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Smart grid (SG) has been recognized as a promising solution to manage and distribute electricity in the next generation power systems. The large number of devices in power systems make the wired communication a non feasible solution, thus wireless transmission becomes necessary. However this demands a huge portion of radio spectrum. In this work, we aim to provide the secure and reliable SG communication...
This paper presents energy efficient resource allocation schemes for multi-user cognitive radio networks. The aim is to achieve the fairness in power consumption of different secondary users. A binary integer programming problem is formulated to jointly allocate sub-carriers to users and power loading over different sub-carriers. Energy fairness is achieved subject to individual power constraints...
In this paper, we consider a relay enhanced device to device communication under Decode and Forward (DF) communication mode. The power allocation at the source as well as at the relay nodes is optimized in both cellular and D2D systems to enhance the sum throughput of the system. A joint power optimization problem for orthogonal frequency division multiplexing (OFDM) based transmission is formulated...
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