Analysis of the influence of Walsh-Hadamard code allocation strategies on the performance of multi-carrier CDMA systems in the presence of HPA non-linearities

N Hathi,M Rodrigues,J O'Reilly,I Darwazeh

doi:10.1109/pimrc.2002.1045240

Analysis of the influence of Walsh-Hadamard code allocation strategies on the performance of multi-carrier CDMA systems in the presence of HPA non-linearities

N Hathi, M Rodrigues + Show 2 more

https://doi.org/10.1109/pimrc.2002.1045240

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Publication Date: Dec 10, 2002

Citations: 17

Affiliation: University College London

#Multi-carrier Code Division Multiple Access #Code Division Multiple Access + Show 8 more

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Abstract

We investigate the influence of different Walsh-Hadamard (WH) code allocation techniques on the performance of multi-carrier code division multiple access (CDMA) systems in the presence of high power amplifier (HPA) non-linearities. We consider two different multi-carrier CDMA schemes: multi-carrier CDMA (MC-CDMA) and multi-carrier direct sequence CDMA (MC-DS-CDMA) and analyse their performance in terms of total degradation and spectral spreading for different numbers of active users.

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