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Harvested Energy Maximization in Wireless Peer Discovery Systems

Authors
Ashraf, MateenKang, SeowooLee, Inkyu
Issue Date
5월-2019
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
Peer discovery; Poisson point process (PPP); radio frequency energy harvesting
Citation
IEEE COMMUNICATIONS LETTERS, v.23, no.5, pp.934 - 937
Indexed
SCIE
SCOPUS
Journal Title
IEEE COMMUNICATIONS LETTERS
Volume
23
Number
5
Start Page
934
End Page
937
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/65825
DOI
10.1109/LCOMM.2019.2907940
ISSN
1089-7798
Abstract
This letter studies energy harvesting systems, which perform peer discovery. Wireless peer discovery is a network operation performed to identify the existence of peers in the network. In this operation, some fractions of the peers broadcast the discovery message to nearby peers. In such a system, a receiver decodes the message while harvesting energy from the received signal through the power splitting circuit. An optimization problem is examined for maximizing the harvested energy in the peer discovery network with an arbitrary value of the path loss exponent. A low-complexity algorithm is proposed, which utilizes bisection search. The numerical results demonstrate that the proposed algorithm achieves almost the same performance as the optimal exhaustive search algorithm with much reduced complexity.
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공과대학 (전기전자공학부)
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