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Paper Abstract and Keywords
Presentation 2014-01-31 16:05
Pulse Duty Factor Evaluation of Indoor Direct Sequence Spread Spectrum Reliable Radio Communications
Masayuki Sakata, Tetsushi Ikegami (Meiji Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In the spread spectrum (SS) radio communication, signals are normally spreaded by a SS code which is 100% duty ratio. This paper describes the communication performance evaluation of lower duty ratio SS code. In normal SS code, the error floor occurs at high signal to noise ratio because of the intersymbol interference caused by the delay waves in a multipath fading channel. However the low duty SS code improves communication performance because they avoid the intersymbol interference. In this study, ultra wide band (UWB) system and the indoor multipath fading environment are assumed. By the simulation, the improvements of the communication performance are confirmed.
Keyword (in Japanese) (See Japanese page) 
(in English) Spread Spectrum / Direct Sequence / Duty ratio / Multipath Fading / UWB / / /  
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Conference Information
Committee RCC  
Conference Date 2014-01-31 - 2014-01-31 
Place (in Japanese) (See Japanese page) 
Place (in English) National Institute of Information and Communications Technology 
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Paper Information
Registration To RCC 
Conference Code 2014-01-RRRC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Pulse Duty Factor Evaluation of Indoor Direct Sequence Spread Spectrum Reliable Radio Communications 
Sub Title (in English)  
Keyword(1) Spread Spectrum  
Keyword(2) Direct Sequence  
Keyword(3) Duty ratio  
Keyword(4) Multipath Fading  
Keyword(5) UWB  
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1st Author's Name Masayuki Sakata  
1st Author's Affiliation Meiji University (Meiji Univ.)
2nd Author's Name Tetsushi Ikegami  
2nd Author's Affiliation Meiji University (Meiji Univ.)
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Speaker Author-1 
Date Time 2014-01-31 16:05:00 
Presentation Time 25 minutes 
Registration for RCC 
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