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IEICE TRANSACTIONS on Communications

Comparative Analysis on Channel Allocation Schemes in Multiple Subcarrier Passive Communication System

Nitish RAJORIA, Yuki IGARASHI, Jin MITSUGI, Yusuke KAWAKITA, Haruhisa ICHIKAWA

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Summary :

Multiple subcarrier passive communication is a new research area which enables a type of frequency division multiple access with wireless and batteryless sensor RF tags just by implementing RF switches to produce dedicated subcarriers. Since the mutual interference among subcarriers is unevenly distributed over the frequency band, careless allocations of subcarrier frequencies may result in degraded network performance and inefficient use of the frequency resource. In this paper, we examine four subcarrier frequency allocation schemes using MATLAB numerical simulations. The four schemes are evaluated in terms of the communication capacity and access fairness among sensor RF tags. We found that the subcarrier allocation scheme plays an important role in multiple subcarrier communication and can improves the communication capacity by 35%.

Publication
IEICE TRANSACTIONS on Communications Vol.E98-B No.9 pp.1777-1784
Publication Date
2015/09/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E98.B.1777
Type of Manuscript
Special Section PAPER (Special Section on Emerging Technologies on Ambient Sensor Networks toward Future Generation)
Category

Authors

Nitish RAJORIA
  Keio University
Yuki IGARASHI
  Keio University
Jin MITSUGI
  Keio University
Yusuke KAWAKITA
  The University of Electro-Communications
Haruhisa ICHIKAWA
  The University of Electro-Communications

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