WO2008084794A1 - 通信システム - Google Patents

通信システム Download PDF

Info

Publication number
WO2008084794A1
WO2008084794A1 PCT/JP2008/050094 JP2008050094W WO2008084794A1 WO 2008084794 A1 WO2008084794 A1 WO 2008084794A1 JP 2008050094 W JP2008050094 W JP 2008050094W WO 2008084794 A1 WO2008084794 A1 WO 2008084794A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
key unit
receiving intensity
signal including
channel
Prior art date
Application number
PCT/JP2008/050094
Other languages
English (en)
French (fr)
Inventor
Katsumi Taniguchi
Original Assignee
Murata Manufacturing 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 Murata Manufacturing Co., Ltd. filed Critical Murata Manufacturing Co., Ltd.
Publication of WO2008084794A1 publication Critical patent/WO2008084794A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H04L63/107—Network architectures or network communication protocols for network security for controlling access to devices or network resources wherein the security policies are location-dependent, e.g. entities privileges depend on current location or allowing specific operations only from locally connected terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/60—Context-dependent security
    • H04W12/69—Identity-dependent
    • H04W12/79—Radio fingerprint

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

　近距離通信可能な範囲内に他のユニットが存在して同一チャンネルで信号を送信する場合であっても、それまで使用可能であったデバイスの相互接続性を高い確率で維持できる通信システムの提供を図る。鍵ユニットと認証ユニットとは単一のチャンネルで接続確認期間とスリープ期間とを繰り返しながら近距離無線通信を行う。接続確認期間では、鍵ユニットは、チャンネルの受信強度を計測し、所定閾値より大きい受信強度が計測された場合は、計測を繰り返し行い、所定閾値より小さい受信強度が計測された場合に、識別コードを含む信号を送信する。その信号を受信した認証ユニットは、確認コードを含む信号を送信する。この信号を受信した鍵ユニットは、認証ユニットが近傍に存在すると認識する。鍵ユニットは送信信号の送信直後に、確認コードを含む信号を受信できなければ、送信信号を再送信する。
PCT/JP2008/050094 2007-01-12 2008-01-09 通信システム WO2008084794A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-003966 2007-01-12
JP2007003966 2007-01-12

Publications (1)

Publication Number Publication Date
WO2008084794A1 true WO2008084794A1 (ja) 2008-07-17

Family

ID=39608684

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/050094 WO2008084794A1 (ja) 2007-01-12 2008-01-09 通信システム

Country Status (1)

Country Link
WO (1) WO2008084794A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021261007A1 (ja) * 2020-06-23 2021-12-30 株式会社東海理化電機製作所 通信制御装置及びそれを備える車両、並びに通信制御方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004236166A (ja) * 2003-01-31 2004-08-19 Toshiba Corp 認証処理システム、端末認証装置、認証処理方法及び認証処理プログラム
JP2006005812A (ja) * 2004-06-21 2006-01-05 Mitsubishi Electric Corp マルチポップ無線通信装置及びキャリア検出装置
JP2006333353A (ja) * 2005-05-30 2006-12-07 Matsushita Electric Ind Co Ltd 携帯端末装置及び無線通信ユニット

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004236166A (ja) * 2003-01-31 2004-08-19 Toshiba Corp 認証処理システム、端末認証装置、認証処理方法及び認証処理プログラム
JP2006005812A (ja) * 2004-06-21 2006-01-05 Mitsubishi Electric Corp マルチポップ無線通信装置及びキャリア検出装置
JP2006333353A (ja) * 2005-05-30 2006-12-07 Matsushita Electric Ind Co Ltd 携帯端末装置及び無線通信ユニット

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021261007A1 (ja) * 2020-06-23 2021-12-30 株式会社東海理化電機製作所 通信制御装置及びそれを備える車両、並びに通信制御方法

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