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- W3147369435 abstract "In this paper,we study the problem of optimal resource allocation for lifetime maximization in an orthogonal-frequencydivision multiplexing(OFDM)system with decode-and-forward relay.The goal is to minimize total energy cost of the system by jointly optimizing power allocation,subcarrier pairing and relay selection.We present a heuristic solution that is composed of two parts.The first part is an optimal power allocation approach to allocate power to a subcarrier pair of the source and the relay.The second part is a modified Hungarian algorithm to make subcarrier pairing and relay selection.Evaluations show that the presented scheme outperforms other schemes in the total transmitted data and the network lifetime." @default.
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- W3147369435 date "2014-01-01" @default.
- W3147369435 modified "2023-09-26" @default.
- W3147369435 title "Joint Resource Allocation for Lifetime-aware Cooperative Multi-carrier DF System" @default.
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