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Title: Rate Adaptation Based on Exposure Assessment Using Rectenna Output for WLAN Station Powered with Microwave Power Transmission
Authors: YAMASHITA, Shota
SAKAGUCHI, Koichi
HUANG, Yong
YAMAMOTO, Koji  kyouindb  KAKEN_id
NISHIO, Takayuki  kyouindb  KAKEN_id
MORIKURA, Masahiro  kyouindb  KAKEN_id
SHINOHARA, Naoki
Author's alias: 山本, 高至
Keywords: wireless local area network
rate adaptation
microwave power transmission
rectenna
Issue Date: 1-Sep-2015
Publisher: Institute of Electronics, Information and Communication Engineers(IEICE)
Journal title: IEICE Transactions on Communications
Volume: E98.B
Issue: 9
Start page: 1785
End page: 1794
Abstract: This paper proposes a rate adaptation scheme (RAS) for a wireless local area network (WLAN) station powered with microwave power transmission (MPT). A WLAN station attempting to transmit data frames when exposed to microwave radiation for MPT, experiences a reduction in the physical (PHY) layer data rate because frames are lost even when the carrier sense mechanism is used. The key idea of the proposed scheme is to utilize the output of the rectenna used for receiving microwave power. Using rectenna output, a WLAN station based on the proposed scheme assesses whether the station is exposed to microwave radiation for MPT. Then, using historical data corresponding to the assessment result, the station selects an appropriate PHY data rate. The historical data are obtained from previous transmission results, e.g., historical data pertaining to the data frame loss ratio. The proposed scheme was implemented and verified through an experiment. Experimental results showed that the proposed scheme prevents the reduction in the PHY data rate, which is caused by the use of historical data stored in a single memory. Thus, the proposed scheme leads to an improvement in the WLAN throughput.
Rights: © 2015 The Institute of Electronics, Information and Communication Engineers
URI: http://hdl.handle.net/2433/200767
DOI(Published Version): 10.1587/transcom.E98.B.1785
Related Link: http://search.ieice.org/index.html
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