JP2016122891A - Radio communication system and relay communication buoy - Google Patents

Radio communication system and relay communication buoy Download PDF

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JP2016122891A
JP2016122891A JP2014260453A JP2014260453A JP2016122891A JP 2016122891 A JP2016122891 A JP 2016122891A JP 2014260453 A JP2014260453 A JP 2014260453A JP 2014260453 A JP2014260453 A JP 2014260453A JP 2016122891 A JP2016122891 A JP 2016122891A
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communication
buoy
relay
underwater
communication device
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悟 土井
Satoru Doi
悟 土井
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Hitachi Kokusai Electric Inc
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Abstract

PROBLEM TO BE SOLVED: To allow a relay communication buoy to perform both-way communication between an on-water communication device and an underwater communication device.SOLUTION: A relay communication buoy of the present invention relays communication between an on-water communication device and an underwater communication device. The relay communication buoy at least includes a control unit, a modulation/demodulation unit, a transmission/reception device, an underwater communication transmission/reception device, an on-water transmission/reception antenna, and an underwater transmission/reception antenna.SELECTED DRAWING: Figure 3

Description

本発明は、無線通信システム及び中継用通信ブイに関するものである。   The present invention relates to a wireless communication system and a relay communication buoy.

従来の通信ブイは、船舶等が遭難した際の救難用信号の送信や漁業用に、水中にいる物体（魚群）等を捜索するための通信ブイ等の片方向の通信が多く、水中と水上間を双方向で通信することはできなかった。   Conventional communication buoys often have one-way communication such as communication buoys for searching for underwater objects (fish school), etc. Communication between the two was not possible.

図４は、従来の通信用ブイの使用状況に関する概念図である。
従来の通信用ブイ４００は送信用アンテナ４０１を含んで構成されている。
通信用ブイ４００は、魚群探知機や電源などを含んでいる。
送信用アンテナ４０１は、図示しない地上の設備局との間で通信を行うためのアンテナである。 FIG. 4 is a conceptual diagram relating to the use status of a conventional communication buoy.
A conventional communication buoy 400 includes a transmitting antenna 401.
The communication buoy 400 includes a fish finder, a power source, and the like.
The transmitting antenna 401 is an antenna for performing communication with a ground facility station (not shown).

先行技術文献としては、例えば、特許文献１に、水中で発生した大量のデータを水上に伝送できるようにした通信用ブイ及び通信システムの技術が開示されている。   As a prior art document, for example, Patent Literature 1 discloses a communication buoy and a communication system technology that can transmit a large amount of data generated in water to the water.

特開２０１２−１９７０６４号公報JP 2012-197064 A

本発明の目的は、中継用通信ブイにより、水上の通信機と水中の通信機の間で双方向通信を行うことである。   An object of the present invention is to perform bi-directional communication between a waterborne communication device and an underwater communication device using a relay communication buoy.

本発明の中継用通信ブイは、水上の通信機と水中の通信機の中継を行う中継用通信ブイであって、中継用通信ブイは少なくとも制御部と、変復調部と、送受信機と、水中通信用送受信機と、水上用送受信アンテナと、水中用送受信アンテナを有することを特徴とする。   The relay communication buoy according to the present invention is a relay communication buoy that relays between a water communication device and an underwater communication device, and the relay communication buoy includes at least a control unit, a modem unit, a transceiver, and an underwater communication. A transmitter / receiver for water, a transmitter / receiver antenna for water, and a transmitter / receiver antenna for underwater.

また、本発明の中継用通信ブイは、上述の中継用通信ブイであって、さらに魚群探知機を有することを特徴とする。   A relay communication buoy according to the present invention is the relay communication buoy described above, and further includes a fish finder.

さらに、本発明の無線通信システムは、水上の通信機と水中の通信機の中継を行う中継用通信ブイを有する無線通信システムであって、中継用通信ブイは水上の通信機および水中の通信機と双方向通信を行うことを特徴とする。   Further, the wireless communication system of the present invention is a wireless communication system having a relay communication buoy for relaying a water communication device and an underwater communication device, the relay communication buoy being a water communication device and an underwater communication device. And bi-directional communication.

本発明によれば、中継用通信ブイにより、水上の通信機と水中の通信機の間で双方向通信ができる。   According to the present invention, bidirectional communication can be performed between a communication device on the water and an underwater communication device by the relay communication buoy.

本発明の一実施例に係る無線通信システムの運用プロセスを表す概念図である。It is a conceptual diagram showing the operation process of the radio | wireless communications system which concerns on one Example of this invention. 本発明の一実施例に係る中継用通信ブイの使用状況に関する概念図である。It is a conceptual diagram regarding the use condition of the communication buoy for relay based on one Example of this invention. 本発明の一実施例に係る無線通信システムの中継用通信ブイの構成を表すブロック図である。It is a block diagram showing the structure of the communication buoy for relay of the radio | wireless communications system which concerns on one Example of this invention. 従来の中継用通信ブイの使用状況に関する概念図である。It is a conceptual diagram regarding the use condition of the conventional communication buoy for relay.

以下、本発明の一実施形態について図面を用いて説明する。
図１は本発明の一実施例に係る無線通信システムの運用プロセスを表す概念図である。
図１において、中継用通信ブイ１００は海面に浮揚している。 Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a conceptual diagram showing an operation process of a wireless communication system according to an embodiment of the present invention.
In FIG. 1, the relay communication buoy 100 floats on the sea surface.

中継用通信ブイ１００は、水上のＧＰＳ（Global Positioning System）衛星１０２から送信されるＧＰＳ信号を受信して自身の位置情報を取得する。
また、中継用通信ブイ１００は、水上の陸上通信施設１０３、船舶１０４に搭載の通信機、航空機１０５に搭載の通信機と双方向通信を行う。 The relay communication buoy 100 receives a GPS signal transmitted from a global GPS (Global Positioning System) satellite 102 and acquires its own position information.
Further, the relay communication buoy 100 performs two-way communication with the on-shore communication facility 103, the communication device mounted on the ship 104, and the communication device mounted on the aircraft 105.

中継用通信ブイ１００は、水中の潜水艇１０１に搭載の通信機、潜水士１０６が携帯している通信機と双方向通信を行う。
また、中継用通信ブイ１００は、魚群探知機等も搭載している。 The relay communication buoy 100 performs bidirectional communication with a communication device mounted on the submersible 101 in the water and a communication device carried by the diver 106.
The relay communication buoy 100 is also equipped with a fish finder and the like.

中継用通信ブイ１００は、水上の通信機と水中の通信機を中継するための機能を有している。
なお、送受信する音声及び各種データは暗号化されている。 The relay communication buoy 100 has a function for relaying a water communication device and a water communication device.
Note that voice and various data to be transmitted and received are encrypted.

次に、本発明の一実施例に係る中継用通信ブイの使用状況について説明する。
図２は本発明の一実施例に係る中継用通信ブイの使用状況に関する概念図である。
図２において、中継用通信ブイ１００は、水上用送受信アンテナ２０１を介して水上の通信機と双方向通信を行う。
水上用送受信アンテナ２０１は、水中の情報（潜水艇、潜水士、魚群等の移動体からの情報）及び通信ブイの位置情報を船舶、航空機、陸上へ送信することができる。
また、水上用送受信アンテナ２０１は、陸上通信施設をはじめ、船舶、航空機からの情報及び通信ブイの位置情報を潜水艇や潜水士へ送信することができる。 Next, the use situation of the relay communication buoy according to one embodiment of the present invention will be described.
FIG. 2 is a conceptual diagram relating to the use status of the relay communication buoy according to one embodiment of the present invention.
In FIG. 2, the relay communication buoy 100 performs two-way communication with a water communication device via a water transmission / reception antenna 201.
The water transmitting / receiving antenna 201 can transmit underwater information (information from a moving body such as a submersible, a diver, and a school of fish) and position information of a communication buoy to a ship, an aircraft, and land.
Moreover, the water transmitting / receiving antenna 201 can transmit information from a land communication facility, a ship, an aircraft, and position information of a communication buoy to a submarine or a diver.

中継用通信ブイ１００は、水中用送受信アンテナ２０２を介して水中の通信機と双方向通信を行う。
水中用送受信アンテナ２０２は、水上（陸上通信施設をはじめ、船舶、航空機）からの情報及び通信ブイの位置情報を潜水艇、潜水士へ送信することができる。
また、水中用送受信アンテナ２０２は、水上からの情報及び通信ブイの位置情報を潜水艇、潜水士へ送信することができる。 The relay communication buoy 100 performs bidirectional communication with the underwater communication device via the underwater transmission / reception antenna 202.
The underwater transmitting / receiving antenna 202 can transmit information from the surface (land communication facilities, ships, aircraft) and communication buoy position information to submersibles and divers.
The underwater transmitting / receiving antenna 202 can transmit information from the water and position information of the communication buoy to the submersible craft and the diver.

次に、本発明の一実施例である中継用通信ブイの動作について、図３を用いて説明する。
図３は本発明の一実施例に係る無線通信システムの中継用通信ブイの構成を表すブロック図である。
図３において、中継用通信ブイ１００は、水上用送受信アンテナ２０１、水中用送受信アンテナ２０２、ＧＰＳアンテナ２０３、電池３０１、電源３０２、ＧＰＳ受信機３０３、制御部３０４、変復調器３０５、送受信機３０６、整合器３０７、水中通信用送受信機３０８、シンセサイザ３０９で構成されている。 Next, the operation of the relay communication buoy according to the embodiment of the present invention will be described with reference to FIG.
FIG. 3 is a block diagram showing the configuration of the relay communication buoy in the wireless communication system according to one embodiment of the present invention.
In FIG. 3, a relay communication buoy 100 includes a water transmitting / receiving antenna 201, an underwater transmitting / receiving antenna 202, a GPS antenna 203, a battery 301, a power supply 302, a GPS receiver 303, a control unit 304, a modulator / demodulator 305, a transmitter / receiver 306, It comprises a matching unit 307, an underwater communication transceiver 308, and a synthesizer 309.

電池３０１は、各構成要素を動作させるための電圧を供給する電池である。
電源３０２は、電池の供給する電圧を一定に保つための定電圧回路である。
ＧＰＳ受信機３０３は、ＧＰＳアンテナ２０３経由で受信されるＧＰＳ衛星から送信される電波の遅延を元に位置情報を取得するための位置情報取得部である。
なお、位置が特定できれば、ＧＰＳに拘る必要は無い。他の位置特定システムを、ＧＰ
Ｓ受信機３０３に置き換えても本発明の実施の妨げとはならない。 The battery 301 is a battery that supplies a voltage for operating each component.
The power supply 302 is a constant voltage circuit for keeping the voltage supplied by the battery constant.
The GPS receiver 303 is a position information acquisition unit for acquiring position information based on the delay of radio waves transmitted from GPS satellites received via the GPS antenna 203.
If the position can be specified, there is no need to be concerned with GPS. Another location system, GP
Replacement with the S receiver 303 does not hinder the implementation of the present invention.

制御部（ＣＰＵ、Central Processing Unit）３０４は、図示していない記憶部に記録されたプログラムに基づき、通信用ブイ１００内の処理を行う制御部である。
変復調器３０５は、制御部３０４の制御に基づき、送受信機３０５と中継用送受信機３０８の送信データまたは受信データの変調または復調を行うものである。 A control unit (CPU, Central Processing Unit) 304 is a control unit that performs processing in the communication buoy 100 based on a program recorded in a storage unit (not shown).
The modem 305 modulates or demodulates transmission data or reception data of the transceiver 305 and the relay transceiver 308 based on the control of the control unit 304.

送受信機３０５は、水上の通信機と水上用送受信アンテナ２１０を介して送受信信号（データ）の送受を行うものである。
水中通信用送受信機３０８は、水中の通信機と水中用送受信アンテナ２０２を介して送受信信号（データ）の送受を行うものである。
整合器３０７は、送受信信号の整合を取るものである。
シンセサイザ３０９は、送受信機３０５および水中通信用送受信機３０８がベースバンド周波数を伝送路周波数に変換する際にミキサが用いる信号を生成するＰＬＬ（Phase Locked Loop）回路である。 The transmitter / receiver 305 transmits / receives transmission / reception signals (data) via the water communication device and the water transmission / reception antenna 210.
The underwater communication transmitter / receiver 308 transmits and receives transmission / reception signals (data) via the underwater communication device and the underwater transmission / reception antenna 202.
The matching unit 307 is for matching transmission / reception signals.
The synthesizer 309 is a PLL (Phase Locked Loop) circuit that generates a signal used by the mixer when the transmitter / receiver 305 and the transmitter / receiver for underwater communication 308 convert the baseband frequency to the transmission line frequency.

中継用通信ブイ１００は、水中の水圧に十分耐えられる構造になっており、船舶又は航空機から海上に展開するようになっている。
また、通信時のデータの誤り率を低減させるため、情報データを再送信する機能を有しており、海上の波等で信号が減衰してもデータの再送及び符号誤り訂正機能により、データの信頼性を大幅に向上させることが可能になっている。
中継用通信ブイ１００と陸上の通信施設、船舶、航空機との通信には、例えば、ＶＨＦ（Very High Frequency）帯にて通信を行い、水中の通信には１００ｋｍ以上の長距離通信が可能となる位相共役通信方式を用いる。 The relay communication buoy 100 has a structure that can sufficiently withstand water pressure in water, and is deployed from a ship or an aircraft to the sea.
In addition, in order to reduce the error rate of data during communication, it has a function of retransmitting information data. Reliability can be greatly improved.
For communication between the relay communication buoy 100 and land communication facilities, ships, and aircraft, for example, communication is performed in the VHF (Very High Frequency) band, and long-distance communication of 100 km or more is possible for underwater communication. A phase conjugate communication method is used.

本発明の実施形態である無線通信システムは、中継用通信ブイにより、水上の通信機と水中の通信機の間で双方向通信ができる。   The wireless communication system according to the embodiment of the present invention can perform bidirectional communication between a communication device on the water and a communication device in the water using the relay communication buoy.

以上本発明について詳細に説明したが、本発明は、ここに記載された無線通信システム及び中継用通信ブイに限定されるものではなく、上記以外の無線通信システム及び中継用通信ブイに広く適用することができることは言うまでもない。   Although the present invention has been described in detail above, the present invention is not limited to the wireless communication system and the relay communication buoy described herein, and is widely applied to other wireless communication systems and relay communication buoys. It goes without saying that it can be done.

１００：中継用通信ブイ、１０１：潜水艇、１０２：ＧＰＳ衛星、１０３：陸上通信施設、１０４：船舶、１０５：航空機、１０６：潜水士、２０１：水上用送受信アンテナ、２０２：水中用送受信アンテナ、２０３：ＧＰＳアンテナ、３０１：電池、３０２：電源、３０３：ＧＰＳ受信機、３０４：制御部、３０５：変復調器、３０６：送受信機、３０７：整合器、３０８：水中通信用送受信機、３０９：シンセサイザ、４００：通信用ブイ、４０１：送信用アンテナ。   100: Relay communication buoy, 101: Submarine, 102: GPS satellite, 103: Land communication facility, 104: Ship, 105: Aircraft, 106: Diver, 201: Transmit / receive antenna for water, 202: Transmit / receive antenna for underwater, 203: GPS antenna, 301: battery, 302: power supply, 303: GPS receiver, 304: control unit, 305: modem, 306: transceiver, 307: matching unit, 308: transceiver for underwater communication, 309: synthesizer 400: Communication buoy, 401: Transmitting antenna.

Claims (3)

水上の通信機と水中の通信機の中継を行う中継用通信ブイにおいて、
中継用通信ブイは、少なくとも制御部と、変復調部と、送受信機と、水中通信用送受信機と、水上用送受信アンテナと、水中用送受信アンテナを有することを特徴とする中継用通信ブイ。 In a relay communication buoy that relays an underwater communication device and an underwater communication device,
The relay communication buoy includes at least a control unit, a modulation / demodulation unit, a transmitter / receiver, an underwater communication transmitter / receiver, a water transmission / reception antenna, and an underwater transmission / reception antenna. 請求項１に記載の中継用通信ブイにおいて、
さらに魚群探知機を有することを特徴とする中継用通信ブイ。 The relay communication buoy according to claim 1,
A relay communication buoy further comprising a fish finder. 水上の通信機と水中の通信機の中継を行う中継用通信ブイを有する無線通信システムにおいて、
前記中継用通信ブイは、前記水上の通信機および前記水中の通信機と双方向通信を行うことを特徴とする無線通信システム。 In a wireless communication system having a communication buoy for relay that relays an underwater communication device and an underwater communication device,
The wireless communication system, wherein the relay communication buoy performs two-way communication with the underwater communication device and the underwater communication device.
JP2014260453A 2014-12-24 2014-12-24 Radio communication system and relay communication buoy Pending JP2016122891A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200106329A (en) * 2019-03-04 2020-09-14 박지현 Underwater environmental monitoring system
IT202100024854A1 (en) * 2021-09-28 2023-03-28 Giuseppe Vullo MARINE COMMUNICATION AND SECURITY SYSTEM

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200106329A (en) * 2019-03-04 2020-09-14 박지현 Underwater environmental monitoring system
KR102167652B1 (en) * 2019-03-04 2020-10-19 박지현 Underwater environmental monitoring system
IT202100024854A1 (en) * 2021-09-28 2023-03-28 Giuseppe Vullo MARINE COMMUNICATION AND SECURITY SYSTEM

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