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Effect of Load Fluctuation in Data Transmission for Wireless Power Transfer

Kazuki SUGENO, Shinpei NOGUCHI, Mamiko INAMORI, Yukitoshi SANADA

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Summary :

Recent interest in wireless power transfer research has been attracting a great deal of attention. To transfer power efficiently and safely in wireless power transfer system, information, such as frequency, required power and element values, need to be transmitted reliably. However, the bandwidth, which is used for exchanging information, is affected by the change of load at the receiver when it is charging. This paper investigates the effect of load fluctuation in data communication using orthogonal frequency division multiplexing (OFDM) modulation in resonant-type wireless power transfer systems. The equivalent circuit used in the transmitting and receiving antennas is a band pass filter (BPF) and its bandwidth is evaluated through circuit simulations. Numerical results obtained through computer simulation show that the bit error rate (BER) performance is affected by the load fluctuation and the efficiency of power transfer.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E96-A No.5 pp.991-994
Publication Date
2013/05/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E96.A.991
Type of Manuscript
LETTER
Category
Digital Signal Processing

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