RF Energy Transfer Channel Models for Sustainable IoT

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Fältnamn	Indikatorer	Metadata
000		03371naa a2200337 4500
001		oai:DiVA.org:liu-150874
003		SwePub
008		180906s2018 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1508742 URI
024	7	a https://doi.org/10.1109/JIOT.2018.28279362 DOI
040		a (SwePub)liu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Kumar, Sidharthu IIT Delhi, India4 aut
245	1 0	a RF Energy Transfer Channel Models for Sustainable IoT
264	1	b IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC,c 2018
338		a electronic2 rdacarrier
500		a Funding Agencies\|Department of Science and Technology [SB/S3/EECE/0248/2014]
520		a Self-sustainability of wireless nodes in Internet-of-Things applications can be realized with the help of controlled radio frequency energy transfer (RF-ET). However, due to significant energy loss in wireless dissipation, there is a need for novel schemes to improve the end-to-end RF-ET efficiency. In this paper, first we propose a new channel model for accurately characterizing the harvested dc power at the receiver. This model incorporates the effects of nonline of sight (NLOS) component along with the other factors, such as radiation pattern of transmit and receive antennas, losses associated with different polarization of transmitting field, and efficiency of power harvester circuit. Accuracy of the model is verified via experimental studies in an anechoic chamber (a controlled environment). Supported by experiments in controlled environment, we also formulate an optimization problem by accounting for the effect of NLOS component to maximize the RF-ET efficiency, which cannot be captured by the Friis formula. To solve this nonconvex problem, we present a computationally efficient golden section-based iterative algorithm. Finally, through extensive RF-ET measurements in different practical field environments we obtain the statistical parameters for Rician fading as well as path loss factor associated with shadow fading model, which also asserts the fact that Rayleigh fading is not well suited for RF-ET due to presence of a strong line of sight component.
650	7	a TEKNIK OCH TEKNOLOGIERx Elektroteknik och elektronikx Kommunikationssystem0 (SwePub)202032 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Electrical Engineering, Electronic Engineering, Information Engineeringx Communication Systems0 (SwePub)202032 hsv//eng
653		a Channel characterization; experimental analysis; golden section method; K-factor; method of moments; path loss with shadowing; radio frequency energy transfer (RF-ET); Rician fading
700	1	a De, Swadesu IIT Delhi, India4 aut
700	1	a Mishra, Deepaku Linköpings universitet,Kommunikationssystem,Tekniska fakulteten4 aut0 (Swepub:liu)deemi00
710	2	a IIT Delhi, Indiab Kommunikationssystem4 org
773	0	t IEEE Internet of Things Journald : IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INCg 5:4, s. 2817-2828q 5:4<2817-2828x 2327-4662
856	4	u https://liu.diva-portal.org/smash/get/diva2:1245888/FULLTEXT01.pdfx primaryx Raw objecty fulltext:postprint
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-150874
856	4 8	u https://doi.org/10.1109/JIOT.2018.2827936

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Av författaren/redakt...: Kumar, Sidharth; De, Swades; Mishra, Deepak

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TEKNIK OCH TEKNOLOGIER: TEKNIK OCH TEKNO ...; och Elektroteknik oc ...; och Kommunikationssy ...

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