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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...
In this paper, we considers a dual-hop relay network which operates under amplify and forward (AF) communication mode. The power allocation at the source terminal (ST) as well as at the relay node (RN) is considered to enhance the end to end throughput of the system. A power optimization problem for orthogonal frequency division multiplexing (OFDM) based transmission over two hops is formulated. A...
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