收稿日期: 2012-03-09
修回日期: 2012-03-28
网络出版日期: 2013-01-15
基金资助
国家科技重大专项(2011ZX03004-002-01)资助
Dynamic threshold control for peak detection of UWB receiver based on training sequence
Received date: 2012-03-09
Revised date: 2012-03-28
Online published: 2013-01-15
王燕燕 , 白雪飞 , 黄鲁 , 刘勇 . 基于训练序列的峰值检测超宽带接收机的动态门限控制[J]. 中国科学院大学学报, 2013 , 30(1) : 68 -73 . DOI: 10.7523/j.issn.1002-1175.2013.01.011
The performance of peak detection of ultra-wide band receiver is greatly affected by the threshold of the comparator. Considering that the bit error rate is a convex function of the threshold, we propose a dynamic threshold control based on training sequence. The simulation results show that the proposed practical algorithm can track and approach the optimal comparator threshold to achieve better reception performance.
[1] Win M Z, Scholtz R A. Impulse radios: how it works[J]. IEEE Communication letters, 1998, 2(2): 36-38.
[2] Chao Y L, Scholtz R A. Optimal and suboptimal receivers for ultra-wideband transmitted reference systems[C]//IEEE GLOBECOM. 2003, 2: 759-763.
[3] Ho M, Somayazulu V S, Foerster J, et al. A differential detector for an ultra-wideband communications system[C]//Vehicular Technology Conference. 2002, 4: 1896-1900.
[4] Zhao S W, Liu H P, Tian Z. A decision-feedback autocorrelation receiver for pulsed ultra-wideband systems[C]//IEEE Radio and Wireless Conference. 2004: 251-254.
[5] Oh M K, Jung B, Harjani R, et al. A new noncoherent UWB impulse radio receiver[J]. IEEE Communication Letters, 2005, 9(2): 151-153.
[6] Cai L, Huang L, Fu Z Q, et al. An energy detection receiver for non-coherent IR-UWB[J]. Journal of Semiconductors, 2011, 32(6): 065006-065008(in Chinese). 蔡力, 黄鲁, 傅忠谦,等. 一个用于非相干脉冲超宽带的能量检测接收机[J]. 半导体学报,2011, 32(6): 065006-065008.
[7] Wang J, Huang Z, Wang W, et al. A new peak detection UWB impulse radio receiver[J]. Journal of University of Science and Technology of China, 2008, 38(10): 1168-1172(in Chinese). 王俊, 黄志臻, 王卫东,等. 基于峰值检测的脉冲超宽带信号接收方法[J]. 中国科学技术大学学报, 2008, 38(10): 1168-1172.
[8] Humblet P A, Azizoglu M. On the bit error rate of lightwave systems with optical amplifiers[J]. Journal of Lightwave Technology, 1991, 9(11): 1576-1582.
[9] Boyd S, Vandenberghe L. Convex optimization[M]. Cambridge: Cambridge University Press, 2004.
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