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Unified analysis of SWIPT relay networks with noncoherent modulation
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Mohjazi, Lina, Muhaidat, Sami, Dianati, Mehrdad and Al-Qutayri, Mahmoud (2017) Unified analysis of SWIPT relay networks with noncoherent modulation. IEEE Transactions on Communications . (Submitted)
An open access version can be found in:Abstract
Simultaneous wireless information and power transfer (SWIPT) relay networks represent a paradigm shift in the development of wireless networks, enabling simultaneous radio frequency (RF) energy harvesting (EH) and information processing. Different from conventional SWIPT relaying schemes, which typically assume the availability of perfect channel state information (CSI), here we consider the application of noncoherent modulation in order to avoid the need of instantaneous CSI estimation/tracking and minimise the energy consumption. We propose a unified and comprehensive analytical framework for the analysis of time switching (TS) and power splitting (PS) receiver architectures with the amplify-andforward (AF) protocol. In particular, we adopt a moments-based approach to derive novel expressions for the outage probability, achievable throughput, and average symbol error rate (ASER) of the considered SWIPT system. We quantify the impact of several system parameters, involving relay location, energy conversion efficiency, and TS and PS ratio assumptions, imposed on the EH relay terminal. Our results reveal that the throughput performance of the TS protocol is superior to that of the PS protocol at lower receive signal-to-noise (SNR) values, which is in contrast to the point-to-point SWIPT systems. An extensive Monte Carlo simulation study is presented to corroborate the proposed analysis.
Item Type: | Submitted Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | IEEE Transactions on Communications | ||||
Publisher: | IEEE | ||||
ISSN: | 0090-6778 | ||||
Official Date: | 2017 | ||||
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Status: | Not Peer Reviewed | ||||
Publication Status: | Submitted | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
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Open Access Version: |
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