最优CDMA信号:有限步方法

Eighth IEEE International Symposium on Spread Spectrum Techniques and Applications - Programme and Book of Abstracts (IEEE Cat. No.04TH8738) Pub Date : 2004-08-30 DOI:10.1109/ISSSTA.2004.1371717

J. Tropp, I. Dhillon, R. Heath

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引用次数: 2

摘要

对直接序列码分多址的最优序列的描述是最近对总和容量的描述的副产品。本文将序列设计问题重新表述为一个逆奇异值问题，并从矩阵分析出发，用有限步算法对其进行求解。在回顾了相关算法的基础上，提出了一种新的单侧构造方法，该方法不需要计算最优签名的Gram矩阵，而是直接得到序列。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Optimal CDMA signatures: a finite-step approach

A description of optimal sequences for direct-sequence code division multiple access is a byproduct of recent characterizations of the sum capacity. The paper restates the sequence design problem as an inverse singular value problem and shows that it can be solved with finite-step algorithms from matrix analysis. Relevant algorithms are reviewed and a new one-sided construction is proposed that obtains the sequences directly instead of computing the Gram matrix of the optimal signatures.

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Eighth IEEE International Symposium on Spread Spectrum Techniques and Applications - Programme and Book of Abstracts (IEEE Cat. No.04TH8738)

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