CN114363913B - Port ship shore power system realized based on power line communication - Google Patents
Port ship shore power system realized based on power line communication Download PDFInfo
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- CN114363913B CN114363913B CN202210009232.8A CN202210009232A CN114363913B CN 114363913 B CN114363913 B CN 114363913B CN 202210009232 A CN202210009232 A CN 202210009232A CN 114363913 B CN114363913 B CN 114363913B
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- 238000004891 communication Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims description 9
- 239000012212 insulator Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 11
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/544—Setting up communications; Call and signalling arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15507—Relay station based processing for cell extension or control of coverage area
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15542—Selecting at relay station its transmit and receive resources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
- H04W84/22—Self-organising networks, e.g. ad-hoc networks or sensor networks with access to wired networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The application relates to a port ship shore power system based on power line communication realization includes: a first signal tower or signal base station, at least one head end AirGig node antenna, a number of relay AirGig node antennas, and at least one terminal AirGig node antenna; the head end AirGig node antenna is close to the receiving network signal, the relay AirGig node antenna is erected along the power line according to fixed intervals to form a plurality of network information transmission nodes, and the terminal AirGig node antenna is fixed on the shore distribution box; the system comprises a plurality of frequency modulation devices, a plurality of network signal intensity receiving devices, and a corresponding working frequency range of a head end AirGig node antenna and a relay AirGig node antenna according to the network signal intensity to enhance the transmission intensity of network signals on a power line.
Description
Technical Field
The application relates to the field of ship shore power, in particular to a port ship shore power system realized based on power line communication.
Background
The ship shore power system simply means that when the ship is berthed at the wharf, the self-contained auxiliary generator on the ship is stopped, and the land power supply is used for supplying power to the main shipboard system. In general, an electric power supply system mainly comprises three elements of a power plant, a power network substation and a user. The shore power technology uses a shore-based power supply to replace diesel engine power generation, and directly supplies power to a mail ship, a cargo ship, a container ship, a maintenance ship and the like so as to reduce pollution emission when the ship is berthed at a port. The technique of hearing the shore power is simply to replace the diesel generator on board the ship with the electricity on shore, but this is by no means so simple as pulling two wires from the on-shore grid. First, the shore power wharf is a high temperature, high humidity, highly corrosive, harsh power environment. Second, the frequencies of the electricity used in the countries are different, for example, the frequency of the electricity used in the United states is 60HZ alternating current, and the frequency is not matched with the frequency of 50HZ in the country. Meanwhile, the voltage and power interfaces required by ships with various tonnages are different, the voltage needs to meet the span from 380V to 10KV, and the power also has different requirements from several kilovolts to more than ten megavolts. In addition, the external interfaces of ships of all companies are different, and the shore power technology can actively detect and adapt to the different interfaces so as to meet the requirements of the ships of all the companies.
The defects of the prior art are that: the current shore power system basically meets the power supply requirement, but the coverage of the network signal cannot be realized, or the realization cost is higher, based on common knowledge, the signal tower and the network communication line have to be built for realizing the network coverage, but the container transfer and the like are generally involved for a wharf, and obviously, the conditions for building the signal tower and the network communication line are not met.
Disclosure of Invention
The purpose of the application is to overcome the defects of the prior art and provide a port ship shore power system based on power line communication. And after the shore power facilities are butted to the ship, the information such as the Internet, the cable television and the like is transmitted by utilizing the power carrier technology, and the low-cost and large-bandwidth network signals of the ship are covered by utilizing the ship-borne WIFI, so that value-added service is provided for popularization and application of the shore power of the ship.
The aim of the application is achieved by the following technical scheme:
the AirGig technology is to place an ultra-light wireless network device on the top of a telegraph pole, and then transmit wireless signals along a power line to communicate with each other, so that compared with a network, the popularization range of electricity is wider and the history is longer, and the ultra-light wireless network prospect of popularizing ultra-high speed in almost any place can be realized by virtue of the electric power guiding transmission technology of AirGig. The bottleneck of the prior art is how to introduce a wireless signal into a power line, and a great amount of experiments show that a great deal of signal attenuation occurs after the wireless signal is introduced into the power line, and when the wireless signal is truly transmitted to the tail end of the power line, the signal strength of the wireless signal is almost difficult to realize network connection, or the connection and instability are caused.
Port ship shore power system based on power line communication realizes includes:
a first signal tower or signal base station;
the plurality of AirGig node antennas comprise, in their order of arrangement: at least one head end AirGig node antenna, a number of relay AirGig node antennas, and at least one terminal AirGig node antenna;
the head end AirGig node antenna is close to the receiving network signal, the relay AirGig node antenna is erected along a power line according to fixed intervals to form a plurality of network information transmission nodes, and the terminal AirGig node antenna is fixed on a shore distribution box;
the wireless network signal detection terminal is used for detecting the network signal intensity of the power line;
and the plurality of frequency modulation devices are respectively configured with one head end AirGig node antenna and one relay AirGig node antenna, the network signal intensity is received, and the working frequency ranges of the corresponding head end AirGig node antenna and the corresponding relay AirGig node antenna are regulated according to the network signal intensity so as to enhance the transmission intensity of network signals on the power line.
In order to further enhance the strength of the network signal, a signal enhancing device is further arranged between the AirGig node antenna and the power line and used for compensating the strength of the network signal, so that the loss of the network signal in the power line transmission process is reduced, and stable network connection can be realized.
The power line transmission network signal is realized based on the AirGig technology, the application and the expansion of the power carrier foundation are based, and the 5G signal is generated, so that the AirGig technology can be realized, the problem of high loss of a wireless signal of the power line transmission is solved, the low-loss network signal can be transmitted through the power line, and the network coverage of a ship shore power system is realized.
Further, at least one routing node for receiving terminal AirGig node antenna network signals is included, said routing node for radiating network signals to the marine area.
Furthermore, the AirGig node antenna is fixed within 30cm from the power line in a hanging or tower mode, and is isolated by an insulator when the AirGig node antenna is adjacent to the power line, and the selection of the insulator is determined according to the power transmission voltage level of the power line.
Preferably, the air gig node antennas are suspended and fixed below the power lines in the application, so that the addition of towers can be reduced, and therefore, the distance between the towers between the power lines is far greater than the distance between two air gig node antennas, and therefore, part of the air gig node antennas must be suspended and fixed.
Further, the AirGig node antenna includes:
the access antenna is used for transmitting the network signal to the next AirGig node antenna or the routing node;
the return antenna array is used for converting the network signal into a return wireless signal and introducing the return wireless signal into the power line so that the return wireless signal is transmitted along the power line;
a power supply conversion unit for supplying power;
the wireless transceiver comprises at least one access transceiver and a backhaul transceiver, converts backhaul wireless signals into Ethernet packet signals, converts the Ethernet packet signals into access wireless signals through the access transceiver, and transmits the wireless signals to the routing node through an access antenna.
Furthermore, the working frequency bands of the access antenna, the backhaul antenna array and the wireless transceiver are millimeter wave signals of 55-65 GHz.
Further, the AirGig node antenna comprises a plurality of horn antennas, the lobe width of each horn antenna is 30 degrees, each antenna array is installed at 360 degrees, and each horn antenna is divided into the access antenna and the return antenna array according to purposes.
Further, the network signal sent by the first signal tower or the signal base station is a 5G signal.
Further, one wireless network signal detection terminal is fixed between two adjacent AirGig node antennas, and the wireless network signal detection terminal and the power line network signal transmission direction reversely transmit the network signal strength to the frequency modulation device.
Further, the distance between two adjacent AirGig node antennas is not more than 50 meters.
Further, a second frequency modulation device is further included between the terminal AirGig node antenna and the routing node, and is configured to convert the millimeter wave signal into an 802.11ad or 802.11ac WiFi signal.
The beneficial effects of this application are: according to the method, the AirGig technology is used for the ship shore power system, the network signal coverage of the ship shore power system is realized, the gap that the ship shore power system cannot realize the network coverage is filled, a signal tower and a network line are not required to be additionally arranged, any influence on the operation of a wharf is avoided, information such as the Internet and a cable television is transmitted after the shore power facility is docked to a ship, the ship-borne WIFI is utilized, the low-cost and large-bandwidth network signal coverage of the ship is realized, and value-added service is provided for popularization and application of the ship shore power.
Drawings
FIG. 1 is a schematic diagram of a system according to an embodiment of the present application;
fig. 2 is a schematic diagram of an AirGig node antenna.
Detailed Description
The technical solutions of the present application are described in further detail below in conjunction with specific embodiments, but the scope of protection of the present application is not limited to the following description.
Referring to fig. 1, a port ship shore power system implemented based on power line communication includes:
a first signal tower or signal base station;
the plurality of AirGig node antennas comprise, in their order of arrangement: at least one head end AirGig node antenna, a number of relay AirGig node antennas, and at least one terminal AirGig node antenna;
the head end AirGig node antenna is close to the receiving network signal, the relay AirGig node antenna is erected along the power line according to fixed intervals to form a plurality of network information transmission nodes, and the terminal AirGig node antenna is fixed on the shore distribution box;
the wireless network signal detection terminal is used for detecting the network signal intensity of the power line;
and the working frequency ranges of the corresponding head end AirGig node antenna and the corresponding relay AirGig node antenna are adjusted according to the network signal intensity so as to enhance the transmission intensity of network signals on the power line.
In this embodiment, the distance between the first signal tower or the signal base station and the head end AirGig node antenna cannot exceed the effective radiation radius of the first signal tower or the signal base station, that is, at least one first signal tower or signal base station should be built in the effective radiation radius of one tower at the outermost periphery of the shore power system of the ship, so as to complete the transmission of network signals, so that the head end AirGig node antenna can receive reliable and stable network signals.
In order to further enhance the strength of the network signal, a signal enhancing device is further arranged between the AirGig node antenna and the power line for compensating the strength of the network signal, thereby reducing the loss of the network signal in the power line transmission process and realizing stable network connection
In some embodiments, at least one routing node for receiving terminal AirGig node antenna network signals is also included, the routing node for radiating network signals to the marine area. In a specific application, reasonable routing node coverage should be performed according to the area of the ship area, so as to ensure that corresponding wireless network signals can be received anywhere in the area.
In some embodiments, the AirGig node antenna is suspended or tower fixed within 30cm from the power line, and is isolated by an insulator when the AirGig node antenna is adjacent to the power line, and the choice of the insulator is determined according to the power line transmission voltage level. The insulator isolation is adopted to avoid the phenomenon that the electric leakage phenomenon such as arc generated by a power line affects the normal operation of the AirGig node antenna.
Referring to fig. 2, in some embodiments, the AirGig node antenna comprises:
the access antenna is used for transmitting the network signal to the next AirGig node antenna or the routing node;
the return antenna array is used for converting the network signal into a return wireless signal and introducing the return wireless signal into the power line so that the return wireless signal is transmitted along the power line;
a power supply conversion unit for supplying power;
the wireless transceiver comprises at least one access transceiver and a backhaul transceiver, converts backhaul wireless signals into Ethernet packet signals, converts the Ethernet packet signals into access wireless signals through the access transceiver, and transmits the wireless signals to the routing node through the access antenna.
Referring to fig. 2, in some embodiments, the access antenna, the backhaul antenna array, and the wireless transceiver operate with millimeter wave signals at 55-65 GHz. Preferably, in this embodiment, the access antenna, the backhaul antenna array, and the wireless transceiver work for millimeter wave signals with a frequency band of 60GHz, and the 60GHz wireless transceiver is also the key core of the technology, and multiple transceivers (access transceiver and backhaul transceiver) are estimated, and the MIMO technology is adopted to improve the broadband rate. The downlink direction is estimated to undergo two signal conversion processes, namely, a backhaul transceiver converts a 60GHz backhaul wireless signal into an ethernet packet signal, then converts the ethernet packet signal into a 60GHz access wireless signal through an access transceiver, and transmits the wireless signal to a Customer Premise Equipment (CPE) installed in a home through a 60GHz access antenna. After the CPE receives the 60GHz millimeter wave signal, it also needs to convert again. The wireless communication system can be converted into 802.11ad or 802.11ac WiFi signals for home broadband internet access, and can also be connected to an LTE-A/LAA/LTE-Ufemtocell unit to provide mobile phone internet surfing, conversation and home Internet of things services. The frequency modulation equipment mainly modulates the frequency of the AirGig node antenna according to the intensity of network signals in the power line, so that the AirGig node antenna fluctuates around 60GHz, and the frequency modulation equipment is suitable for unstable signals of the power line caused by power grid oscillation, thereby reducing the signal attenuation of the network signals in the power line transmission process.
In some embodiments, the AirGig node antenna comprises a plurality of horn antennas, each horn antenna having a lobe width of 30 °, each antenna array being 360 ° mounted, each horn antenna being divided into an access antenna and a return antenna array according to the application.
In some embodiments, the network signal sent by the first signal tower or the signal base station is a 5G signal.
In some embodiments, a wireless network signal detection terminal is fixed between two adjacent air gig node antennas, and the wireless network signal detection terminal and the power line network signal transmission direction reversely transmit the network signal strength to the frequency modulation device.
In some embodiments, the spacing between adjacent two AirGig node antennas is no more than 50 meters.
In some embodiments, a second frequency modulation device is further included between the terminal air gig node antenna and the routing node for converting the millimeter wave signal into an 802.11ad or 802.11ac WiFi signal.
The foregoing is merely a preferred embodiment of the present application and it is to be understood that the present application is not limited to the form disclosed herein and is not to be construed as an exclusive example of other embodiments, but is capable of use in various other combinations, modifications and environments and is capable of changes within the scope of the inventive concept, either as a result of the foregoing teachings or as a result of the knowledge or technology of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the present invention are intended to be within the scope of the appended claims.
Claims (10)
1. Port ship shore power system based on power line communication realizes, its characterized in that includes:
a first signal tower or signal base station;
the plurality of AirGig node antennas comprise, in their order of arrangement: at least one head end AirGig node antenna, a number of relay AirGig node antennas, and at least one terminal AirGig node antenna;
the head end AirGig node antenna is close to the receiving network signal, the relay AirGig node antenna is erected along a power line according to fixed intervals to form a plurality of network information transmission nodes, and the terminal AirGig node antenna is fixed on a shore distribution box;
the wireless network signal detection terminal is used for detecting the network signal intensity of the power line;
and the plurality of frequency modulation devices are respectively configured with one head end AirGig node antenna and one relay AirGig node antenna, the network signal intensity is received, and the working frequency ranges of the corresponding head end AirGig node antenna and the corresponding relay AirGig node antenna are regulated according to the network signal intensity so as to enhance the transmission intensity of network signals on the power line.
2. Port vessel shore power system based on power line communication implementation according to claim 1, further comprising at least one routing node for receiving terminal AirGig node antenna network signals, said routing node being adapted to radiate network signals to a vessel area.
3. The harbour ship shore power system realized based on power line communication according to claim 1, wherein the AirGig node antenna is fixed within 30cm from the power line in a hanging or tower mode, and when the AirGig node antenna is adjacent to the power line, insulators are used for isolation, and the choice of the insulators is determined according to the power line transmission voltage level.
4. A port vessel shore power system implemented based on power line communications according to claim 2 or 3, wherein said AirGig node antenna comprises:
the access antenna is used for transmitting the network signal to the next AirGig node antenna or the routing node;
the return antenna array is used for converting the network signal into a return wireless signal and introducing the return wireless signal into the power line so that the return wireless signal is transmitted along the power line;
a power supply conversion unit for supplying power;
the wireless transceiver comprises at least one access transceiver and a backhaul transceiver, converts backhaul wireless signals into Ethernet packet signals, converts the Ethernet packet signals into access wireless signals through the access transceiver, and transmits the wireless signals to the routing node through an access antenna.
5. The port marine shore power system implemented based on power line communication according to claim 4, wherein the working frequency band of the access antenna, the backhaul antenna array and the wireless transceiver is a millimeter wave signal of 55-65 GHz.
6. The port marine shore power system implemented based on power line communication according to claim 5, wherein said AirGig node antenna comprises a plurality of horn antennas, each horn antenna having a lobe width of 30 °, each antenna array being installed at 360 ° and each horn antenna being divided into said access antenna and return antenna array according to the use.
7. The port marine shore power system implemented based on power line communication according to claim 1, wherein the network signal sent by said first signal tower or signal base station is a 5G signal.
8. The port ship shore power system realized based on power line communication according to claim 1, wherein one wireless network signal detection terminal is fixed between two adjacent air gig node antennas, and the wireless network signal detection terminal and the power line network signal transmission direction reversely transmit network signal intensity to the frequency modulation device.
9. The port marine shore power system implemented based on power line communications of claim 1, wherein the spacing between adjacent two of said AirGig node antennas is no more than 50 meters.
10. The port marine shore power system implemented based on power line communication according to claim 5, further comprising a second frequency modulation device between said terminal AirGig node antenna and the routing node for converting said millimeter wave signal into an 802.11ad or 802.11ac WiFi signal.
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| CN202210009232.8A CN114363913B (en) | 2022-01-06 | 2022-01-06 | Port ship shore power system realized based on power line communication |
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| CN202210009232.8A CN114363913B (en) | 2022-01-06 | 2022-01-06 | Port ship shore power system realized based on power line communication |
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| CN114363913B true CN114363913B (en) | 2024-04-05 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938346A (en) * | 2010-08-27 | 2011-01-05 | 北京安华北斗信息技术有限公司 | Orthogonal frequency division multiplexing-based power line broadband network system |
| CN202261279U (en) * | 2011-09-08 | 2012-05-30 | 福建省亿力电力网络信息设备有限公司 | Carrier broadband networking system used on ship power line |
| CN102497110A (en) * | 2011-12-06 | 2012-06-13 | 连云港星火岸电工程有限公司 | Wharf marine shore power system |
| CN103326906A (en) * | 2012-03-22 | 2013-09-25 | 上海贝尔股份有限公司 | Method and device for offering network access to vehicles based on G.hn standard |
| CN105186687A (en) * | 2015-07-29 | 2015-12-23 | 中机国能电力工程有限公司 | Wireless communication system used for shore power system and ship |
| CN106384496A (en) * | 2016-10-26 | 2017-02-08 | 深圳量子力能源互联网有限公司 | Power consumption information acquisition device and system |
| KR101709685B1 (en) * | 2015-12-18 | 2017-02-24 | 제주한라대학교산학협력단 | Mobile communication relay service system and method for ship |
| CN109038536A (en) * | 2017-06-08 | 2018-12-18 | 周锡卫 | A kind of shore-based power supply system and control method based on energy storage peak shaving |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL213396A0 (en) * | 2011-06-06 | 2011-07-31 | Mariana Goldhamer | Connection of different terminals through power lines |
-
2022
- 2022-01-06 CN CN202210009232.8A patent/CN114363913B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938346A (en) * | 2010-08-27 | 2011-01-05 | 北京安华北斗信息技术有限公司 | Orthogonal frequency division multiplexing-based power line broadband network system |
| CN202261279U (en) * | 2011-09-08 | 2012-05-30 | 福建省亿力电力网络信息设备有限公司 | Carrier broadband networking system used on ship power line |
| CN102497110A (en) * | 2011-12-06 | 2012-06-13 | 连云港星火岸电工程有限公司 | Wharf marine shore power system |
| CN103326906A (en) * | 2012-03-22 | 2013-09-25 | 上海贝尔股份有限公司 | Method and device for offering network access to vehicles based on G.hn standard |
| CN105186687A (en) * | 2015-07-29 | 2015-12-23 | 中机国能电力工程有限公司 | Wireless communication system used for shore power system and ship |
| KR101709685B1 (en) * | 2015-12-18 | 2017-02-24 | 제주한라대학교산학협력단 | Mobile communication relay service system and method for ship |
| CN106384496A (en) * | 2016-10-26 | 2017-02-08 | 深圳量子力能源互联网有限公司 | Power consumption information acquisition device and system |
| CN109038536A (en) * | 2017-06-08 | 2018-12-18 | 周锡卫 | A kind of shore-based power supply system and control method based on energy storage peak shaving |
Non-Patent Citations (1)
| Title |
|---|
| 面向智能配电网的电力线与无线融合通信研究;刘柱，欧清海;电力信息与通信技术;20160215;第2016 年第14 卷卷(第第2期期);全文 * |
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