Optimal wavelet packet based multicarrier modulation over multipath wireless channels

Author

Xingxin, Gao ; Mingquan, Lu ; Zhenming, Feng

Author_Institution

Dept. of Electron. Eng., Tsinghua Univ., Beijing, China

Volume

1

fYear

2002

fDate

29 June-1 July 2002

Firstpage

313

Abstract

Multicarrier modulation is a popular technique for wide band communications; over wireless channels, which divides the channel into orthogonal and overlapping subchannels. The main purpose of this paper is to replace the conventional FFT based multicarrier modulation with orthogonal wavelet packet in order to get a more flexible and robust performance. Furthermore, the wavelet packets are optimized in the sense of minimizing the power of intersymbol interference (ISI) and intercarrier interference (ICI). The performance of the optimal wavelet packet based multicarrier modulation system is simulated and compared with the conventional wavelet and FFT based multicarrier modulation systems.

Keywords

broadband networks; interference suppression; intersymbol interference; modulation; multipath channels; radio networks; wavelet transforms; ISI; intercarrier interference; intersymbol interference; multipath wireless channels; optimal wavelet packet based multicarrier modulation; orthogonal subchannels; overlapping subchannels; wide band communications; Binary trees; Intersymbol interference; Libraries; OFDM modulation; Robustness; Signal resolution; Wavelet packets; Wideband; Wireless communication; Wireless sensor networks;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications, Circuits and Systems and West Sino Expositions, IEEE 2002 International Conference on

Print_ISBN

0-7803-7547-5

Type

conf

DOI

10.1109/ICCCAS.2002.1180627

Filename

1180627