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The Analysis of Detection Algorithms in UWB Spatial Multiplexing System
WU Xuanli 1 *,SUN Lukuan 2,WANG Ruonan 3
1.Communications Research Center, Harbin Institute of Technology, Harbin 150001
2.Communications Research Center, Harbin Institute of Technology, Harbin, 150001
3.School of Foreign Languages, Harbin University of Science and Technology, Harbin, 150001
*Correspondence author
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Funding: the Fundamental Research Funds for the Central Universities(No.No. HIT. NSRIF. 2012020), The National Basic Research Program of China (973 Program) (No.No.2013CB329003), Next Generation Wireless Mobile Communication Network of China(No.No. 2012ZX03001007-005), Specialized Research Fund for the Doctoral Program of Higher Education (New Teachers)(No.No. 20092302120001)
Opened online:11 December 2012
Accepted by: none
Citation: WU Xuanli,SUN Lukuan,WANG Ruonan.The Analysis of Detection Algorithms in UWB Spatial Multiplexing System[OL]. [11 December 2012] http://en.paper.edu.cn/en_releasepaper/content/4500630
 
 
In order to satisfy the requirement for higher data rates, the UWB spatial multiplexing system that combines MB-OFDM UWB and V-BLAST scheme is presented in this paper. And then, various detection algorithms are studied and simulated in this system for the sake of a better performance. Simulation results show that MMSE-BLAST is an appropriate one among the conventional suboptimal algorithms, and the accuracy of the first detected layer determines the degree of error propagation. At last, a modified algorithm with the combination of ML and MMSE-BLAST is employed to reduce error propagation in the UWB channel with rich multipath.
Keywords:ultra-wideband; spatial multiplexing; detection algorithms; MMSE-BLAST; error propagation
 
 
 

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