DocumentCode :
645112
Title :
Experimental demonstration of multi-hop RF energy transfer
Author :
Kaushik, K. ; Mishra, Deepak ; De, Swades ; Basagni, Stefano ; Heinzelman, Wendi ; Chowdhury, Kaushik ; Jana, Soumya
Author_Institution :
Department of Electrical Engineering, IIT Delhi, New Delhi, India
fYear :
2013
fDate :
8-11 Sept. 2013
Firstpage :
538
Lastpage :
542
Abstract :
Batteries of field nodes in a wireless sensor network pose an upper limit on the network lifetime. Energy harvesting and harvesting aware medium access control protocols have the potential to provide uninterrupted network operation, as they aim to replenish the lost energy so that energy neutral operation of the energy harvesting nodes can be achieved. To further improve the energy harvesting process, there is a need for novel schemes so that maximum energy is harvested in a minimum possible time. Multi-hop radio frequency (RF) energy transfer is one such solution that addresses these needs. With the optimal placement of energy relay nodes, multi-hop RF energy transfer can save energy of the source as well as time for the harvesting process. In this work we experimentally demonstrate multi-hop RF energy transfer, wherein two-hop energy transfer is shown to achieve significant energy and time savings with respect to the single-hop case. It is also shown that the gain obtained can be translated to energy transfer range extension.
Keywords :
Batteries; Energy exchange; Energy harvesting; Radio frequency; Receiving antennas; Wireless communication; Wireless sensor networks; RF energy harvesting; energy efficiency; multi-hop energy transfer;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Personal Indoor and Mobile Radio Communications (PIMRC), 2013 IEEE 24th International Symposium on
Conference_Location :
London, United Kingdom
ISSN :
2166-9570
Type :
conf
DOI :
10.1109/PIMRC.2013.6666195
Filename :
6666195
Link To Document :
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