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Paper Abstract and Keywords
Presentation 2011-06-16 13:25
Development of a 1.5-Gbps modulator and demodulator
Naohiko Iai, Yasuhiro Ito (NHK-ES), Tetsuomi Ikeda (NHK)
Abstract (in Japanese) (See Japanese page) 
(in English) We are studying wideband modulation/demodulation technologies to realize system that can transmit non-compression high-definition television signal and the ultra high-definition television signal in wireless transmission of the broadcasting program materials. We developed a QPSK modulator and demodulator that used FPGA for the signal processing device. The modulator makes QPSK modulated signal by its symbol rate of 742 MHz for 1.4835-Gbps HD-SDI signals. In this paper, we mention techniques for realizing high-speed wideband modulation and demodulation technologies, for instance, the features and the circuit configurations of the modulator and demodulator.
Keyword (in Japanese) (See Japanese page) 
(in English) Gbps / FPU / QPSK / FPGA / HD-SDI / quadrature modulation / quadrature demodulation / carrier recovery circuit  
Reference Info. ITE Tech. Rep., vol. 35, no. 21, BCT2011-44, pp. 5-8, June 2011.
Paper # BCT2011-44 
Date of Issue 2011-06-09 (BCT) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee BCT  
Conference Date 2011-06-16 - 2011-06-16 
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 BCT 
Conference Code 2011-06-BCT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of a 1.5-Gbps modulator and demodulator 
Sub Title (in English)  
Keyword(1) Gbps  
Keyword(2) FPU  
Keyword(3) QPSK  
Keyword(4) FPGA  
Keyword(5) HD-SDI  
Keyword(6) quadrature modulation  
Keyword(7) quadrature demodulation  
Keyword(8) carrier recovery circuit  
1st Author's Name Naohiko Iai  
1st Author's Affiliation NHK Engineering Services, Inc. (NHK-ES)
2nd Author's Name Yasuhiro Ito  
2nd Author's Affiliation NHK Engineering Services, Inc. (NHK-ES)
3rd Author's Name Tetsuomi Ikeda  
3rd Author's Affiliation Japan Broadcasting Corporation (NHK)
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Date Time 2011-06-16 13:25:00 
Presentation Time 25 
Registration for BCT 
Paper # ITE-BCT2011-44 
Volume (vol) ITE-35 
Number (no) no.21 
Page pp.5-8 
#Pages ITE-4 
Date of Issue ITE-BCT-2011-06-09 

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