Presentation 2001/9/7
Robustness of OFDM Signal against Temporally Localized Impulsive Noises
Montree Budsabathon, Shinsuke Hara,
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Abstract(in English) In this paper, we present the theoretical analysis of the bit error rate(BER)performance of Single-Carrier Modulation(SCM)and Orthogonal Frequency Division Multiplexing(OFDM)systems under two types of temporally localized impulsive noise environments, namely, with stationary and bursty impulsive noises. The robustness of OFDM system against impulsive noises is then discussed and compared with that of SCM system at the same transmission rate. We show that for OFDM system, the BER performance highly depends on the number of subcarriers and the strength of the impulsive noise, i.e., the level of the power spectral density of the impulsive noise. In addition to the common knowledge on OFDM, we show that OFDM system is sometime less robust to the impulsive noises than SCM system.
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Keyword(in English) SCM / OFDM / Impulsive Noise / Robustness
Paper # NS2001-125,IN2001-89,CS2001-86
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Conference Date 2001/9/7(1days)
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Title (in Japanese) (See Japanese page)
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Title (in English) Robustness of OFDM Signal against Temporally Localized Impulsive Noises
Sub Title (in English)
Keyword(1) SCM
Keyword(2) OFDM
Keyword(3) Impulsive Noise
Keyword(4) Robustness
1st Author's Name Montree Budsabathon
1st Author's Affiliation Department of Electronic, Information and Energy Engineering Graduate School of Engineering, Osaka University()
2nd Author's Name Shinsuke Hara
2nd Author's Affiliation Department of Electronic, Information and Energy Engineering Graduate School of Engineering, Osaka University
Date 2001/9/7
Paper # NS2001-125,IN2001-89,CS2001-86
Volume (vol) vol.101
Number (no) 289
Page pp.pp.-
#Pages 6
Date of Issue