PROBLEM TO BE SOLVED: To improve the reliability of radio communication between devices on the ground and on a train.SOLUTION: An on-car device identifies train control data 43 included in a communication frame 40 received from an IC tag using two modes together. Firstly, in a first mode, the on-car device does not perform whole verification for the whole of the communication frame 40 using whole verification information 47, but performs individual verification for the train control data 43 using individual verification information 44 included in the communication frame 40, and determines (adopts) the train control data 43 by multiple accordance determination. If the train control data 43 is not determined even if the processing is repeated while a prescribed grace period is satisfied, the on-car device shifts to a second mode. In the second mode, the on-car device performs the whole verification and individual verification of a communication frame 40 which was not a determination object in the first mode, and determines (adopts) the train control data 43 by multiple accordance determination.SELECTED DRAWING: Figure 2

    【課題】地上車上間の無線通信における信頼性の向上を図る。【解決手段】車上装置は、ICタグから受信した通信フレーム40に含まれる列車制御用データ43の特定を、2つのモードを併用して実行する。先ず、第1モードでは、全体検定情報47を用いた通信フレーム40全体に対する全体検定を行わず、通信フレーム40に含まれる個別検定情報44を用いた列車制御用データ43に対する個別検定を行い、複数一致判定によって列車制御用データ43を特定(採用)する。この処理を所与の猶予条件を満たす間繰り返しても列車制御用データ43が特定されない場合には、第2モードに移行する。第2モードでは、第1モードで判定対象とされなかった通信フレーム40を対象として、全体検定及び個別検定を行い、複数一致判定によって列車制御用データ43を特定(採用)する。【選択図】図2


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    Titel :

    SYSTEM FOR COMMUNICATION BETWEEN GROUND AND TRAIN, ON-CAR DEVICE, GROUND DEVICE, AND COMMUNICATION METHOD


    Weitere Titelangaben:

    地上車上間通信システム、車上装置、地上装置及び通信方法


    Beteiligte:

    Erscheinungsdatum :

    2016-06-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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