JPH05249216A - Data link system - Google Patents
Data link systemInfo
- Publication number
- JPH05249216A JPH05249216A JP1803392A JP1803392A JPH05249216A JP H05249216 A JPH05249216 A JP H05249216A JP 1803392 A JP1803392 A JP 1803392A JP 1803392 A JP1803392 A JP 1803392A JP H05249216 A JPH05249216 A JP H05249216A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- ground
- data link
- platform
- transmission
- 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
Landscapes
- Radar Systems Or Details Thereof (AREA)
- Selective Calling Equipment (AREA)
- Radio Relay Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はデータリンクシステムに
関し、特に飛行体（ヘリコプタなど）を介し無線中継し
て構成されるデータリンクシステムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data link system, and more particularly to a data link system constructed by wirelessly relaying an air vehicle (a helicopter or the like).
【０００２】[0002]
【従来の技術】従来のこの種のデータリンクシステムで
は、図２に示すように、飛行体のプラットフォーム１に
中継器２を設け、これに無指向性の機上受信アンテナ
３、機上送信アンテナ４を接続して、地上の２地点間の
無線中継を行なう。地上の２地点では、プラットフォー
ム１を見ながら、又はプラットフォーム１の位置を推定
しながら、地上送信アンテナ６Ａと地上受信アンテナ６
Ｂとをプラットフォーム１の方向に向けて、データリン
クを確保するようにしている。2. Description of the Related Art In a conventional data link system of this type, as shown in FIG. 2, a repeater 2 is provided on a platform 1 of an aircraft, and an omnidirectional on-board receiving antenna 3 and an on-board transmitting antenna are provided on the repeater 2. 4 is connected to perform wireless relay between two points on the ground. At two points on the ground, while looking at the platform 1 or estimating the position of the platform 1, the ground transmitting antenna 6A and the ground receiving antenna 6
The data link is secured by directing B and B toward the platform 1.
【０００３】[0003]
【発明が解決しようとする課題】この従来のデータリン
クシステムでは、プラットフォーム１に無指向性アンテ
ナを搭載しているので、中継器２には高感度，高出力の
ものが必要であり、かつ通信の秘匿性が悪く、更にデー
タリンクが切れやすいという問題点がある。In this conventional data link system, since the platform 1 is equipped with the omnidirectional antenna, the repeater 2 is required to have high sensitivity and high output, and to communicate. However, there is a problem that the confidentiality of the data is poor and the data link is easily broken.
【０００４】[0004]
【課題を解決するための手段】本発明のシステムは、空
中の飛行体に設けた受信アンテナおよび送信アンテナを
介し、地上の送信アンテナおよび受信アンテナの２地点
間で無線中継するデータリンクシステムにおいて、前記
飛行体の前記受信アンテナおよび前記送信アンテナ、な
らびに前記地上の前記送信アンテナおよび前記受信アン
テナに有指向性アンテナを使用し、前記地上にて前記飛
行体の位置を標定しその結果に応じて前記有指向性アン
テナの向きを最適制御する標定および駆動制御手段を備
えている。A system of the present invention is a data link system for wirelessly relaying between two points, a transmitting antenna and a receiving antenna on the ground, via a receiving antenna and a transmitting antenna provided in an air vehicle. A directional antenna is used for the receiving antenna and the transmitting antenna of the flying object, and the transmitting antenna and the receiving antenna on the ground, and the position of the flying object is located on the ground and the position is determined according to the result. It is provided with orientation and drive control means for optimally controlling the direction of the directional antenna.
【０００５】[0005]
【実施例】次に、本発明について図面を参照して説明す
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to the drawings.
【０００６】図１は本発明の一実施例のブロック図であ
り、２地点間を空中のプラットフォーム１に搭載した中
継器２を介して無線通信回線で結ぶデータリンクシステ
ムである。送信地点の地上システムは、地上送信アンテ
ナ６Ａ，地上アンテナ駆動部５Ａ，送信部８Ａ，標定部
１３，地上制御部１５Ａから構成される。プラットフォ
ーム１上には機上受信アンテナ１０，機上送信アンテナ
１１，機上アンテナ駆動部９，機上制御部１４，中継器
２が搭載されている。受信地点の地上システムは、地上
受信アンテナ６Ｂ，地上アンテナ駆動部５Ｂ，受信部８
Ｂ，地上制御部１５Ｂから構成される。送信地点の標定
部１３は、プラットフォーム１を追跡し、その位置（高
度を含む）を標定する。FIG. 1 is a block diagram of an embodiment of the present invention, which is a data link system for connecting two points by a wireless communication line via a repeater 2 mounted on an aerial platform 1. The ground system at the transmission point includes a ground transmission antenna 6A, a ground antenna drive unit 5A, a transmission unit 8A, an orientation unit 13, and a ground control unit 15A. An on-board receiving antenna 10, an on-board transmitting antenna 11, an on-board antenna driving section 9, an on-board control section 14, and a repeater 2 are mounted on the platform 1. The ground system at the receiving point includes a ground receiving antenna 6B, a ground antenna driving unit 5B, and a receiving unit 8.
B, the ground control unit 15B. The locator unit 13 at the transmission point tracks the platform 1 and locates its position (including altitude).
【０００７】送信および受信の両地点の位置は固定され
ており、その位置情報は、送信地点にある地上制御部１
５Ａに予め入力されている。地上制御部１５Ａでは、標
定部１３でのプラットフォーム１の位置標定結果に応じ
て、送信点の地上送信アンテナ６Ａ，プラットフォーム
１上の機上受信アンテナ１０および機上送信アンテナ１
１，受信地点の地上受信アンテナ６Ｂの最適な向きを計
算し、その計算結果の情報をプラットフォーム１と受信
地点とに伝える。この情報をもとに各アンテナ駆動部を
駆動し、地上送信アンテナ６Ａをプラットフォーム１の
方向に、機上受信アンテナ１０を送信地点の方向に、機
上送信アンテナ１１を受信地点の方向に、地上受信アン
テナ６Ｂをプラットフォーム１の方向に、それぞれ向け
る。The positions of both the transmitting and receiving points are fixed, and the position information is the ground control unit 1 at the transmitting point.
5A is input in advance. In the ground control unit 15A, the ground transmission antenna 6A at the transmission point, the on-board reception antenna 10 on the platform 1 and the on-board transmission antenna 1 according to the position locating result of the platform 1 by the locating unit 13
1. Calculate the optimum orientation of the terrestrial receiving antenna 6B at the receiving point, and inform the platform 1 and the receiving point of the information of the calculation result. Based on this information, each antenna driving unit is driven, and the ground transmitting antenna 6A is directed toward the platform 1, the onboard receiving antenna 10 is directed toward the transmitting point, the onboard transmitting antenna 11 is directed toward the receiving point, and the ground is transmitted. The receiving antennas 6B are directed toward the platform 1, respectively.
【０００８】地上送信アンテナ６Ａ、地上受信アンテナ
６Ｂ、機上受信アンテナ１０、ならびに機上送信アンテ
ナ１１にはいずれも、有指向性アンテナを使用し、上述
のアンテナ向きの駆動制御により、両地点間の回線利得
をほぼ最大値に保持できる。A directional antenna is used for each of the terrestrial transmitting antenna 6A, the terrestrial receiving antenna 6B, the onboard receiving antenna 10 and the onboard transmitting antenna 11, and the directional antenna is used to control between the two points by the drive control in the above antenna direction. The line gain of can be maintained at almost the maximum value.
【０００９】[0009]
【発明の効果】以上説明したように本発明によれば、地
上にてプラットフォームの位置を標定した結果に応じて
飛行体上および地上アンテナの向きを制御することによ
り、すべてのアンテナに指向性アンテナを使用して回線
利得を従来よりも向上でき、中継器の送受信機に比較的
低感度，低出力のものを使用でき、かつ通信の秘匿性を
向上させ、更に安定した信頼性の高いデータリンクが得
られる。As described above, according to the present invention, the directional antennas are provided to all the antennas by controlling the orientations of the antennas on the flight vehicle and on the ground according to the result of locating the platform on the ground. , The line gain can be improved more than before, and the transmitter / receiver of the repeater can be used with relatively low sensitivity and low output, and the confidentiality of communication can be improved, and the data link is more stable and reliable. Is obtained.
【図１】本発明の実施例のブロック図である。FIG. 1 is a block diagram of an embodiment of the present invention.
【図２】従来システムのブロック図である。FIG. 2 is a block diagram of a conventional system.
１ プラットフォーム ２ 中継器 ３，１０ 機上受信アンテナ ４，１１ 機上送信アンテナ ５Ａ，５Ｂ 地上アンテナ駆動部 ６Ａ 地上送信アンテナ ６Ｂ 地上受信アンテナ ８Ａ 送信部 ８Ｂ 受信部 ９ 機上アンテナ駆動部 １３ 標定部 １４ 機上制御部 １５Ａ，１５Ｂ 地上制御部 1 platform 2 repeater 3,10 onboard receiving antenna 4,11 onboard transmitting antenna 5A, 5B ground antenna driving section 6A ground transmitting antenna 6B ground receiving antenna 8A transmitting section 8B receiving section 9 onboard antenna driving section 13 positioning section 14 Onboard control unit 15A, 15B Ground control unit
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 // Ｇ０１Ｓ 13/66 7015−5Ｊ Ｈ０４Ｑ 9/02 Ｚ 7170−5Ｋ ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 5 Identification number Office reference number FI technical display location // G01S 13/66 7015-5J H04Q 9/02 Z 7170-5K
Claims (1)
び送信アンテナを介し、地上の送信アンテナおよび受信
アンテナの２地点間で無線中継するデータリンクシステ
ムにおいて、 前記飛行体の前記受信アンテナおよび前記送信アンテ
ナ、ならびに前記地上の前記送信アンテナおよび前記受
信アンテナに有指向性アンテナを使用し、前記地上にて
前記飛行体の位置を標定しその結果に応じて前記有指向
性アンテナの向きを最適制御する標定および駆動制御手
段を備えていることを特徴とするデータリンクシステ
ム。1. A data link system for wirelessly relaying between a ground transmission antenna and a reception antenna via a reception antenna and a transmission antenna provided on an air vehicle, the reception antenna and the transmission of the air vehicle. An directional antenna is used for the antenna and the transmitting antenna and the receiving antenna on the ground, the position of the flying object is located on the ground, and the direction of the directional antenna is optimally controlled according to the result. A data link system comprising orientation and drive control means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1803392A JPH05249216A (en) | 1992-02-04 | 1992-02-04 | Data link system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1803392A JPH05249216A (en) | 1992-02-04 | 1992-02-04 | Data link system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05249216A true JPH05249216A (en) | 1993-09-28 |
Family
ID=11960360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1803392A Pending JPH05249216A (en) | 1992-02-04 | 1992-02-04 | Data link system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05249216A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000056014A (en) * | 1998-08-04 | 2000-02-25 | Meisei Electric Co Ltd | Missile measuring/evaluating device |
| JP2000056013A (en) * | 1998-08-04 | 2000-02-25 | Meisei Electric Co Ltd | Missile measuring/evaluating method |
| JP2002152191A (en) * | 2000-08-30 | 2002-05-24 | Matsushita Electric Ind Co Ltd | Data transmitting device, and system and method for radio communication |
| JP2007235649A (en) * | 2006-03-02 | 2007-09-13 | Nec Corp | Drive controller and driving control method of data relay antenna |
| JP2009294911A (en) * | 2008-06-05 | 2009-12-17 | Nippon Telegr & Teleph Corp <Ntt> | Monitor information gathering terminal and measuring device, and facility maintenance check system |
| EP3653990A1 (en) * | 2010-07-07 | 2020-05-20 | Pictometry International Corp. | Real-time moving platform management system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62178072A (en) * | 1986-01-31 | 1987-08-05 | Nippon Telegr & Teleph Corp <Ntt> | Mail destination recognizing system |
-
1992
- 1992-02-04 JP JP1803392A patent/JPH05249216A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62178072A (en) * | 1986-01-31 | 1987-08-05 | Nippon Telegr & Teleph Corp <Ntt> | Mail destination recognizing system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000056014A (en) * | 1998-08-04 | 2000-02-25 | Meisei Electric Co Ltd | Missile measuring/evaluating device |
| JP2000056013A (en) * | 1998-08-04 | 2000-02-25 | Meisei Electric Co Ltd | Missile measuring/evaluating method |
| JP2002152191A (en) * | 2000-08-30 | 2002-05-24 | Matsushita Electric Ind Co Ltd | Data transmitting device, and system and method for radio communication |
| JP2007235649A (en) * | 2006-03-02 | 2007-09-13 | Nec Corp | Drive controller and driving control method of data relay antenna |
| JP2009294911A (en) * | 2008-06-05 | 2009-12-17 | Nippon Telegr & Teleph Corp <Ntt> | Monitor information gathering terminal and measuring device, and facility maintenance check system |
| EP3653990A1 (en) * | 2010-07-07 | 2020-05-20 | Pictometry International Corp. | Real-time moving platform management system |
| US11483518B2 (en) | 2010-07-07 | 2022-10-25 | Pictometry International Corp. | Real-time moving platform management system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19981222 |