Adaptive predictive power control for the uplink channel in DS-CDMA cellular systems

(2003) Adaptive predictive power control for the uplink channel in DS-CDMA cellular systems. Vehicular Technology, IEEE Transactions on, 52.

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Abstract

In this paper, we analyze the conventional closed-loop power-control system. We explain that the system behaves essentially as a companded delta modulator and then derive an expression for the power-control error in terms of the channel fading, which suggests methods for reducing the error variance. This is achieved by using a prediction technique for estimating the channel-power fading profile. The prediction module is combined with several proposed schemes for closed-loop power control. The resulting architectures are shown to result in improved performance in simulations.

Item Type: Article
Subjects: Computer
Divisions: College Of Computer Sciences and Engineering > Systems Engineering Dept
Depositing User: Mr. Admin Admin
Date Deposited: 24 Jun 2008 16:45
Last Modified: 01 Nov 2019 17:06
URI: http://eprints.kfupm.edu.sa/id/eprint/14694