Optical communication system having loop-back function for infor

Details Optical communication system having loop-back function for infor Optical communication system having loop-back function for infor

1995-09-13

1997-11-11

Chin, Wellington

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359121, 359166, 370249, 370237, H04J 1400, H04B 1000

Patent

active

056870132

ABSTRACT:
An optical communication scheme is carried out by using a network having a plurality of nodes, a first network medium connected to a first group of the nodes, and a second network medium for transmitting control signals and connected to a second group of nodes. When initiating data transmission, any of the nodes transmits a transmission signal to the first network medium, and a receiving node that has received the signal loops-back the same signal to the second network medium thereby communicating information as to a state of congestion at the receiving node. A network for large volume data transmission can be realized by simple hardware and the state of congestion can be controlled using a simple method.

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Arthurs et al, "A Broadband Optoelectronic Packet Switching System", IEEE Transactions on Communications No. 6 Jun./89 pp. 645-647.
P.A. Humblet, et al., "An Efficient Communication Protocol for High-Speed Packet-Switched Multichannel Networks", IEEE Journal on Selected Areas in Communications, vol. 11, No. 4, May 1993, pp. 568-578.

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