JPH10226336A - Atc device - Google Patents
Atc deviceInfo
- Publication number
- JPH10226336A JPH10226336A JP3348697A JP3348697A JPH10226336A JP H10226336 A JPH10226336 A JP H10226336A JP 3348697 A JP3348697 A JP 3348697A JP 3348697 A JP3348697 A JP 3348697A JP H10226336 A JPH10226336 A JP H10226336A
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- Japan
- Prior art keywords
- wave
- information
- signal
- atc
- signal wave
- 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.)
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、自動列車制御装置
（以下ＡＴＣ装置と称する）、特にＡＴＣ装置を構成す
る地上装置の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic train control device (hereinafter referred to as an ATC device), and more particularly to an improvement of a ground device constituting the ATC device.
【０００２】[0002]
【従来の技術】ＡＴＣ装置は、周知のように、当該列車
と先行列車との間の間隔及び進路の開通状況に応じて、
地上装置から車上装置に向けて、当該列車の許容速度を
示すＡＴＣ信号波を伝送し、車上装置ではＡＴＣ信号波
を受信し、ＡＴＣ信号波によって指示された許容速度と
列車速度とを連続的に照査し、列車速度が許容速度以下
になるように列車速度を制御する。2. Description of the Related Art As is well known, an ATC device is provided in accordance with an interval between a train concerned and a preceding train and a state of opening of a course.
The ATC signal wave indicating the permissible speed of the train is transmitted from the ground device to the on-board device, the on-board device receives the ATC signal wave, and continuously transmits the permissible speed and the train speed indicated by the ATC signal wave. The train speed is controlled and the train speed is controlled so that the train speed becomes equal to or lower than the allowable speed.
【０００３】ＡＴＣ信号波は、搬送波を速度信号波によ
って断続変調した振幅変調波で与えられる。従って、Ａ
ＴＣ信号波は、搬送波が持続するマーク部と、搬送波の
ないスペース部とを、変調波である速度信号波の周波数
に応じて繰り返す断続波となる。速度信号波は、予め設
定された速度に応じて、異なる周波数信号として与えら
れる。An ATC signal wave is provided as an amplitude modulated wave obtained by intermittently modulating a carrier wave with a speed signal wave. Therefore, A
The TC signal wave is an intermittent wave that repeats a mark part in which a carrier wave continues and a space part without a carrier wave according to the frequency of a velocity signal wave that is a modulation wave. The speed signal wave is given as a different frequency signal according to a preset speed.
【０００４】[0004]
【発明が解決しようとする課題】上述したＡＴＣ信号波
において、スペース部は実質的に信号伝送を行なわない
休止期間に該当する。これは、高密度情報伝送という観
点からは好ましいことではない。In the above-mentioned ATC signal wave, the space portion corresponds to an idle period during which signal transmission is not substantially performed. This is not preferable from the viewpoint of high-density information transmission.
【０００５】本発明の課題は、ＡＴＣ信号波のスペース
部を有効に利用し、高密度情報伝送を可能にしたＡＴＣ
装置、特に、その地上装置を提供することである。SUMMARY OF THE INVENTION An object of the present invention is to provide an ATC system capable of effectively utilizing a space portion of an ATC signal wave and enabling high-density information transmission.
Equipment, especially its ground equipment.
【０００６】本発明のもう一つの課題は、ＡＴＣ信号伝
送系をそのまま利用して、列車運行に必要な各種の情報
を伝送できるＡＴＣ装置、特に、その地上装置を提供す
ることである。Another object of the present invention is to provide an ATC device capable of transmitting various information necessary for train operation by using the ATC signal transmission system as it is, and in particular, to provide an ATC device for the ATC device.
【０００７】[0007]
【課題を解決するための手段】上述した課題を解決する
ため、本発明に係るＡＴＣ用地上装置は、搬送波を速度
信号波によって断続変調したＡＴＣ信号波のスペース部
に、情報波を埋め込んだ送信信号波を送信する。In order to solve the above-mentioned problems, an ATC terrestrial apparatus according to the present invention provides a transmission apparatus in which an information wave is embedded in a space portion of an ATC signal wave obtained by intermittently modulating a carrier wave by a speed signal wave. Transmit a signal wave.
【０００８】上記構成によれば、ＡＴＣ信号波におい
て、実質的に信号伝送を行なわない休止期間に該当する
スペース部を有効に活用し、情報伝送を行なうことがで
きる。従って、高密度情報伝送を行なうことができるよ
うになる。[0008] According to the above configuration, in the ATC signal wave, information transmission can be performed by effectively utilizing the space portion corresponding to the idle period in which signal transmission is not substantially performed. Therefore, high-density information transmission can be performed.
【０００９】しかも、ＡＴＣ信号伝送系をそのまま利用
して、列車運行に必要な各種の情報を伝送できるので、
情報伝送のための専用の伝送系を敷設する必要がない。
従って、設備費のコストアップを招くことがない。Moreover, since various information necessary for train operation can be transmitted using the ATC signal transmission system as it is,
There is no need to lay a dedicated transmission system for information transmission.
Therefore, there is no increase in equipment costs.
【００１０】上述した地上装置とともにＡＴＣ装置を構
成する車上装置は、地上装置から送信された送信信号波
を受信し、ＡＴＣ信号波と情報波とを分別して解読す
る。[0010] The on-board device which constitutes the ATC device together with the above-mentioned ground device receives the transmission signal wave transmitted from the ground device, and separates and decodes the ATC signal wave and the information wave.
【００１１】[0011]
【発明の実施の形態】図１は本発明に係る地上装置を含
んだＡＴＣ装置のブロック図である。図示されたＡＴＣ
装置は、 地上装置１と、車上装置２とを含む。車上装
置２は、軌道３上を矢印ａの方向に走行する列車４に搭
載されている。実施例に示された地上装置１は、情報信
号生成部１１と、ＡＴＣ信号生成部１２とを含んでい
る。FIG. 1 is a block diagram of an ATC device including a ground device according to the present invention. ATC shown
The device includes a ground device 1 and an on-board device 2. The on-board device 2 is mounted on a train 4 running on a track 3 in the direction of arrow a. The ground apparatus 1 shown in the embodiment includes an information signal generation unit 11 and an ATC signal generation unit 12.
【００１２】情報信号生成部１１は、図２（ｄ）〜
（ｆ）に示すように、情報搬送波ｆｉｃを、情報信号波
ｆｉｓによって周波数変調した情報波ｆｉを生成する。
実施例は、デジタル情報を伝送する場合を示し、周波数
変調はＦＳＫ変調となる。ＦＳＫ変調は、周知のよう
に、搬送中心周波数ｆｏ、偏移周波数△ｆとしたとき、
論理値０を（ｆｏ＋△ｆ）、論理値１を（ｆｏ−△ｆ）
の周波数に変換する変調方式である。情報搬送波ｆｉｃ
は、信号源１１０によって生成され、情報信号波ｆｉｓ
は信号源１１１によって生成される。ＦＳＫ変調は変調
器１１２によって行なわれる。ＦＳＫ変調により、情報
信号波ｆｉｓはデジタル信号に変換され、情報波ｆｉと
して出力される。The information signal generation unit 11 is provided with the information signal generator 11 shown in FIGS.
As shown in (f), an information wave fi is generated by frequency-modulating the information carrier wave fic with an information signal wave fis.
The embodiment shows a case where digital information is transmitted, and the frequency modulation is FSK modulation. As is well known, the FSK modulation has a carrier center frequency fo and a shift frequency Δf,
Logical value 0 is (fo + Δf), and logical value 1 is (fo−Δf)
This is a modulation method for converting to a frequency of Information carrier fic
Is generated by the signal source 110 and the information signal wave fis
Is generated by the signal source 111. FSK modulation is performed by modulator 112. The information signal wave fis is converted into a digital signal by the FSK modulation, and is output as the information wave fi.
【００１３】図３は上述のようにしてデジタル変換され
た情報波ｆｉの１フレームの構成を示す図で、スタート
ビット、情報データビット、ＣＲＣビット及びストップ
ビット等によって構成されている。FIG. 3 is a diagram showing the structure of one frame of the information wave fi digitally converted as described above, and is composed of a start bit, information data bits, CRC bits, stop bits, and the like.
【００１４】図４は情報信号生成部１１のより具体的な
構成を示す図で、信号源１１１から供給される複数ｍの
情報１〜ｍをエンコーダ１１３によって解読し、エンコ
ーダ１１３から変調器１１２に情報信号波ｆｉｓを供給
する。情報信号波ｆｉｓに含まれるべき情報の例として
は、先行列車との距離、先行列車の位置、前方予告、軌
道番号及び車内案内開始指令等の各種の情報を挙げるこ
とができる。FIG. 4 is a diagram showing a more specific configuration of the information signal generating section 11. The information 1 to m of a plurality of m supplied from the signal source 111 are decoded by the encoder 113. An information signal wave fis is supplied. Examples of information to be included in the information signal wave fis include various types of information such as a distance from the preceding train, a position of the preceding train, a forward notice, a track number, and an in-vehicle guidance start command.
【００１５】ＡＴＣ信号生成部１２は、図２（ａ）〜
（ｃ）に示すように、搬送波ｆａｃを速度信号波ｆａｓ
によって断続変調したＡＴＣ信号波ｆａを生成する。そ
して、図２（ｇ）に示すように、ＡＴＣ信号波ｆａのス
ペース部ＳＰに、図２（ｄ）〜（ｆ）に示すＦＳＫ変調
作用によって得られた情報波ｆｉを埋め込んだ送信信号
波Ｓ１を送信する。送信信号波Ｓ１は、ＡＴＣ装置がＡ
ＴＣ信号を軌道３に供給するシステム構成となっている
場合は軌道３に、また、軌道３とは異なる誘導ループを
設けて、誘導ループにＡＴＣ信号を供給するシステム構
成になっている場合は、誘導ループに供給する。The ATC signal generation unit 12 is provided with the components shown in FIGS.
As shown in (c), the carrier wave fac is changed to the speed signal wave fas.
Generates the ATC signal wave fa intermittently modulated. Then, as shown in FIG. 2 (g), the transmission signal wave S1 in which the information wave fi obtained by the FSK modulation operation shown in FIGS. 2 (d) to 2 (f) is embedded in the space part SP of the ATC signal wave fa. Send The transmission signal wave S1 is transmitted from the ATC device to A
In the case of a system configuration in which a TC signal is supplied to the trajectory 3, a guide loop different from the trajectory 3 is provided in the trajectory 3, and in a system configuration in which an ATC signal is supplied to the guide loop, Supply to induction loop.
【００１６】ＡＴＣ信号波ｆａは、前述したように、搬
送波ｆａｃを速度信号波ｆａｓによって断続変調した方
形波である。断続変調は、変調器１３によって行なわれ
る。変調された信号は、更に増幅器１４によって増幅さ
れた後、送信信号Ｓ１として出力される。実施例の場
合、増幅器１４により、搬送波ｆａｃを速度信号波ｆａ
ｓによって断続変調したアナログ信号とともに、デジタ
ル信号である情報波ｆｉをも増幅するので、回路構成が
簡単になる。なお、ＡＴＣ信号波ｆａのスペース部ＳＰ
に、情報波ｆｉを埋め込む電気的操作は、実施例の場
合、変調器１３によって行なわれる。As described above, the ATC signal wave fa is a square wave obtained by intermittently modulating the carrier wave fac with the speed signal wave fas. The intermittent modulation is performed by the modulator 13. The modulated signal is further amplified by the amplifier 14 and then output as a transmission signal S1. In the case of the embodiment, the amplifier 14 converts the carrier wave fac into the speed signal wave fa.
Since the information wave fi, which is a digital signal, is amplified together with the analog signal intermittently modulated by s, the circuit configuration is simplified. The space part SP of the ATC signal wave fa
The electrical operation for embedding the information wave fi is performed by the modulator 13 in the case of the embodiment.
【００１７】搬送波ｆａｃは、信号源１２０によって生
成され、例えば３kHzの周波数を持つ。速度信号波ｆａ
ｓは、信号現示の数ｎに対応して、ｎ個の異なる周波数
信号ｆ１〜ｆｎとして用意される。周波数信号ｆ１〜ｆ
ｎは信号源１２１〜１２ｎによって生成される。速度信
号波ｆａｓの周波数ｆ１〜ｆｎは、一例として、列車速
度９０km/Hの場合は１０Hz、速度７５km/Hの場合は１３
Hz、速度４５km/H速度の場合は１６Hz、速度２５km/H速
度の場合は２３Hzのように選定される。The carrier fac is generated by the signal source 120 and has a frequency of, for example, 3 kHz. Speed signal wave fa
s is prepared as n different frequency signals f1 to fn corresponding to the number n of signal indications. Frequency signals f1 to f
n is generated by the signal sources 121 to 12n. The frequencies f1 to fn of the speed signal wave fas are, for example, 10 Hz when the train speed is 90 km / H and 13 when the train speed is 75 km / H.
Hz, a speed of 45 km / H is selected as 16 Hz, and a speed of 25 km / H is selected as 23 Hz.
【００１８】車上装置２は、軌道３上を矢印ａの方向に
走行する列車４に搭載されており、地上装置１から送信
された送信信号波Ｓ１を、車上アンテナ２０によって受
信し、ＡＴＣ信号波ｆａと情報波ｆｉとを分別して解読
する。ＡＴＣ信号波ｆａは、バンドパスフィルタ２１に
よって抽出された後、ＡＴＣ信号処理部２３によって解
読される。情報波ｆｉは、バンドパスフィルタ２２によ
って抽出された後、情報信号処理部２４によって解読さ
れる。そして、解読結果に基づいて、必要な処理が行な
われる。The on-vehicle device 2 is mounted on a train 4 running on a track 3 in the direction of arrow a, receives a transmission signal wave S1 transmitted from the ground device 1 by an on-vehicle antenna 20, and performs ATC. The signal wave fa and the information wave fi are separated and decoded. The ATC signal wave fa is extracted by the band-pass filter 21 and then decoded by the ATC signal processing unit 23. The information wave fi is extracted by the bandpass filter 22 and then decoded by the information signal processing unit 24. Then, necessary processing is performed based on the decryption result.
【００１９】上述のように、ＡＴＣ信号波ｆａにおい
て、実質的に信号伝送を行なわない休止期間に該当する
スペース部ＳＰを有効に活用し、情報波ｆｉの伝送を行
なうことができる。従って、高密度情報伝送を行なうこ
とができるようになる。As described above, in the ATC signal wave fa, the information wave fi can be transmitted by effectively utilizing the space portion SP corresponding to the idle period during which signal transmission is not substantially performed. Therefore, high-density information transmission can be performed.
【００２０】しかも、ＡＴＣ信号伝送系をそのまま利用
して、列車運行に必要な各種の情報を伝送できるので、
情報伝送のための専用の伝送系を敷設する必要がない。
従って、設備費のコストアップを招くことがない。Furthermore, since various information necessary for train operation can be transmitted by using the ATC signal transmission system as it is,
There is no need to lay a dedicated transmission system for information transmission.
Therefore, there is no increase in equipment costs.
【００２１】ＡＴＣ信号波ｆａのスペース部ＳＰに情報
波ｆｉを埋め込む場合、ＡＴＣ信号波ｆａに同期して、
情報波ｆｉを変調器１３に送る。例えば、ＡＴＣ信号生
成部１２の信号源１２１〜１２ｎから出力される速度信
号波ｆａｓの立ち下がりをとらえ、そのタイミングに同
期して情報波ｆｉを変調器１３に送るのである。このよ
うな同期は、信号源１２１〜１２ｎから出力される速度
信号波ｆａｓの情報を、情報信号生成部１１の信号源１
１１に供給してトリガする等により、容易に実現するこ
とができる。When embedding the information wave fi in the space part SP of the ATC signal wave fa, in synchronization with the ATC signal wave fa,
The information wave fi is sent to the modulator 13. For example, the falling of the speed signal wave fas output from the signal sources 121 to 12n of the ATC signal generation unit 12 is captured, and the information wave fi is transmitted to the modulator 13 in synchronization with the timing. Such synchronization is performed by transmitting information of the speed signal wave fas output from the signal sources 121 to 12n to the signal source 1 of the information signal generation unit 11.
It can be easily realized by, for example, supplying the trigger signal 11 to the trigger.
【００２２】ＡＴＣ信号波ｆａに同期して、ＡＴＣ信号
波ｆａのスペース部ＳＰに情報波ｆｉを埋め込むことの
利点は、情報波ｆｉの１フレーム分（図３参照）を、例
えば３〜４回繰り返して伝送する場合、各伝送回毎に、
１フレームの始めから終わりまでを確実に伝送できるこ
とであり、これにより、情報伝送の確実性及び信頼性が
向上する。The advantage of embedding the information wave fi in the space portion SP of the ATC signal wave fa in synchronization with the ATC signal wave fa is that one frame of the information wave fi (see FIG. 3) is transmitted three to four times, for example. When transmitting repeatedly, for each transmission,
That is, it is possible to reliably transmit from the beginning to the end of one frame, thereby improving the reliability and reliability of information transmission.
【００２３】[0023]
【発明の効果】以上述べたように、本発明によれば、次
のような効果を得ることができる。 （ａ）ＡＴＣ信号波のスペース部を有効に利用し、高密
度情報伝送を可能にしたＡＴＣ装置、特に、その地上装
置を提供することができる。 （ｂ）ＡＴＣ信号伝送系をそのまま利用して、列車運行
に必要な各種の情報を伝送できるＡＴＣ装置、特に、そ
の地上装置を提供することができる。As described above, according to the present invention, the following effects can be obtained. (A) It is possible to provide an ATC device capable of effectively utilizing a space portion of an ATC signal wave and enabling high-density information transmission, particularly a ground device thereof. (B) It is possible to provide an ATC device capable of transmitting various kinds of information necessary for train operation using the ATC signal transmission system as it is, particularly, a ground device thereof.
【図１】本発明に係るＡＴＣ装置のブロック図である。FIG. 1 is a block diagram of an ATC device according to the present invention.
【図２】本発明に係るＡＴＣ装置の動作を説明する波形
図である。FIG. 2 is a waveform diagram illustrating an operation of the ATC device according to the present invention.
【図３】情報波の１フレームの構成を示す図である。FIG. 3 is a diagram showing a configuration of one frame of an information wave.
【図４】情報信号生成部の構成を示すブロック図であ
る。FIG. 4 is a block diagram illustrating a configuration of an information signal generation unit.
１ ＡＴＣ装置用地上装置 ２ ＡＴＣ装置用車上装置 １１ 情報信号生成部 １２ ＡＴＣ信号生成部 Reference Signs List 1 Ground device for ATC device 2 On-board device for ATC device 11 Information signal generation unit 12 ATC signal generation unit
Claims (4)
のスペース部に、情報波を埋め込んだ送信信号波を送信
する地上装置。1. A ground device for an automatic train control device for transmitting a transmission signal wave in which an information wave is embedded in a space portion of an ATC signal wave in which a carrier wave is intermittently modulated by a speed signal wave.
て、 情報信号生成部と、ＡＴＣ信号生成部とを含み、 前記情報信号生成部は、情報搬送波を、情報信号波によ
って周波数変調した情報波を生成し、 前記ＡＴＣ信号生成部は、前記ＡＴＣ信号波を生成する
と共に、ＡＴＣ信号波のスペース部に、前記情報波を埋
め込んだ送信信号波を送信する地上装置。2. The terrestrial device according to claim 1, further comprising: an information signal generation unit; and an ATC signal generation unit, wherein the information signal generation unit frequency-modulates the information carrier by the information signal wave. A ground apparatus for generating an information wave, wherein the ATC signal generation unit generates the ATC signal wave and transmits a transmission signal wave in which the information wave is embedded in a space portion of the ATC signal wave.
て、 前記情報波は、前記ＡＴＣ信号波に同期して、前記ＡＴ
Ｃ信号波のスペース部に埋め込む地上装置。3. The terrestrial device according to claim 1, wherein the information wave is synchronized with the ATC signal wave and the AT wave.
Ground equipment to be embedded in the space of the C signal wave.
制御装置であって、 前記地上装置は、請求項１、２または３の何れかに記載
されたものでなり、 前記車上装置は、前記地上装置から送信された前記送信
信号波を受信し、前記ＡＴＣ信号波と前記情報波とを分
別して解読する自動列車制御装置。4. An automatic train control device including a ground device and an on-board device, wherein the ground device is as described in claim 1, 2 or 3, and the on-board device is Is an automatic train control device that receives the transmission signal wave transmitted from the ground device and separates and decodes the ATC signal wave and the information wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3348697A JPH10226336A (en) | 1997-02-18 | 1997-02-18 | Atc device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3348697A JPH10226336A (en) | 1997-02-18 | 1997-02-18 | Atc device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10226336A true JPH10226336A (en) | 1998-08-25 |
Family
ID=12387893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3348697A Pending JPH10226336A (en) | 1997-02-18 | 1997-02-18 | Atc device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10226336A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007185977A (en) * | 2006-01-11 | 2007-07-26 | Daido Signal Co Ltd | Transmission circuit for railway signal system |
| JP2010179808A (en) * | 2009-02-06 | 2010-08-19 | Kyosan Electric Mfg Co Ltd | Information transmission device between ground-vehicle and information transmission method between ground-vehicle |
| JP2010220275A (en) * | 2009-03-13 | 2010-09-30 | Kyosan Electric Mfg Co Ltd | Structure of train control signal, signal transmitter, on-vehicle operation processing apparatus, and train control method |
| JP2011087343A (en) * | 2009-10-13 | 2011-04-28 | Kyosan Electric Mfg Co Ltd | Structure of train control signal, transmitter for information between ground and vehicle, and method for switching the train control signal |
| JP2011088556A (en) * | 2009-10-23 | 2011-05-06 | Kyosan Electric Mfg Co Ltd | Information transmission device between ground and vehicle |
| JP2012056409A (en) * | 2010-09-08 | 2012-03-22 | Kyosan Electric Mfg Co Ltd | Train controller and train control method |
| CN103481915A (en) * | 2013-10-09 | 2014-01-01 | 北京凯润机电设备制造有限责任公司 | Electric control system for monorail crane |
| CN105539513A (en) * | 2014-10-23 | 2016-05-04 | 通用电气公司 | Communication system and method for correlating wireless communication performance with vehicle system configurations |
-
1997
- 1997-02-18 JP JP3348697A patent/JPH10226336A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007185977A (en) * | 2006-01-11 | 2007-07-26 | Daido Signal Co Ltd | Transmission circuit for railway signal system |
| JP2010179808A (en) * | 2009-02-06 | 2010-08-19 | Kyosan Electric Mfg Co Ltd | Information transmission device between ground-vehicle and information transmission method between ground-vehicle |
| JP2010220275A (en) * | 2009-03-13 | 2010-09-30 | Kyosan Electric Mfg Co Ltd | Structure of train control signal, signal transmitter, on-vehicle operation processing apparatus, and train control method |
| JP2011087343A (en) * | 2009-10-13 | 2011-04-28 | Kyosan Electric Mfg Co Ltd | Structure of train control signal, transmitter for information between ground and vehicle, and method for switching the train control signal |
| JP2011088556A (en) * | 2009-10-23 | 2011-05-06 | Kyosan Electric Mfg Co Ltd | Information transmission device between ground and vehicle |
| JP2012056409A (en) * | 2010-09-08 | 2012-03-22 | Kyosan Electric Mfg Co Ltd | Train controller and train control method |
| CN103481915A (en) * | 2013-10-09 | 2014-01-01 | 北京凯润机电设备制造有限责任公司 | Electric control system for monorail crane |
| CN105539513A (en) * | 2014-10-23 | 2016-05-04 | 通用电气公司 | Communication system and method for correlating wireless communication performance with vehicle system configurations |
| CN105539513B (en) * | 2014-10-23 | 2019-11-08 | 通用电气全球采购有限责任公司 | For performance for wireless communications and Vehicular system to be configured the communication system and method that interrelate |
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