Pregled bibliografske jedinice broj: 108647
Sparse coding blind source separation through powerline
Sparse coding blind source separation through powerline // Neurocomputing, 48 (2002), 1-4; 1015-1020 (međunarodna recenzija, pismo, znanstveni)
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Naslov
Sparse coding blind source separation through powerline
Autori
Szu, Harold ; Chanyagorn, Pornchai ; Kopriva, Ivica
Izvornik
Neurocomputing (0925-2312) 48
(2002), 1-4;
1015-1020
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, pismo, znanstveni
Ključne riječi
Powerline communication; Smart sensor web; Under-determined blind source separation.
Sažetak
Without multiplexing, Powerline (PL) can support the concept of Smart Sensor Web (SSW) broadcasting of an N-sensors-to-single-owner (N-to-1) for household/stadium/mall/metro/city surveillance. In order to make the single user scenario feasible, the underdetermined Blind Source Separation (BSS) problem has to be solved so that only inner product time series signal is known. Our contribution is based on the understanding that the finite alphabet property of the binary sources can resolve the underdetermined PL BSS case. For example, the alphabet of two binary sources consists of four states (1 1, 1 -1, -1 1, -1 -1), which mixing vector and noise will spread in the mixed signal , around the four centroids. We apply Self-organizing Maps (SOM) to compute centroids from which the impulse response vector is determined. Then, the source vector is recovered using the standard LMS method.
Izvorni jezik
Engleski
Znanstvena područja
Elektrotehnika
POVEZANOST RADA
Projekti:
036024
Ustanove:
Fakultet elektrotehnike i računarstva, Zagreb
Profili:
Ivica Kopriva
(autor)
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus
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