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Paper Abstract and Keywords
Presentation 2005-05-26 14:00
Introduction of the Block-OFDM
Akiyoshi Monma (PMCS), Eiji Ohta (TDT), Mitsuru Uesugi (PMC)
Abstract (in Japanese) (See Japanese page) 
(in English) In OFDM system, a cyclic prefix of the OFDM signal is inserted into the guard interval(GI) to remove the adverse effect of multi-path signal. The length of GI that considered an exceptional long delay path is necessary, so that it can be a large data of over-head. In this paper, we propose the Block-OFDM system that assumes time division multiplex pilot symbol at the head of a frame and inserted GI only in the front of pilot symbol. In Block OFDM system, influences of channel are estimated with pilot symbol and the results are interpolated. Using interpolated the results of estimating channel influence, it can be equalized data symbol not inserted GI. We evaluate the transmission performance between the Block-OFDM and the conventional OFDM by simulation and report about it.
Keyword (in Japanese) (See Japanese page) 
(in English) OFDM / Guard Interval / frequency-domain equalization / long delay path / / / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 88, RCS2005-16, pp. 1-4, May 2005.
Paper # RCS2005-16 
Date of Issue 2005-05-19 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee RCS IN  
Conference Date 2005-05-26 - 2005-05-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2005-05-RCS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Introduction of the Block-OFDM 
Sub Title (in English)  
Keyword(1) OFDM  
Keyword(2) Guard Interval  
Keyword(3) frequency-domain equalization  
Keyword(4) long delay path  
1st Author's Name Akiyoshi Monma  
1st Author's Affiliation Panasonic Mobile Communications Sendai R&D Lab. Co.,Ltd (PMCS)
2nd Author's Name Eiji Ohta  
2nd Author's Affiliation Tokyo Design of Transmission (TDT)
3rd Author's Name Mitsuru Uesugi  
3rd Author's Affiliation Panasonic Mobile Communications Co., Ltd (PMC)
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Date Time 2005-05-26 14:00:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-RCS2005-16 
Volume (vol) IEICE-105 
Number (no) no.88 
Page pp.1-4 
#Pages IEICE-4 
Date of Issue IEICE-RCS-2005-05-19 

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