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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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