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Femtocell base station (BS) is a low-power, low-price BS based on the cellular communication technology. It is expected to become a cost-effective solution for improving the communication performance of indoor users, whose traffic demands are large in general. We propose long-term parameter optimization schemes for open and hybrid femtocells, which maximize the average throughput of macrocell users...
Heterogeneous Network (HetNet) has been a major feature for next generation wireless networks, where femtocell has attracted much attention as a most promising radio access technology (RAT) for providing improvements on network capacity, service coverage and power efficiency. And for the efficient utilization of scarce spectral resource, coexistence/sharing of unlicensed band between wireless fidelity...
Network operators are constantly trying to increase their capacity and coverage at minimal cost. Femtocells are low cost base stations that are deployed indoors either by home users or by network operators to increase capacity and coverage. As femtocells are randomly deployed, this causes an increase in the interference. This ultimately reduces the quality of service (QoS) and also affects the fairness...
This paper presents a framework to carry out an optimal power flow in a coordinated multi area decentralized system. An AC optimal power flow model is used for independent optimal dispatch of each area while the global economic optimal of whole electric energy system is achieved. This is achieved by means of the interior point optimization procedure. In this approach, each participant tries to maximize...
Bioeconomic optimization models are regularly used in fisheries policy analysis. However, the use of these models has been restricted in fisheries, as in other similar fields, where there are a large number of non-linear interactions. In this paper, the basic features, advantages and disadvantages of the use of the evolutionary methods, specifically genetic algorithms, are discussed. A large non-linear...
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