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IEICE TRANSACTIONS on Fundamentals

Application of Noise-Enhanced Detection of Subthreshold Signals for Communication Systems

Hyunju HAM, Toshimasa MATSUOKA, Kenji TANIGUCHI

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Summary :

A signal detection system using noise statistical processing is proposed. By approaching the problems of low voltage and high noise from miniaturization of a device from a stochastic point of view, a faint-signal receiving system that can effectively detect subthreshold and noise level signals has been developed. In addition, an alternative to statistical processing is proposed, and would be successfully implemented on a circuit. For the proposed signal detection method, the detection sensitivity was investigated using numerical simulation, and the detection sensitivity was sufficiently high to detect even a signal with a signal-to-inherent-noise ratio of -14 dB. Thus, it is anticipated that the application of this system to an integrated circuit will have a significant impact on signal processing.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E92-A No.4 pp.1012-1018
Publication Date
2009/04/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E92.A.1012
Type of Manuscript
Special Section PAPER (Special Section on Advanced Technologies Emerging Mainly from the 21st Workshop on Circuits and Systems in Karuizawa)
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