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- W2897952952 abstract "In this paper, we propose a relay cooperation scheme for backscatter communication systems for performance enhancement, in which one user backscatters incident signals from a power beacon (PB) to a relay and a receiver simultaneously, and then the relay decodes the received signals and forwards the decoded signals to the receiver. We consider two cases that the relay is with/without an embedded energy source. In particular, if the relay does not have an energy source, an energy harvesting phase is required, during which the relay harvests energy from the PB while the user backscatters information to the receiver. We first formulate system throughput maximization problems for both cases by finding the optimal time allocation schemes, from which some useful insights are provided. Then, with a given amount of information required to be delivered, the transmission time minimization problems for both cases are also formulated, and the optimal solutions are derived in closed-form. Numerical results reveal the proposed scheme can significantly enhance the system throughput and transmission time." @default.
- W2897952952 created "2018-10-26" @default.
- W2897952952 creator A5027367677 @default.
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- W2897952952 date "2019-04-01" @default.
- W2897952952 modified "2023-10-18" @default.
- W2897952952 title "Relay Cooperation Enhanced Backscatter Communication for Internet-of-Things" @default.
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- W2897952952 doi "https://doi.org/10.1109/jiot.2018.2875719" @default.
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