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Exploiting the Mutual Coupling Effect on Dipole Antennas for RF Energy Harvesting

Title
Exploiting the Mutual Coupling Effect on Dipole Antennas for RF Energy Harvesting
Authors
Kim, JH[Kim, Joong Ham]Cho, SI[Cho, Seung Ik]Kim, HJ[Kim, Han Joon]Choi, JW[Choi, Ji Woong]Jang, JE[Jang, Jae Eun]Choi, JP[Choi, Jihwan P.]
DGIST Authors
Kim, JH[Kim, Joong Ham]; Cho, SI[Cho, Seung Ik]; Kim, HJ[Kim, Han Joon]; Choi, JW[Choi, Ji Woong]Jang, JE[Jang, Jae Eun]; Choi, JP[Choi, Jihwan P.]
Issue Date
2016
Citation
IEEE Antennas and Wireless Propagation Letters, 15, 1301-1304
Type
Article
Article Type
Article
Keywords
Analytical ResultsAntenna ArraysAntennasDipole Antenna ArrayDipole AntennasEnergy HarvestingEquivalent Circuit ModelEquivalent CircuitsHalf Wavelength Dipole AntennaMutual CouplingMutual Coupling EffectsMutual ImpedanceRadio-Frequency Energy HarvestingRadio Frequency (RF) Energy HarvestingRadio WavesRectennasRF Energy Harvesting
ISSN
1536-1225
Abstract
Energy harvesting is an essential technology for future Internet of Things (IoT) networks. In this letter, the advantage of the mutual coupling effect for radio frequency (RF) energy harvesting is presented by analyzing the equivalent circuit model and conducting two half-wavelength dipole antenna array experiments. When mutual coupling exists with the spacing of antennas near half a wavelength, the total received power can be as much as 5.10 μW, 1.47 times larger than the value without mutual coupling, showing that the received power of the half-wavelength dipole antenna can be increased by exploiting mutual coupling. In addition, based on theoretical analysis, we attempt to generalize the mutual coupling effect for more than two dipole antennas. Analytical results show that the received power gain with mutual coupling can be more than 50%, compared to the uncoupled case. © 2015 IEEE.
URI
http://hdl.handle.net/20.500.11750/1555
DOI
10.1109/LAWP.2015.2505704
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Related Researcher
  • Author Jang, Jae Eun Advanced Electronic Devices Research Group(AEDRG)
  • Research Interests
Files:
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Collection:
Research Center for Resilient Cyber Physical Systems1. Journal Articles
Information and Communication EngineeringCSP(Communication and Signal Processing) Lab1. Journal Articles
Information and Communication EngineeringAdvanced Electronic Devices Research Group(AEDRG)1. Journal Articles
Information and Communication EngineeringNC(Networks and Communications) Research Group1. Journal Articles


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