Optical communications – Multiplex – Hybrid
Reexamination Certificate
1998-05-11
2010-06-01
Pascal, Leslie (Department: 2613)
Optical communications
Multiplex
Hybrid
C398S034000, C398S098000
Reexamination Certificate
active
07729615
ABSTRACT:
A method for transmitting signaling and control information for wavelength-division multiplex networks for optical, fiber-bound information transfer in digitized form, the signaling and control information being transmitted via the same optical channel, particularly with the same wavelength, as the useful information, but being encoded and decoded independently thereof, with the result that the control and signaling information can also be accessed independently of the useful information. The use of a time-division multiplex method allowing the different encoding of useful information and control information makes it possible considerably to reduce the technical complexity of passive optical network elements with regard to the routing of the signaling and control information. This method permits the simple, low-cost and transparent transmission of signaling and control information in the optical WDM network.
REFERENCES:
patent: 3636524 (1972-01-01), Holland
patent: 3995120 (1976-11-01), Pachynski, Jr.
patent: 4151373 (1979-04-01), Widmer et al.
patent: 4330858 (1982-05-01), Choquet
patent: 5144305 (1992-09-01), Gotz et al.
patent: 5144466 (1992-09-01), Nakamura et al.
patent: 5323383 (1994-06-01), Satoh
patent: 5535032 (1996-07-01), Böttle
patent: 5576875 (1996-11-01), Chawki et al.
patent: 5644573 (1997-07-01), Bingham et al.
patent: 5663820 (1997-09-01), Shiragaki
patent: 5721732 (1998-02-01), Emeott et al.
patent: 5757800 (1998-05-01), Ishikawa et al.
patent: 5828670 (1998-10-01), Narasimha et al.
patent: 6522666 (2003-02-01), Tzannes et al.
patent: 0 414 333 (1991-02-01), None
patent: 0 547 527 (1993-06-01), None
patent: 0 573 752 (1993-12-01), None
Acampora, Anthony S. “A high capacity metropolitan area network using lightwave transmission and time multiplexed switching.” Communications, IEEE Transactions on, vol. 38, No. 10, Oct. 1990: 1761-1770.
Kamise, C. et al. “Practical implementation of the WD/TD optical network in a broadcast station.” Broadcasting Convention, 1995. IBC 95., International, Sep. 14-18, 1995: pp. 458-463.
Shimosaka, N. et al. “Photonic wavelength-division and time-division hybrid switching system utilizing coherent optical detection.” IEEE Photonics Technology Letters, Apr. 1990: pp. 301-303.
Siperko, C. “LaserNet—A fiber optic intrastate network (planning and engineering considerations).” IEEE Communications Magazine. May 1985, vol. 23, No. 5: 31-45.
Glisic, S. et al. “Efficiency of Digital Synchronous Communication Systems.” IEEE Transactions on Communications, [legacy, pre—1988]. vol. 35, No. 6, Jun. 1987: 679-684.
M. J. Chawki et al., “Management protocol of a reconfigurable WDM ring network using SDH overhead bytes”, OFC 96 Technical Digest FD3, p. 317.
Draft Recommendation ITU-T G.MCS, Geneva, Jun. 1996.
S. Johansson, “Transport Network Involving a Reconfigurable WDM Network Layer—A European Demonstration”, Journal of Lightwave Technology, vol. 14, No. 6, Jun. 1996, pp. 1341-1348.
Chan et al., “A Practical Passive Surveillance Scheme for Optically Amplified Passive Branched Optical Networks,” IEEE Photonics Technology Letters, vol. 9, No. 4, Apr. 1997, pp. 526-528.
Dassow Heiko
Zeffler Klaus-Peter
Deutsche Telekom AG
Kenyon & Kenyon LLP
Pascal Leslie
LandOfFree
Method for transmitting overhead information for wavelength... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for transmitting overhead information for wavelength..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for transmitting overhead information for wavelength... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4173786