JP2001093086A - Control system for communications between road and vehicle - Google Patents

Control system for communications between road and vehicle

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Publication number
JP2001093086A
JP2001093086A JP26690399A JP26690399A JP2001093086A JP 2001093086 A JP2001093086 A JP 2001093086A JP 26690399 A JP26690399 A JP 26690399A JP 26690399 A JP26690399 A JP 26690399A JP 2001093086 A JP2001093086 A JP 2001093086A
Authority
JP
Japan
Prior art keywords
communication
road
vehicle
control
load sensor
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.)
Withdrawn
Application number
JP26690399A
Other languages
Japanese (ja)
Inventor
Kojiro Nagashima
好次郎 長島
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP26690399A priority Critical patent/JP2001093086A/en
Publication of JP2001093086A publication Critical patent/JP2001093086A/en
Withdrawn legal-status Critical Current

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  • Traffic Control Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a control system for communications between road and vehicle capable of executing exact communication control using an axle load sensor. SOLUTION: This control system of communication between road and vehicle is provided with an axle load sensor 2 arranged in each traffic lane of a road 1, an antenna 6 arranged near the back part of the axial load sensor 2 for communicating with a vehicle 3, and a radio controller 5 connected with the antenna 6. Then, the number of vehicles entering a communication area 7 is predicted based on information from the axle load 2, and when the vehicles are rapidly increased, congestion control for limiting registration channel-up is executed.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、路車間通信の制御
システムに係り、特に、軸重センサを用いた通信制御が
可能な路車間通信の制御システムに関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road-vehicle communication control system, and more particularly to a road-vehicle communication control system capable of performing communication control using an axle load sensor.

【0002】[0002]

【従来の技術】従来の路車間通信システム構成では、通
信エリアに入ってくる車両の情報が一切ないため、通信
制御を行うためには登録台数で制御を行うしかなかっ
た。
2. Description of the Related Art In a conventional road-vehicle communication system configuration, there is no information on vehicles entering a communication area, so that communication control can only be performed by the number of registered vehicles.

【0003】[0003]

【発明が解決しようとする課題】上記したように、通信
エリアに入ってくる車両の時間的な間隔の情報がないた
め、車両台数の急激な変化に対応できなかったり、通信
エリアに許容台数を超えた車両が入ってきた場合に対応
できないといった問題点があった。
As described above, since there is no information on the time interval between vehicles entering the communication area, it is not possible to cope with a sudden change in the number of vehicles, or to set an allowable number of vehicles in the communication area. There is a problem that it is not possible to cope with a vehicle exceeding the vehicle.

【0004】本発明は、上記問題点を除去し、軸重セン
サを用いた的確な通信制御を行うことができる路車間通
信の制御システムを提供することを目的とする。
An object of the present invention is to provide a road-vehicle communication control system capable of eliminating the above-mentioned problems and performing accurate communication control using an axle load sensor.

【0005】[0005]

【課題を解決するための手段】本発明は、上記目的を達
成するために、 〔1〕路車間通信の制御システムにおいて、道路の車線
毎に配置される軸重センサと、この軸重センサの後方の
近傍に配置され、車両との通信を行うアンテナと、この
アンテナに接続される無線制御装置を備え、前記軸重セ
ンサからの情報に基づいて通信エリアに入ってくる車両
台数を予測して、通信制御を行うことを特徴とする。
In order to achieve the above object, the present invention provides: [1] In a control system for road-to-vehicle communication, an axle load sensor arranged for each lane of a road; An antenna disposed in the vicinity of the rear, which performs communication with the vehicle, and a wireless control device connected to the antenna, and predicts the number of vehicles entering the communication area based on information from the axle load sensor. Communication control is performed.

【0006】〔2〕上記〔1〕記載の路車間通信の制御
システムにおいて、前記通信制御は、急激に車両が増え
る場合、登録チャネル上げを制限する輻輳制御であるこ
とを特徴とする。
[2] The control system for road-to-vehicle communication according to [1], wherein the communication control is congestion control for restricting the registration channel from increasing when the number of vehicles increases rapidly.

【0007】〔3〕上記〔1〕記載の路車間通信の制御
システムにおいて、前記通信制御は、渋滞状況によって
リトライ回数を制限するリトライ回数制御であることを
特徴とする。
[3] The control system for road-to-vehicle communication according to the above [1], wherein the communication control is a retry number control for limiting the number of retries depending on a traffic jam condition.

【0008】〔4〕上記〔1〕記載の路車間通信の制御
システムにおいて、前記通信制御は、スロット数が可変
である通信システムにおけるスロット数設定制御である
ことを特徴とする。
[4] The control system for road-vehicle communication according to [1], wherein the communication control is a slot number setting control in a communication system in which the number of slots is variable.

【0009】[0009]

【発明の実施の形態】以下、本発明の実施の形態につい
て図を参照しながら詳細に説明する。
Embodiments of the present invention will be described below in detail with reference to the drawings.

【0010】図1は本発明の実施例を示す路車間通信の
制御システムの模式図、図2はその路車間通信の制御シ
ステムのブロック図である。
FIG. 1 is a schematic diagram of a road-vehicle communication control system showing an embodiment of the present invention, and FIG. 2 is a block diagram of the road-vehicle communication control system.

【0011】これらの図に示すように、軸重センサ2は
道路1の車線毎に配置し、その軸重センサ2の位置は通
信エリア7の前方とする。アンテナ6は無線制御装置5
と接続され、データを送受信する。軸重センサ2は無線
制御装置5に接続されるが、複数車線を1つのアンテナ
6で送信している場合は、軸重センサ2の出力のORを
無線制御装置5に接続する。なお、図1において、3は
車両、図2において、4は複数入力OR回路である。
As shown in these figures, the axle load sensor 2 is arranged for each lane of the road 1, and the position of the axle load sensor 2 is located in front of the communication area 7. The antenna 6 is a wireless control device 5
Connected to send and receive data. The axle load sensor 2 is connected to the wireless control device 5. When a plurality of lanes are transmitted by one antenna 6, the OR of the output of the axle load sensor 2 is connected to the wireless control device 5. In FIG. 1, reference numeral 3 denotes a vehicle, and in FIG. 2, reference numeral 4 denotes a multiple-input OR circuit.

【0012】以下、この路車間通信の制御システムの動
作について説明する。
The operation of the road-vehicle communication control system will be described below.

【0013】ここでは、軸重センサ2を輻輳制御に利用
する例を説明する。
Here, an example in which the axle load sensor 2 is used for convergence control will be described.

【0014】図3に示すように、次の瞬間に急激に車両
台数が増える場合に、例えば、軸重センサ2がない場合
には、その時、通信エリア7中に通信している車両3が
ないため通信スロットは空いている状態で輻輳制御をか
ける必要はない。しかし、次の瞬間には急激に10台近
くの車両が登録チャネルを上げ始めるため、登録スロッ
トはパンクしてしまう。
As shown in FIG. 3, when the number of vehicles rapidly increases at the next moment, for example, when there is no axle load sensor 2, there is no vehicle 3 communicating in the communication area 7 at that time. Therefore, there is no need to apply congestion control when the communication slot is empty. However, at the next moment, nearly 10 vehicles suddenly start to raise the registration channel, so the registration slot is punctured.

【0015】一方、軸重センサ2がある場合には、通信
スロットが空いていても、次の瞬間に10台近くの車両
が登録チャネルを上げることが予め無線制御装置5に分
るので、輻輳制御をかけて、図4に示すように、例え
ば、有色で示す車両3は輻輳制御によって登録チャネル
を上げるのを見送った車両3とするような、入力を制御
することができる。
On the other hand, when the axle load sensor 2 is provided, even if the communication slot is vacant, it is known to the wireless control device 5 in advance that nearly 10 vehicles will raise the registration channel at the next moment, and congestion will occur. By performing the control, as shown in FIG. 4, for example, it is possible to control the input such that the vehicle 3 shown in color is the vehicle 3 that has forgotten to raise the registration channel by the congestion control.

【0016】このように、第1実施例によれば、軸重セ
ンサを用いて通信エリアに入ってくる車両台数を予測す
ることによって、急な車両台数の変化にも対応でき、効
果的に輻輳制御を行うことができる。
As described above, according to the first embodiment, by predicting the number of vehicles entering the communication area using the axle load sensor, it is possible to cope with a sudden change in the number of vehicles, and to effectively congest. Control can be performed.

【0017】次に、本発明の第2実施例について説明す
る。
Next, a second embodiment of the present invention will be described.

【0018】この実施例は、軸重センサ2をリトライ回
数制御に利用する例を説明する。
In this embodiment, an example in which the axle load sensor 2 is used for controlling the number of retries will be described.

【0019】図5に示すように、例えば、有色で示す車
両3は通信状態が悪くリトライを繰り返している車両
で、渋滞していて通信スロット数を超える車両が通信エ
リア7内にいるような場合で、通信状態が悪くリトライ
を繰り返している車両があった場合、後続車両の通信が
通信エリア7内で終わらない可能性があるので、リトラ
イ回数を制限する必要がある。
As shown in FIG. 5, for example, a vehicle 3 shown in color is a vehicle having a poor communication condition and repeating retries, and a vehicle that is congested and exceeds the number of communication slots is in the communication area 7. In the case where there is a vehicle in which the communication state is bad and the retry is repeated, the communication of the following vehicle may not be completed in the communication area 7, so that it is necessary to limit the number of retries.

【0020】そこで、軸重センサ2がない場合、道路上
の渋滞状況が分からないため、リトライ回数を制御する
ことはできないが、軸重センサ2がある場合は道路上の
渋滞状況や通信エリア7に入ってくる車両台数が分かる
ので、渋滞状況によってリトライ回数を制御することが
できる。
If the axle load sensor 2 is not provided, the number of retries cannot be controlled because the traffic congestion state on the road is not known. Since the number of vehicles coming in can be known, the number of retries can be controlled according to the traffic congestion condition.

【0021】このように、第2実施例によれば、軸重セ
ンサを用いて通信エリアに入ってくる車両台数を予測
し、渋滞状況を把握できることから、リトライ回数を制
御することができるので、通信状況が悪い車両があって
も後続車両への影響を少なくすることができる。
As described above, according to the second embodiment, the number of vehicles entering the communication area is predicted using the axle load sensor, and the congestion state can be grasped. Therefore, the number of retries can be controlled. Even if there is a vehicle with poor communication status, the influence on the following vehicle can be reduced.

【0022】次に、本発明の第3実施例について説明す
る。
Next, a third embodiment of the present invention will be described.

【0023】第1実施例では軸重センサを輻輳制御に適
用した例、第2実施例ではリトライ回数の制御に適用し
た例を示したが、DSRCプロトコルのようにスロット
数が可変である場合には、通信エリア7に軸重センサ2
から入ってくる車両3の情報でスロット数を変化させ、
伝送効率を上げるといった制御も可能である。
The first embodiment shows an example in which the axle load sensor is applied to congestion control, and the second embodiment shows an example in which the axle load sensor is applied to the control of the number of retries. However, when the number of slots is variable as in the DSRC protocol, Is the axle load sensor 2 in the communication area 7
Change the number of slots according to the information of the vehicle 3 coming from
Control such as increasing transmission efficiency is also possible.

【0024】なお、本発明は上記実施例に限定されるも
のではなく、本発明の趣旨に基づき種々の変形が可能で
あり、それらを本発明の範囲から排除するものではな
い。
It should be noted that the present invention is not limited to the above-described embodiment, and various modifications are possible based on the gist of the present invention, and they are not excluded from the scope of the present invention.

【0025】[0025]

【発明の効果】以上、詳細に説明したように、本発明に
よれば、以下のような効果を奏することができる。
As described above, according to the present invention, the following effects can be obtained.

【0026】(1)軸重センサを用いた的確な通信制御
を行うことができる。
(1) Precise communication control using an axle load sensor can be performed.

【0027】(2)軸重センサを用いて通信エリアに入
ってくる車両台数を予測することによって、急な通信エ
リアに入ってくる車両台数の変化にも対応でき、効果的
に輻輳制御を行うことができる。
(2) By predicting the number of vehicles entering the communication area using the axle load sensor, it is possible to cope with a sudden change in the number of vehicles entering the communication area, and to effectively perform congestion control. be able to.

【0028】(3)軸重センサを用いて通信エリアに入
ってくる車両台数を予測することによって、渋滞状況を
把握でき、リトライ回数を制御できるので、通信状況が
悪い車両があっても後続車両への影響を少なくすること
ができる。
(3) By predicting the number of vehicles entering the communication area using the axle load sensor, it is possible to grasp the traffic congestion state and control the number of retries. Impact on the vehicle can be reduced.

【0029】(4)通信エリアに入ってくる車両の情報
でスロット数を変化させ、伝送効率を上げるといった制
御も可能である。
(4) It is also possible to change the number of slots based on the information of the vehicle entering the communication area to increase the transmission efficiency.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の実施例を示す路車間通信の制御システ
ムの模式図である。
FIG. 1 is a schematic diagram of a road-vehicle communication control system according to an embodiment of the present invention.

【図2】本発明の実施例を示す路車間通信の制御システ
ムのブロック図である。
FIG. 2 is a block diagram of a road-vehicle communication control system according to an embodiment of the present invention.

【図3】急激に車両台数が増える場合(輻輳制御なし)
の路車間通信の制御の説明図である。
FIG. 3 shows a case where the number of vehicles increases rapidly (without congestion control)
It is an explanatory view of control of road-to-vehicle communication.

【図4】本発明に係る急激に車両台数が増える場合(輻
輳制御あり)の路車間通信の制御の説明図である。
FIG. 4 is an explanatory diagram of control of road-to-vehicle communication according to the present invention when the number of vehicles rapidly increases (with congestion control).

【図5】本発明に係る渋滞の場合のリトライ回数の制御
の説明図である。
FIG. 5 is an explanatory diagram of control of the number of retries in the case of congestion according to the present invention.

【符号の説明】[Explanation of symbols]

1 道路 2 軸重センサ 3 車両 4 複数入力OR回路 5 無線制御装置 6 アンテナ 7 通信エリア Reference Signs List 1 road 2 axle load sensor 3 vehicle 4 multiple input OR circuit 5 wireless control device 6 antenna 7 communication area

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 路車間通信の制御システムにおいて、
(a)道路の車線毎に配置される軸重センサと、(b)
該軸重センサの後方の近傍に配置され、車両との通信を
行うアンテナと、(c)該アンテナに接続される無線制
御装置を備え、(d)前記軸重センサからの情報に基づ
いて通信エリアに入ってくる車両台数を予測して、通信
制御を行うことを特徴とする路車間通信の制御システ
ム。
In a control system for road-vehicle communication,
(A) an axle load sensor arranged for each lane of the road; and (b)
An antenna disposed in the vicinity of the axle load sensor for communication with a vehicle; and (c) a wireless control device connected to the antenna, and (d) communication based on information from the axle load sensor. A control system for road-to-vehicle communication, wherein communication control is performed by predicting the number of vehicles entering an area.
【請求項2】 請求項1記載の路車間通信の制御システ
ムにおいて、前記通信制御は、急激に車両が増える場
合、登録チャネル上げを制限する輻輳制御であることを
特徴とする路車間通信の制御システム。
2. The road-to-vehicle communication control system according to claim 1, wherein the communication control is congestion control for limiting registration channel registration when the number of vehicles increases rapidly. system.
【請求項3】 請求項1記載の路車間通信の制御システ
ムにおいて、前記通信制御は、渋滞状況によってリトラ
イ回数を制限するリトライ回数制御であることを特徴と
する路車間通信の制御システム。
3. The control system for road-to-vehicle communication according to claim 1, wherein the communication control is a retry-number control for limiting the number of retries in accordance with a traffic congestion state.
【請求項4】 請求項1記載の路車間通信の制御システ
ムにおいて、前記通信制御は、スロット数が可変である
通信システムにおけるスロット数設定制御であることを
特徴とする路車間通信の制御システム。
4. The road-vehicle communication control system according to claim 1, wherein the communication control is a slot number setting control in a communication system in which the number of slots is variable.
JP26690399A 1999-09-21 1999-09-21 Control system for communications between road and vehicle Withdrawn JP2001093086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26690399A JP2001093086A (en) 1999-09-21 1999-09-21 Control system for communications between road and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26690399A JP2001093086A (en) 1999-09-21 1999-09-21 Control system for communications between road and vehicle

Publications (1)

Publication Number Publication Date
JP2001093086A true JP2001093086A (en) 2001-04-06

Family

ID=17437271

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26690399A Withdrawn JP2001093086A (en) 1999-09-21 1999-09-21 Control system for communications between road and vehicle

Country Status (1)

Country Link
JP (1) JP2001093086A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8224370B2 (en) 2009-07-10 2012-07-17 Honda Motor Co., Ltd. Method of controlling a communication system in a motor vehicle
CN116978234A (en) * 2023-09-22 2023-10-31 深圳市锐斯特科技有限公司 Road condition data dynamic acquisition method and system based on automobile data recorder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8224370B2 (en) 2009-07-10 2012-07-17 Honda Motor Co., Ltd. Method of controlling a communication system in a motor vehicle
CN116978234A (en) * 2023-09-22 2023-10-31 深圳市锐斯特科技有限公司 Road condition data dynamic acquisition method and system based on automobile data recorder
CN116978234B (en) * 2023-09-22 2023-11-24 深圳市锐斯特科技有限公司 Road condition data dynamic acquisition method and system based on automobile data recorder

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Effective date: 20061205