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Blind parameter estimation of circular transmissions in multiple-access systems

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3 Author(s)
A. Napolitano ; Dipt. di Ingegneria Elettronica e delle Telecomunicazioni, Universita di Napoli Federico II, Italy ; S. Ricciardelli ; M. Tanda

The problem of blind parameter estimation of circular transmissions in multiple-access systems is addressed. A non-data aided algorithm based on the higher-order cyclostationarity features of the received signal is proposed to estimate amplitude, phase, time delay, and frequency shift of each user. Furthermore, a reduced complexity algorithm is proposed to avoid the burden arising from the higher-order cyclic statistic estimation. Simulation results are presented to show the effectiveness of the proposed algorithm to properly operate in severe noise and interference environments.

Published in:

Signal Processing Advances in Wireless Communications, 2003. SPAWC 2003. 4th IEEE Workshop on

Date of Conference:

15-18 June 2003