JP2002260172A - Road side-vehicle communication system - Google Patents
Road side-vehicle communication systemInfo
- Publication number
- JP2002260172A JP2002260172A JP2001060825A JP2001060825A JP2002260172A JP 2002260172 A JP2002260172 A JP 2002260172A JP 2001060825 A JP2001060825 A JP 2001060825A JP 2001060825 A JP2001060825 A JP 2001060825A JP 2002260172 A JP2002260172 A JP 2002260172A
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- communication device
- roadside communication
- service
- information
- 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.)
- Granted
Links
Landscapes
- Traffic Control Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、カーブ等の見通し
不良地点において道路上の故障車両、落下物等の障害物
または対向車を検知し車両のドライバに通知するために
車両への情報を伝達する際の路車間通信方式に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention transmits information to a vehicle in order to detect a faulty vehicle on the road, an obstacle such as a falling object, or an oncoming vehicle at a poor visibility point such as a curve and notify the driver of the vehicle. The present invention relates to a road-to-vehicle communication system when performing the communication.
【０００２】[0002]
【従来の技術】従来、サービスレベルの異なる複数の路
側通信装置からの情報を選択するためには、ドライバが
車載装置の無線機のチャンネル選択を手動により行うこ
とや、複数の路側通信装置に対応した複数の車載装置を
使用する必要があった。2. Description of the Related Art Conventionally, in order to select information from a plurality of roadside communication devices having different service levels, a driver has to manually select a channel of a wireless device of an in-vehicle device, or has to cope with a plurality of roadside communication devices. It was necessary to use a plurality of in-vehicle devices.
【０００３】上記のような従来のシステムでは、ドライ
バが手動で選択する場合では、例えばカーブ先の故障車
あり等の障害物情報を提供する安全運転の支援等のサー
ビスにおいてはリアルタイム性の観点から問題があっ
た。また、複数の車載装置を使用する場合は、車載装置
のコスト、設置スペース、ドライバの煩雑化等の観点か
らも問題があった。[0003] In the conventional system as described above, when a driver selects manually, for example, a service such as a safe driving support which provides obstacle information such as a broken car at a curve point from the viewpoint of real-time performance. There was a problem. Further, when a plurality of in-vehicle devices are used, there is a problem from the viewpoints of cost of the in-vehicle device, installation space, complicated driver, and the like.
【０００４】[0004]
【発明が解決しようとする課題】この発明は、このよう
な課題を解決するためになされたものであり、情報提供
サービスレベルが低い旧路側通信装置と情報提供サービ
スレベルが高い新路側通信装置とが、同一の地点におい
て同時にサービスを提供している場合、旧路側通信装置
及び新路側通信装置から送信したサービス情報を受信し
て表示する車載装置は、必ず新路側通信装置からのサー
ビス情報を表示するようにする路車間通信方式を提供す
ることを目的とする。SUMMARY OF THE INVENTION The present invention has been made in order to solve such a problem, and an old roadside communication device having a low information providing service level and a new roadside communication device having a high information providing service level are provided. However, if services are provided simultaneously at the same point, the in-vehicle device that receives and displays the service information transmitted from the old roadside communication device and the new roadside communication device always displays the service information from the new roadside communication device It is an object of the present invention to provide a road-to-vehicle communication system that performs the communication.
【０００５】[0005]
【課題を解決するための手段】本発明は、路側に設置し
た路側通信装置から道路を走行している車両に対して、
前方故障車両あり等の障害物情報等の提供サービスにお
いて、例えば提供する障害物情報の位置精度が低い等の
情報提供サービスレベルが低い旧路側通信装置と、例え
ば提供する障害物情報の位置精度が高い等の情報提供サ
ービスレベルが高い新路側通信装置と、前記旧路側通信
装置及び前記新路側通信装置から送信した情報を受信し
表示する車載装置とで構成される路車間通信システムに
おいて、前記旧路側通信装置及び前記新路側通信装置が
同時に情報提供サービスを行っている場合、前記旧路側
通信装置から前記新路側通信装置の情報提供サービスが
行われていることを通知することにより、前記車載装置
は必ず前記新路側通信装置からのサービス情報を表示す
るようにすることを特徴とする路車間通信方式である。SUMMARY OF THE INVENTION The present invention relates to a method for controlling a vehicle traveling on a road from a roadside communication device installed on the roadside.
In a service for providing obstacle information such as a vehicle having a failure ahead, for example, the old roadside communication device having a low information providing service level such as a low positional accuracy of the provided obstacle information, and a positional accuracy of the provided obstacle information are low. A roadside-vehicle communication system including a new roadside communication device having a high information providing service level such as high, and an in-vehicle device for receiving and displaying information transmitted from the old roadside communication device and the new roadside communication device; When the roadside communication device and the new roadside communication device are simultaneously providing an information providing service, the in-vehicle device is notified by notifying that the information providing service of the new roadside communication device is being performed from the old roadside communication device. Is a road-to-vehicle communication system characterized in that service information from the new roadside communication device is always displayed.
【０００６】[0006]
【発明の実施の形態】本発明の実施の形態を図面を参照
して説明する。図１は本発明の運用の概念を示す図であ
り、図において１は道路、２は車線、３は旧路側通信装
置、４は新路側通信装置、５は車両、６は故障車両、７
は通信領域である。Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing the concept of operation of the present invention, in which 1 is a road, 2 is a lane, 3 is an old roadside communication device, 4 is a new roadside communication device, 5 is a vehicle, 6 is a broken vehicle, 7
Is a communication area.
【０００７】道路１の車線２上に車両５が矢印イ方向に
走行しており、カーブの出口付近の車線２上に故障車両
６が停止している。旧路側通信装置３は旧サービスを提
供する路側通信装置であり、比較的狭い通信領域７ａに
おいて車両５と通信し、故障車両６の位置情報等を車両
５に送信するが、通信領域７ａが狭いこともあり、故障
車両が動いている場合、継続的に情報を提供することが
できないので時間の経過に伴い、この情報は比較的精度
が低くなる。新路側通信装置４は新サービスを提供する
路側通信装置であり、比較的広い通信領域７ｂにおいて
車両５と通信し、故障車両６の位置情報等を車両５に送
信するが、通信領域７ｂが広いこともあり、故障車両が
動いている場合でも動きに応じた情報を継続的に提供で
きるので、この情報は比較的精度が高くなる。したがっ
て、車両５は情報の精度が高い新路側通信装置４からの
サービス情報のみを表示するようにする。[0007] A vehicle 5 is traveling in the direction of arrow A on the lane 2 of the road 1, and the failed vehicle 6 is stopped on the lane 2 near the exit of the curve. The old roadside communication device 3 is a roadside communication device that provides an old service. The old roadside communication device 3 communicates with the vehicle 5 in a relatively small communication area 7a and transmits position information and the like of the failed vehicle 6 to the vehicle 5, but the communication area 7a is narrow. In some cases, when a malfunctioning vehicle is moving, information cannot be continuously provided, and therefore, the accuracy of the information becomes relatively low over time. The new roadside communication device 4 is a roadside communication device that provides a new service. The new roadside communication device 4 communicates with the vehicle 5 in a relatively wide communication area 7b and transmits position information and the like of the failed vehicle 6 to the vehicle 5, but the communication area 7b is wide. In some cases, even when the malfunctioning vehicle is moving, information corresponding to the movement can be continuously provided, so that the information has relatively high accuracy. Therefore, the vehicle 5 displays only service information from the new roadside communication device 4 with high information accuracy.
【０００８】図２は、本発明の車載装置の構成を示す図
であり、旧路側通信装置３からの情報を受信する旧サー
ビス用無線機９、新路側通信装置４からの情報を受信す
る新サービス用無線機１０、旧サービス用無線機９また
は新サービス用無線機１０を制御する通信制御装置１１
および受信したサービス情報を表示する表示装置１２と
で構成されている。FIG. 2 is a diagram showing the configuration of the vehicle-mounted device according to the present invention. The old service radio 9 for receiving information from the old roadside communication device 3 and the new radio for receiving information from the new roadside communication device 4. Communication controller 11 for controlling service radio 10, old service radio 9, or new service radio 10
And a display device 12 for displaying the received service information.
【０００９】図３は本発明の動作を示すシーケンス図で
あり、旧路側通信装置３と新路側通信装置４からの提供
サービスを車載装置８が受信しているときに新路側通信
装置４と通信する動作を示したものである。動作シーケ
ンスを図２と図３を用いて説明する。旧路側通信装置３
と新路側通信装置４はそれぞれサービスを提供しており
常時サービス通知を送信している。車載装置８は、旧路
側通信装置３からのサービス通知は旧サービス用無線機
９で受信し、新路側通信装置４からのサービス通知は新
サービス用無線機１０で受信する。旧サービス用無線機
９と新サービス用無線機１０からのサービス通知は通信
制御装置１１に出力される。ここで旧路側通信装置３と
新路側通信装置４からのサービス通知の情報が乗せられ
た電波を受信するタイミング等に応じて、通信制御装置
１１はどちらかのサービス通知を先に認識することにな
るが、旧サービス用無線機９からの出力である旧路側通
信装置３からのサービス通知を先に認識したとして説明
を進める。通信制御装置１１は旧サービス用無線機９に
通信接続要求を出力して旧サービス用無線機９は旧路側
通信装置３に通信接続要求を送信する。旧路側通信装置
３は通信が可能であれば通信接続応答を車載装置８に送
信する。ここで通信接続応答は新路側通信装置４による
サービスが提供されている旨の情報が付加されている。
車載装置８では、旧路側通信装置３からの通信接続応答
を旧サービス用無線機９で受信し、通信制御装置１１に
入力する。通信制御装置１１は、通信接続応答の内容を
解析して新路側通信装置４がサービスを提供しているこ
とを認識すると旧路側通信装置３とは通信を行わないと
判断して通信接続中止を旧サービス用無線機９に出力す
る。旧サービス用無線機９は旧路側通信装置３に通信接
続中止を送信し、通信の接続を中止する。この一連の処
理は旧路側通信装置３からのサービス通知を車載装置８
の通信制御装置１１で認識する毎に実行される。FIG. 3 is a sequence diagram showing the operation of the present invention. When the in-vehicle device 8 receives a service provided from the old roadside communication device 3 and the new roadside communication device 4, the communication with the new roadside communication device 4 is performed. FIG. The operation sequence will be described with reference to FIGS. Old roadside communication device 3
And the new roadside communication device 4 each provide a service, and constantly transmit a service notification. The in-vehicle device 8 receives the service notification from the old roadside communication device 3 by the old service radio device 9 and the service notification from the new roadside communication device 4 by the new service radio device 10. Service notifications from the old service radio 9 and the new service radio 10 are output to the communication control device 11. Here, according to the timing of receiving the radio wave carrying the information of the service notification from the old roadside communication device 3 and the new roadside communication device 4, the communication control device 11 recognizes either service notification first. However, the description will proceed assuming that the service notification from the old roadside communication device 3, which is the output from the old service radio device 9, is recognized first. The communication control device 11 outputs a communication connection request to the old service radio device 9, and the old service radio device 9 transmits a communication connection request to the old roadside communication device 3. The old roadside communication device 3 transmits a communication connection response to the in-vehicle device 8 if communication is possible. Here, information indicating that the service by the new roadside communication device 4 is provided is added to the communication connection response.
In the vehicle-mounted device 8, the communication connection response from the old roadside communication device 3 is received by the old service radio 9, and is input to the communication control device 11. When the communication control device 11 analyzes the content of the communication connection response and recognizes that the new roadside communication device 4 is providing a service, the communication control device 11 determines that communication with the old roadside communication device 3 will not be performed, and cancels the communication connection. Output to the old service radio 9. The old service radio device 9 transmits a communication connection stop to the old roadside communication device 3 to stop the communication connection. In this series of processing, the service notification from the old roadside communication device 3 is transmitted to the in-vehicle device 8.
Is executed each time the communication control device 11 recognizes the information.
【００１０】次に、車載装置８の通信制御装置１１は新
サービス用無線機１０からの出力である新路側通信装置
４からのサービス通知を認識したとして説明を進める。
通信制御装置１１は新サービス用無線機１０に通信接続
要求を出力して新サービス用無線機１０は新路側通信装
置４に通信接続要求を送信する。新路側通信装置４は通
信が可能であれば通信接続応答を車載装置８に送信す
る。車載装置８では、新路側通信装置４からの通信接続
応答を新サービス用無線機１０で受信し、通信制御装置
１１に入力する。ここで通信接続が完了されるので、以
後、車載装置８では、新路側通信装置４と通信を行いサ
ービス情報を新サービス用無線機１０で受信し、通信制
御装置１１に入力する。通信制御装置１１ではサービス
情報をフォーマット変換等を行い表示装置１２に出力す
る。表示装置１２ではサービス情報をディスプレイ等の
画面への表示あるいは音声でドライバに伝える。Next, the description will proceed on the assumption that the communication control device 11 of the on-vehicle device 8 has recognized the service notification from the new roadside communication device 4 which is the output from the new service radio device 10.
The communication control device 11 outputs a communication connection request to the new service radio device 10, and the new service radio device 10 transmits a communication connection request to the new roadside communication device 4. If communication is possible, the new roadside communication device 4 transmits a communication connection response to the in-vehicle device 8. In the in-vehicle device 8, the communication connection response from the new roadside communication device 4 is received by the new service radio 10 and is input to the communication control device 11. Since the communication connection is completed here, the in-vehicle device 8 thereafter communicates with the new roadside communication device 4, receives service information at the new service radio 10, and inputs the service information to the communication control device 11. The communication control device 11 converts the format of the service information and outputs it to the display device 12. The display device 12 transmits the service information to the driver by displaying it on a screen such as a display or by voice.
【００１１】[0011]
【発明の効果】この発明によれば、路側に設置した路側
通信装置から道路を走行している車両に対して、前方故
障車両あり等の障害物情報等の提供サービスにおいて、
例えば提供する障害物情報の位置精度が低い等の情報提
供サービスレベルが低い旧路側通信装置と、例えば提供
する障害物情報の位置精度が高い等の情報提供サービス
レベルが高い新路側通信装置と、前記旧路側通信装置及
び前記新路側通信装置から送信した情報を受信し表示す
る車載装置とで構成される路車間通信システムにおい
て、前記旧路側通信装置及び前記新路側通信装置が同時
に情報提供サービスを行っている場合、前記旧路側通信
装置から前記新路側通信装置の情報提供サービスが行わ
れていることを通知することにより、前記車載装置は必
ず前記新路側通信装置からのサービス情報を表示するの
で、一つの車載装置で自動的に新サービスの情報を表示
することができる。According to the present invention, there is provided a service for providing information on obstacles, such as the presence of a failed vehicle ahead, to a vehicle traveling on a road from a roadside communication device installed on the roadside.
For example, an old roadside communication device having a low information providing service level such as low positional accuracy of the provided obstacle information, and a new roadside communication device having a high information providing service level such as high positional accuracy of the provided obstacle information, In a road-vehicle communication system including an old roadside communication device and an in-vehicle device that receives and displays information transmitted from the new roadside communication device, the old roadside communication device and the new roadside communication device simultaneously provide an information providing service. If so, the in-vehicle device always displays the service information from the new roadside communication device by notifying that the information providing service of the new roadside communication device is being performed from the old roadside communication device. Thus, information of a new service can be automatically displayed by one vehicle-mounted device.
【図１】本発明の路車間通信方式の運用の概念を示す図
である。FIG. 1 is a diagram showing a concept of operation of a road-vehicle communication system of the present invention.
【図２】本発明の路車間通信方式の車載装置の構成図で
ある。FIG. 2 is a configuration diagram of a road-vehicle communication type vehicle-mounted device according to the present invention.
【図３】本発明の路車間通信方式の動作を示すシーケン
ス図である。FIG. 3 is a sequence diagram showing an operation of the road-vehicle communication system of the present invention.
１ 道路 ２ 車線 ３ 旧路側通信装置 ４ 新路側通信装置 ５ 車両 ６ 故障車両 ７ 通信領域 ８ 車載装置 ９ 旧サービス用無線機 １０ 新サービス用無線機 １１ 通信制御装置 １２ 表示装置 DESCRIPTION OF SYMBOLS 1 Road 2 Lane 3 Old roadside communication device 4 New roadside communication device 5 Vehicle 6 Faulty vehicle 7 Communication area 8 In-vehicle device 9 Old service radio 10 New service radio 11 Communication control device 12 Display device
Claims (3)
走行している車両に対する情報提供サービスにおいて、
情報提供サービスレベルが低い旧路側通信装置と、情報
提供サービスレベルが高い新路側通信装置と、前記旧路
側通信装置及び前記新路側通信装置から送信した情報を
受信し表示する車載装置とで構成される路車間通信シス
テムにおいて、前記旧路側通信装置及び前記新路側通信
装置が同時に情報提供サービスを行っている場合、前記
旧路側通信装置から前記新路側通信装置の情報提供サー
ビスが行われていることを通知することにより、前記車
載装置は必ず前記新路側通信装置からのサービス情報を
表示するようにすることを特徴とする路車間通信方式。1. An information providing service for a vehicle running on a road from a roadside communication device installed on a roadside,
An old roadside communication device having a low information providing service level, a new roadside communication device having a high information providing service level, and an in-vehicle device for receiving and displaying information transmitted from the old roadside communication device and the new roadside communication device. In the road-to-vehicle communication system, when the old roadside communication device and the new roadside communication device are simultaneously providing an information providing service, the information providing service of the new roadside communication device is being performed from the old roadside communication device. , The in-vehicle device always displays service information from the new roadside communication device.
情報提供サービスレベルが障害物情報の位置精度である
請求項１記載の路車間通信方式。2. The information providing service is obstacle information,
2. The road-vehicle communication system according to claim 1, wherein the information providing service level is a position accuracy of the obstacle information.
載の路車間通信方式。3. The road-to-vehicle communication system according to claim 2, wherein the obstacle is a vehicle that has failed ahead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001060825A JP3455781B2 (en) | 2001-03-05 | 2001-03-05 | Road-to-vehicle communication method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001060825A JP3455781B2 (en) | 2001-03-05 | 2001-03-05 | Road-to-vehicle communication method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002260172A true JP2002260172A (en) | 2002-09-13 |
| JP3455781B2 JP3455781B2 (en) | 2003-10-14 |
Family
ID=18920200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001060825A Expired - Lifetime JP3455781B2 (en) | 2001-03-05 | 2001-03-05 | Road-to-vehicle communication method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3455781B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010252357A (en) * | 2010-05-26 | 2010-11-04 | Mitsubishi Electric Corp | On-board unit |
| CN110766981A (en) * | 2018-07-27 | 2020-02-07 | 东旭科技集团有限公司 | Information transmission method, device and system |
-
2001
- 2001-03-05 JP JP2001060825A patent/JP3455781B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010252357A (en) * | 2010-05-26 | 2010-11-04 | Mitsubishi Electric Corp | On-board unit |
| CN110766981A (en) * | 2018-07-27 | 2020-02-07 | 东旭科技集团有限公司 | Information transmission method, device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3455781B2 (en) | 2003-10-14 |
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