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- W2023235416 abstract "Adaptive radio resource allocation in a cellular and multiuser orthogonal frequency-division multiple access (OFDMA)-based relay network is studied here. The authors have considered a margin adaptive optimisation problem to minimise the total transmitted power of the base and relay stations subject to the requested data rates of the users. In this study, a novel algorithm is presented for subcarrier allocation to the users with frequency reusing in the network. The interference among users in non-adjacent cells has been considered in the proposed algorithm which results in interference aware power allocation. Tolerable bit error rate is satisfied as quality of service (QoS) factor for each subcarrier. Linear programming approach has been proposed to solve this problem, such that power allocation problem is isolated for each of the subcarriers and total transmitted power is minimised in the network. According to this technique, the cost of interference in the system in terms of the excess consumed power to satisfy QoS constraints can be computed. The gain achieved in the power consumption is demonstrated through the simulations and the results are compared with the previous works." @default.
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- W2023235416 date "2012-01-01" @default.
- W2023235416 modified "2023-09-27" @default.
- W2023235416 title "Interference aware resource allocation in orthogonal frequency-division multiple access-based relay networks" @default.
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- W2023235416 doi "https://doi.org/10.1049/iet-com.2011.0560" @default.
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