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Data aggregate point (DAP) placement is one of the great challenges in implementing smart grid. The placement problem involves determining the optimal number and locations of DAPs, while maintaining a desired level of quality for each communication link that connects a smart meter to its associated DAP. Having smart meters on different feeders in the power network, connecting to the same DAP in the...
In this letter, we propose a traffic offloading method to minimize the energy consumption of two-tier heterogeneous networks that support two classes of packets with different delay requirements. We derive a scheme to determine the optimal base station (BS) association biases that minimize the packet delays given an energy consumption. By employing the scheme iteratively, we can determine the minimum...
With the increase in popularity of bandwidth intensive applications, the telecommunication companies have been driven to find alternatives for the existing digital subscriber line (DSL) infrastructure to meet the requirements of the subscribers. Fiber To The Home (FTTH) networks, based on the Giga Passive Optical Network (GPON) topology, have been proven to be a cost effective solution for a large...
Heterogenous cellular networks can improve network capacity by co-deployment of macro and femto base stations (BSs). The capacity improvement comes with a higher power consumption. This paper proposes a method to minimize the power consumption without compromising the quality-of-service demand which is measured in terms of packet delay. First, we derive a closed-form expression for the packet delay...
This paper proposes a Markov decision process (MDP) based base station management scheme that dynamically and collectively manages activation of a group of base stations depending on the time-varying traffic demand for power conservation in self-organization networks. Our MDP model is unique in a sense that it accurately captures the dynamics of handover traffic among neighboring cells, and it formulates...
Smart grid has emerged in our fight against global warming by integrating renewable power sources into electrical power transmission network. We use dynamic pricing to control power demand in respond to the fluctuation in renewable power output. In dynamic pricing, the operator needs to collect information about power supply and to broadcast the latest power price. This information exchange is done...
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