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Wireless transfer of energy through directed radio frequency waves has the potential to realize perennially operating sensor nodes by replenishing the energy contained in the limited on-board battery. However, the high power energy transfer from energy transmitters (ETs) interferes with data communication, limiting the coexistence of these functions. This paper provides the first experimental study...
Energy transfer through radio frequency (RF) waves enables battery-free operation for wireless sensor networks, while adversely impacting data communication. Thus, extending the lifetime for RF powered sensors comes at a cost of interference and reduced data throughput. This paper undertakes a systematic experimental study for both indoor and outdoor environments to quantify these tradeoffs. We demonstrate...
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