Wireless Personal Communications
Wireless Personal Communications
Adaptive multirate CDMA for uplink throughput maximization
IEEE Transactions on Wireless Communications
Optimal resource allocation in multiservice CDMA networks
IEEE Transactions on Wireless Communications
QoS-Constrained information-theoretic sum capacity of reverse link CDMA. Systems
IEEE Transactions on Wireless Communications
Power control and capacity of spread spectrum wireless networks
Automatica (Journal of IFAC)
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The information-theoretic maximum system capacity in a CDMA network, which guarantees fairness to mobile stations,can be achieved by optimally allocating transmit powers to the mobile stations while imposing individual QoS constraints. Even though this optimization is carried out in a multi-dimensional space we show that the optimal solution can be reduced to a search in a one-dimensional space. In this paper we first show that the previous results can be obtained by a simpler and more intuitive approach. Also, we show that the optimal solution is actually bang--bang. In addition, we show that the candidate solutions can be determined in a closed form. This considerably reduces the computational effort. Because rather than carrying out numerical search on a set of intervals, only a few explicitly determined points should now be examined