KR101866283B1 - Wireless Repeater System for Small Sized Vessel for Providing AIS and Location Information Using Wi-Fi - Google Patents

Wireless Repeater System for Small Sized Vessel for Providing AIS and Location Information Using Wi-Fi Download PDF

Info

Publication number
KR101866283B1
KR101866283B1 KR1020170066288A KR20170066288A KR101866283B1 KR 101866283 B1 KR101866283 B1 KR 101866283B1 KR 1020170066288 A KR1020170066288 A KR 1020170066288A KR 20170066288 A KR20170066288 A KR 20170066288A KR 101866283 B1 KR101866283 B1 KR 101866283B1
Authority
KR
South Korea
Prior art keywords
ais
signal
information
location information
ship
Prior art date
Application number
KR1020170066288A
Other languages
Korean (ko)
Inventor
이재인
Original Assignee
(주)마린소프트
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by (주)마린소프트 filed Critical (주)마린소프트
Priority to KR1020170066288A priority Critical patent/KR101866283B1/en
Application granted granted Critical
Publication of KR101866283B1 publication Critical patent/KR101866283B1/en

Links

Images

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G3/00—Traffic control systems for marine craft
    • G08G3/02—Anti-collision systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
    • 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
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/047—Public Land Mobile systems, e.g. cellular systems using dedicated repeater stations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Ocean & Marine Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Traffic Control Systems (AREA)

Abstract

The present invention relates to a wireless relay system for small vessels that provides AIS and location information using Wi-Fi communication in which in order to more accurately grasp the information such as a location (latitude and longitude), a course over ground, a speed over the ground, an orientation of heading, a turnaround rate, a navigation situation, etc. of the vessel while a user of a vessel receives the AIS signal using a portable terminal as a service that utilizes an automatic identification system (AIS) for vessels which is increasingly mandatory for small vessels, three separate GPSs are installed. By providing AIS signal and location information using Wi-Fi communication which can provide dynamic information of the vessels, the user can monitor the AIS information and the location information of the surrounding vessels through the AIS signal transmitted from the AIS apparatus and identify the more accurate location information of the user′s vessel in addition to the location information of the vessels received in the AIS signal to thereby prevent or cope with accidents between vessels in the off-shore area and vessel′s accidents in advance. The wireless relay system for small vessels for providing AIS and location information using Wi-Fi communication according to the present invention comprises: a location detection unit (110) detecting the location of the user′s vessel to a signal converting unit; an AIS signal receiving unit (120) including an AIS connector (121) and an automatic polarity conversion unit (122) and receiving the AIS signal from the surrounding vessels and the AIS signal of the surrounding vessels from the coast base station and the AIS signal of the user′s vessel and transmitting them to the signal converting unit; a signal conversion unit (130) for converting the location information of the user′s vessel and the AIS signal into a Wi-Fi signal; a Wi-Fi antenna (140); and a portable terminal (150) displaying the information of the surrounding vessels and the coast base station and the location information of the user′s vessel to the user.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a wireless repeater system for providing a location information and an AIS using Wi-

The present invention relates to a wireless relay system for a small ship that provides AIS and location information using Wi-Fi communication, and more particularly to a wireless relay system for a ship, which is obligatory for an IMO to prevent collision of the ship at sea By providing a wireless repeater for a small ship based on Wi-Fi communication so that the signal from the AIS device and the location information of the ship can be displayed on the portable terminal of the user so that the user of the ship can check the site in real time, It is possible to monitor the position and information of the nearby ships through the AIS signal transmitted from the AIS signal and to confirm the position information of the own small ship separately from the position information of the ship received in the AIS signal, Provide more accurate location information about your ship Rock and relates to a compact marine radio relay system which provides the AIS and location information using the Wi-Fi communication to avoid or deal with the accident, an accident in advance of the vessel between the offshore vessel.

The AIS (Automatic Identification System) is a state-of-the-art device that provides real-time navigation information such as position, speed, and speed of a ship. It is an obligation imposed by the International Maritime Organization (IMO) For the sake of safety, it is necessary to identify the general specifications (sharpness, tonnage, nationality) and navigational information (position, speed and speed) of the navigation ship to strengthen the navigation safety, search and rescue support system for vessels, It is also evolving from accidents to systems that can prevent dangerous ship safety management in advance.

The ship's AIS is a digital VHF radio transponder system. The ship equipped with AIS operates in a continuous mode without interfering with any waters of the world, and is used for marine mobile frequency band Two independent receivers, each having two VHF frequency channels 87B and 88B, can receive information at the same time, and consists of one transmitter that alternately transmits two channels.

The AIS for coastal base stations receives information from each ship, displays it on a monitor, transmits navigation related information to each ship, and, if necessary, transmits it to other agencies via the network.

The AIS equipment for ships should be able to measure the position of high precision based on DGPS using GPS or IALA Correction signal and transmit it to other transponder and land station including this location information in broadcasting message.

It is necessary to improve the efficiency of traffic control as well as navigation safety by planning the linkage with the reporting system of the ship and the ship, the ship and the land control empire, and the VTS system, and the user should be able to obtain information automatically from this system do.

Conventional patent registration No. 10-0687277 entitled " Automatic Vessel Identification Device with Built-in Electronic Chart ", as shown in FIG. 1, incorporates an electronic chart into an MKD unit (Minimum Keyboard and Display Unit) · By displaying all received information data on the electronic chart in a superimposed manner, it enables the navigator to make a quick judgment within the frequent passage of the ship, thereby preventing maritime collision and accident and effective maritime traffic management. The present invention relates to an automatic ship identification apparatus having an electronic chart, which transmits and receives information related to a vessel name and type, position information, traveling speed, traveling direction, and navigation issued from an AIS (Automatic Identification System) A transponder 103 for analyzing and digitizing the AIS information signal received through the antenna 102 and automatically transmitting the position information of the charity and the like, An electronic chart data unit 105 for storing data of a light guide line, a light beam, and a submarine dangerous goods indicator, an A / D converter 103 for displaying the electronic chart data received from the electronic chart data unit 105 on the screen and AIS information data received from the transponder 103 An MKD unit 104 for causing the MKD unit 104 and the transponder 103 to superimpose and display on the electronic chart screen and a power supply unit 106 for supplying DC power to the MKD unit 104 and the transponder 103. [

Static information transmitted through AIS for ship is identified by including IMO identification number (MMSI), call sign, name of ship, length and width of ship, type of ship, cargo and antenna position , Dynamic information from GPS receivers included in the AIS equipment, such as standard time, location (latitude and longitude), relative guidance, major sustainability, heading, turnover, navigation and additional information, There is a problem that the information such as the sailing direction and the speed including the position of the ship through the receiver is not accurate.

In addition, there is a limitation in that the navigators operating the ship are still able to view and grasp the information captured by the GPS receiver in transmitting the information of the ship to the surrounding ship or the maritime empire.

Especially, in order to acquire such AIS information, various kinds of specialized equipment for monitoring the location information of vessels such as ECDIS, RADAR and GPS plotter should be used. In case of small ships, And thus, the introduction and utilization of the system is limited.

In other words, most of small-sized vessels have a problem that it is difficult to use the existing expensive AIS equipment because of the small size of the ship owners. Such a problem poses a problem that can lead to ship collision in the offshore sea.

Patent Registration No. 10-1042695, "Automatic Identification System for Small Vessels", does not expose the positions of the vessels to each other at normal times by applying encryption technology. However, when the vessels approach the vessels within the dangerous distance, A small ship automatic identification device capable of data encryption and capable of wireless communication with a portable wireless communication device such as a smart phone capable of preventing a risk of accident of a ship and data encrypted and transmitted by a small ship automatic identification device, There is provided an automatic identification system for a small ship comprising an automatic identification device for a land base station that monitors the position of the ship in real time and controls the ships to prevent the risk of a ship accident.

However, there is still a limit to the accuracy of the information transmitted from the conventional GPS receiver of AIS for the prevention of ship accident and the safe operation of small ships and fishing boats which are less safe than large merchant ships.

Patent Registration No. 10-0687277, " Automatic Identification Device for Ships with Electronic Charts " Patent Registration No. 10-1042695, "Automatic Identification System for Small Ship"

Accordingly, in the present invention, a service using an automatic ship identification system (AIS), in which mandatory installation of a small ship is expanded, allows a user of a small ship to receive information using a portable terminal, , AIS using Wi-Fi communication capable of providing dynamic information of small ships with three separate GPS to more accurately grasp the information such as the large sustainability, the heading deflection, the turnaround rate, And to provide a wireless relay system for a small ship that provides location information.

According to an aspect of the present invention, there is provided a navigation system including a position detection unit for detecting a position of a charity and transmitting generated position information to a signal conversion unit, an AIS The AIS transponder may be detachably attached to the AIS transponder installed in the equipment. The AIS signal of the peripheral ship received from the AIS transponder and the AIS signal of the charity are periodically received and transmitted to the automatic polarity converting unit 122 AIS connector; And an automatic polarity conversion unit (122) for adjusting a polarity difference between Tx and Rx of the AIS signal transmitted from the AIS connector, wherein the AIS signal receiving unit receives the AIS signal from the peripheral ship and the coast base station, A signal converter for converting the position information of the ship measured from the position detector and the AIS signal transmitted from the AIS signal receiver into a Wi-Fi signal; and a signal processor coupled to the signal converter and wirelessly transmitting the Wi- WiFi antenna; And a wireless terminal for receiving the Wi-Fi signal wirelessly transmitted through the Wi-Fi using antenna and displaying the AIS information and the location information to a user. The wireless terminal of claim 1, It is a relay system.

The position detector of the wireless relay system for a small marine vessel that provides AIS and position information using Wi-Fi communication according to the present invention includes three position sensors for detecting the position of a charger; And a position measuring unit for measuring the position of the current vessel using the triangulation method from the positions of the three vessels respectively measured from the three position sensors and generating position information of the vessel.

The position sensor of the wireless relay system for a small ship providing the AIS and the position information using the WiFi communication according to the present invention may be a combination using three of the same types of DGPS, GPS and RTK (Real-Time Kinematic) GPS, The combination using two different types or one of the three different types may be used in combination.

The AIS using the Wi-Fi communication and the wireless relay system for a small ship providing location information can transmit and receive the AIS signal and the position information between the vessels having a predetermined distance using the Wi-Fi use antenna 140, And can be transmitted to a portable terminal of another ship in a distance.

AIS using the Wi-Fi communication according to the present invention and a wireless relay system for a small ship providing position information can be used to measure more accurate information about the position of a small ship, Can be transmitted not only to the crew of the ship but also to the surrounding vessels, and it is possible to confirm the AIS information corresponding to the IMO obligations of the vessel at any time and anywhere within the ship, The advantage of using Wi-Fi communication is that it can easily monitor the maritime situation around charity center.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of an automatic ship identification apparatus having an electronic chart according to an embodiment of the present invention; FIG.
FIG. 2 is a block diagram of a wireless navigation system for a small ship providing AIS and location information using Wi-Fi communication proposed in the present invention; FIG.
3 is a configuration diagram of a position detector according to an embodiment of the present invention;
4 is an exemplary diagram of a triangulation method for position measurement using three position sensors according to an embodiment of the present invention;
5 is a configuration diagram of an AIS signal receiving unit according to an embodiment of the present invention;
6 is an exemplary view of an AIS signal and position information displayed on a mobile terminal according to an embodiment of the present invention;
7 is an exemplary diagram for transmitting and receiving a Wi-Fi signal between a ship and a ship according to another embodiment of the present invention;

In order to fully understand the present invention, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings 2 to 7. The embodiments of the present invention may be modified into various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. The present embodiments are provided to enable those skilled in the art to more fully understand the present invention. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that in the drawings, the same members are denoted by the same reference numerals. In the drawings and the detailed description, the configuration and operation of the AIS equipment, the VHF antenna, the WiFi antenna, and the like can be easily understood by those skilled in the art. Particularly, in the drawings and the detailed description of the drawings, detailed description and illustration of elements and structures of elements that are not directly related to the technical features of the present invention are omitted and only a technical structure related to the present invention is shown briefly .

FIG. 2 is a block diagram of a wireless relay system for a small ship that provides AIS and location information using Wi-Fi communication proposed in the present invention.

As shown in FIG. 2, the wireless relay system 100 for a small ship, which provides AIS and location information using Wi-Fi communication according to an embodiment of the present invention, is installed in a small ship to operate a small ship, The crew members can easily access the AIS information transmitted from the nearby ship and the coastal base station through the portable terminal 150 such as a smart phone, a PAD, a PDA, a notebook or the like and the accurate location information of the ship An AIS signal receiving unit 120, a signal converting unit 130, a WiFi using antenna 140, and a portable terminal 150 so as to be able to recognize the position of the mobile communication terminal.

3 is a configuration diagram of a position detector according to an embodiment of the present invention.

3, the position detector 110 includes a position sensor 111 and a position measurer 112 to detect the position of the charger and transmit the generated position information to the signal converter 130.

The position sensor 111 is a sensor for detecting a position (a longitude and a latitude) of a charity in real time. Examples of the sensor include a DGPS, a GPS, and a Real-Time Kinematic (RTK) GPS. By using the position sensor 111, it is possible to confirm the dynamic information such as the great sustaining force, the heading of the bow, and the rounding ratio with the guide of the charity through the change value of the real time position of the charity.

Therefore, since the position sensor 111 must accurately sense the position of the charger, it uses three position sensors 111 rather than one position sensor 111 to use the respective positions received from the three position sensors 111 DGPS, GPS, and RTK (Real-Time Kinematic) GPS can use the same three types or can combine three types of each.

4 is an exemplary diagram of a triangulation method for position measurement using three position sensors according to an embodiment of the present invention.

As shown in FIG. 4, the position measuring device 112 measures the positions of the charities using triangulation method for each position value obtained from the three position sensors 111.

Triangulation is the most commonly used method for estimating the real-time position of a moving object on a two-dimensional plane with a simple geometric method. In order to estimate the real-time position of a moving object on a two-dimensional plane (hereinafter, only two-dimensional plane is assumed), at least three reference points are required. Let the reference points be AP1, AP2, and AP3, and let the coordinates of each AP be (x1, y1), (x2, y2), (x3, y3) as shown in the figure below. Let the moving object be represented by M, and the current position be (x, y). It is also assumed that distances from the mobile entity M to the three reference points are d1, d2, and d3.

The distance between each reference point from the mobile entity M can be simply calculated by Pythagorean theorem. In other words

[Equation 1]

Figure 112017051181299-pat00001

Figure 112017051181299-pat00002

Figure 112017051181299-pat00003

. Here, the values of d1, d2, and d3 can be obtained by various methods. For example, it can be obtained by using the relationship with the intensity of the received signal, or can be obtained by using the arrival time (TOA) or the arrival time difference (TDOA).

When the values of d1, d2, and d3 are obtained by using the relationship with the intensity of the received signal, the distance between the reference points from the mobile object can be obtained through the formula of Friis.

&Quot; (2) "

Figure 112017051181299-pat00004

Where λ represents the wavelength of the wave and uses the same unit as distance d. For example, in a WLAN-based location tracking system using the 2.4 GHz band, if the loss of the signal transmitted by the mobile object is 60 dB and the propagation speed of the wireless signal in the air is 3 × 10 8 [m / sec] The distance d between

Figure 112017051181299-pat00005

. (X, y), which is the current position of the moving object, can be obtained by substituting the distance in the same manner for the remaining two reference points and substituting them into Equation (1).

When the values of d1, d2, and d3 are obtained using the arrival time (TOA), it is simpler than using the received signal strength. That is, it is only necessary to convert the distance between the time when the mobile object sends the position information and the time when the information is received at the reference point into distance, and it uses a simple physical formula of velocity = distance / time (c = d / t) Can be solved. Of course, in order to use arrival time information, the mobile entity and all reference points must be synchronized in time.

5 is a configuration diagram of an AIS signal receiving unit according to an embodiment of the present invention.

5, the AIS signal receiving unit 120 includes an AIS connector 121 and an automatic polarity converting unit 122. The AIS signal receiving unit 120 receives the AIS signal from the peripheral ship and the coast base station and transmits the AIS signal to the signal converting unit 130 do.

The AIS connector 121 corresponds to an interface wired to an AIS transponder in the AIS equipment for separately importing the AIS signal from the AIS equipment installed on the ship and can be attached to and detached from the AIS transponder constituting the AIS equipment, Periodically receives the AIS signal of the peripheral ship received from the AIS equipment and the AIS signal of the charity, and transmits the AIS signal to the automatic polarity conversion unit 122.

The automatic polarity conversion unit 122 transmits the AIS signal of the peripheral ship and the AIS signal of the charity received through the AIS connector 121 to the signal conversion unit 130. For reference, the reason why the automatic polarity conversion unit 122 is necessary is to adjust the polarity of Tx and Rx of the AIS transponder installed in the AIS equipment according to the manufacturer.

The signal converting unit 130 converts the AIS signal of the peripheral ship and the AIS signal of the charity into a Wi-Fi signal, and wirelessly transmits the signal to the Wi-Fi using antenna 140 coupled to the signal converting unit 130.

The Wi-Fi use antenna 140 wirelessly transmits the AIS signal and the position information wirelessly transmitted from the signal conversion unit 130 to the nearby portable terminal 150.

6 is a diagram illustrating an AIS signal and location information displayed on a mobile terminal according to an exemplary embodiment of the present invention.

6, the portable terminal 150 may receive the AIS signal and the location information transmitted from the Wi-Fi using antenna 140, and transmit the AIS signal and the location information to the portable terminal 150 using a predetermined application or an application installed in the portable terminal 150 150, the AIS information transmitted through the AIS signal includes information such as a name, a call sign, a ship identification number (MMS), and a latitude, a longitude, , The direction of the ship, and the speed of the ship.

7 is an exemplary diagram for transmitting and receiving a Wi-Fi signal between a ship and a ship according to another embodiment of the present invention.

7, the WiFi utilizing antenna 140 transmits the AIS signal transmitted from the signal converting unit 130 and the position information to the WiFi using antenna 140 of another ship in the vicinity of a certain distance, And transmits it wirelessly to the nearby portable terminal 150 carried by the crew member. The performance of the Wi-Fi utilizing antenna 140 is improved and the transmission / reception distance of the Wi-Fi using antenna 140 is extended more than the city center because the obstacle is less than that in the center of the city so that the Wi- The AIS signal and the position information of the charity of the portable terminal 150 carried by the crew of the ship can be directly transmitted and received and the AIS signal and the position information of other vessels in the vicinity can be confirmed through the portable terminal 150 of the crew .

Although the wireless relay system for a small ship providing the AIS and the position information using the Wi-Fi communication according to the embodiment of the present invention as described above has been described with reference to the above description and drawings, It will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

100: radio relay system 110: position detector
111: Position sensor 112: Position sensor
120: AIS signal receiving section 121: AIS connector
122: automatic polarity conversion unit 130: signal conversion unit
140: WiFi antenna 150: Mobile terminal

Claims (4)

A position detector 110 for detecting the position of the charger and transmitting the generated position information to the signal converter;
The AIS transponder may be detachably connected to an AIS transponder connected to the AIS transponder installed in the AIS equipment transmitting and receiving the AIS signal with the surrounding ship and the coast base station. The AIS transponder may periodically receive the AIS signal of the peripheral ship and the AIS signal of the charity received from the AIS transponder An AIS connector 121 for receiving and transmitting to the automatic polarity conversion unit 122; And an automatic polarity conversion unit (122) for adjusting a polarity difference between Tx and Rx of the AIS signal transmitted from the AIS connector (121), so that the AIS signal of the peripheral ship and the AIS signal of the charity from the peripheral ship and the coast base station An AIS signal receiving unit 120 for receiving and transmitting the signal to the signal converting unit;
A signal converting unit 130 for converting the position information of the charity measured by the position detecting unit 110 and the AIS signal transmitted from the AIS signal receiving unit 120 into a Wi-Fi signal;
A Wi-Fi use antenna 140 coupled to the signal conversion unit 130 and wirelessly transmitting the Wi-Fi signal;
A WiFi signal wirelessly transmitted through the Wi-Fi use antenna 140, and displays the information of the peripheral ship and the coast base station included in the AIS signal and the position information of the charity line measured by the position detection unit 110 to the user And a terminal (150) for receiving the AIS and the location information. The wireless relay system for a small ship providing AIS and location information using WiFi communication.
The method according to claim 1,
The position detecting unit includes three position sensors 111 installed in a charger for detecting the position of the charger; And
And a position measuring unit (112) for measuring the real time position of the current charity line using triangulation method from the position information of the three charities measured by the three position sensors (111) and generating position information of the charity line AIS (Radio Frequency Identification) system using Wi - Fi communication.
3. The method of claim 2,
The position sensor 111 may be a combination using three identical types of DGPS, GPS, RTK (Real-Time Kinematic) GPS, or a combination using two of the same type and one using different types or a combination of three types AIS (Radio Frequency Identification) system using Wi - Fi communication and wireless relay system for small marine vessel that provides location information.
4. The method according to any one of claims 1 to 3,
The AIS signal and the position information of the charity can be transmitted and received between the vessels having a predetermined distance by using the Wi-Fi utilizing antenna 140 or can be transmitted to the portable terminal 150 of another vessel having a predetermined distance. AIS (Radio Frequency Identification) System and Location Information.
KR1020170066288A 2017-05-29 2017-05-29 Wireless Repeater System for Small Sized Vessel for Providing AIS and Location Information Using Wi-Fi KR101866283B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020170066288A KR101866283B1 (en) 2017-05-29 2017-05-29 Wireless Repeater System for Small Sized Vessel for Providing AIS and Location Information Using Wi-Fi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020170066288A KR101866283B1 (en) 2017-05-29 2017-05-29 Wireless Repeater System for Small Sized Vessel for Providing AIS and Location Information Using Wi-Fi

Publications (1)

Publication Number Publication Date
KR101866283B1 true KR101866283B1 (en) 2018-06-12

Family

ID=62622484

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020170066288A KR101866283B1 (en) 2017-05-29 2017-05-29 Wireless Repeater System for Small Sized Vessel for Providing AIS and Location Information Using Wi-Fi

Country Status (1)

Country Link
KR (1) KR101866283B1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109191914A (en) * 2018-11-05 2019-01-11 福建师范大学 A kind of cruiseway ais signal monitoring system and monitoring device and monitoring method
CN109245824A (en) * 2018-11-21 2019-01-18 泰州市柯普尼通讯设备有限公司 Overocean communications system based on Lifi technology
KR20200127441A (en) * 2019-05-02 2020-11-11 주식회사 랩피스 Mobile phone localization system and method
CN113068157A (en) * 2021-02-02 2021-07-02 浙江嘉蓝海洋电子有限公司 Point-to-point communication method with high transmission stability between coasts
CN114124255A (en) * 2021-11-29 2022-03-01 忆伯网络科技(上海)股份有限公司 System and method for estimating fading characteristics of wireless communication channel by using AIS (automatic identification system) signal

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020033064A (en) * 2000-10-27 2002-05-04 요코미죠 히로시 Above deck unit for automatic identification system
KR100687277B1 (en) 2005-03-14 2007-02-27 삼영이엔씨 (주) Automatic Identification System built in Electronic Chart
KR20090131161A (en) * 2008-06-17 2009-12-28 한국해양연구원 Vessel identification system interoperable with heterogenous wireless communication terminals
KR101042695B1 (en) 2010-11-19 2011-06-20 (주) 장산아이티 Automatic identification system for small craft

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020033064A (en) * 2000-10-27 2002-05-04 요코미죠 히로시 Above deck unit for automatic identification system
KR100687277B1 (en) 2005-03-14 2007-02-27 삼영이엔씨 (주) Automatic Identification System built in Electronic Chart
KR20090131161A (en) * 2008-06-17 2009-12-28 한국해양연구원 Vessel identification system interoperable with heterogenous wireless communication terminals
KR101042695B1 (en) 2010-11-19 2011-06-20 (주) 장산아이티 Automatic identification system for small craft

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109191914A (en) * 2018-11-05 2019-01-11 福建师范大学 A kind of cruiseway ais signal monitoring system and monitoring device and monitoring method
CN109191914B (en) * 2018-11-05 2023-09-12 福建师范大学 Inland waterway AIS signal monitoring system, monitoring device and monitoring method
CN109245824A (en) * 2018-11-21 2019-01-18 泰州市柯普尼通讯设备有限公司 Overocean communications system based on Lifi technology
KR20200127441A (en) * 2019-05-02 2020-11-11 주식회사 랩피스 Mobile phone localization system and method
KR102265606B1 (en) * 2019-05-02 2021-06-16 주식회사 랩피스 Mobile phone localization system and method
CN113068157A (en) * 2021-02-02 2021-07-02 浙江嘉蓝海洋电子有限公司 Point-to-point communication method with high transmission stability between coasts
CN113068157B (en) * 2021-02-02 2022-08-23 浙江嘉蓝海洋电子有限公司 Point-to-point communication method with high transmission stability between coasts
CN114124255A (en) * 2021-11-29 2022-03-01 忆伯网络科技(上海)股份有限公司 System and method for estimating fading characteristics of wireless communication channel by using AIS (automatic identification system) signal
CN114124255B (en) * 2021-11-29 2024-01-30 忆伯网络科技(上海)股份有限公司 System and method for estimating fading characteristics of wireless communication channel by using AIS signal

Similar Documents

Publication Publication Date Title
KR101866283B1 (en) Wireless Repeater System for Small Sized Vessel for Providing AIS and Location Information Using Wi-Fi
US11686879B2 (en) Distributed weather monitoring system
KR102090087B1 (en) A system for monitoring a maritime environment
US8674853B2 (en) System and method for automatic distress at sea
KR101131944B1 (en) Vessel traffic system
US20090040108A1 (en) Determining Precise Direction and Distance to a Satellite Radio Beacon
KR20130121744A (en) Device and method for displaying information
EP0544830A1 (en) A universal dynamic navigation, surveillance, emergency location, and collision avoidance system and method
KR101360912B1 (en) Radar apparatus for marine, monitoring system of ship and method using the same
KR100404428B1 (en) Artificial Intelligence Type Warning System at Sea Disaster
KR20180042655A (en) Ship emergency response system
KR100981990B1 (en) A safety management equipment by the location and the trace deduction of coast vessel using microwave buoy and method thereof
WO2011027032A1 (en) Arrangement and method for providing navigational information to electronic chart systems for visualization
KR101932119B1 (en) A Pseudo AIS system based on smart device
KR102283968B1 (en) System and method for generating and sharing visibility observation information based on image learning
WO2014020932A1 (en) Navigation device
CN116734842A (en) Method, device, equipment and medium for displaying positioning result of emergency articles in ship
JP4550568B2 (en) Ship operation management method and apparatus
KR101164712B1 (en) System and method for pursuit a lost child
KR101592261B1 (en) The safe navigation system for vessels linked to wireless communication terminals and services using smart devices
KR20150059259A (en) 3D model-based marine traffic control device
EP3707524B1 (en) Transmission detection using line of sight
KR20140040967A (en) Maritime rescue system and method
JPH0727570A (en) Vessel traffic service system
US11735054B1 (en) Smartphone marine vessel location and collision avoidance system and methods of use

Legal Events

Date Code Title Description
E701 Decision to grant or registration of patent right
GRNT Written decision to grant