Alocação de Recursos em Sistemas DS/CDMA Baseada na Discretização da Equação de Equilíbrio de Verhulst
(Power-Rate Allocation in DS/CDMA Systems Based on Discretized Verhulst Equilibrium)
Lucas Dias Hiera Sampaio (email@example.com), Moisés Fernando Lima (firstname.lastname@example.org), Mario Lemes Proença Jr. (email@example.com), Taufik Abrão (firstname.lastname@example.org)
Universidade Estadual de Londrina
This paper appears in: Revista IEEE América Latina
Publication Date: Sept. 2011
Volume: 9, Issue: 5
This paper proposes to extend the discrete Verhulst power equilibrium approach, previously suggested in , to the power-rate optimal allocation problem. Multirate users associated to different types of traffic are aggregated to distinct user' classes, with the assurance of minimum rate allocation per user and QoS. Herein, Verhulst power allocation algorithm of  was adapted to the DS/CDMA jointly power-rate control problem. The analysis was carried out taking into account static and dynamic channels, as well as the convergence time (number of iterations), quality of solution, in terms of the normalized mean squared error (NSE), when compared with the analytical solution based on interference matrix inversion, and the solution given by classical Foschini's algorithm  as well, besides the computational complexity analysis.
Resources allocation, power-rate control, SISO multirate DS/CDMA, discrete Verhulst equilibrium equation, QoS.
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