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A new ordering and grouping algorithm for the linear weighted group matched filter successive interference cancellation detector

Bentrcia, A. and Sheikh, Asrar and Zerguine, Azzedine (2006) A new ordering and grouping algorithm for the linear weighted group matched filter successive interference cancellation detector. IEEE Transactions on Vehicular Technology, 55 (2). pp. 704-709.

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Abstract

A linear group-wise successive interference canceller in a synchronous CDMA system is considered in this work. The proposed hybrid detector that combines successive and parallel cancellation techniques makes use of advantages offered by the two techniques. The convergence of the hybrid interference cancellation (HIC) detector is guaranteed by an adjustable parameter that depends upon the largest eigenvalue of the system’s transition matrix. Since the largest eigenvalue is difficult to estimate, an upper bound is necessary for successful convergence. For this reason, we propose a new ordering and grouping algorithm that yields a tight upper bound, which, in turn, results in a higher convergence speed. Simulation results show that a significant improvement in performance is obtained with this technique is used. Moreover, we introduce the mathematical justification of the value of the adjusting parameter mentioned in [6] by using the bordering theorem.



Item Type:Article
Date:March 2006
Date Type:Publication
Subjects:Electrical
Creators:Bentrcia, A. and Sheikh, Asrar and Zerguine, Azzedine
Email:bentrcia@kfupm.edu.sa, asrar-sheikh@kfupm.edu.sa, azzedine@kfupm.edu.sa
ID Code:709
Deposited By:ABDELOUAHAB BENTRCIA
Deposited On:24 Mar 2008 16:02
Last Modified:12 Apr 2011 13:06

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