JOURNAL ARTICLE
Subspace-Based Blind Channel Estimation and Multiuser Detection for STBC MC-DS-CDMA System
Year: 2011 Journal: JOURNAL OF ELECTRONICS INFORMATION TECHNOLOGY Vol: 30 (2)Pages: 379-382 Publisher: Chinese Academy of Sciences, Institute of Electronics
Abstract
摘要: 该文提出了一种空时分组码(STBC)多载波(MC)DS-CDMA(STBC MC-DS-CDMA)系统结构，并通过在STBC MC-DS-CDMA下构造的统一的信号模型，实现了系统上行链路基于子空间的信道盲估计，仿真结果表明了方法行之有效。基于信道估计的结果进一步实现了系统最小均方差(MMSE)多用户检测，使系统的BER性能得到很大提高。 关键词: 空时分组码; 多载波DS-CDMA; 信道估计; 多用户检测; 误码率
Keywords:
Space–time block code Subspace topology Multiuser detection Computer science Code division multiple access Channel (broadcasting) Algorithm Statistics Mathematics Telecommunications Fading Artificial intelligence
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Topics
Wireless Communication Networks Research
Physical Sciences → Computer Science → Computer Networks and Communications
Advanced Wireless Communication Techniques
Physical Sciences → Engineering → Electrical and Electronic Engineering
Coding theory and cryptography
Physical Sciences → Computer Science → Artificial Intelligence
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