannot be adjusted to ensure the wireless communication relay distance, determining whether the modulation bandwidth of the wireless equipment needs to be adjusted to ensure the wireless communication relay distance;
307. if the wireless relay distance can be ensured by adjusting the modulation bandwidth of the wireless equipment, determining the value of the modulation bandwidth of the wireless equipment needing to be adjusted;
308. compiling a relay connection control instruction and synchronously sending the relay connection control instruction;
309. and the wireless equipment receives the control instruction, adjusts the wireless communication parameters and reestablishes the wireless connection.
7. The method according to claim 6, wherein in step 302, for the calculation of the communication distance, an out-of-band network management system is adopted according to a formula of free space loss of the transmission distance:
[Lfs](dB)＝32.44+20lgd(km)+20lgf(MHz)
where Lfs is the transmission loss, d is the transmission distance, f is the frequency, and the unit of frequency is calculated in MHz.
8. The method for ensuring the relay distance of the ship wireless relay communication according to claim 6, wherein if the communication distance of the wireless relay cannot be ensured by adjusting the transmission power and the modulation bandwidth of the wireless device, the ship wireless network relay communication is performed by searching a new wireless relay ship station for the ship to be accessed.
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| CN109683149A (en) * | 2018-12-14 | 2019-04-26 | 深圳市置辰海信科技有限公司 | Fusion realization of goal method is calculated by radar and AIS ship oceangoing ship blending algorithm |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192871A (en) * | 2006-11-22 | 2008-06-04 | 北京三星通信技术研究有限公司 | Power control method for reduction of interference between relay systems |
| JP2010081435A (en) * | 2008-09-26 | 2010-04-08 | Kyocera Corp | Relay station and wireless communication relay method |
| RU2432648C1 (en) * | 2010-08-10 | 2011-10-27 | Закрытое акционерное общество "Научно-производственная фирма Микран" | Method of positioning radio relay station antennae |
| CN104254076A (en) * | 2013-06-26 | 2014-12-31 | 上海无线通信研究中心 | System and method used for protecting primary system on authorized frequency spectrum from being interfered by mobile relay |
| CN105119650A (en) * | 2015-08-24 | 2015-12-02 | 杨珊珊 | Signal relay system based on unmanned aircraft, and signal relay method thereof |
| KR20160048576A (en) * | 2014-10-24 | 2016-05-04 | 한국전자통신연구원 | Apparatus for multi-hop relay maritime communication |
| KR101709685B1 (en) * | 2015-12-18 | 2017-02-24 | 제주한라대학교산학협력단 | Mobile communication relay service system and method for ship |
-
2017
- 2017-07-21 CN CN201710598551.6A patent/CN107318134B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192871A (en) * | 2006-11-22 | 2008-06-04 | 北京三星通信技术研究有限公司 | Power control method for reduction of interference between relay systems |
| JP2010081435A (en) * | 2008-09-26 | 2010-04-08 | Kyocera Corp | Relay station and wireless communication relay method |
| RU2432648C1 (en) * | 2010-08-10 | 2011-10-27 | Закрытое акционерное общество "Научно-производственная фирма Микран" | Method of positioning radio relay station antennae |
| CN104254076A (en) * | 2013-06-26 | 2014-12-31 | 上海无线通信研究中心 | System and method used for protecting primary system on authorized frequency spectrum from being interfered by mobile relay |
| KR20160048576A (en) * | 2014-10-24 | 2016-05-04 | 한국전자통신연구원 | Apparatus for multi-hop relay maritime communication |
| CN105119650A (en) * | 2015-08-24 | 2015-12-02 | 杨珊珊 | Signal relay system based on unmanned aircraft, and signal relay method thereof |
| KR101709685B1 (en) * | 2015-12-18 | 2017-02-24 | 제주한라대학교산학협력단 | Mobile communication relay service system and method for ship |
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