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

(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
Subjects: Electrical
Depositing User: ABDELOUAHAB BENTRCIA
Date Deposited: 24 Mar 2008 16:02
Last Modified: 01 Nov 2019 16:25
URI: http://eprints.kfupm.edu.sa/id/eprint/709