CN109245824A - Overocean communications system based on Lifi technology - Google Patents
Overocean communications system based on Lifi technology Download PDFInfo
- Publication number
- CN109245824A CN109245824A CN201811392031.0A CN201811392031A CN109245824A CN 109245824 A CN109245824 A CN 109245824A CN 201811392031 A CN201811392031 A CN 201811392031A CN 109245824 A CN109245824 A CN 109245824A
- Authority
- CN
- China
- Prior art keywords
- signal
- boat
- bank base
- carrying
- receiving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005516 engineering process Methods 0.000 title claims abstract description 37
- 238000004891 communication Methods 0.000 title claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 67
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000003032 molecular docking Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims description 3
- 238000002372 labelling Methods 0.000 claims description 2
- 230000006855 networking Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 5
- 230000008054 signal transmission Effects 0.000 description 3
- 239000003653 coastal water Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
This case is related to the overocean communications system based on Lifi technology, including boat-carrying signal system and bank base signal source system；The boat-carrying signal system includes pedestal, GPS positioning device, boat-carrying signal alignment device, boat-carrying signal receiving/transmission device；The bank base signal source system includes bank base, bank base signal alignment device, request signal reception device, bank base signal receiving/transmission device；After bank base signal alignment device of the invention receives request signal, request signal is authenticated, after certification, the orientation of boat-carrying signal receiving/transmission device is calculated according to request signal for request signal reception device, adjustment bank base signal alignment device makes bank base signal receiving/transmission device be directed at boat-carrying signal receiving/transmission device, and down link signal is issued to boat-carrying signal receiving/transmission device, after boat-carrying signal receiving/transmission device receives down link signal, uplink signal is issued to bank base signal receiving/transmission device, after docking successfully, the networking of remote high speed, safety can be realized.
Description
Technical field
The invention belongs to overocean communications fields, and in particular to a kind of overocean communications system based on Lifi technology.
Background technique
Since man invented satellite, satellite communication just occur with the life of the mankind it is inseparable contact, such as satellite
TV, satellite broadcasting, satellite phone etc..Satellite communication is realized by synchronous satellite forwarding capability, and floor portion mouth is defended to synchronizing
Star emits relevant audio-video signal, this signal is descended acoustic vision signal, signal institute by synchronous satellite according to a certain direction
Capped region all can receive signal by satellite receiving equipment, watch program: in modern waterborne commerce, once ship offshore,
Just it can only be contacted by satellite communication and the external world, therefore, marine satellite antenna is almost the standard configuration of all blue-water shippings,
The shortcomings that marine satellite antenna is that satellite TV signal just can not be received when offshore is remote, can be surfed the Internet by satellite-signal,
But network speed is extremely slow, and expensive, and the another crewman at sea to travel for a long time is difficult to normally be contacted with land,
Currently, ship-to-shore wireless communication bank station may be implemented the wireless network connection with coastal waters ship, but the problem is that
Network signal receives the problems such as network signal is poor, safety is low when distance is close, the network speed upper limit is low, distance is slightly remote.
Lifi, i.e. visible light communication technology are the wireless transmission protocols with optical signal, are that a kind of confidentiality is more preferable, transmission
Faster wireless network is become using the imperceptible high speed light and shade flash signal of the naked eyes of the sending of light source according to instantaneous light intensity
Change to transmit information.
The wire device of high-speed Internet is connected on lighting device, insertion attaching plug can be used.Using this
The system that technology is made into can cover the range that indoor light reaches, and computer does not need electric wire connection, thus has and widely open
Hair prospect.But because of its fatal disadvantage --- wall can not be passed through, lags far behind current popular so as to cause its research
WIFI Radio Transmission Technology.
But on wide ocean, in addition to can almost be influenced without any again because of limited view caused by earth curvature
Light propagate object, therefore, it is seen that value of the optical communication technique on overocean communications is highly studied, also, now with
Be in ocean people it is increasing for the demand of flow, LIFI is likely to become our better choices in the future.
Summary of the invention
The object of the present invention is to provide it is a kind of can distant signal transmission overocean communications system.
It is a further object to provide a kind of ocean based on Lifi technology of achievable high speed network connection is logical
Letter system.
In order to solve the above-mentioned technical problem, the invention discloses a kind of overocean communications systems based on Lifi technology, including
Boat-carrying signal system and bank base signal source system；
The boat-carrying signal system includes the pedestal for being fixed on hull, the GPS positioning device being mounted on the base, is installed on pedestal
The boat-carrying signal alignment device on top, and the boat-carrying signal based on Lifi technology being installed on boat-carrying signal alignment device are received
Transmitting apparatus；
The bank base signal source system includes bank base, the bank base signal alignment device for being mounted on bank base top, is fixed on bank base top
The request signal reception device in portion, and the bank base signal transmitting and receiving based on Lifi technology being mounted on bank base signal alignment device
Device.
Preferably, the bank base signal alignment device and bank base signal receiving/transmission device have more sets, can simultaneously to more not
Ship with orientation provides high speed network service；The bank base signal system include be arranged along the coastline it is multiple.
Preferably, the boat-carrying signal receiving/transmission device and bank base signal receiving/transmission device are using laser as signal vehicle, base
In the signal device of Lifi technology.
Preferably, the bank base includes being set up in the signal tower of higher topographical coastal region.
Preferably, the height above sea level of the bank base signal receiving/transmission device installation is not less than 200m.
Preferably, the height above sea level of the boat-carrying signal receiving/transmission device installation is not less than 5m.
Preferably, the signal range of receiving of the request signal reception device is not less than 180 °.
It preferably, further include the electronic map being pre-installed in boat-carrying signal alignment device；The bank base signal source system
High precision position information labeling in the electronic map.
Preferably, the operating procedure of the overocean communications system based on Lifi technology are as follows:
S1) boat-carrying signal alignment device obtains itself from GPS positioning device and is accurately positioned, and near searching in electronic map
Boat-carrying signal transmitting and receiving dress is calculated according to distance between the two, orientation, depth displacement in the exact position of bank base signal source system
Required adjustment orientation is set, after boat-carrying signal receiving/transmission device adjusts, issues request signal, institute to request signal reception device
The information content for stating request signal includes the catchword of ship, name of vessel, MMSI, GPS coordinate, boat-carrying signal receiving/transmission device and GPS fixed
The deviation value of position device；
S2 after) request signal reception device receives request signal, request signal is authenticated, after certification, request signal
The orientation of boat-carrying signal receiving/transmission device is calculated according to request signal for reception device, and adjusts bank base signal alignment device and make bank
Base signal receiving/transmission device is directed at boat-carrying signal receiving/transmission device, and issues down link signal to boat-carrying signal receiving/transmission device.
S3 after) boat-carrying signal receiving/transmission device receives down link signal, uplink is issued to bank base signal receiving/transmission device
Signal after docking successfully, can network.
S4) the GPS information of boat-carrying signal receiving/transmission device Real-time Feedback ship, bank base signal alignment device is according to ship running
Direction and speed, simulate ship movement rate, control bank base signal alignment device rotation, the orientation of boat-carrying signal receiving/transmission device
Corresponding adjustment is made in movement also with ship, makes bank base signal receiving/transmission device face boat-carrying signal receiving/transmission device always.
S5 it) when the range that ship's navigation position is covered beyond current bank base signal source system, is sought according to above-mentioned steps
New bank base signal source system is looked for connect.
Preferably, request signal transmitted by the boat-carrying signal receiving/transmission device, is incident upon request signal reception device
On drop point site error be not more than 10cm.
Overocean communications system based on Lifi technology of the invention, has the advantage that
1. ship still can be in offshore dozens of kilometres using the high transmission speed and laser good directive property of Lifi technology
Signal source on the bank is wirelessly connected, and ship is made still can to enjoy the network of high speed when far from seashore.
2. using laser as the carrier of network signal, the good directive property of laser greatly reduces its wireless signal and is robbed
The probability held and invaded, safety greatly improve.
3. large stretch of greater coasting area is covered by the way that multiple bank base signal source systems are arranged, it is many for ship on the way, especially passenger
More pleasure-boat, passenger steamer etc. provide high quality, continual network service.
4. making boat-carrying signal system and bank base signal by the multiple bank base signal source systems of precise marking in electronic map
Source system is able to achieve rapid docking, the time required to reducing signal search.
5. reducing horizontal limitation by the height for improving boat-carrying signal system and bank base signal source system as far as possible, making
Overocean communications system signal transmission range based on Lifi technology is remote as far as possible.
6. making boat-carrying signal system and bank base by the automatic tracing between boat-carrying signal system and bank base signal source system
Optical signal connection between signal source system keeps stablizing.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of overocean communications system based on Lifi technology.
Specific embodiment
Below by embodiment, the present invention is described in further detail, to enable those skilled in the art referring to specification
Text can be implemented accordingly.
Such as " have " it should be appreciated that used herein, "comprising" and " comprising " term are not precluded one or more
The presence or addition of a other elements or combinations thereof.
Embodiment 1
As shown in Figure 1, a kind of overocean communications system based on Lifi technology, including boat-carrying signal system and bank base signal source system
System；
The boat-carrying signal system includes the pedestal 1 for being fixed on hull, the GPS positioning device 10 being mounted on the base, is installed on
The boat-carrying signal alignment device 2 on pedestal top, and the boat-carrying based on Lifi technology being installed on boat-carrying signal alignment device
Signal receiving/transmission device 3；
The bank base signal source system includes bank base 4, the bank base signal alignment device 5 for being mounted on bank base top, is fixed on bank base
The request signal reception device 6 at top, and the bank base signal based on Lifi technology being mounted on bank base signal alignment device
R-T unit 7.
The bank base signal alignment device 5 and bank base signal receiving/transmission device 7 have more sets, can be simultaneously to more different directions
Ship provides high speed network service；The bank base signal system include be arranged along the coastline it is multiple.Each bank base signal transmitting and receiving
Device can carry out one-to-one network connection from different ships respectively, while provide network service.
Boat-carrying signal receiving/transmission device 3 and bank base signal receiving/transmission device 7 are using laser as signal vehicle, based on Lifi technology
Signal device.Even if the low discreteness and high brightness of laser make it remain to lower light loss in bad weather, guarantee good
Network communication quality.
The bank base 4 includes being set up in the signal tower of higher topographical coastal region.Signal tower by bank base signal alignment device,
Request signal reception device and bank base signal receiving/transmission device, which are stablized, to be fixed, it is ensured that boat-carrying signal receiving/transmission device can be quasi- when sending signal
Really send.
The height above sea level that the bank base signal receiving/transmission device 7 is installed is not less than 200m.
The height above sea level that the boat-carrying signal receiving/transmission device 3 is installed is not less than 5m.Due to horizontal limitation, people stands in sea
The side visual field only has several kilometers, therefore needs to make bank base signal receiving/transmission device and boat-carrying signal receiving/transmission device mounting height as far as possible
Greatly, to increase the distance of optical signal transmission.
The signal range of receiving of the request signal reception device 6 is not less than 180 °.The request signal of ship may be from
The all angles of ocean, it is therefore desirable to which the signal range of receiving of signal receiving device is big as far as possible；Request signal reception device
Light intensity by receiving and parsing through request signal changes, to interpret information therein.
It further include the electronic map being pre-installed in boat-carrying signal alignment device 2；The high-precision of the bank base signal source system
Location information is marked in the electronic map.High-precision electronic map is that ship can keep continual height in greater coasting area
Fast network is essential.
Embodiment 2
The operating procedure of the overocean communications system based on Lifi technology are as follows:
S1) boat-carrying signal alignment device 2 obtains itself from GPS positioning device 10 and is accurately positioned, and searches from electronic map attached
Boat-carrying signal transmitting and receiving is calculated according to distance between the two, orientation, depth displacement in the exact position of offshore base signal source system
Adjustment orientation needed for device after boat-carrying signal receiving/transmission device adjusts, issues request letter to request signal reception device 6
Number, the information content of the request signal include the catchword of ship, name of vessel, MMSI, GPS coordinate, boat-carrying signal receiving/transmission device with
The deviation value of GPS positioning device；
S2 after) request signal reception device 6 receives request signal, request signal is authenticated, after certification, request signal
The orientation of boat-carrying signal receiving/transmission device 3 is calculated according to request signal for reception device 6, and adjusts bank base signal alignment device 5
So that bank base signal receiving/transmission device 7 is directed at boat-carrying signal receiving/transmission device 3, and issues downlink letter to boat-carrying signal receiving/transmission device 3
Numbers 9.
S3 after) boat-carrying signal receiving/transmission device receives down link signal, uplink is issued to bank base signal receiving/transmission device
Signal 8 after docking successfully, can network.
S4) the GPS information of boat-carrying signal receiving/transmission device Real-time Feedback ship, bank base signal alignment device is according to ship running
Direction and speed, simulate ship movement rate, control bank base signal alignment device is close to uniform rotation, boat-carrying signal transmitting and receiving dress
Corresponding adjustment is made also with the movement of ship in the orientation set, and makes bank base signal receiving/transmission device face boat-carrying signal transmitting and receiving always
Device.
S5 it) when the range that ship's navigation position is covered beyond current bank base signal source system, is sought according to above-mentioned steps
New bank base signal source system is looked for connect.
Request signal transmitted by the boat-carrying signal receiving/transmission device is incident upon the drop point position in request signal reception device
Error is set no more than 10cm, when error is excessive, it is possible to cause request signal reception device not receive request signal, cause net
Network connection delay or failure, this also proposes higher want to each device precision, installation error, the positioning accuracy of present system
It asks.
Embodiment 3
Currently, most coastal waters ship all has been provided with watercraft AIS device, and after the device using embodiment 1, request signal reception device
By the request signal received after parsing, the information such as the catchword of ship, name of vessel, MMSI, GPS coordinate are sent to local pipe
The real-time control to ship can be realized in reason department, can preferably replace watercraft AIS device, save the cost.
Embodiment 4
When ship is more than the direct projection range of laser signal at a distance from bank base signal source system, it can be used and have more set boat-carrying letters
The ship of number R-T unit carries out signal relaying as relay station, sends signal to apart from farther ship.It is worth noting that
Due to the unstability of ship, such as still using the laser signal based on Lifi technology as the access signal between two ships, having can
It can will lead to after the signal receiving/transmission device between two ships is difficult to alignment in the short time or is aligned since rocking for ship leads to letter
Number disconnecting, therefore carried out by the way of remote-wireless connection is more safe using wireless bridge.
Embodiment 5
Directive property, which preferably covers illuminator etc., also can be used as the carrier of optical signal, and signal, but the biography of signal are transmitted in relatively short distance
Transmission quality and safety may be subjected to influence.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and embodiment shown and described herein.
Claims (10)
1. a kind of overocean communications system based on Lifi technology, which is characterized in that including boat-carrying signal system and bank base signal source
System；
The boat-carrying signal system includes the pedestal for being fixed on hull, the GPS positioning device being mounted on the base, is installed on pedestal
The boat-carrying signal alignment device on top, and the boat-carrying signal based on Lifi technology being installed on boat-carrying signal alignment device are received
Transmitting apparatus；
The bank base signal source system includes bank base, the bank base signal alignment device for being mounted on bank base top, is fixed on bank base top
The request signal reception device in portion, and the bank base signal transmitting and receiving based on Lifi technology being mounted on bank base signal alignment device
Device.
2. as described in claim 1 based on the overocean communications system of Lifi technology, which is characterized in that the bank base signal alignment
Device and bank base signal receiving/transmission device have more sets, can provide high speed network service to the ship of more different directions simultaneously；It is described
Bank base signal system include be arranged along the coastline it is multiple.
3. as claimed in claim 2 based on the overocean communications system of Lifi technology, which is characterized in that the boat-carrying signal transmitting and receiving
Device and bank base signal receiving/transmission device are using laser as signal vehicle, the signal device based on Lifi technology.
4. as claimed in claim 3 based on the overocean communications system of Lifi technology, which is characterized in that the bank base includes setting up
Signal tower in higher topographical coastal region.
5. as claimed in claim 4 based on the overocean communications system of Lifi technology, which is characterized in that the bank base signal transmitting and receiving
The height above sea level of device installation is not less than 200m.
6. as claimed in claim 5 based on the overocean communications system of Lifi technology, which is characterized in that the boat-carrying signal transmitting and receiving
The height above sea level of device installation is not less than 5m.
7. as claimed in claim 6 based on the overocean communications system of Lifi technology, which is characterized in that the request signal receives
The signal range of receiving of device is not less than 180 °.
8. as claimed in claim 7 based on the overocean communications system of Lifi technology, which is characterized in that further include being pre-installed on boat-carrying
Electronic map in signal alignment device；The high precision position information labeling of the bank base signal source system is in the electronic map
It is interior.
9. as claimed in claim 8 based on the overocean communications system of Lifi technology, which is characterized in that described to be based on Lifi technology
Overocean communications system operating procedure are as follows:
S1) boat-carrying signal alignment device obtains itself from GPS positioning device and is accurately positioned, and near searching in electronic map
Boat-carrying signal transmitting and receiving dress is calculated according to distance between the two, orientation, depth displacement in the exact position of bank base signal source system
Required adjustment orientation is set, after boat-carrying signal receiving/transmission device adjusts, issues request signal, institute to request signal reception device
The information content for stating request signal includes the catchword of ship, name of vessel, MMSI, GPS coordinate, boat-carrying signal receiving/transmission device and GPS fixed
The deviation value of position device；
S2 after) request signal reception device receives request signal, request signal is authenticated, after certification, request signal
The orientation of boat-carrying signal receiving/transmission device is calculated according to request signal for reception device, adjusts bank base signal alignment device, makes bank
Base signal receiving/transmission device is directed at boat-carrying signal receiving/transmission device, and issues down link signal to boat-carrying signal receiving/transmission device；
S3 after) boat-carrying signal receiving/transmission device receives down link signal, uplink signal is issued to bank base signal receiving/transmission device,
After docking successfully, it can network；
S4) the GPS information of boat-carrying signal receiving/transmission device Real-time Feedback ship, bank base signal alignment device is according to the side of ship running
To and speed, simulate ship movement rate, control bank base signal alignment device rotation, the orientation of boat-carrying signal receiving/transmission device also with
The movement of ship make corresponding adjustment, make bank base signal receiving/transmission device face boat-carrying signal receiving/transmission device always；
S5 it) when the range that ship's navigation position is covered beyond current bank base signal source system, is found according to above-mentioned steps new
Bank base signal source system connection.
10. as claimed in claim 9 based on the overocean communications system of Lifi technology, which is characterized in that the boat-carrying signal is received
Request signal transmitted by transmitting apparatus is incident upon the drop point site error in request signal reception device no more than 10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392031.0A CN109245824A (en) | 2018-11-21 | 2018-11-21 | Overocean communications system based on Lifi technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392031.0A CN109245824A (en) | 2018-11-21 | 2018-11-21 | Overocean communications system based on Lifi technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109245824A true CN109245824A (en) | 2019-01-18 |
Family
ID=65076220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811392031.0A Pending CN109245824A (en) | 2018-11-21 | 2018-11-21 | Overocean communications system based on Lifi technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109245824A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113766456A (en) * | 2021-07-21 | 2021-12-07 | 中国电子科技集团公司第二十九研究所 | Marine unmanned node information service method and system |
| CN113783616A (en) * | 2021-08-23 | 2021-12-10 | 南京轨道交通系统工程有限公司 | Optical communication transceiver and method for coordinating multipoint communication |
| CN114710206A (en) * | 2022-03-21 | 2022-07-05 | 中国船舶工业系统工程研究院 | Shore-sea emergency communication method and system based on LED light source |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080104663A (en) * | 2007-05-28 | 2008-12-03 | 삼성전자주식회사 | Method for communication link in wireless local area network using visible light communication |
| CN104679032A (en) * | 2015-02-27 | 2015-06-03 | 上海海事大学 | Dynamic antenna adjustment and communication method by utilizing shore-based base station and ship location information |
| CN105337665A (en) * | 2014-08-15 | 2016-02-17 | 南京复实通讯科技有限公司 | Transmitting and receiving device based on visible light communication, and method thereof |
| CN107909853A (en) * | 2017-10-24 | 2018-04-13 | 南京邮电大学 | Support visible light communication (VLC) intelligent transportation system of bilateral positioning |
| CN208924246U (en) * | 2018-11-21 | 2019-05-31 | 泰州市柯普尼通讯设备有限公司 | Overocean communications system based on Lifi technology |
-
2018
- 2018-11-21 CN CN201811392031.0A patent/CN109245824A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080104663A (en) * | 2007-05-28 | 2008-12-03 | 삼성전자주식회사 | Method for communication link in wireless local area network using visible light communication |
| CN105337665A (en) * | 2014-08-15 | 2016-02-17 | 南京复实通讯科技有限公司 | Transmitting and receiving device based on visible light communication, and method thereof |
| CN104679032A (en) * | 2015-02-27 | 2015-06-03 | 上海海事大学 | Dynamic antenna adjustment and communication method by utilizing shore-based base station and ship location information |
| CN107909853A (en) * | 2017-10-24 | 2018-04-13 | 南京邮电大学 | Support visible light communication (VLC) intelligent transportation system of bilateral positioning |
| CN208924246U (en) * | 2018-11-21 | 2019-05-31 | 泰州市柯普尼通讯设备有限公司 | Overocean communications system based on Lifi technology |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113766456A (en) * | 2021-07-21 | 2021-12-07 | 中国电子科技集团公司第二十九研究所 | Marine unmanned node information service method and system |
| CN113783616A (en) * | 2021-08-23 | 2021-12-10 | 南京轨道交通系统工程有限公司 | Optical communication transceiver and method for coordinating multipoint communication |
| CN114710206A (en) * | 2022-03-21 | 2022-07-05 | 中国船舶工业系统工程研究院 | Shore-sea emergency communication method and system based on LED light source |
| CN114710206B (en) * | 2022-03-21 | 2022-12-13 | 中国船舶集团有限公司系统工程研究院 | Shore-sea emergency communication method and system based on LED light source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109245824A (en) | Overocean communications system based on Lifi technology | |
| US20210287557A1 (en) | Flying device, flight control device, and flying control method | |
| CN208924246U (en) | Overocean communications system based on Lifi technology | |
| CN106184753A (en) | A kind of unmanned plane and unmanned plane search and rescue localization method | |
| CN102523031A (en) | Information navigation mark navigation guarantee system based on Beidou satellite | |
| CN104035106A (en) | Salvage system and method based on beidou navigation and communication | |
| CN106602261A (en) | Shipborne satellite communication system and method for shipborne antenna to track satellite | |
| CN102892163A (en) | Ground-air wideband communication switching method and system under high-speed moving condition | |
| RU2011141717A (en) | METHOD AND COMMUNICATION SYSTEM FOR DIRECTED TRANSMISSION OF DIGITAL DATA BETWEEN THE AIRCRAFT AND LAND STATION | |
| KR101201344B1 (en) | System and method for remote managing a light buoyage for sailing route based on short distance communication | |
| Haruyama | Advances in visible light communication technologies | |
| CN106093859B (en) | A kind of self-organizing ship-positioning system and its localization method based on dirigible | |
| US20200322055A1 (en) | Air, land and sea wireless optical telecommunication network (alswot) | |
| CN101409658A (en) | At-sea network system, antenna combined structure and communication method thereof | |
| CN104392631B (en) | Control river reach ship pass inducing service system and method based on mobile terminal | |
| CN111431578B (en) | AIS-based adaptive communication method for near space airship and ship | |
| US20190249906A1 (en) | Solar tracking system and solar tracking method | |
| CN109860982A (en) | A kind of antenna for satellite communication in motion and its sea area broadband access system | |
| CN110149138A (en) | Space-based maritime search and rescue use processing device and processing method | |
| Yu et al. | Maritime broadband communications: Applications, challenges and an offshore 5G-virtual MIMO paradigm | |
| CN107318134B (en) | Method for guaranteeing relay distance of ship wireless relay communication | |
| CN113098605A (en) | Hand-held terminal of optical communication system | |
| CN207587956U (en) | A kind of feed array mounting bracket | |
| CN203482201U (en) | An intelligent microwave relay system and an intelligent sea microwave relay station | |
| CN109367732A (en) | Ocean network system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |