ATE514100T1 - Verfahren und vorrichtung zur radarimpulsdetektion und -schätzung in der physischen schicht eines drahtlosen lan - Google Patents

Verfahren und vorrichtung zur radarimpulsdetektion und -schätzung in der physischen schicht eines drahtlosen lan

Info

Publication number
ATE514100T1
ATE514100T1 AT03747675T AT03747675T ATE514100T1 AT E514100 T1 ATE514100 T1 AT E514100T1 AT 03747675 T AT03747675 T AT 03747675T AT 03747675 T AT03747675 T AT 03747675T AT E514100 T1 ATE514100 T1 AT E514100T1
Authority
AT
Austria
Prior art keywords
pulse detection
estimation
physical layer
wireless lan
radar pulse
Prior art date
Application number
AT03747675T
Other languages
English (en)
Inventor
Paul Husted
William Mcfarland
Xiaoru Zhang
John Thomson
Original Assignee
Atheros Comm Inc
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 Atheros Comm Inc filed Critical Atheros Comm Inc
Application granted granted Critical
Publication of ATE514100T1 publication Critical patent/ATE514100T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/66—Radar-tracking systems; Analogous systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/021—Auxiliary means for detecting or identifying radar signals or the like, e.g. radar jamming signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
    • H04K3/822—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by detecting the presence of a surveillance, interception or detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/10—Jamming or countermeasure used for a particular application
    • H04K2203/18—Jamming or countermeasure used for a particular application for wireless local area networks or WLAN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/20—Countermeasures against jamming
    • H04K3/22—Countermeasures against jamming including jamming detection and monitoring
    • H04K3/224—Countermeasures against jamming including jamming detection and monitoring with countermeasures at transmission and/or reception of the jammed signal, e.g. stopping operation of transmitter or receiver, nulling or enhancing transmitted power in direction of or at frequency of jammer
    • H04K3/226—Selection of non-jammed channel for communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
AT03747675T 2002-05-03 2003-05-02 Verfahren und vorrichtung zur radarimpulsdetektion und -schätzung in der physischen schicht eines drahtlosen lan ATE514100T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/138,953 US6891496B2 (en) 2002-05-03 2002-05-03 Method and apparatus for physical layer radar pulse detection and estimation
PCT/US2003/014260 WO2003093860A1 (en) 2002-05-03 2003-05-02 Method and apparatus for radar pulse detection and estimation in wireless lan physical layer

Publications (1)

Publication Number Publication Date
ATE514100T1 true ATE514100T1 (de) 2011-07-15

Family

ID=29269471

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03747675T ATE514100T1 (de) 2002-05-03 2003-05-02 Verfahren und vorrichtung zur radarimpulsdetektion und -schätzung in der physischen schicht eines drahtlosen lan

Country Status (7)

Country Link
US (3) US6891496B2 (de)
EP (1) EP1502126B1 (de)
KR (1) KR100990538B1 (de)
AT (1) ATE514100T1 (de)
AU (1) AU2003243203A1 (de)
TW (1) TWI242078B (de)
WO (1) WO2003093860A1 (de)

Families Citing this family (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT411991B (de) 1998-11-18 2004-08-26 Steco Logistic Gmbh Behälter aus mehreren platten
US7155230B2 (en) * 2002-08-19 2006-12-26 Intel Corporation Dynamic frequency selection and radar detection with a wireless LAN
KR20040026798A (ko) * 2002-09-26 2004-04-01 주식회사 케이티 무선 근거리통신망 시스템의 패킷수신 제어 방법
US7107032B2 (en) * 2003-01-08 2006-09-12 Mediatek Inc. Radar detection method for radio local area networks
US6870815B2 (en) 2003-01-30 2005-03-22 Atheros Communications, Inc. Methods for implementing a dynamic frequency selection (DFS) and a temporary channel selection feature for WLAN devices
US7606193B2 (en) * 2003-01-30 2009-10-20 Atheros Communications, Inc. Methods for implementing a dynamic frequency selection (DFS) feature for WLAN devices
US7099627B2 (en) * 2003-06-11 2006-08-29 Acco Brands Usa Llc Systems and methods for a wireless network connection point locator
SE0301836D0 (sv) * 2003-06-24 2003-06-24 Infineon Technologies Ag Detection apparatus and method
SE0301835L (sv) * 2003-06-24 2005-02-01 Infineon Technologies Ag Förfarande och anordning för att minska den genomsnittliga tiden som behövs för en kommunikationsenhet att ansluta sig till ett kommunikationsnätverk
US8014787B2 (en) 2003-08-07 2011-09-06 Agere Systems Inc. System and method for discriminating radar transmissions from wireless network transmissions and wireless network having radar-avoidance capability
US8190162B2 (en) * 2003-09-15 2012-05-29 Broadcom Corporation Radar detection circuit for a WLAN transceiver
US7701382B2 (en) * 2003-09-15 2010-04-20 Broadcom Corporation Radar detection circuit for a WLAN transceiver
JP3828546B2 (ja) * 2004-01-26 2006-10-04 株式会社東芝 無線通信装置、無線通信方法及び無線通信プログラム
US7280067B2 (en) * 2004-06-01 2007-10-09 Newlogic Technologies Gmbh Radar detector and radar detecting method for WLAN systems according to 802.11 wireless communication standards
US7230566B2 (en) * 2004-08-03 2007-06-12 Cisco Technology, Inc. Radar protection device for wireless networks
US20060082489A1 (en) * 2004-10-15 2006-04-20 Liu Jiewen J Radar presence alert for WLAN
US7358892B2 (en) * 2005-04-04 2008-04-15 Raytheon Company System and method for coherently combining a plurality of radars
US8179825B2 (en) * 2005-05-12 2012-05-15 Nortel Networks Limited Method and system for detecting radar signals
US7376878B2 (en) * 2005-07-28 2008-05-20 Microsoft Corporation Compensating for errors received in a signal
KR101189817B1 (ko) 2005-08-08 2012-10-10 마벨 월드 트레이드 리미티드 레이더 검출 장치 및 그 방법
US7599671B2 (en) * 2005-08-08 2009-10-06 Marvell World Trade Ltd. Radar detection apparatus and method thereof
US7548750B2 (en) * 2005-09-13 2009-06-16 Cisco Technology, Inc. System and method for detection of primary spectrum users
KR101243685B1 (ko) * 2005-09-16 2013-03-14 코닌클리케 필립스 일렉트로닉스 엔.브이. 동적 스펙트럼 액세스 무선 시스템에서 통신 액세스를복구하는 방법
US20080219201A1 (en) * 2005-09-16 2008-09-11 Koninklijke Philips Electronics, N.V. Method of Clustering Devices in Wireless Communication Network
US7424269B2 (en) * 2005-09-29 2008-09-09 Intel Corporation System, method and device of radar detection
EP1777531A1 (de) 2005-10-24 2007-04-25 Mitsubishi Electric Information Technology Centre Europe B.V. Analyse von Impulszügen
US7702044B2 (en) * 2005-12-05 2010-04-20 Marvell World Trade, Ltd. Radar detection and dynamic frequency selection
US7747222B2 (en) * 2005-12-09 2010-06-29 Marvell World Trade Ltd. Detection and estimation of radio frequency variations
US7414572B2 (en) * 2006-03-02 2008-08-19 Motorola, Inc. Method and apparatus for signal detection
KR101235801B1 (ko) * 2006-03-08 2013-02-21 삼성전자주식회사 5ＧＨｚ를 사용하는 무선 랜에서 레이더 신호를 검출하는방법 및 장치
DE112007000993B4 (de) * 2006-04-20 2018-08-30 Wireless Audio Ip B.V. System und Verfahren für Interferenz-bzw. Störungsidentifikation und Frequenzzuweisung
US8997170B2 (en) 2006-12-29 2015-03-31 Shared Spectrum Company Method and device for policy-based control of radio
US8055204B2 (en) 2007-08-15 2011-11-08 Shared Spectrum Company Methods for detecting and classifying signals transmitted over a radio frequency spectrum
KR100772417B1 (ko) * 2006-09-26 2007-11-01 삼성전자주식회사 다이렉트 링크를 이용한 무선네트워크 통신 방법 및 그장치
US7570193B2 (en) * 2007-01-22 2009-08-04 Bandspeed, Inc. Detecting and recognizing long duration waveforms
US7958041B2 (en) 2007-03-06 2011-06-07 Spectrum Bridge, Inc. Spectrum management system
US7596461B2 (en) * 2007-07-06 2009-09-29 Cisco Technology, Inc. Measurement of air quality in wireless networks
EP2015459A1 (de) * 2007-07-12 2009-01-14 STMicroelectronics N.V. Verfahren zum Erkennen der eventuellen Anwesenheit eines Störsignals, beispielsweise eines Radarsignals, das eine drahtlose Vorrichtung stören kann, beispielsweise eine Ultrabreitbandvorrichtung, und entsprechende Vorrichtung
US8116687B2 (en) * 2007-07-25 2012-02-14 Freescale Semiconductor, Inc. Dynamic frequency selection in wireless devices
US7848219B1 (en) 2007-08-07 2010-12-07 Atheros Communications, Inc. Radar detection for wireless communication devices
JP4575409B2 (ja) * 2007-08-22 2010-11-04 株式会社東芝 無線通信装置
US20090160696A1 (en) * 2007-12-21 2009-06-25 Ralink Technology Corporation Configurable radar detection and avoidance system for wireless ofdm tranceivers
US7929508B1 (en) 2008-06-11 2011-04-19 Atheros Communications, Inc. Radio frequency signal analysis and classification using time-frequency information
US8310967B1 (en) 2008-06-19 2012-11-13 Marvell International Ltd. Infrastructure and ad-hoc node device
US20100042350A1 (en) * 2008-08-12 2010-02-18 Certrite Llc Doppler radar gun certification system
US8081615B2 (en) * 2008-10-10 2011-12-20 Mediatek Inc. Method and apparatus to allow coexistence between wireless devices
JP5197317B2 (ja) * 2008-11-19 2013-05-15 ラピスセミコンダクタ株式会社 無線ｌｓｉ装置及び妨害波検出回路
US9288764B1 (en) * 2008-12-31 2016-03-15 Marvell International Ltd. Discovery-phase power conservation
US8305971B2 (en) * 2009-01-13 2012-11-06 Cisco Technology, Inc. Utilizing persistent interference information for radio channel selection
US8472427B1 (en) 2009-04-06 2013-06-25 Marvell International Ltd. Packet exchange arbitration for coexisting radios
US20100296554A1 (en) * 2009-05-19 2010-11-25 Ralink Technology (Singapore) Corporation Method and system for detecting data from multiple antennas
US8340034B1 (en) 2009-11-11 2012-12-25 Marvell International Ltd. Bluetooth and wireless LAN arbitration
US9132773B2 (en) 2009-12-07 2015-09-15 Cobra Electronics Corporation Mobile communication system and method for analyzing alerts associated with vehicular travel
US9848114B2 (en) 2009-12-07 2017-12-19 Cobra Electronics Corporation Vehicle camera system
CN102753988A (zh) * 2009-12-07 2012-10-24 科布拉电子有限公司 对来自网络化雷达检测器的数据的分析
KR101710469B1 (ko) * 2009-12-17 2017-02-28 삼성전자주식회사 레이더 신호를 검출하기 위한 방법
PH12012501481A1 (en) 2009-12-22 2012-10-22 Cobra Electronics Corp Radar detector that interfaces with a mobile communication device
US8576817B2 (en) 2010-04-08 2013-11-05 Spectrum Bridge, Inc. System and method for managing radio access to spectrum and to a spectrum management system
US8767771B1 (en) 2010-05-11 2014-07-01 Marvell International Ltd. Wakeup beacons for mesh networks
KR101616491B1 (ko) 2010-10-20 2016-04-28 마벨 월드 트레이드 리미티드 프리-어소시에이션 디스커버리
JP5719192B2 (ja) * 2011-02-17 2015-05-13 株式会社Ｎｔｔドコモ 無線局、干渉回避方法及びシステム
US8644868B2 (en) 2011-03-07 2014-02-04 Spectrum Bridge, Inc. System and method for managing spectrum allocation
US8750278B1 (en) 2011-05-26 2014-06-10 Marvell International Ltd. Method and apparatus for off-channel device invitation
US8831625B2 (en) 2011-08-03 2014-09-09 Spectrum Bridge, Inc. Systems and methods for processing spectrum coexistence information to optimize spectrum allocation
US8948801B2 (en) 2011-08-03 2015-02-03 Spectrum Bridge, Inc. Systems and methods for provisioning and allocating a commoditized spectrum object
US9125216B1 (en) 2011-09-28 2015-09-01 Marvell International Ltd. Method and apparatus for avoiding interference among multiple radios
US20130128927A1 (en) * 2011-11-18 2013-05-23 Qualcomm Atheros, Inc. System and method for detecting chirping radar pulses
US9036517B2 (en) 2012-01-09 2015-05-19 Marvell World Trade Ltd. Methods and apparatus for establishing a tunneled direct link setup (TDLS) session between devices in a wireless network
KR101300595B1 (ko) * 2012-03-06 2013-08-28 (주)아이앤씨테크놀로지 무선 통신 장치 및 이의 레이더 신호 검출 방법
US9609676B1 (en) 2012-03-30 2017-03-28 Marvell International Ltd. Efficient transition from discovery to link establishment
US8660219B2 (en) * 2012-04-03 2014-02-25 Summit Semiconductor Llc Circuit and method for distinguishing between an OFDM signal and a radar signal
EP2842381B1 (de) * 2012-04-23 2017-09-06 Intel Corporation Systeme und verfahren zur interferenzunterdrückung für eine peer-to-peer-netzwerkverbindung
US20130314267A1 (en) * 2012-05-24 2013-11-28 Thomas J. Kenney Multi-band scanning for radar detection in wi-fi systems
US9279881B2 (en) 2013-03-12 2016-03-08 Escort Inc. Radar false alert reduction
US20160219598A1 (en) * 2013-11-14 2016-07-28 Nokia Corporation Enabling coexistence between wireless networks and radar systems
US9775164B2 (en) * 2014-01-28 2017-09-26 Netgear, Inc. Automatic wireless network channel selection
US20160337868A1 (en) * 2014-02-28 2016-11-17 Intel IP Corporation Access point and method for coexistence of wi-fi and airborne radars in the 5 ghz band
PL3114884T3 (pl) 2014-03-07 2020-05-18 Ubiquiti Inc. Uwierzytelnianie i identyfikacja urządzenia w chmurze
JP2015201796A (ja) * 2014-04-09 2015-11-12 東芝三菱電機産業システム株式会社 船舶用無線制御装置
CN109905842B (zh) * 2014-06-30 2020-11-17 优倍快公司 确定无线传输特征的方法
PL3187002T3 (pl) 2014-08-31 2021-11-08 Ubiquiti Inc. Sposoby i przyrządy do monitorowania i usprawniania stanu technicznego sieci bezprzewodowej
US20160077134A1 (en) * 2014-09-12 2016-03-17 Qualcomm Incorporated Enhanced radar detection for communication networks
JP6601408B2 (ja) 2014-10-16 2019-11-06 ソニー株式会社 通信制御装置、通信制御方法及び無線通信方法
US9550583B2 (en) 2015-03-03 2017-01-24 Honeywell International Inc. Aircraft LRU data collection and reliability prediction
EP3139139B1 (de) * 2015-09-01 2021-11-10 VEGA Grieshaber KG Füllstandmessgerät mit störsignal-erfassungsmodus
WO2017058906A1 (en) 2015-09-28 2017-04-06 Escort Inc. Radar detector with multi-band directional display and enhanced detection of false alerts
CN108476410B (zh) * 2015-10-22 2022-07-29 瑞典爱立信有限公司 用于在共享频谱中的雷达检测的方法和系统
US10020900B2 (en) * 2016-06-03 2018-07-10 Federated Wireless, Inc. Apparatus and method for providing spectrum information using spectrum-related functions
US10299290B2 (en) * 2016-09-30 2019-05-21 Intel IP Corporation Apparatus, system and method of radar detection
US10958365B2 (en) * 2016-11-09 2021-03-23 Sony Semiconductor Solutions Corporation Reception apparatus, reception method, transmission apparatus, and transmission method
US10271264B2 (en) 2017-08-31 2019-04-23 Hewlett Packard Enterprise Development Lp Identifying as access point operating on a particular wireless communication channel that fails to detect a particular radar event
US11061108B1 (en) 2017-12-18 2021-07-13 Escort Inc. Sliding window discrete Fourier transform (SWDFT) police signal warning receiver
KR102175951B1 (ko) 2019-01-07 2020-11-09 한국전자통신연구원 광대역 펄스 탐지기 및 그것의 동작 방법
US12028796B2 (en) * 2019-03-12 2024-07-02 Cypress Semiconductor Corporation GPS-assisted collaborative and signaling-aided WLAN DFS operation
RU198837U1 (ru) * 2019-12-04 2020-07-30 Федеральное государственное казенное военное образовательное учреждение высшего образования "Ярославское высшее военное училище противовоздушной обороны" Министерства обороны Российской Федерации Корреляционно-фильтровой обнаружитель пачки радиоимпульсов
CN111209146B (zh) * 2019-12-23 2023-08-22 曙光信息产业(北京)有限公司 一种raid卡老化测试方法及系统
US12571909B2 (en) 2022-09-28 2026-03-10 Deere & Company Systems and methods for controlling the operation of a vehicular radar system
US12436273B2 (en) * 2022-09-28 2025-10-07 Deere & Company Systems and methods for scheduling radar scan patterns in a vehicular radar system
US12613327B1 (en) 2022-09-28 2026-04-28 Deere & Company Systems and methods for prioritizing detected objects in a vehicular radar system
IL300929B2 (en) * 2023-02-22 2024-04-01 Elbit Systems Ew And Sigint Elisra Ltd Electronic warfare system and method

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660844A (en) 1970-05-04 1972-05-02 Sierra Research Corp Radar detector and identifier
US4181910A (en) 1977-12-14 1980-01-01 Northrop Corporation Portable radar-detecting receiver
USH1005H (en) * 1990-12-26 1991-12-03 United States Of America Gram-schmidt space-time adaptive filter using transverse orthonormal ladder filters
US5473332A (en) * 1994-08-10 1995-12-05 Mcdonnell Douglas Corporation RFI suppression circuit and method
US5657326A (en) 1994-12-20 1997-08-12 3Com Corporation Radio based collision detection for wireless communication system
US5933420A (en) 1996-04-30 1999-08-03 3Com Corporation Method and apparatus for assigning spectrum of a wireless local area network
SE507796C2 (sv) 1996-11-15 1998-07-13 Ericsson Telefon Ab L M Förfarande och system för datareducering av radarsignalers ankomsttider.
US5946118A (en) 1997-02-04 1999-08-31 Digital Equipment Corporation Communication collision detection
GB2347055A (en) 1999-02-17 2000-08-23 3Com Corp Network connections
US6351502B1 (en) 2000-01-13 2002-02-26 Atheros Communications, Inc. RF front-end with multistage stepdown filtering architecture
JP2001298763A (ja) * 2000-02-09 2001-10-26 Sony Corp 無線通信装置、無線通信システム及び無線通信方法
IL134518A0 (en) 2000-02-13 2001-04-30 Hexagon System Engineering Ltd Integrated radar and communication system
JP2001237846A (ja) * 2000-02-23 2001-08-31 Nippon Telegr & Teleph Corp <Ntt> 通信方法ならびに同方法を用いた通信システム
JP3461779B2 (ja) * 2000-02-23 2003-10-27 日本電信電話株式会社 ディジタル無線通信システムにおけるパケット信号送信装置
US20020155811A1 (en) * 2001-04-18 2002-10-24 Jerry Prismantas System and method for adapting RF transmissions to mitigate the effects of certain interferences
US6721547B2 (en) * 2001-05-04 2004-04-13 Atheros Communications, Inc. In-band and out-of-band signal detection for automatic gain calibration systems
US7280517B2 (en) * 2001-11-02 2007-10-09 At&T Corp. Wireless LANs and neighborhood capture
US6697013B2 (en) * 2001-12-06 2004-02-24 Atheros Communications, Inc. Radar detection and dynamic frequency selection for wireless local area networks
US6870815B2 (en) * 2003-01-30 2005-03-22 Atheros Communications, Inc. Methods for implementing a dynamic frequency selection (DFS) and a temporary channel selection feature for WLAN devices
WO2004092763A2 (en) * 2003-04-08 2004-10-28 Globespanvirata, Inc. Radar detector having a multi-period peridocity validator and method therefor

Also Published As

Publication number Publication date
EP1502126B1 (de) 2011-06-22
US20030214430A1 (en) 2003-11-20
US6891496B2 (en) 2005-05-10
US7129884B1 (en) 2006-10-31
EP1502126A1 (de) 2005-02-02
US6954171B2 (en) 2005-10-11
US20030206130A1 (en) 2003-11-06
WO2003093860A1 (en) 2003-11-13
KR100990538B1 (ko) 2010-10-29
TWI242078B (en) 2005-10-21
KR20040102193A (ko) 2004-12-03
TW200401115A (en) 2004-01-16
AU2003243203A1 (en) 2003-11-17

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