Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1994-03-28
1995-10-03
Pascal, Leslie
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359139, 359121, 359165, H04J 1408
Patent
active
054557011
ABSTRACT:
A high-speed, high-capacity, asynchronous transfer mode packet switching system comprises electronic and optical components. The switching system may be a high-capacity multiple-gigabit-per-second optical system controlled by a relatively low-speed electronic controller operating at one hundred megabit-per-second rates. The switching system comprises a plurality of N input lines. Each of the N lines carries a succession of data packets or cells to the switching system. Each of the cells is input to the switch in time slots or cell periods of predetermined duration. A laser transmitter producing a separate and distinct carrier frequency identifying its associated input is responsive to each of the N input lines. The laser transmitters are connected to the input of an optical star coupler which is connected to a series of tunable receivers. There is one tunable receiver for each output of the switching system. Groups of tunable receivers are connected to the inputs of a series of relatively small packet switching modules. The receivers are tuned by a relatively low-speed electronic controller. The controller is responsive to header information in the incoming cells and produces a series of control packets having, for example, activity, priority, and source information. The control packets are pipelined through the controller and sent to the appropriate tunable receivers where they indicate which frequency coming out of the star coupler they should be tuned, thereby causing each receiver to be receptive to the output of an appropriate one of the laser transmitters.
REFERENCES:
patent: 3428946 (1969-02-01), Batcher et al.
patent: 4630254 (1986-12-01), Tseng
patent: 4710914 (1987-12-01), Robieux
patent: 4726644 (1988-02-01), Mathis
patent: 4731878 (1988-03-01), Vaidya
patent: 4748617 (1988-05-01), Drenlo
patent: 4755986 (1988-07-01), Hirata
patent: 4797879 (1989-01-01), Habbab et al.
patent: 4873681 (1989-10-01), Arthurs et al.
patent: 4899333 (1990-02-01), Roediger
patent: 4955016 (1990-09-01), Eng et al.
patent: 4955017 (1990-09-01), Eng et al.
patent: 5005167 (1991-04-01), Arthurs
patent: 5093743 (1992-03-01), Eng
K. Y. Eng., "A Photonic Knockout Switch for High-Speed Packet Networks," IEEE Journal of Selected Areas in Communications vol. 6, No. 7, Aug. 1988, pp. 1107-1116.
K. Y Eng, "A Photonic Knockout Switch for High-Speed Packet Networks," IEEE Globecom 87, vol. 3, Nov. 1987, pp. 1861-1865.
K. Y. Eng and M. J. Karol "The Growable Switch Architecture: A Self-Routing Implementation for Large ATM Applications", IEEE Int. Conf. on Communications ICC91, vol. 2, Jun. 1991, pp. 1014-1020.
I. Leslie and S. McAuley, "Fairisle: An ATM Network for the Local Area" Computer Communications Review vol. 21, No. 4, Sep. 3, 1991, pp. 327-336.
Midwinter et al., "Frequency-Division-Multiplex Coherent Optical Switch . . . ", Proc. of the OSA Topical Meeting on Photonic Switching, Mar. 1-3, 1989, Salt Lake City, Utah, pp. 260-262.
E. Arthurs e tal., "HYPASS: An Optoelectronic Hybrid Packet Switching System", IEEE Jour. of Selected Areas In Comm., vol. 6, No. 9, Dec. 1988, pp. 1500-1510.
T. T. Lee, et al., "A Broadband Optical Multicast Switch," International Switching Symposium, May 27-Jun. 1, 1990, vol. III, pp. 9-13.
Eng Kai Y.
Karol Mark J.
AT&T Corp.
Indyk Eugene S.
Pascal Leslie
LandOfFree
Packet switching apparatus using pipeline controller does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Packet switching apparatus using pipeline controller, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Packet switching apparatus using pipeline controller will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1081187