To provide an illicit communication establishment prevention system and illicit communication establishment prevention method that can prevent illicit communication from being established without requiring major modifications.SOLUTION: A first communication unit 18 on the vehicle side LF-transmits a challenge code for challenge-response authentication when smart verifying. At this time, measuring the distance between a vehicle and electronic key is performed during time Ts after the challenge code is transmitted until the response code is responded. Therefore, a UWB radio wave Sa is transmitted and received during the time Ts, and a measured distance value is calculated. A first communication unit 20 on the terminal side UHF-transmits a response code if the measured distance value is appropriate in order to perform challenge-response authentication. Meanwhile, the first communication unit 20 on the terminal side does not transmit a response code and terminates smart communication if the measure distance value is not appropriate.SELECTED DRAWING: Figure 2

    【課題】大きな改変を必要とすることなく不正通信成立の抑止を可能にした通信不正成立防止システム及び通信不正成立防止方法を提供する。【解決手段】車両側の第1通信部18は、スマート照合時、チャレンジレスポンス認証のチャレンジコードをLF送信する。このとき、車両−電子キーでは、チャレンジコード送信後からレスポンスコードが応答されるまでの時間帯Tsの間に、2者間の測距が実行される。すなわち、時間帯Tsの間でUWB電波Saが送受信され、測距値が算出される。端末側の第1通信部20は、測距値が妥当であればレスポンスコードをUHF送信して、チャレンジレスポンス認証を遂行させる。一方、端末側の第1通信部20は、測距値が妥当でなければレスポンスコードを送信せず、スマート通信を途絶させる。【選択図】図2


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    ILLICIT COMMUNICATION ESTABLISHMENT PREVENTION SYSTEM AND ILLICIT COMMUNICATION ESTABLISHMENT PREVENTION METHOD


    Weitere Titelangaben:

    通信不正成立防止システム及び通信不正成立防止方法


    Beteiligte:
    KOSUGI MASANORI (Autor:in) / NITTA SHIGENORI (Autor:in) / FURUTA MASATERU (Autor:in) / FUKAGAI TADASHI (Autor:in) / KAWAMURA MASAYUKI (Autor:in) / KONO HIROMI (Autor:in)

    Erscheinungsdatum :

    2020-02-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    E05B LOCKS , Schlösser / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04Q Wähltechnik , SELECTING



    ILLICIT COMMUNICATION PREVENTION SYSTEM AND ILLICIT COMMUNICATION PREVENTION METHOD

    OHASHI YOSUKE | Europäisches Patentamt | 2023

    Freier Zugriff

    ILLICIT COMMUNICATION PREVENTION SYSTEM AND ILLICIT COMMUNICATION PREVENTION METHOD

    OHASHI YOSUKE | Europäisches Patentamt | 2020

    Freier Zugriff

    UNAUTHORIZED COMMUNICATION ESTABLISHMENT PREVENTION SYSTEM

    FUSHIMI AKIRA | Europäisches Patentamt | 2017

    Freier Zugriff

    COMMUNICATION UNAUTHORISED ESTABLISHMENT PREVENTION SYSTEM

    KOSUGI MASANORI / MORI MEGUMI | Europäisches Patentamt | 2017

    Freier Zugriff

    COMMUNICATION DISHONEST ESTABLISHMENT PREVENTION SYSTEM

    KOSUGI MASANORI | Europäisches Patentamt | 2017

    Freier Zugriff