On the power efficient resource allocation for the overloaded multipath CDMA systems

Authors:
Paul Cotae;Fatou Diop Mbengue
Affiliations:
School of Engineering and Applied Sciences, Department of Electrical and Computer Engineering, University of the District of Columbia, Washington, DC;School of Engineering and Applied Sciences, Department of Electrical and Computer Engineering, University of the District of Columbia, Washington, DC
Venue:
SARNOFF'09 Proceedings of the 32nd international conference on Sarnoff symposium
Year:
2009

Citing 7
Cited 0

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Abstract

A comparison of the optimal power allocation for a Gaussian vector channel subject to sum power constraint under water filling principle and inverse eigenvalue problem is given. We focus on the overloaded multipath DS - CDMA systems when the channel information is known at both transmitter and receiver. We generalize the sum of power constraint for each cell by considering p-norm matrices, and we provide numerical and graphical results for an overloaded CDMA cell in the presence and the absence of the multipath fading.