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Paper Abstract and Keywords
Presentation 2018-10-30 13:30
[Poster Presentation] Adaptive Threshold Setting for Determining Spectrum Occupancy in TV White Space in Thailand
Bipun Man Pati, Attaphongse Taparugssanagorn, Nisarat Tunsakul, Adisorn Lertsinsrubtavee (AIT)
Abstract (in Japanese) (See Japanese page) 
(in English) Threshold setting is a challenging task in spectrum sensing. Adaptive threshold setting outperforms the performance of fixed threshold setting. This paper presents the results of both static and mobile spectrum occupancy measurements carried out in the Pathum Thani province, Bangkok, and the Mae Kasa sub-district of Thailand using a low-cost spectrum analyzer based system using fixed threshold setting technique to show the spectrum occupancy at UHF TV band for testing the feasibility of TV White Space (TVWS) technology. Furthermore, inaccuracy of fixed threshold setting while performing spectrum occupancy measurements is shown by comparing the data with the ground truth report from the National Broadcasting and Telecommunications Commission (NBTC). An adaptive threshold setting algorithm, namely, Forward Consecutive Mean Excision (FCME) are then applied for determining the performance while carrying out spectrum occupancy measurements. Additionally, the adaptive threshold setting is modified to improve the detection performances making the resultant spectrum occupancy more reliable. The proposed technique of adding noise in the FCME algorithm is then optimized to determine the appropriate percentage of noise to be added to make the FCME algorithm more reliable. Furthermore, localization algorithm based on double-thresholding (LAD) and the enhanced version of LAD, i.e., LAD with adjacent cluster combining (ACC) is applied for reliable signal detection.
Keyword (in Japanese) (See Japanese page) 
(in English) spectrum occupancy / threshold setting / FCME / LAD / LAD ACC / / /  
Reference Info. IEICE Tech. Rep.
Paper #  
Date of Issue  
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.

Conference Information
Committee SR RCS  
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-RCS 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Adaptive Threshold Setting for Determining Spectrum Occupancy in TV White Space in Thailand 
Sub Title (in English)  
Keyword(1) spectrum occupancy  
Keyword(2) threshold setting  
Keyword(3) FCME  
Keyword(4) LAD  
Keyword(5) LAD ACC  
1st Author's Name Bipun Man Pati  
1st Author's Affiliation Asian Institute of Technology (AIT)
2nd Author's Name Attaphongse Taparugssanagorn  
2nd Author's Affiliation Asian Institute of Technology (AIT)
3rd Author's Name Nisarat Tunsakul  
3rd Author's Affiliation Asian Institute of Technology (AIT)
4th Author's Name Adisorn Lertsinsrubtavee  
4th Author's Affiliation Asian Institute of Technology (AIT)
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Date Time 2018-10-30 13:30:00 
Presentation Time 60 
Registration for SR 
Paper #  
Volume (vol) IEICE-118 
Number (no) no.274 
#Pages IEICE- 
Date of Issue  

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