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Blind space-time joint channel and direction of arrival estimation for DS-CDMA systems

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2 Author(s)
de Lamare, R.C. ; Dept. of Electron., Univ. of York, York, UK ; Sampaio-Neto, R.

A blind space-time joint channel and direction of arrival (DoA) estimation method is proposed for DS-CDMA systems. The new method employs a linear antenna array and requires only the signature sequence and timing of the desired user to blindly estimate the channel and the DoA parameters. Two blind algorithms that exploit antenna arrays are also proposed for enhancing the channel estimates. Simulations show the improvements for channel estimation of the method and algorithms over existing techniques and the accuracy achieved for DoA computation as compared to recently reported DoA estimators for DS-CDMA systems.

Published in:

Signal Processing, IET  (Volume:5 ,  Issue: 1 )

Date of Publication:

Feb. 2011

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