TWI350071B - Detection system for identifying faults in a passive optical network - Google Patents

Detection system for identifying faults in a passive optical network

Info

Publication number
TWI350071B
TWI350071B TW095133542A TW95133542A TWI350071B TW I350071 B TWI350071 B TW I350071B TW 095133542 A TW095133542 A TW 095133542A TW 95133542 A TW95133542 A TW 95133542A TW I350071 B TWI350071 B TW I350071B
Authority
TW
Taiwan
Prior art keywords
detection system
optical network
passive optical
identifying faults
faults
Prior art date
Application number
TW095133542A
Other languages
English (en)
Other versions
TW200814567A (en
Inventor
Shien Kuei Liaw
Original Assignee
Univ Nat Taiwan Science Tech
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 Univ Nat Taiwan Science Tech filed Critical Univ Nat Taiwan Science Tech
Priority to TW095133542A priority Critical patent/TWI350071B/zh
Priority to US11/852,622 priority patent/US7800744B2/en
Publication of TW200814567A publication Critical patent/TW200814567A/zh
Application granted granted Critical
Publication of TWI350071B publication Critical patent/TWI350071B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0282—WDM tree architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
TW095133542A 2006-09-11 2006-09-11 Detection system for identifying faults in a passive optical network TWI350071B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW095133542A TWI350071B (en) 2006-09-11 2006-09-11 Detection system for identifying faults in a passive optical network
US11/852,622 US7800744B2 (en) 2006-09-11 2007-09-10 Detection system for identifying faults in passive optical networks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW095133542A TWI350071B (en) 2006-09-11 2006-09-11 Detection system for identifying faults in a passive optical network

Publications (2)

Publication Number Publication Date
TW200814567A TW200814567A (en) 2008-03-16
TWI350071B true TWI350071B (en) 2011-10-01

Family

ID=39169266

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095133542A TWI350071B (en) 2006-09-11 2006-09-11 Detection system for identifying faults in a passive optical network

Country Status (2)

Country Link
US (1) US7800744B2 (zh)
TW (1) TWI350071B (zh)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8077298B2 (en) * 2007-05-22 2011-12-13 Chunghwa Telecom Co., Ltd. Apparatus for monitoring optical obstructions in an optical split network and method thereof
US20090285106A1 (en) * 2008-05-15 2009-11-19 Tellabs Vienna, Inc. IPTV fault integration and fault location isolation
US8102779B2 (en) * 2008-10-31 2012-01-24 Howard University System and method of detecting and locating intermittent electrical faults in electrical systems
US8711711B2 (en) 2008-10-31 2014-04-29 Howard University System and method of detecting and locating intermittent and other faults
US8897635B2 (en) * 2008-10-31 2014-11-25 Howard University System and method of detecting and locating intermittent and other faults
TWI400900B (zh) * 2009-01-20 2013-07-01 Univ Nat Chiao Tung Optical sensing system with self - sensing mechanism
CN102365843B (zh) * 2009-03-27 2014-07-23 三菱电机株式会社 局侧装置和光通信系统
US8594496B2 (en) * 2009-11-13 2013-11-26 Futurewei Technologies, Inc. Tunable coherent optical time division reflectometry
CN101924590B (zh) * 2010-08-25 2016-04-13 中兴通讯股份有限公司 无源光网络光纤故障的检测系统和方法
US8724102B2 (en) 2010-12-22 2014-05-13 Telefonaktièbolaget LM Ericsson (publ) Optical time domain reflectometry (OTDR) trace analysis in PON systems
EP2689543B1 (en) * 2011-03-21 2015-11-25 Telefonaktiebolaget L M Ericsson (PUBL) Supervision of wavelength division multiplexed optical networks
CN103620985B (zh) 2011-06-10 2016-12-07 瑞典爱立信有限公司 使用otdr测量的pon监督
EP2726836B1 (en) 2011-06-30 2020-06-24 Telefonaktiebolaget LM Ericsson (publ) Otdr trace analysis in pon systems
CN103890557B (zh) 2011-08-24 2017-09-22 瑞典爱立信有限公司 使用otdr测量的pon监管
EP2748949B1 (en) * 2011-08-24 2015-11-04 Telefonaktiebolaget LM Ericsson (PUBL) Methods and apparatuses for supervision of optical networks
US20130183030A1 (en) * 2012-01-12 2013-07-18 Tyco Electronics Nederland Bv System for testing of optical network
US8693866B1 (en) * 2012-01-20 2014-04-08 Google Inc. Fiber diagnosis system for WDM optical access networks
CN102971974B (zh) * 2012-03-07 2015-09-23 华为技术有限公司 单纤双向光模块及无源光网络系统
BR112012017852B1 (pt) 2012-03-20 2020-02-27 Ericsson Telecomunicações S.A. Sistema para supervisão de uma rede óptica passiva, isolador de comprimento de onda e métodos relacionados
EP2929641B1 (en) * 2012-12-04 2018-10-17 Telefonaktiebolaget LM Ericsson (publ) Routing in a wdm-based pon
US9735866B2 (en) * 2013-10-18 2017-08-15 Telefonica, S.A. Method, system and device for the supervision of optical fibres
US10693555B2 (en) * 2014-09-03 2020-06-23 British Telecommunications Public Limited Company Optical network faulted identification
JP6367745B2 (ja) * 2015-03-24 2018-08-01 東日本電信電話株式会社 遠隔連絡システムおよび遠隔連絡システムを用いる状況判断方法
CN106330297B (zh) * 2015-06-18 2020-06-05 中兴通讯股份有限公司 一种检测光纤故障点的方法和装置
US10033515B2 (en) * 2015-11-20 2018-07-24 Honeywell International Inc. Systems and methods for radio frequency energy multiplexers
WO2020107481A1 (zh) * 2018-11-30 2020-06-04 华为技术有限公司 Pon故障定位的方法和装置
US10996138B2 (en) * 2019-08-30 2021-05-04 Viavi Solutions Inc. Parallel optics based optical time domain reflectometer acquisition
CN110631618B (zh) * 2019-09-23 2021-12-17 苏州光格科技股份有限公司 一种φ-OTDR分布式光纤传感系统断纤定位方法
KR20220037291A (ko) * 2020-09-17 2022-03-24 주식회사 쏠리드 광통신 장치
JP2022167095A (ja) * 2021-04-22 2022-11-04 横河電機株式会社 光パルス試験器
JP7320022B2 (ja) * 2021-04-22 2023-08-02 横河電機株式会社 光パルス試験器

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2751369A (en) * 1945-03-30 1956-06-19 Gen Tire & Rubber Co Pigmented compositions and methods of making same
US3811904A (en) * 1962-06-11 1974-05-21 J Zola Novel coating compositions and their preparation
US3839253A (en) * 1968-04-22 1974-10-01 Balm Paints Ltd Matte aqueous coating compositions containing pigmented synthetic polymer
US3687885A (en) * 1970-04-15 1972-08-29 Du Pont Water base paints having an improved balance of anti-drip and leveling qualities
GB1572837A (en) * 1976-05-06 1980-08-06 Berger Jenson & Nicholson Ltd Coating composition
US4132562A (en) * 1976-08-06 1979-01-02 Marion Darrah And Joseph Y. Houghton, Co-Trustees Intrachromospheruloid/inorganic pigment compositions and processes for producing same
US4194920A (en) * 1976-08-06 1980-03-25 Marion Darrah Intrachromoleucospheruloid pigment compositions and processes for producing same
US4173491A (en) * 1978-03-03 1979-11-06 E. I. Du Pont De Nemours And Company Pigmented microporous silica microspheres by spray processes
FR2430427A1 (fr) * 1978-07-07 1980-02-01 Sinloihi Co Ltd Particules spheriques fines de polymeres contenant des pigments mineraux et/ou des colorants noirs et leur preparation
US4269760A (en) * 1978-11-09 1981-05-26 Sinloihi Company Limited Fine spherical polymer particles containing inorganic pigment and/or coloring agent and process for the preparation thereof
DE3017543A1 (de) * 1980-05-08 1981-11-26 Bayer Ag, 5090 Leverkusen Waessrige dispersionen auf basis von (meth)acrylsaeurealkylester-polymerisaten mit zwei ausgepraegten, praktisch sich nicht ueberlappenden maxima in der teilchengroessenverteilung innerhalb spezieller teilchengroessenbereiche, sowie verfahren zu ihrer herstellung und ihre verwendung
US5106533A (en) * 1988-05-27 1992-04-21 Minnesota Mining And Manufacturing Company Pigment dispersions
US5043376A (en) * 1990-02-26 1991-08-27 Eastman Kodak Company Liquid-dispersible, polymeric colorant compositions and aqueous dispersions
US5314683A (en) * 1990-05-14 1994-05-24 Schlossman David S Method of coupling cosmetic materials and cosmetics containing coupled materials
US5663224A (en) * 1991-12-03 1997-09-02 Rohm And Haas Company Process for preparing an aqueous dispersion
US5321541A (en) * 1991-12-12 1994-06-14 At&T Bell Laboratories Passive optical communication network with broadband upgrade
GB9127293D0 (en) * 1991-12-23 1992-02-19 Ici Plc Coating pigment particles with polymers
GB9202564D0 (en) * 1992-02-07 1992-03-25 Marconi Gec Ltd Optical signal transmission network
US5198547A (en) * 1992-03-16 1993-03-30 South Alabama Medical Science Foundation, Usa Process for N5-formylating tetrahydropteridines
ZA947537B (en) * 1993-09-29 1995-05-26 Ici Australia Operations Water-borne soil resistant coatings
KR19990036124A (ko) * 1995-08-04 1999-05-25 미리암 디. 메코너헤이 콜로이드성 분산 중합체의 수성 블렌드
CA2195153C (en) * 1997-01-15 2003-12-30 Dennis K. W. Lam Surveillance system for passive branched optical networks
DE19830554A1 (de) * 1998-07-08 2000-01-13 Basf Ag Wässrige, pigmenthaltige Polymerzubereitungen
US6329060B1 (en) * 1999-11-10 2001-12-11 Ppg Industries Ohio, Inc. Solvent-free film-forming compositions for clearcoats, coated substrates and method related thereto
US6387997B1 (en) * 1999-11-10 2002-05-14 Ppg Industries Ohio, Inc. Solvent-free film-forming compositions, coated substrates and method related thereto
US6815010B2 (en) * 2000-05-31 2004-11-09 Rohm and Naas Company Method of inhibiting the loss of solar reflectance over time of an exterior elastomeric
US6635341B1 (en) * 2000-07-31 2003-10-21 Ppg Industries Ohio, Inc. Coating compositions comprising silyl blocked components, coating, coated substrates and methods related thereto
US6812278B2 (en) * 2001-02-28 2004-11-02 Rohm And Haas Company Method of improving viscosity stability upon addition of an aqueous tinting composition
JP4225467B2 (ja) * 2001-03-15 2009-02-18 キャボット コーポレイション 耐食性被覆用組成物
US6596837B2 (en) * 2001-03-27 2003-07-22 Acushnet Company Abrasion resistant coated golf equipment
AU785239B2 (en) * 2001-06-20 2006-11-23 Rohm And Haas Company Aqueous composite particle composition
DE10218866A1 (de) * 2002-04-26 2003-11-13 Ge Bayer Silicones Gmbh & Co Verwendung einer wässrigen Beschichtungszusammensetzung für die Herstellung von Oberflächenbeschichtungen von Dichtungen
US6933415B2 (en) * 2002-06-06 2005-08-23 Basf Ag Low-VOC aqueous coating compositions with excellent freeze-thaw stability
US20040116594A1 (en) * 2002-12-11 2004-06-17 Debkumar Bhattacharjee Polyurethane prepolymer, stable aqueous dispersions with high solids containing the same and method of using and preparing the aqueous dispersions
DE10259246A1 (de) * 2002-12-17 2004-07-01 Merck Patent Gmbh Anorganische sphärische Absorptionspigmente
US20040220322A1 (en) * 2003-02-18 2004-11-04 Gooding Kim D Faux effects pigment compositions
US20050288450A1 (en) * 2003-05-23 2005-12-29 Tim Fletcher Coating matting agent comprising amide condensation product
US7642309B2 (en) * 2004-08-09 2010-01-05 Behr Process Corporation Exterior paint formulation

Also Published As

Publication number Publication date
US20080062408A1 (en) 2008-03-13
US7800744B2 (en) 2010-09-21
TW200814567A (en) 2008-03-16

Similar Documents

Publication Publication Date Title
TWI350071B (en) Detection system for identifying faults in a passive optical network
IL212096A0 (en) Methods and systems for detecting defects on a reticle
EP1838413A4 (en) METHOD FOR DETECTING FAILURE IN A HEATING, VENTILATION AND AIR CONDITIONING SYSTEM
EP2220468A4 (en) SYSTEM AND METHOD FOR THE DETECTION OF FIBER OPTICAL LEAKS, BREAKS AND BUMBS
EP2357737A4 (en) FAULT DETECTION METHOD AND DETECTION DEVICE IN PASSIVE OPTICAL SUBSCRIBER NETWORK AND PASSIVE OPTICAL SUBSCRIBER NETWORK HAVING DETECTION DEVICE
IL193241A0 (en) Method and arrangement for providing lawful access in a telecommunication system
EP2040431A4 (en) SYSTEM AND METHOD FOR MULTI-SERVICE ACCESS
EP2144382A4 (en) METHOD AND DEVICE FOR ERROR DETECTION IN A PASSIVE OPTICAL NETWORK AND PASSIVE OPTICAL NETWORK SYSTEM
EP2329456A4 (en) SYSTEM AND METHOD FOR DETECTING A CAMERA
EP2020149A4 (en) METHOD AND SYSTEM FOR DETERMINING THE SPECTRUM AVAILABILITY IN A WIRELESS NETWORK
EP2041947A4 (en) METHOD FOR OBTAINING INFORMATION OBJECTS IN A COMMUNICATION SYSTEM
EP2054714A4 (en) COMPACT OPTICAL SENSING SYSTEM
GB2443055B (en) Fraud detection system
PT2528366E (pt) Método, dispositivo e sistema para identificação de um equipamento de utilizador
TWI340578B (en) A method for anti-rogue connection in a network system
PL2675094T3 (pl) Sposób w systemie telekomunikacyjnym
EP2118028A4 (en) SYSTEM AND METHOD FOR FIBER MANUFACTURE
GB0612925D0 (en) Method and system for measuring a component
IL201212A0 (en) A method for mobility management in a system architecture supporting mobility between different access systems
GB2469967B (en) System and method for protecting an extended passive optical network
DK1989525T3 (da) Fejldetekteringssystem
EP1990950A4 (en) METHOD FOR MANAGING PASSIVE OPTICAL NETWORK TERMINAL AND SYSTEM THEREOF
EP2106072A4 (en) METHOD, DEVICE AND SYSTEM FOR ROUTING
EP2314023A4 (en) SYSTEM AND METHOD FOR OBTAINING A SECURE NETWORK ON ANOTHER SECURE NETWORK
EP2069936A4 (en) SYSTEM FOR MONITORING / HANDLING INFORMATION LEAKS

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees