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Published September 15, 2003 | public
Book Section - Chapter Open

Optimal CDMA signature sequences, inverse eigenvalue problems and alternating minimization

Abstract

This paper describes the matrix-theoretic ideas known as Welch-bound-equality sequences or unit-norm tight frames that are used to alternate minimizing the total squared correlation. This paper shows the construction of an optimal signature sequences for the synchronous code-division multiple-access (S-CDMA) channel in the presence of white noise and uniform received powers to solve inverse eigenvalue problems that maximize the sum capacity of the S-CDMA channel.

Additional Information

© Copyright 2003 IEEE. Reprinted with permission. Many thanks to Dr. I. S. Dhillon for helpful conversations. [J.A.T. was] [s]upported in part by NSF DMS-Grant 0208568.

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