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On the capacity of a hybrid broadcast multiple access system for WDM networks

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3 Author(s)
Vaishampayan, V.A. ; Shannon Lab., AT&T Labs.-Res., Florham Park, NJ, USA ; Tian, C. ; Feuer, M.D.

A previously designed architecture that endows a wavelength division multiplexed (WDM) optical network with network management capabilities is studied from an information theoretic perspective. The central component of this system is a degraded Σ-interference channel, which combines a multiple access channel and two degraded broadcast channels. Inner and outer bounds for the capacity region are derived for a general discrete memoryless model and a Gaussian model and are shown to provide a complete solution for the symmetric problem. Comparisons are drawn between the coding technique suggested by our information theoretic analysis and the coding method used in a working implementation.

Published in:

Information Theory Proceedings (ISIT), 2011 IEEE International Symposium on

Date of Conference:

July 31 2011-Aug. 5 2011