Experiment on Synchronous Timing Signal Detection from ISDB-T Terrestrial Digital TV Signal with Application to Autonomous Distributed ITS-IVC Network
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概要
- 論文の詳細を見る
A novel timing synchronizing scheme is proposed for use in inter-vehicle communication (IVC) with an autonomous distributed intelligent transport system (ITS). The scheme determines the timing of packet signal transmission in the IVC network and employs the guard interval (GI) timing in the orthogonal frequency divisional multiplexing (OFDM) signal currently used for terrestrial broadcasts in the Japanese digital television system (ISDB-T). This signal is used because it is expected that the automotive market will demand the capability for cars to receive terrestrial digital TV broadcasts in the near future. The use of broadcasts by automobiles presupposes that the on-board receivers are capable of accurately detecting the GI timing data in an extremely low carrier-to-noise ratio (CNR) condition regardless of a severe multipath environment which will introduce broad scatter in signal arrival times. Therefore, we analyzed actual broadcast signals received in a moving vehicle in a field experiment and showed that the GI timing signal is detected with the desired accuracy even in the case of extremely low-CNR environments. Some considerations were also given about how to use these findings.
- (社)電子情報通信学会の論文
- 2009-01-01
著者
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Fujii Takeo
Advance Wireless Communication Research Center (awcc) University Of Electro-communications
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Karasawa Yoshio
Advance Wireless Communication Research Center (awcc) The University Of Electro-communications
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Suzuki Noriyoshi
Toyota Central R&d Labs. Inc.
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Takemoto Atsushi
Advanced Wireless Communication Research Center (awcc) The University Of Electro-communications
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Ito Kenji
Toyota Central R&d Labs. Inc.
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Karasawa Yoshio
Advanced Wireless Communication Research Center (awcc) The University Of Electro-communications
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KUMAGAI Taichi
Advanced Wireless Communication research Center (AWCC), The University of Electro-Communications
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Kumagai Taichi
Advanced Wireless Communication Research Center (awcc) The University Of Electro-communications
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Ito Kenji
Toyota Central R&d Laboratories Inc.
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Ito Kenji
Toyota Central R&D Labs., Inc.
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KARASAWA Yoshio
Advanced Wireless Communication research Center (AWCC), The University of Electro-Communications
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