A MC-CDMA system based on optimal wavelet packets decomposition and its performance

A new multi-carrier CDMA system based on wavelet packets decomposition is introduced whereby the reduction of narrowband interference and pulse interference can be achieved. Using the adaptability of wavelet packets decomposition, a method called inverse mergence, which minimize the number of distor...

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Bibliographic Details
Main Authors: Rong Wang, Jibo Wei, Shixin Cheng
Format: Conference Proceeding
Language:English
Subjects:
Binary trees
Bit error rate
Discrete wavelet transforms
Distortion
Frequency
Interference
Multiaccess communication
Multicarrier code division multiple access
Narrowband
Wavelet packets
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Summary:A new multi-carrier CDMA system based on wavelet packets decomposition is introduced whereby the reduction of narrowband interference and pulse interference can be achieved. Using the adaptability of wavelet packets decomposition, a method called inverse mergence, which minimize the number of distorted time-frequency (T-F) units of the signal, is proposed. The expression of bit error rate of the system is derived and simulation results of the several decompositions of wavelets packets are presented.
DOI:10.1109/ICCT.1998.741077