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Published 1999 | Published
Book Section - Chapter Open

Optimization flow control with Newton-like algorithm

Abstract

We proposed earlier an optimization approach to reactive flow control where the objective of the control is to maximize the aggregate utility of all sources over their transmission rates. The control mechanism is derived as a gradient projection algorithm to solve the dual problem. In this paper we extend the algorithm to a scaled gradient projection. The diagonal scaling matrix approximates the diagonal terms of the Hessian and can be computed at individual links using the same information required by the unscaled algorithm. We prove the convergence of the scaled algorithm and present simulation results that illustrate its superiority to the unscaled algorithm.

Additional Information

© Copyright 1998 IEEE. Reprinted with permission. Meeting Date: 12/05/1999 - 12/09/1999. The first author [S.A.] acknowledges the Australian Commonwealth Government for their Australian Postgraduate Award, and the second author [S.L.] acknowledges the support of the Australian Research Council under grant S499705.

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