A multiple carrier scheme for chaos-based digital communication systems

Authors:
Liya Ding;Yonghong Hou
Affiliations:
School of Electronic and Information Eng., Tianjin University, Tianjin, P. R. China;School of Electronic and Information Eng., Tianjin University, Tianjin, P. R. China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Multi-Carrier Digital Communications: Theory and Applications of Ofdm

Multi-Carrier Digital Communications: Theory and Applications of Ofdm
Bandwidth-efficient wireless OFDM

IEEE Journal on Selected Areas in Communications

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Abstract

In wireless chaotic communications, inter-symbol interference (ISI) caused by multipath channel may be serious and channel equalization becomes difficult. This paper proposes a multiple carrier scheme for chaotic communications. The scheme is to convert a serial high-rate data stream onto multiple parallel low-rate sub-streams. Theoretically multiple carrier scheme is efficiently capable of decreasing ISI and implementing equalization in frequency domain with simple method. Therefore chaotic communication systems with multiple carrier scheme gets better performance over multipath channel and it is proved through simulation.