Optimal Tree Design for Wavelet Packet Modulation Based on Adaptive Least Mean Square Algorithm

被引：0
|
作者：
Zhong Weizhi [1 ]
Guo Qing [1 ]
Yang Mingchuan [1 ]
Guo Yan [2 ]
机构：
[1] Harbin Inst Technol, Commun Res Ctr, Harbin 150006, Peoples R China
[2] Harbin Inst Technol, Inst Image & Informat Technol, Harbin 150006, Peoples R China
来源：
2008 4TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-31 | 2008年
基金：
中国国家自然科学基金;
关键词：
wavelet packet modulation; wavelet packet tree; adaptive least mean square algorithem; multiplicative noise; timevarious channel;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
The design of wavelet packet tree (WPT) is a crucial part of optimal wavelet packet modulation (WPM) system. This paper presents a new method for optimizing the WPT based on the adaptive least mean square (LMS) algorithm for WPM. The proposed algorithm decreases the effect of inter-symbol interference (ISI) and inter-carrier interference (10), tracks the channel variation by changing the trees structures. Theoretical analyses and simulation results show that the proposed method has a good performance in reducing the multiplicative noise and it is suitable for tracking the channel variation accurately in real-time.
引用
收藏
页码：1698 / +
页数：2
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