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Closed Form Solution for Maximizing the Sum Capacity of Reverse-Link CDMA System with Rate Constraints

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3 Author(s)
Arash Abadpour ; Univ. of Manitoba, Winnipeg ; Attahiru Sule Alfa ; Anthony C. K. Soong

In this paper, we work on maximizing the capacity of the reverse link of a CDMA wireless network. Oh and Soong (2006) presented an information-theoretic capacity model for analyzing this system. That formulation produces solutions that often result in unfairness allocation of power to most users. Here, we propose the addition of a maximum capacity constraint into the problem, thereby creating a more fair power allocation scheme. First, we improve on the algorithm presented in (Oh and Soong, 2006) by proposing a closed form solution and an algorithm which works nine times faster. Then, we propose a closed form algorithm for solving the new enhanced problem.

Published in:

IEEE Transactions on Wireless Communications  (Volume:7 ,  Issue: 4 )