Schur algorithms for joint-detection in TD-CDMA based mobile radio systems

被引：0

作者：

Vollmer, M ^{[1
]}

Haardt, M

Götze, J

机构：

[1] Univ Dortmund, Siemens AG, Arbeitsgebiet, D-44221 Dortmund, Germany

[2] Univ Dortmund, Informat Proc Lab, Dortmund, Germany

来源：

ANNALS OF TELECOMMUNICATIONS | 1999年 / 54卷 / 7-8期

关键词：

mobile radio communication; code division multiple access; time division multiple access; signal detection; complex signal; least squares method; matrix method; toeplitz matrix; matrix decomposition; decision feedback; algorithm complexity;

D O I：

暂无

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

Third generation mobile radio systems will employ TD-CDMA in their TDD mode. In a TD-CDMA mobile radio system, joint-detection is equivalent to solving a least squares problem with a system matrix that exhibits some form of block-Toeplitz structure. This structure can be successfully exploited by using variations of the Schur algorithm for computing the QR decomposition of this system matrix. Together with a displacement representation, the Schur algorithm can be straightforwardly adapted to a wide variety of matrix structures. In this paper we show this approach for two concrete manifestations of the TD-CDMA system matrix: first for a very compact, block-Toeplitz structure; and second for the less favorable Toeplitz-block structure that arises when decision feedback is added to the data process.

引用

页码：365 / 378

页数：14

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