Alternate energy harvesting and information relaying in cooperative AF networks

Lina Zheng (), Chao Zhai () and Ju Liu ()
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Lina Zheng: Shandong University
Chao Zhai: Shandong University
Ju Liu: Shandong University

Telecommunication Systems: Modelling, Analysis, Design and Management, 2018, vol. 68, issue 3, No 10, 523-533

Abstract: Abstract This paper studies an energy harvesting (EH) based cooperative relaying system, where two half-duplex relays operate with EH and alternately amplify and forward source data to the destination. When one relay joins in the cooperative data transmission, the other relay will harvest wireless energy by overhearing the transmissions from both the source and the transmitting relay. Both the time-switching and power-splitting architectures are considered for the EH and data reception at relays. Since the EH can be implicitly performed by each relay through listening the ongoing transmissions, more energy can be harvested for the cooperative data transmission. The outage probability and throughput of the proposed scheme are derived. Simulation results are provided to verify the correctness of our theoretical analysis and show that our scheme can significantly outperform the single-relay system in terms of throughput.

Keywords: Two-path alternate relaying; Energy harvesting; Wireless power transfer; Amplify and forward; Cooperative diversity (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s11235-017-0399-8

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