Optical communication network using a code division...

Details Optical communication network using a code division... Optical communication network using a code division...

2008-01-29

2008-01-29

Tran, Dzung (Department: 2613)

Optical communications

Multiplex

Code division multiplexing

C398S075000, C398S078000

Reexamination Certificate

active

10752573

ABSTRACT:
The present invention is a high-speed and low-cost optical communication network. A preferred embodiment of this optical communication network comprises an accommodation device, optical couplers that are connected to corresponding ports of this accommodation device, and communication terminals that are connected to corresponding optical couplers. Further, data transmitted by the communication terminals to the accommodation device is code-division multiplexed. Because data collision is prevented by means of code division multiplexing, control of the timing with which the communication terminals transmit data is not required. Meanwhile, data transmitted by the accommodation device to the communication terminals is time-division multiplexed because there is no risk of collision.

REFERENCES:
patent: 4703474 (1987-10-01), Foschini et al.
patent: 6574268 (2003-06-01), Bergamo
patent: 7076168 (2006-07-01), Shattil
“xDSL/FTTH textbook”, T. Miki, et al. (supervisors), published by ASCH on Oct. 11, 1999.
“ATM-PON”, Oki Electric Research & Development, Apr. 200, issue 182, vol. 67, No. 1.
“Gigabit Ethernet textbook” ASCH, K. Seto, et al. (supervisors), published by ASCII on Mar. 11, 1999.

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