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Paper Abstract and Keywords
Presentation 2015-07-31 09:45
Prototype of Right- and Left-hand Circularly Polarized Receiving Antenna for Satellite Broadcasting
Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK)
Abstract (in Japanese) (See Japanese page) 
(in English) A 12-GHz (11.7 to 12.75 GHz) band satellite service with dual-circular polarization is being studied for transmission channels to deliver 8K Super Hi-Vision, and so on. A right- and left-circular polarized parabolic reflector antenna will make it possible to receive services provided over these polarizations with a single reflector antenna, reducing the installation costs of the receiving system. Since a dual converter, which corresponds to right- and left-circular polarizations, is required for the antenna to carry the received signals on a single cable, ARIB Standard STD-B63 defined the intermediate frequency for the signals with left-circular polarization in March 2015. Therefore, we fabricated and measured the dual-polarization receiving antenna in accordance with the specifications of the standard, considering the feasibility of the mass production. The measured results showed that the aperture efficiency was more than 74 %, the cross polarization discrimination was more than 26 dB and the noise figure of the converter was less than 1 dB throughout the 12-GHz band.
Keyword (in Japanese) (See Japanese page) 
(in English) Satellite Broadcasting / 12GHz-band / Dual-polarization Antenna / Parabolic Antenna / / / /  
Reference Info. ITE Tech. Rep., vol. 39, no. 8, BCT2015-60, pp. 37-40, July 2015.
Paper # BCT2015-60 
Date of Issue 2015-07-23 (BCT) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Committee BCT IEEE-BT  
Conference Date 2015-07-30 - 2015-07-31 
Place (in Japanese) (See Japanese page) 
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Paper Information
Registration To BCT 
Conference Code 2015-07-BCT-BT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Prototype of Right- and Left-hand Circularly Polarized Receiving Antenna for Satellite Broadcasting 
Sub Title (in English)  
Keyword(1) Satellite Broadcasting  
Keyword(2) 12GHz-band  
Keyword(3) Dual-polarization Antenna  
Keyword(4) Parabolic Antenna  
1st Author's Name Masafumi Nagasaka  
1st Author's Affiliation Japan Broadcasting Corporation (NHK)
2nd Author's Name Susumu Nakazawa  
2nd Author's Affiliation Japan Broadcasting Corporation (NHK)
3rd Author's Name Shoji Tanaka  
3rd Author's Affiliation Japan Broadcasting Corporation (NHK)
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Speaker Author-1 
Date Time 2015-07-31 09:45:00 
Presentation Time 25 minutes 
Registration for BCT 
Paper # BCT2015-60 
Volume (vol) vol.39 
Number (no) no.8 
Page pp.37-40 
Date of Issue 2015-07-23 (BCT) 

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