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Performance analysis of non-blind adaptive beamforming techniques for (3G) WCDMA uplink

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3 Author(s)
Ahmed, A.M. ; Electr. & Electron. Eng. Dept., Univ. Teknol. PETRONAS, Tronoh ; Elrab, J. ; Kamel, N.S.

The capacity of cellular system is limited by two different phenomena namely, multipath fading and multiple access interference (MAI). A beamformer-Rake receiver is a computationally feasible solution to allow temporal-spatial signal processing for effectively overcoming signal fading and MAI. In this paper, the performance of PSA beamformer-Rake receivers in the geometrically based single bounce (GBSB) circular channel with the uplink W-CDMA signal standard has been investigated. The least mean square (LMS) and the recursive least square (RLS) as PSA-based beamforming techniques have been considered. Maximal ratio combining (MRC) coherent RAKE receiver with different number of fingers is considered for simulation. The performances of the aforementioned two PSA-based beamforming techniques are compared in terms of BER against number of users in the following scenarios: antenna elements, RAKE fingers, and beamforming algorithms.

Published in:

Computer and Communication Engineering, 2008. ICCCE 2008. International Conference on

Date of Conference:

13-15 May 2008

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