Presentation 1999/12/17
A New Technique for Frequency Offset Compensation in OFDM Systems
Shuji Nishijima, Kohei Otake,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) In this paper, we propose a new technique that can compensate frequency offset which causes the intercarrier interference (ICI) in OFDM systems. This proposed technique is a nondata-aided type which means the frequency offset compensation can be done using only the infomation bearing symbols, and it uses an adaptive filter to estimate frequency offset. Since the tracking range by this technique is influenced by the channel characteristics, the number of subcarriers and the number of guard-subcarriers, we analyse these characteristics theoretically and clarify compensation performances by computer simulation.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) OFDM / frequency offset / nondata-aided / tracking range / guard-subcarrier
Paper # IE99-108
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Committee IE
Conference Date 1999/12/17(1days)
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Registration To Image Engineering (IE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A New Technique for Frequency Offset Compensation in OFDM Systems
Sub Title (in English)
Keyword(1) OFDM
Keyword(2) frequency offset
Keyword(3) nondata-aided
Keyword(4) tracking range
Keyword(5) guard-subcarrier
1st Author's Name Shuji Nishijima
1st Author's Affiliation College of Engineering, Hosei University()
2nd Author's Name Kohei Otake
2nd Author's Affiliation College of Engineering, Hosei University
Date 1999/12/17
Paper # IE99-108
Volume (vol) vol.99
Number (no) 513
Page pp.pp.-
#Pages 6
Date of Issue