CA2446281A1 - N-way broadcast/narrowcast combiner - Google Patents
N-way broadcast/narrowcast combiner Download PDFInfo
- Publication number
- CA2446281A1 CA2446281A1 CA002446281A CA2446281A CA2446281A1 CA 2446281 A1 CA2446281 A1 CA 2446281A1 CA 002446281 A CA002446281 A CA 002446281A CA 2446281 A CA2446281 A CA 2446281A CA 2446281 A1 CA2446281 A1 CA 2446281A1
- Authority
- CA
- Canada
- Prior art keywords
- optical
- signal
- narrowcast
- tap coupler
- combiner
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
- H04B10/27—Arrangements for networking
- H04B10/272—Star-type networks or tree-type networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0016—Construction using wavelength multiplexing or demultiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0037—Operation
- H04Q2011/0039—Electrical control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0037—Operation
- H04Q2011/0047—Broadcast; Multicast
Abstract
Systems and methods are described for an optiplex. A method includes: conveying a first narrowcast signal (602) to a first optical combiner (700); conveying a second narrowcast signal (602) to a second optical combiner (700 ); tapping to the first narrowcast signal (650); monitoring a first characteristic of the first narrowcast signal; combining a broadcast signal (505) with the first narrowcast signal using the first optical combiner (602 ); and combining the broadcast signal (505) with the second narrowcast signal (602) using the second optical combiner (700). An apparatus includes: a firs t optical input (500); an optical splitter (504) connected to the first optica l input (500); a first optical waveguide (505) connected to the optical splitt er (504); a second optical waveguide (505) connected to the optical splitter (504); a first optical combiner (700) connected to the first optical waveguide; a second optical combiner connected to the second optical wavegui de (700); a second optical input (602); and optical demulitplexer (601); a thir d and fourth optical waveguide (602) connected to the optical demultiplexer (601); a first/second tap coupler (603) connected to the third/fourth optica l waveguide (602) and the first/second optical combiner (700); a first optical signal sensor (604) coupled to both the first tap coupler (603) and a signal processing unit (400) and a second optical signal sensor (604) coupled to bo th the second tap coupler (603) and the signal processing unit (400).
Claims (22)
1. A method, comprising:
conveying a first narrowcast signal to a first optical combiner;
conveying a second narrowcast signal to a second optical combiner;
tapping into said first narrowcast signal;
monitoring a first characteristic of said first narrowcast signal;
tapping into said second narrowcast signal;
monitoring a second characteristic of said second narrowcast signal;
combining a broadcast signal with the first narrowcast signal using the first optical combiner;
and combining said broadcast signal with the second narrowcast signal using the second optical combiner.
conveying a first narrowcast signal to a first optical combiner;
conveying a second narrowcast signal to a second optical combiner;
tapping into said first narrowcast signal;
monitoring a first characteristic of said first narrowcast signal;
tapping into said second narrowcast signal;
monitoring a second characteristic of said second narrowcast signal;
combining a broadcast signal with the first narrowcast signal using the first optical combiner;
and combining said broadcast signal with the second narrowcast signal using the second optical combiner.
2. The method of claim 1, further comprising:
tapping into said broadcast signal; and monitoring a third characteristic of said broadcast signal.
tapping into said broadcast signal; and monitoring a third characteristic of said broadcast signal.
3. The method of claim 2, further comprising adjusting a power of said broadcast signal as a function of said third characteristic.
4. The method of claim 1, further comprising:
demultiplexing a multiplexed narrowcast input signal into said first narrowcast signal and said second narrowcast signal.
demultiplexing a multiplexed narrowcast input signal into said first narrowcast signal and said second narrowcast signal.
5. The method of claim 1, further comprising:
adjusting a first power of said first narrowcast signal as a function of said first characteristic;
and adjusting a second power of said second narrowcast signal as a function of said second characteristic.
adjusting a first power of said first narrowcast signal as a function of said first characteristic;
and adjusting a second power of said second narrowcast signal as a function of said second characteristic.
6. A computer program, comprising computer or machine readable program elements translatable for implementing the method of claim 1.
7. An apparatus for performing the method of claim 1.
8. An electromagnetic waveform produced by the method of claim 1.
9. An electronic media, comprising a program for performing the method of claim 1.
10. An apparatus, comprising the electronic media of claim 9.
11. A process, comprising deploying the apparatus of claim 10.
12. The method of claim 1, further comprising:
monitoring a third characteristic of said broadcast input signal.
monitoring a third characteristic of said broadcast input signal.
13. The method of claim 1, further comprising:
adjusting a third power of said broadcast signal as a function of said third characteristic.
adjusting a third power of said broadcast signal as a function of said third characteristic.
14. An apparatus, comprising:
a first optical input;
an optical splitter connected to said first optical input;
a first optical waveguide comiected to said optical splitter;
a second optical waveguide connected to said optical splitter;
a first optical combiner connected to said first optical waveguide;
a second optical combiner connected to said second optical waveguide;
a second optical input;
an optical demulitplexer connected to said second optical input;
a third optical waveguide connected to said optical demultiplexer;
a fourth optical waveguide connected to said optical demultiplexer;
a first tap coupler connected to said third optical waveguide and said first optical combiner;
a second tap coupler connected to said forth optical waveguide and said second optical combiner;
a first optical signal sensor coupled to both said first tap coupler and a signal processing unit;
and a second optical signal sensor coupled to both said second tap coupler and said signal processing unit.
a first optical input;
an optical splitter connected to said first optical input;
a first optical waveguide comiected to said optical splitter;
a second optical waveguide connected to said optical splitter;
a first optical combiner connected to said first optical waveguide;
a second optical combiner connected to said second optical waveguide;
a second optical input;
an optical demulitplexer connected to said second optical input;
a third optical waveguide connected to said optical demultiplexer;
a fourth optical waveguide connected to said optical demultiplexer;
a first tap coupler connected to said third optical waveguide and said first optical combiner;
a second tap coupler connected to said forth optical waveguide and said second optical combiner;
a first optical signal sensor coupled to both said first tap coupler and a signal processing unit;
and a second optical signal sensor coupled to both said second tap coupler and said signal processing unit.
15. The apparatus of claim 14, further comprising:
a third tap coupler connected between said optical splitter and an optical signal carrier selected from the group consisting of said first optical wave guide and said second optical wave guide; and a third optical signal sensor coupled to both said third tap coupler and said signal processing unit.
a third tap coupler connected between said optical splitter and an optical signal carrier selected from the group consisting of said first optical wave guide and said second optical wave guide; and a third optical signal sensor coupled to both said third tap coupler and said signal processing unit.
16. the apparatus of claim 15, further comprising:
a variable optical attenuator coupled to said third tap coupler.
a variable optical attenuator coupled to said third tap coupler.
17. The apparatus of claim 14, further comprising:
a third tap coupler connected between said first optical input and said optical splitter; and a third optical signal sensor coupled to both said third tap coupler and said signal processing unit.
a third tap coupler connected between said first optical input and said optical splitter; and a third optical signal sensor coupled to both said third tap coupler and said signal processing unit.
18. The apparatus of claim 17, further comprising:
a variable optical attenuator coupled between said first optical input and said third tap coupler.
a variable optical attenuator coupled between said first optical input and said third tap coupler.
19. The apparatus of claim 14, further comprising:
a first variable optical attenuator coupled between said third optical waveguide and said first tap coupler; and a second variable optical attenuator coupled between said fourth optical waveguide and said second tap coupler.
a first variable optical attenuator coupled between said third optical waveguide and said first tap coupler; and a second variable optical attenuator coupled between said fourth optical waveguide and said second tap coupler.
20. A method for combining broadcast and narrowcast signals which comprises utilizing the apparatus of claim 14.
21. The apparatus of claim 14, further comprising said signal processing unit.
22. A network, comprising the apparatus of claim 14.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/850,935 US7266298B2 (en) | 2001-05-07 | 2001-05-07 | N-way broadcast/narrowcast optical combiner demultiplexing a multiplexed narrowcast input signal |
| US09/850,935 | 2001-05-07 | ||
| PCT/US2002/014453 WO2002091031A2 (en) | 2001-05-07 | 2002-05-07 | N-way broadcast/narrowcast combiner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2446281A1 true CA2446281A1 (en) | 2002-11-14 |
| CA2446281C CA2446281C (en) | 2010-07-27 |
Family
ID=25309490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2446281A Expired - Lifetime CA2446281C (en) | 2001-05-07 | 2002-05-07 | N-way broadcast/narrowcast combiner |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US7266298B2 (en) |
| EP (1) | EP1386182B1 (en) |
| AT (1) | ATE422743T1 (en) |
| AU (1) | AU2002309665A1 (en) |
| CA (1) | CA2446281C (en) |
| DE (1) | DE60231113D1 (en) |
| ES (1) | ES2324206T3 (en) |
| WO (1) | WO2002091031A2 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7266298B2 (en) * | 2001-05-07 | 2007-09-04 | Aurora Networks, Inc. | N-way broadcast/narrowcast optical combiner demultiplexing a multiplexed narrowcast input signal |
| US20050213992A1 (en) * | 2004-03-25 | 2005-09-29 | Piehler David M | Method and apparatus for optical transmission of data |
| US8406629B2 (en) * | 2006-11-22 | 2013-03-26 | General Instrument Corporation | Architecture to communicate with standard hybrid fiber coaxial RF signals over a passive optical network (HFC PON) |
| WO2008070441A1 (en) * | 2006-11-22 | 2008-06-12 | General Instrument Corporation | Architecture to communicate with standard hybrid fiber coaxial rf signals over a passive optical network (hfc pon) |
| US8826359B2 (en) | 2010-01-22 | 2014-09-02 | Gainspeed, Inc. | HFC cable system with shadow fiber and coax fiber terminals |
| US8863213B2 (en) * | 2010-01-22 | 2014-10-14 | Gainspeed, Inc. | Methods of adaptive cancelling and secondary communications channels for extended capability HFC cable systems |
| US9521464B2 (en) | 2010-01-22 | 2016-12-13 | Gainspeed, Inc. | HFC cable system with alternative wideband communications pathways and coax domain amplifier-repeaters |
| US9923751B2 (en) * | 2011-07-01 | 2018-03-20 | Arris Enterprises Llc | Overlay system with digital optical transmitter for digitized narrowcast signals |
| US8670668B2 (en) * | 2011-09-19 | 2014-03-11 | Arris Enterprises, Inc. | Digitizer for use in an overlay system with digital optical transmitter for digitized narrowcast signals |
| US20150093073A1 (en) * | 2013-09-30 | 2015-04-02 | Anue Systems, Inc. | Optical Tap Modules Having Integrated Splitters And Aggregated Multi-Fiber Tap Output Connectors |
| JP6578962B2 (en) * | 2016-01-25 | 2019-09-25 | 富士通株式会社 | Optical transmission device, optical transmission system, and optical signal output control method |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5177628A (en) | 1990-04-24 | 1993-01-05 | The University Of Colorado Foundation, Inc. | Self-powered optically addressed spatial light modulator |
| US5317198A (en) | 1990-06-26 | 1994-05-31 | The Mitre Corporation | Optically controlled remote by-pass switch |
| US5321541A (en) | 1991-12-12 | 1994-06-14 | At&T Bell Laboratories | Passive optical communication network with broadband upgrade |
| US5457562A (en) * | 1994-05-20 | 1995-10-10 | Ericsson Raynet Corporation | Narrowcast optical communication networks and methods |
| JPH08278523A (en) * | 1995-04-05 | 1996-10-22 | Hitachi Ltd | Light amplifier |
| DE19519735A1 (en) | 1995-06-02 | 1996-12-05 | Sel Alcatel Ag | Optically controlled optical coupling module, method for optically controlling an optical switching network and optical switching network |
| US5747526A (en) | 1996-01-25 | 1998-05-05 | Hollinshead; Ariel C. | Anti-HIV /Aids Chemo(C)-, immuno(I)-, or ci-therapy using tur (or related compounds) and/or NVA (or EPV) |
| US5726788A (en) | 1996-09-30 | 1998-03-10 | Mci Corporation | Dynamically reconfigurable optical interface device using an optically switched backplane |
| US5714773A (en) | 1996-10-15 | 1998-02-03 | Lucent Technologies Inc. | Photodiode array for remotely powered lightwave networks |
| US5859719A (en) | 1996-10-15 | 1999-01-12 | Lucent Technologies Inc. | Photogenerator for lightwave networks |
| US6195362B1 (en) * | 1996-11-08 | 2001-02-27 | At&T Corporation | Resource pooling system and method in communication systems |
| US5923450A (en) * | 1998-09-30 | 1999-07-13 | Alcatel Network Systems, Inc. | Optical channel regulator and method |
| US6389471B1 (en) * | 1998-07-07 | 2002-05-14 | At&T Corp. | Network broadcasting system for broadcasting audiovisual information to an identified audience |
| US6271953B1 (en) * | 1998-09-02 | 2001-08-07 | Harris Corporation | Method and system for optical free space communications using non-mechanical beam steering |
| WO2001025455A2 (en) | 1999-10-04 | 2001-04-12 | Medicago Inc. | Promoter for regulating expression of foreign genes |
| US6452708B1 (en) | 2000-01-11 | 2002-09-17 | Aurora Networks, Inc. | Reverse digitized communications architecture |
| US6456851B1 (en) | 2000-03-06 | 2002-09-24 | Aurora Networks, Inc. | Wireless communications architecture |
| US6501871B1 (en) | 2000-09-08 | 2002-12-31 | Aurora Networks, Inc. | Active equipment protection methods and apparatus communicatively decoupling data add/drops |
| US6757493B1 (en) | 2000-09-08 | 2004-06-29 | Aurora Networks, Inc. | Communication link with non-intrusive expansion capability |
| US6523916B2 (en) | 2000-12-22 | 2003-02-25 | Aurora Networks, Inc. | Chassis with repositionable plates |
| US6498732B2 (en) | 2000-12-22 | 2002-12-24 | Aurora Networks, Inc. | Chassis for front and back inserted modules |
| US7266298B2 (en) | 2001-05-07 | 2007-09-04 | Aurora Networks, Inc. | N-way broadcast/narrowcast optical combiner demultiplexing a multiplexed narrowcast input signal |
| US6816639B1 (en) | 2002-03-18 | 2004-11-09 | Aurora Networks | Optically powered and controlled optical switch |
| US6709284B1 (en) | 2002-03-28 | 2004-03-23 | Aurora Networks | Connector mounting with pass-through slot and diverging angle facet |
-
2001
- 2001-05-07 US US09/850,935 patent/US7266298B2/en not_active Expired - Lifetime
-
2002
- 2002-05-07 EP EP02736679A patent/EP1386182B1/en not_active Expired - Lifetime
- 2002-05-07 DE DE60231113T patent/DE60231113D1/en not_active Expired - Lifetime
- 2002-05-07 CA CA2446281A patent/CA2446281C/en not_active Expired - Lifetime
- 2002-05-07 ES ES02736679T patent/ES2324206T3/en not_active Expired - Lifetime
- 2002-05-07 WO PCT/US2002/014453 patent/WO2002091031A2/en not_active Application Discontinuation
- 2002-05-07 AT AT02736679T patent/ATE422743T1/en not_active IP Right Cessation
- 2002-05-07 AU AU2002309665A patent/AU2002309665A1/en not_active Abandoned
-
2007
- 2007-08-02 US US11/890,026 patent/US8111991B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20020164127A1 (en) | 2002-11-07 |
| WO2002091031A3 (en) | 2003-03-20 |
| EP1386182A4 (en) | 2005-10-05 |
| US7266298B2 (en) | 2007-09-04 |
| DE60231113D1 (en) | 2009-03-26 |
| US20070274721A1 (en) | 2007-11-29 |
| CA2446281C (en) | 2010-07-27 |
| WO2002091031A2 (en) | 2002-11-14 |
| EP1386182A2 (en) | 2004-02-04 |
| AU2002309665A1 (en) | 2002-11-18 |
| US8111991B2 (en) | 2012-02-07 |
| EP1386182B1 (en) | 2009-02-11 |
| ATE422743T1 (en) | 2009-02-15 |
| ES2324206T3 (en) | 2009-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20220509 |