Presentation	2007-10-19 Improved Clip and Filter Technique for OFDM System Using Power Series to Approximate Clipping Operation Yoshimasa DAIDO, Tamio SAITO,
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Abstract(in English)	Peak reduction process by clipping is approximated by a power series of OFDM signal. The approximation clarifies relation, to avoid fold over, between over-sampling rate and the highest order of the series. Since filtering is equivalent to summation of the signals at different sampling points, correlation between signals is one reason of peak re-growth which can be eliminated by adjusting coefficients of the power series : this adjustment method will be described in detail. Computer simulation has shown that peak power can be reduced to the value higher than average power only by 5.43dB.
Keyword(in Japanese)	(See Japanese page)
Keyword(in English)	OFDM / peak reduction / clip and filter
Paper #	RCS2007-89
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Conference Information
Committee	RCS
Conference Date	2007/10/11(1days)
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Paper Information
Registration To	Radio Communication Systems (RCS)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Improved Clip and Filter Technique for OFDM System Using Power Series to Approximate Clipping Operation
Sub Title (in English)
Keyword(1)	OFDM
Keyword(2)	peak reduction
Keyword(3)	clip and filter
1st Author's Name	Yoshimasa DAIDO
1st Author's Affiliation	Faculty of Engineering, Kanazawa Institute of Technology()
2nd Author's Name	Tamio SAITO
2nd Author's Affiliation	NGW Project, FUJITSU LABORATORIES
Date	2007-10-19
Paper #	RCS2007-89
Volume (vol)	vol.107
Number (no)	262
Page	pp.pp.-
#Pages	5
Date of Issue