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Paper Abstract and Keywords
Presentation 2018-10-30 13:30
[Poster Presentation] Direct RF undersampling receiver for wireless IoT real-time spectrum monitor using high-speed clock switching
Tomoyuki Furuichi, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, with the popularization of wireless IoT (Internet of Things), real-time spectrum monitoring technology for wireless IoT frequency bands (920 MHz band, 2.4 GHz band, 5-6 GHz band) is required to avoid the interference between different wireless IoT systems. We have proposed a direct RF undersampling receiver for wireless IoT real-time spectrum monitor using a clock switching scheme. It allows wider monitoring frequency bandwidth than 1/2 of the clock frequency (Nyquist limit) and real-time performance less than 1msec. In this report, we estimate the real-time performance of the proposed spectrum monitor and verify it by using a pulse pattern generator (PPG) as a high-speed variable clock source.
Keyword (in Japanese) (See Japanese page) 
(in English) Undersampling / Receiver / Digital RF / Spectrum sensing / Cognitive radio / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 274, SR2018-68, pp. 21-24, Oct. 2018.
Paper # SR2018-68 
Date of Issue 2018-10-23 (SR) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee SR  
Conference Date 2018-10-30 - 2018-10-31 
Place (in Japanese) (See Japanese page) 
Place (in English) Mandarin Hotel, Bangkok, Thailand 
Topics (in Japanese) (See Japanese page) 
Topics (in English) SmartCom2018 
Paper Information
Registration To SR 
Conference Code 2018-10-SR 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Direct RF undersampling receiver for wireless IoT real-time spectrum monitor using high-speed clock switching 
Sub Title (in English)  
Keyword(1) Undersampling  
Keyword(2) Receiver  
Keyword(3) Digital RF  
Keyword(4) Spectrum sensing  
Keyword(5) Cognitive radio  
1st Author's Name Tomoyuki Furuichi  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Mizuki Motoyoshi  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Suguru Kameda  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Noriharu Suematsu  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Date Time 2018-10-30 13:30:00 
Presentation Time 60 
Registration for SR 
Paper # IEICE-SR2018-68 
Volume (vol) IEICE-118 
Number (no) no.274 
Page pp.21-24 
#Pages IEICE-4 
Date of Issue IEICE-SR-2018-10-23 

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