DE69523963T2 - Verfahren und Vorrichtung zur Bewertung des Systemsicherheitsspielraums eines digitalen Übertragungssystems - Google Patents

Verfahren und Vorrichtung zur Bewertung des Systemsicherheitsspielraums eines digitalen Übertragungssystems

Info

Publication number
DE69523963T2
DE69523963T2 DE69523963T DE69523963T DE69523963T2 DE 69523963 T2 DE69523963 T2 DE 69523963T2 DE 69523963 T DE69523963 T DE 69523963T DE 69523963 T DE69523963 T DE 69523963T DE 69523963 T2 DE69523963 T2 DE 69523963T2
Authority
DE
Germany
Prior art keywords
evaluating
digital transmission
security margin
transmission system
system security
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.)
Expired - Lifetime
Application number
DE69523963T
Other languages
English (en)
Other versions
DE69523963D1 (de
Inventor
Genichi Imamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leader Electronics Corp
Original Assignee
Leader Electronics Corp
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 Leader Electronics Corp filed Critical Leader Electronics Corp
Application granted granted Critical
Publication of DE69523963D1 publication Critical patent/DE69523963D1/de
Publication of DE69523963T2 publication Critical patent/DE69523963T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H04B3/48—Testing attenuation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
DE69523963T 1994-02-18 1995-02-20 Verfahren und Vorrichtung zur Bewertung des Systemsicherheitsspielraums eines digitalen Übertragungssystems Expired - Lifetime DE69523963T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6021283A JP2954475B2 (ja) 1994-02-18 1994-02-18 デジタル伝送システムを評価するための方法及び装置

Publications (2)

Publication Number Publication Date
DE69523963D1 DE69523963D1 (de) 2002-01-03
DE69523963T2 true DE69523963T2 (de) 2002-08-14

Family

ID=12050814

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69523963T Expired - Lifetime DE69523963T2 (de) 1994-02-18 1995-02-20 Verfahren und Vorrichtung zur Bewertung des Systemsicherheitsspielraums eines digitalen Übertragungssystems

Country Status (5)

Country Link
US (1) US5768312A (de)
EP (1) EP0668677B1 (de)
JP (1) JP2954475B2 (de)
KR (1) KR100332566B1 (de)
DE (1) DE69523963T2 (de)

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JPH0993207A (ja) * 1995-09-26 1997-04-04 Canon Inc 信号処理装置
JP2980024B2 (ja) * 1996-03-28 1999-11-22 日本電気株式会社 通信方法
JPH10303877A (ja) * 1996-09-05 1998-11-13 Matsushita Electric Ind Co Ltd 送信装置と受信装置とこれらを用いた伝送システム及び送信方法と受信方法とこれらを用いた伝送方法
US6088144A (en) * 1996-09-13 2000-07-11 Lucent Technologies Inc. Detection of frequency-modulated tones in electromagnetic signals
SE512370C2 (sv) * 1998-07-03 2000-03-06 Ericsson Telefon Ab L M Anordning och förfarande för att uppskatta total bruseffekt
AU2001257333A1 (en) * 2000-04-26 2001-11-07 Sybersay Communications Corporation Adaptive speech filter
US7383577B2 (en) * 2002-05-20 2008-06-03 Airdefense, Inc. Method and system for encrypted network management and intrusion detection
US20040203764A1 (en) * 2002-06-03 2004-10-14 Scott Hrastar Methods and systems for identifying nodes and mapping their locations
US7086089B2 (en) * 2002-05-20 2006-08-01 Airdefense, Inc. Systems and methods for network security
US7277404B2 (en) * 2002-05-20 2007-10-02 Airdefense, Inc. System and method for sensing wireless LAN activity
US7532895B2 (en) 2002-05-20 2009-05-12 Air Defense, Inc. Systems and methods for adaptive location tracking
US7042852B2 (en) * 2002-05-20 2006-05-09 Airdefense, Inc. System and method for wireless LAN dynamic channel change with honeypot trap
US7058796B2 (en) * 2002-05-20 2006-06-06 Airdefense, Inc. Method and system for actively defending a wireless LAN against attacks
US7322044B2 (en) * 2002-06-03 2008-01-22 Airdefense, Inc. Systems and methods for automated network policy exception detection and correction
WO2004071004A1 (en) * 2003-02-04 2004-08-19 Tracespan Communications Ltd. Non-intrusive modem performance analysis
JP2004304500A (ja) * 2003-03-31 2004-10-28 Leader Electronics Corp 切り替え装置
US7355996B2 (en) * 2004-02-06 2008-04-08 Airdefense, Inc. Systems and methods for adaptive monitoring with bandwidth constraints
US7359676B2 (en) * 2003-04-21 2008-04-15 Airdefense, Inc. Systems and methods for adaptively scanning for wireless communications
US7324804B2 (en) * 2003-04-21 2008-01-29 Airdefense, Inc. Systems and methods for dynamic sensor discovery and selection
US20040210654A1 (en) * 2003-04-21 2004-10-21 Hrastar Scott E. Systems and methods for determining wireless network topology
US7522908B2 (en) * 2003-04-21 2009-04-21 Airdefense, Inc. Systems and methods for wireless network site survey
US7925206B2 (en) 2003-12-10 2011-04-12 The Boeing Company Systems and methods for providing adaptive wireless connectivity
US7085561B1 (en) 2004-05-03 2006-08-01 Itt Manufacturing Enterprises, Inc. Embedded channel analysis for RF data modem
US20060123133A1 (en) * 2004-10-19 2006-06-08 Hrastar Scott E Detecting unauthorized wireless devices on a wired network
US8196199B2 (en) * 2004-10-19 2012-06-05 Airdefense, Inc. Personal wireless monitoring agent
US7856028B2 (en) * 2005-11-17 2010-12-21 Broadcom Corporation Power dissipation management for wired transceivers
US7577424B2 (en) 2005-12-19 2009-08-18 Airdefense, Inc. Systems and methods for wireless vulnerability analysis
US7715800B2 (en) 2006-01-13 2010-05-11 Airdefense, Inc. Systems and methods for wireless intrusion detection using spectral analysis
US7971251B2 (en) * 2006-03-17 2011-06-28 Airdefense, Inc. Systems and methods for wireless security using distributed collaboration of wireless clients
US20070218874A1 (en) * 2006-03-17 2007-09-20 Airdefense, Inc. Systems and Methods For Wireless Network Forensics
US20090021343A1 (en) * 2006-05-10 2009-01-22 Airdefense, Inc. RFID Intrusion Protection System and Methods
US7970013B2 (en) 2006-06-16 2011-06-28 Airdefense, Inc. Systems and methods for wireless network content filtering
US8281392B2 (en) * 2006-08-11 2012-10-02 Airdefense, Inc. Methods and systems for wired equivalent privacy and Wi-Fi protected access protection
US8081675B2 (en) * 2007-04-13 2011-12-20 Gennum Corporation De-emphasizing cable equalizer
US8611235B2 (en) * 2007-06-14 2013-12-17 Cisco Technology, Inc. Extended reach data network
WO2009124389A1 (en) * 2008-04-11 2009-10-15 Gennum Corporation System and method for programmable pre-amplification of a signal
JP5317864B2 (ja) * 2009-07-06 2013-10-16 新光電気工業株式会社 アダプタ装置および伝送路評価システム
US8428510B2 (en) * 2010-03-25 2013-04-23 Adc Telecommunications, Inc. Automatic gain control configuration for a wideband distributed antenna system
US9685762B1 (en) * 2014-09-30 2017-06-20 Aurrion, Inc. Semiconductor optical amplifier with gain flattening filter

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FR2466144B1 (fr) * 1979-09-18 1986-11-07 Lignes Telegraph Telephon Procede de test d'une ligne de transmission de donnees numeriques entre deux modems et dispositif mettant en oeuvre ce procede
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JPH07508863A (ja) * 1992-06-30 1995-09-28 エイチ　ヒューア　インスツルメント　ピーティーワイ　リミテッド 総合サービスディジタルネットワークのためのマージンテスト装置
US5425052A (en) * 1992-08-14 1995-06-13 Harris Corporation High impedance directional signal separator for extracting and separating respective signalling components of a wireline full-duplex digital data link
KR950004878B1 (ko) * 1992-12-29 1995-05-15 재단법인 한국전자통신연구소 미세 주파수 편이 검출방법

Also Published As

Publication number Publication date
JPH07231336A (ja) 1995-08-29
EP0668677A1 (de) 1995-08-23
KR100332566B1 (ko) 2002-09-25
EP0668677B1 (de) 2001-11-21
KR950035201A (ko) 1995-12-30
US5768312A (en) 1998-06-16
JP2954475B2 (ja) 1999-09-27
DE69523963D1 (de) 2002-01-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition