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      Performance Analysis of Simultaneous Wireless Information and Power Transfer with Ambient RF Energy Harvesting

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          Abstract

          The advance in RF energy transfer and harvesting technique over the past decade has enabled wireless energy replenishment for electronic devices, which is deemed as a promising alternative to address the energy bottleneck of conventional battery-powered devices. In this paper, by using a stochastic geometry approach, we aim to analyze the performance of an RF-powered wireless sensor in a downlink simultaneous wireless information and power transfer (SWIPT) system with ambient RF transmitters. Specifically, we consider the point-to-point downlink SWIPT transmission from an access point to a wireless sensor in a network, where ambient RF transmitters are distributed as a Ginibre ?\(\alpha\)-determinantal point process (DPP), which becomes the Poisson point process when \(\alpha\)? approaches zero. In the considered network, we focus on analyzing the performance of a sensor equipped with the power-splitting architecture. Under this architecture, we characterize the expected RF energy harvesting rate of the sensor. Moreover, we derive the upper bound of both power and transmission outage probabilities. Numerical results show that our upper bounds are accurate for different value of ?\(\alpha\).

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          Journal
          2015-01-04
          Article
          1501.00683
          f2f54a28-393f-4d33-8583-016235ba7e96

          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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          IEEE Wireless Communications and Networking Conference
          cs.IT math.IT

          Numerical methods,Information systems & theory
          Numerical methods, Information systems & theory

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