The Optimum SRAKE based RAKE-DFE Receiver for Carrier DS-UWB Systems

被引：1
|
作者：
Xiao, Zhenyu [1 ]
Zhu, Liang [1 ]
Ge, Ning [1 ]
Zeng, Lieguang [1 ]
机构：
[1] Tsinghua Univ, State Key Lab Microwave & Digital Commun, Tsinghua Natl Lab Informat Sci & Technol, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
2008 11TH IEEE SINGAPORE INTERNATIONAL CONFERENCE ON COMMUNICATION SYSTEMS (ICCS), VOLS 1-3 | 2008年
关键词：
UWB; DS-UWB; SRAKE; RAKE;
D O I：
10.1109/ICCS.2008.4737439
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
The carrier direct-sequence spread based ultra-wide-band (DS-UWB) is challenging for serious inter-symbol interference (ISI) problem, which is resulted from the dense multi-path with a long root-mean-square (RMS) delay spread. We adopt a RAKE-decision feedback equalizer (RAKE-DFE) receiver in this paper to cancel the ISI. Different from the conventional selective RAKE (SRAKE), we proposed the optimum SRAKE for the receiver to select rays. The theoretical analysis and simulation results show that the proposed SRAKE scheme is the optimum, and the proposed receiver can get good performance, which is better than conventional SRAKE based RAKE-DFE receiver.
引用
收藏
页码：1529 / 1533
页数：5
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