Presentation 2018-02-28
Digital Transmission Analysis from Propagation Viewpoint
Yoshio Karasawa,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) In order to investigate the physical limit of digital transmission in multipath environments, in our previous reports, we focused on this theme and analyzed the channel capacity as a numerical indicator of its information transmission capability. Among them, we understood that the spread factor is deeply involved in the limit of wireless transmission (channel capacity) as a key parameter. In this report, we focus on the floor value of BER in doubly-selective fading environments, and show the signal design method to minimize this floor value and the floor value at that time.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Doubly-selective fading / Spread factor / Equivalent transmission-path model / BER floor
Paper # RCS2017-341
Date of Issue 2018-02-21 (RCS)

Conference Information
Committee RCS / SR / SRW
Conference Date 2018/2/28(3days)
Place (in Japanese) (See Japanese page)
Place (in English) YRP
Topics (in Japanese) (See Japanese page)
Topics (in English) Mobile Communication Workshop
Chair Hidekazu Murata(Kyoto Univ.) / Kenta Umebayashi(Tokyo Univ. of Agric. and Tech.) / Tadao Nakagawa(Tottori Univ.)
Vice Chair Yukitoshi Sanada(Keio Univ.) / Eisuke Fukuda(Fujitsu Labs.) / Satoshi Suyama(NTT DoCoMo) / Masayuki Ariyoshi(NEC) / Suguru Kameda(Tohoku Univ.) / Satoshi Denno(Okayama Univ.) / Makoto Hamaminato(Fujitsu labs.)
Secretary Yukitoshi Sanada(Toshiba) / Eisuke Fukuda(Hokkaido Univ.) / Satoshi Suyama(NICT) / Masayuki Ariyoshi(ATR) / Suguru Kameda(NICT) / Satoshi Denno(Kyoto Univ.) / Makoto Hamaminato
Assistant Tetsuya Yamamoto(Panasonic) / Koichi Ishihara(NTT) / Kazushi Muraoka(NEC) / Shinsuke Ibi(Osaka Univ.) / Hiroshi Nishimoto(Mitsubishi Electric) / Mamiko Inamori(Tokai Univ.) / Hiroyuki Shiba(NTT) / Gia Khanh Tran(Tokyo Inst. of Tech.) / Syusuke Narieda(NIT, Akashi College) / Kentaro Saito(Tokyo Inst. of Tech.) / Hiromasa Yamauchi(Fujitsu labs.)

Paper Information
Registration To Technical Committee on Radio Communication Systems / Technical Committee on Smart Radio / Technical Committee on Short Range Wireless Communications
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Digital Transmission Analysis from Propagation Viewpoint
Sub Title (in English)
Keyword(1) Doubly-selective fading
Keyword(2) Spread factor
Keyword(3) Equivalent transmission-path model
Keyword(4) BER floor
1st Author's Name Yoshio Karasawa
1st Author's Affiliation *(*)
Date 2018-02-28
Paper # RCS2017-341
Volume (vol) vol.117
Number (no) RCS-456
Page pp.pp.137-142(RCS),
#Pages 6
Date of Issue 2018-02-21 (RCS)