NDLI: Multiple-access interference constrained source extraction in wireless sensor networks

Content Provider	IEEE Xplore Digital Library
Author	Hong-bin Chen Jiu-chao Feng Tse, C.K.
Copyright Year	2009
Description	Author affiliation: Department of Electronic and Information Engineering, Hong Kong Polytechnic University, China (Tse, C.K.) \|\| School of Electronic and Information Engineering, South China University of Technology, Guangzhou 510641, China (Hong-bin Chen; Jiu-chao Feng)
Abstract	We consider the scenario where each sensor in a sensor network observes an instantaneous linear mixture of multiple sources in a sensing field. A portion of sensors transmit their observations to a fusion center simultaneously, through channels with different gains. Due to the bandwidth constraint of links, the sensors' observations are quantized before transmission. A multiple-access interference (MAI) model is therefore adopted to measure the quality of the links under two cases. The fusion center uses a fast independent component analysis (Fast ICA) algorithm with pre-whitening to extract the sources, based on the received data from the transmitting sensors. The performance of source extraction is evaluated by numerical simulations. The results show that the second case is better regarding the impact of MAI on the performance.
Starting Page	2461
Ending Page	2464
File Size	630922
Page Count	4
File Format	PDF
ISBN	9781424438273
DOI	10.1109/ISCAS.2009.5118299
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-24
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiple access interference Interference constraints Wireless sensor networks Sensor fusion Sensor phenomena and characterization Data mining Bandwidth Independent component analysis Signal processing algorithms Intelligent sensors
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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