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http://dx.doi.org/10.5573/ieie.2017.54.4.10

Millimeter Wave Energy Transfer based on Beam Steering  

Han, Yonggue (Department of Electrical and Electronic Engineering, Yonsei University)
Jung, Sangwon (Department of Electrical and Electronic Engineering, Yonsei University)
Lee, Chungyong (Department of Electrical and Electronic Engineering, Yonsei University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.54, no.4, 2017 , pp. 10-15 More about this Journal
Abstract
Feedback burden of a full-digital energy beamforming, which is known as the optimal precoding scheme for radio frequency (RF) energy transfer, is huge because it uses a vector quantization for a channel feedback. To reduce the feedback burden, we consider a beam steering based wireless energy transfer, which uses a scalar quantization. Researches related to the beam steering based wireless energy transfer have been studied in special channel model with an assumption of full channel state information at the transmitter. In this paper, we analyze the beam steering scheme compared with the full-digital energy beamforming for practical channel models with channel estimation errors. According to characteristics of the millimeter wave channel, the number of antennas of the base station and the user, the distance between them, and channel estimation errors, we simulate the performance of the beam steering scheme and analyze reasons why.
Keywords
밀리미터파;무선 에너지 전송;에너지 빔포밍;빔 조향;채널 추정 오차;
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  • Reference
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