改进去相关决策反馈多用户检测的同步DS-SSMA

Proceedings of 1994 IEEE International Symposium on Information Theory Pub Date : 1994-06-27 DOI:10.1109/ISIT.1994.394839

Lei Wei, C. Schlegel

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引用次数: 20

摘要

几种用于直接序列扩频多址(DS-SSMA)系统的多用户检测器已经问世。特别令人感兴趣的是去相关决策反馈检测器(DDFD)。它采用前向去相关和反馈滤波器来消除多用户干扰。DDFD有几个缺点。本文针对这些问题，提出了一种改进的DDFD，其复杂度与用户数量成线性关系

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Synchronous DS-SSMA with improved decorrelating decision-feedback multiuser detection

Several multiuser detectors for direct sequence spread-spectrum multiple-access (DS-SSMA) systems have been. Of particular interest is the decorrelating decision-feedback detector (DDFD). It employs forward decorrelating and feedback filters to cancel multiuser interference. The DDFD has several disadvantages. The paper addresses these problems and an improved DDFD, whose complexity is linear in the number of users is proposed.<>

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Proceedings of 1994 IEEE International Symposium on Information Theory

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