Information Harvesting for Far-Field Wireless Power Transfer
Mehmet C. Ilter, Risto Wichman, Mikko S\"aily, Jyri H\"am\"al\"ainen

TL;DR
This paper introduces a novel protocol called Information Harvesting that enables simultaneous wireless information transmission and power transfer without interference, addressing security and efficiency in IoT systems.
Contribution
It proposes a new protocol for wireless power transfer systems that allows information harvesting without disrupting power transfer, offering a fresh perspective compared to existing methods.
Findings
New protocol enables simultaneous power and information transfer.
Maintains power transfer efficiency while transmitting data.
Addresses security concerns in wireless power systems.
Abstract
Considering ubiquitous connectivity and advanced information processing capability, huge amount of low-power IoT devices are deployed nowadays and the maintenance of those devices which includes firmware/software updates and recharging the units has become a bottleneck for IoT systems. For addressing limited battery constraints, wireless power transfer is a promising approach such that it does not require any physical link between energy harvester and power transfer. Furthermore, combining wireless power transfer with information transmission has become more appealing. In the systems that apply radio signals the wireless power transfer has become a popular trend to harvest RF-radiated energy from received information signal in IoT devices. For those systems, design frameworks mainly deal with the trade-off between information capacity and energy harvesting efficiency. Therein various…
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Taxonomy
TopicsEnergy Harvesting in Wireless Networks · Wireless Power Transfer Systems · RFID technology advancements
