DE3570027D1 - Channel monitoring circuit for use in a repeater station of a radio digital transmission system - Google Patents
Channel monitoring circuit for use in a repeater station of a radio digital transmission systemInfo
- Publication number
- DE3570027D1 DE3570027D1 DE8585111495T DE3570027T DE3570027D1 DE 3570027 D1 DE3570027 D1 DE 3570027D1 DE 8585111495 T DE8585111495 T DE 8585111495T DE 3570027 T DE3570027 T DE 3570027T DE 3570027 D1 DE3570027 D1 DE 3570027D1
- Authority
- DE
- Germany
- Prior art keywords
- transmission system
- monitoring circuit
- digital transmission
- channel monitoring
- repeater station
- 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
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 238000012544 monitoring process Methods 0.000 title 1
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
- H04L1/24—Testing correct operation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
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)
- Time-Division Multiplex Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP85111495A EP0214333B1 (de) | 1985-09-11 | 1985-09-11 | Kanalüberwachungsschaltung zur Verwendung in einer Relaisstelle eines numerischen Funkbandübertragungssystems |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3570027D1 true DE3570027D1 (en) | 1989-06-08 |
Family
ID=8193757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585111495T Expired DE3570027D1 (en) | 1985-09-11 | 1985-09-11 | Channel monitoring circuit for use in a repeater station of a radio digital transmission system |
Country Status (5)
Country | Link |
---|---|
US (1) | US4653070A (de) |
EP (1) | EP0214333B1 (de) |
AU (1) | AU576625B2 (de) |
CA (1) | CA1232020A (de) |
DE (1) | DE3570027D1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6295050A (ja) * | 1985-10-22 | 1987-05-01 | Kokusai Denshin Denwa Co Ltd <Kdd> | デイジタル中継器監視用符号の伝送方式 |
US4750175A (en) * | 1986-08-29 | 1988-06-07 | Pactel Communications Companies | Network diagnostic apparatus and method |
DE3638147A1 (de) * | 1986-11-08 | 1988-05-11 | Standard Elektrik Lorenz Ag | Digitales nachrichtenuebertragungssystem mit adressen aufweisenden zwischenregeneratoren und einrichtung zur fehlerortung |
AU603482B2 (en) * | 1987-09-03 | 1990-11-15 | Telstra Corporation Limited | Digital error logger |
JP3149976B2 (ja) * | 1991-10-23 | 2001-03-26 | 日本電気株式会社 | ディジタル通信装置の監視システム |
US5887050A (en) * | 1997-05-09 | 1999-03-23 | Siemens Building Technologies, Inc. | Repeater apparatus having isolation circuit |
US8184677B1 (en) * | 1998-02-27 | 2012-05-22 | Globalfoundries Inc. | Arrangement in a network repeater for monitoring link integrity and automatically down shifting link speed |
US6532215B1 (en) | 1998-08-07 | 2003-03-11 | Cisco Technology, Inc. | Device and method for network communications and diagnostics |
WO2006134539A1 (en) * | 2005-06-13 | 2006-12-21 | Koninklijke Philips Electronics N.V. | Serial interface and process for real-time bit error rate testing |
KR100976501B1 (ko) * | 2005-09-28 | 2010-08-18 | 엘지전자 주식회사 | 브로드캐스트 멀티캐스트 서비스를 위한 셀룰러네트워크에서 데이터를 협동적으로 중계하는 방법 |
CN101369926B (zh) * | 2007-08-13 | 2011-04-20 | 华为技术有限公司 | 无源光网络系统的故障检测方法、系统和设备 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3889109A (en) * | 1973-10-01 | 1975-06-10 | Honeywell Inf Systems | Data communications subchannel having self-testing apparatus |
FR2276744A1 (fr) * | 1974-06-28 | 1976-01-23 | Cit Alcatel | Procede et dispositif de telesurveillance et telelocalisation de repeteurs-regenerateurs d'impulsions |
DE3101797A1 (de) * | 1980-07-22 | 1982-04-01 | Siemens AG, 1000 Berlin und 8000 München | Ueberwachungseinrichtung fuer einen pcm-regenerator mit coderegel-verletzungspruefer |
GB2094110A (en) * | 1981-01-30 | 1982-09-08 | Eltra Corp | A method and apparatus for locating a discontinuity in a data transmission |
IT1161837B (it) * | 1983-05-18 | 1987-03-18 | Telettra Lab Telefon | Sistema e apparecchiatura per la telesorveglianza di trasmissioni di dati |
DE3327517A1 (de) * | 1983-07-29 | 1985-02-07 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und anordnung zur ueberwachung von digital-richtfunkstrecken |
NL8303944A (nl) * | 1983-11-17 | 1985-06-17 | Philips Nv | Werkwijze voor het besturen van een bewakingsinrichting in een digitaal transmissiesysteem. |
-
1985
- 1985-09-06 US US06/773,161 patent/US4653070A/en not_active Expired - Fee Related
- 1985-09-10 AU AU47320/85A patent/AU576625B2/en not_active Ceased
- 1985-09-11 EP EP85111495A patent/EP0214333B1/de not_active Expired
- 1985-09-11 DE DE8585111495T patent/DE3570027D1/de not_active Expired
- 1985-09-12 CA CA000490585A patent/CA1232020A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU576625B2 (en) | 1988-09-01 |
AU4732085A (en) | 1987-03-12 |
CA1232020A (en) | 1988-01-26 |
EP0214333A1 (de) | 1987-03-18 |
US4653070A (en) | 1987-03-24 |
EP0214333B1 (de) | 1989-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |