Presentation	2012/11/8 OFDM Transmission in Multi-path Propagation Environment Mitoshi FUJIMOTO,
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Abstract(in English)	The OFDM Transmission has been introduced in many mobile communication systems because it has the features of high frequency utilization efficiency and robustness in multi-path environment. In the OFDM system, relation of orthogonal frequencies and guard interval (GI) are utilized to achieve high frequency utilization and high tolerance for multi-path, respectively. In this paper, firstly, principle of the OFDM system such as concept of "Orthogonal frequencies" and scheme of GI as a countermeasure for multi-path waves is described. Then, problems to be solved of OFDM system in multi-path environment are explained. Finally, appropriate symbol length, subcarrier interval and limitation of OFDM system in mobile communication environment are described.
Keyword(in Japanese)	(See Japanese page)
Keyword(in English)	OFDM Transmission / Multi-path propagation / Orthogonal Frequency / Guard Interval
Paper #	A・P2012-97,RCS2012-164
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Conference Information
Committee	RCS
Conference Date	2012/11/8(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)	OFDM Transmission in Multi-path Propagation Environment
Sub Title (in English)
Keyword(1)	OFDM Transmission
Keyword(2)	Multi-path propagation
Keyword(3)	Orthogonal Frequency
Keyword(4)	Guard Interval
1st Author's Name	Mitoshi FUJIMOTO
1st Author's Affiliation	Graduate School of Engineering, University of Fukui()
Date	2012/11/8
Paper #	A・P2012-97,RCS2012-164
Volume (vol)	vol.112
Number (no)	286
Page	pp.pp.-
#Pages	6
Date of Issue