Presentation 2010-05-20
Joint Decoding Scheme Using Correlation of Observed Data According to ADC Bit Levels : Evaluation of Performance Improvement by Avoiding Carry Propagation of ADC Output
Kentaro KOBAYASHI, Takaya YAMAZATO, Masaaki KATAYAMA,
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Abstract(in English) In wireless sensor networks, sensor nodes are densely deployed for reliable sensing of physical phenomenon. Due to the high density in the sensing field, sensor observations are spatially correlated. In this paper, we focus on a joint channel decoding scheme utilizing correlation of the sensor observations according to ADC bit levels. Our proposed scheme makes use of Gray code mapping to avoid carry propagation of sensor ADC outputs. The performance of our approach is examined by simulations using sensing data from experiments in a real indoor environment.
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Keyword(in English) Wireless sensor networks / correlated sources / joint decoding / ADC bit levels / carry propagation
Paper # MoMuC2010-5
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Committee MoMuC
Conference Date 2010/5/13(1days)
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Registration To Mobile Multimedia Communications(MoMuC)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Joint Decoding Scheme Using Correlation of Observed Data According to ADC Bit Levels : Evaluation of Performance Improvement by Avoiding Carry Propagation of ADC Output
Sub Title (in English)
Keyword(1) Wireless sensor networks
Keyword(2) correlated sources
Keyword(3) joint decoding
Keyword(4) ADC bit levels
Keyword(5) carry propagation
1st Author's Name Kentaro KOBAYASHI
1st Author's Affiliation EcoTopia Science Institute, Nagoya University()
2nd Author's Name Takaya YAMAZATO
2nd Author's Affiliation Institute of Liberal Arts & Sciences
3rd Author's Name Masaaki KATAYAMA
3rd Author's Affiliation EcoTopia Science Institute, Nagoya University
Date 2010-05-20
Paper # MoMuC2010-5
Volume (vol) vol.110
Number (no) 40
Page pp.pp.-
#Pages 6
Date of Issue