IT8020328A0 - Procedimento per la sorveglianza del rapporto segnale rumore su sezioni di trasmissione ottiche. - Google Patents
Procedimento per la sorveglianza del rapporto segnale rumore su sezioni di trasmissione ottiche.Info
- Publication number
- IT8020328A0 IT8020328A0 IT8020328A IT2032880A IT8020328A0 IT 8020328 A0 IT8020328 A0 IT 8020328A0 IT 8020328 A IT8020328 A IT 8020328A IT 2032880 A IT2032880 A IT 2032880A IT 8020328 A0 IT8020328 A0 IT 8020328A0
- Authority
- IT
- Italy
- Prior art keywords
- surveillance
- procedure
- signal
- noise ratio
- optical transmission
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/31708—Analysis of signal quality
- G01R31/3171—BER [Bit Error Rate] test
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
-
- 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
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07955—Monitoring or measuring power
-
- 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
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0797—Monitoring line amplifier or line repeater equipment
-
- 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
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/08—Shut-down or eye-safety
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Communication System (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Dc Digital Transmission (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792911175 DE2911175A1 (de) | 1979-03-22 | 1979-03-22 | Verfahren zur ueberwachung des signal/ rausch-verhaeltnisses auf optischen uebertragungsstrecken |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8020328A0 true IT8020328A0 (it) | 1980-03-03 |
IT1130264B IT1130264B (it) | 1986-06-11 |
Family
ID=6066062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20328/80A IT1130264B (it) | 1979-03-22 | 1980-03-03 | Procedimento per la sorveglianza del rapporto segnale rumore su sezioni di trasmissione ottiche |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS55128942A (it) |
DE (1) | DE2911175A1 (it) |
FR (1) | FR2454220A1 (it) |
GB (1) | GB2045954A (it) |
IT (1) | IT1130264B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4947459A (en) * | 1988-11-25 | 1990-08-07 | Honeywell, Inc. | Fiber optic link noise measurement and optimization system |
ATE119338T1 (de) * | 1989-08-03 | 1995-03-15 | Siemens Ag | Verfahren zur überwachung des betriebszustandes einer elektrooptischen übertragungseinrichtung und schaltungsanordnung zur durchführung des verfahrens. |
GB2272590B (en) * | 1992-11-17 | 1996-06-19 | Northern Telecom Ltd | Optical communications system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3213370A (en) * | 1961-03-13 | 1965-10-19 | Ibm | Signal selecting system with switching at the interstice between data increments |
US4027152A (en) * | 1975-11-28 | 1977-05-31 | Hewlett-Packard Company | Apparatus and method for transmitting binary-coded information |
-
1979
- 1979-03-22 DE DE19792911175 patent/DE2911175A1/de not_active Withdrawn
-
1980
- 1980-03-03 IT IT20328/80A patent/IT1130264B/it active
- 1980-03-13 GB GB8008611A patent/GB2045954A/en not_active Withdrawn
- 1980-03-20 FR FR8006251A patent/FR2454220A1/fr not_active Withdrawn
- 1980-03-21 JP JP3480580A patent/JPS55128942A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS55128942A (en) | 1980-10-06 |
DE2911175A1 (de) | 1980-09-25 |
GB2045954A (en) | 1980-11-05 |
IT1130264B (it) | 1986-06-11 |
FR2454220A1 (fr) | 1980-11-07 |
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