Detection of optimal spreading codes for DS-CDMA wireless systems with despreading sequences weighted by adjustable chip waveforms |
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Authors: | Ibrahim Develi |
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Institution: | Faculty of Engineering, Department of Electrical and Electronics Engineering, Erciyes University, Kayseri 38039, Turkey |
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Abstract: | This paper considers the problem of detecting the optimal spreading codes (OSC) in a given code set for a direct sequence-code division multiple access system that employs despreading sequences weighted by adjustable chip waveforms. Due to computational complexity required to detect the OSC in a code set, a simple and efficient strategy is introduced. Analysis and numerical results show that the proposed strategy can successfully distinguish the spreading codes being most suitable references for a given code set in which the candidate spreading codes have equal crosscorrelation properties. |
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Keywords: | DS-CDMA Multiple access interference Adjustable chip waveforms Weighted despreading sequences Optimal code detection |
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