PROBLEM TO BE SOLVED: To provide a mobile terminal device capable of determining with high accuracy whether an own terminal device exists inside or outside a vehicle without employing a centralized processing system.SOLUTION: An own terminal device 18 as a mobile terminal device includes a vehicle inside outside determination part 50. When a detected travel speed V is a threshold value Vth1 or less, the vehicle inside outside determination part 50 performs a radio communication with another terminal device 20, which is located around the own terminal device 18 and is estimated to exist outside a vehicle, by using a wireless LAN communication part 42, and determines whether the own terminal device 18 exists inside or outside the vehicle according to an execution result of the radio communication.SELECTED DRAWING: Figure 2

    【課題】集中処理のシステム形態を採用することなく、自端末装置が車内又は車外のいずれに存在するかを高精度で判定可能な移動端末装置を提供する。【解決手段】移動端末装置としての自端末装置18は、検出された移動速度Vが閾値Vth1以下である場合に、無線LAN通信部42を用いて、自端末装置18の周辺に位置し、且つ、車外に存在すると推定される他端末装置20との間で無線通信を行い、該無線通信の実行結果に応じて、自端末装置18が車内又は車外のいずれに存在するかを判定する車内外判定部50を備える。【選択図】図2


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    Title :

    MOBILE TERMINAL DEVICE


    Additional title:

    移動端末装置


    Contributors:
    SAKAI HIROKI (author) / KAMATA YUTAKA (author) / AKAMA YURIKO (author)

    Publication date :

    2016-02-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS




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