Open AccessInvestigation of blind detection mechanism for chaotic UWB system based on generalized negentrogy
Author(s) -
Yanyun Gong,
Di He,
He Chen
Publication year - 2012
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.61.120502
Subject(s) - chaotic , computer science , ultra wideband , multipath propagation , channel (broadcasting) , impulse (physics) , electronic engineering , entropy (arrow of time) , communications system , algorithm , telecommunications , artificial intelligence , physics , quantum mechanics , engineering
A non-coherent blind detection method based on the generalized negative entropy mechanism for chaotic ultra-wideband system is proposed in this paper. In the case without knowing the transmission channel information, the chaotic impulse signals can be detected. The proposed method can overcome the practical application problem existing in the direct chaotic communication (DCC) scheme for impulse radio ultra-wideband (IR-UWB) communication system. Also, this method can overcome the complicated and unknown multipath channel effect. Analysis of simulation results show that the proposed approach has a good separating and detection performance in the case without the channel information. A new way for the noncoherent blind detection of chaotic UWB system under non-ideal unknown channel is established.