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Proceedings Paper

A Hybrid Protocol Fibre Latabus Using Both T.D.M. And F.D.M. Techniques
Author(s): J. P. Dakin; M. G. Holliday
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Paper Abstract

Serial time division multiplex (TDM) databuses,while very flexible, are limited at high data rates by the transit time between terminals. The pauses in transmission necessary to allow for propagation delays reduce the effective data rate, and may cause problems with signals requiring rapid updating. We propose a hybrid protocol combining T.D.M. channels at low frequency with frequency division multiplexed channels carrying high speed data. A laboratory system using a 17 x 17 transmissive star has been constructed to demonstrate the feasibility of this approach, using TDM channels in the 0-10MHz band together with FDM channels in the 10-50MHz band.

Paper Details

Date Published: 22 August 1985
PDF: 2 pages
Proc. SPIE 0522, Fibre Optics '85, (22 August 1985); doi: 10.1117/12.946226
Show Author Affiliations
J. P. Dakin, Plessey Electronic Systems Research Limited (U.K.)
M. G. Holliday, Plessey Electronic Systems Research Limited (U.K.)


Published in SPIE Proceedings Vol. 0522:
Fibre Optics '85
Lionel R. Baker, Editor(s)

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