Delay/Throughput Performance Analysis Of The Code-Division Multiple-Access (CDMA) Protocol In Optical Fibre Lans

T. O'Farrell; M. Beale

doi:10.1117/12.960963

29 October 1989 Delay/Throughput Performance Analysis Of The Code-Division Multiple-Access (CDMA) Protocol In Optical Fibre Lans

T. O'Farrell, M. Beale

Author Affiliations +

Proceedings Volume 1120, Fibre Optics '89; (1989) https://doi.org/10.1117/12.960963
Event: Sira/Fibre Optics '89, 1989, London, United Kingdom

Abstract

In this paper it is shown that the multiple-access requirement of optical fibre LANs may be met efficiently by a hybrid protocol scheme combining Wavelength Division Multiplexing (WDM) with CDMA as an inner protocol. The COMA inner protocol enables several users to access the channel simultaneously before any transmission delay is incurred while the WDM protocol allows for the duplication of each COMA channel capacity in the overall LAN. If the WDM protocol can support M simultaneous channels and the CDMA protocol can support K simultaneous users then the total number of users which can be supported concurrently equals MK. This represents MK users more than other multiple-access schemes, for example ALOHA or CSMA/CD, which allow only one user to access the channel at any one time.

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T. O'Farrell and M. Beale "Delay/Throughput Performance Analysis Of The Code-Division Multiple-Access (CDMA) Protocol In Optical Fibre Lans", Proc. SPIE 1120, Fibre Optics '89, (29 October 1989); https://doi.org/10.1117/12.960963

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