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一种低复杂度的Turbo多用户检测技术
A Turbo Multiuser Detection Technique with Low-Complexity
【摘要】 基于Turbo原理 ,提出了一种适合于同步DS CDMA系统的迭代多用户接收机结构 ,它通过在反复迭代的软输入软输出多用户检测器和一组信道译码之间获得连续的软判决 ,从而得到一种低复杂度的多用户检测算法———软MMSE干扰消除
【Abstract】 Based on Turbo principle,an iterative multi-user detection receiver structure is proposed for use in convolutionally coded synchronous DS-CDMA systems.The receiver performs successive soft-output decisions,achieved by a soft-in soft-output(SISO) multiuser detector and a bank of channel decoders through an iterative process.Thereby a low-complexity multiuser detection-algorithm,soft MMSE interference cancellation algorithm is obtained.
【关键词】 Turbo原理;
码分多址;
多用户检测;
软MMSE干扰消除;
【Key words】 Turbo principle; Code division multiple access; Multiuser detection; Soft minimun mean-square error interference cancellation;
【Key words】 Turbo principle; Code division multiple access; Multiuser detection; Soft minimun mean-square error interference cancellation;
【基金】 广东省自然科学基金! (2 0 0 0 16 41)资助项目
- 【文献出处】 南京邮电学院学报(自然科学版) ,Journal of Nanjing Institute of Posts and Telecommunications(Natural Science) , 编辑部邮箱 ,2001年01期
- 【分类号】TN914
- 【被引频次】7
- 【下载频次】81