Non-Data-Aided Weighted Non-Coherent Receiver for IR-UWB PPM Signals

被引：3
|
作者：
Shen, Bin [1 ]
Yang, Rumin [1 ]
Cui, Taiping [1 ]
Kwak, Kyungsup [1 ]
机构：
[1] Inha Univ, Grad Sch IT & Telecommun, Inchon, South Korea
来源：
ETRI JOURNAL | 2010年 / 32卷 / 03期
关键词：
Energy detection; non-data aided; weighted non-coherent receiver; impulse radio; ultra-wideband; ENERGY-DETECTION;
D O I：
10.4218/etrij.10.0209.0445
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This letter proposes an energy-detection-based non-data-aided weighted non-coherent receiver (NDA-WNCR) scheme for impulse radio ultra-wideband (IR-UWB) pulse-position modulated signals. Compared to the conventional WNCR, the optimal weights of the proposed NDA-WNCR are tremendously simplified as the maximum eigenvector of the IR-UWB signal energy sample autocorrelation matrix. The NDA-WNCR serves to blindly obtain the optimal weights and entirely circumvent the transmission of training symbols or channel estimation in practice. Analysis and simulation results verify that the bit error rate (BER) performance of the NDA-WNCR closely approaches the ideal BER of the conventional WNCRs.
引用
收藏
页码：460 / 463
页数：4
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