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Comparison of MUSIC and matched filter delay estimators in DS-CDMA

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2 Author(s)
Luukkanen, P. ; Nokia Res. Center, Espoo, Finland ; Joutsensalo, J.

This paper focuses on the initial code phase estimation, also called acquisition, in the asynchronous multiuser CDMA system. The performance of the subspace-based MUSIC (Multiple Signal Classification) estimator is compared to the conventional matched filter. Simulation results for a communication system with ten users each having a 2-path Rayleigh fading channel and raised-cosine shaped chip waveform are presented. It is shown that the celebrated near-far resistance and the overall performance of MUSIC is maintained only at the signal-to-noise ratios higher than normally realizable in practical systems

Published in:

Personal, Indoor and Mobile Radio Communications, 1997. Waves of the Year 2000. PIMRC '97., The 8th IEEE International Symposium on  (Volume:3 )

Date of Conference:

1-4 Sep 1997