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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, CCS, SR, SRW (Joint) |
2016-03-02 09:00 |
Tokyo | Tokyo Institute of Technology | Adaptive Low Power Density Baseband Radio[II]
-- Multi-user Transmission Scheme in Propagation Environments Having Each Different Delay Spread -- Jin Nakazato, Yoshio Karasawa (UEC)  SR2015-89 |
We have proposed low power density baseband radio with frequency-domain differential spreading code for realizing underl... [more] | SR2015-89 pp.1-7 |
| SR | 2016-01-22 13:20 |
Nagasaki | Fukue-bunka-kaikan | QZSS Short Message SS-CDMA Communication: Consideration of Fairness in Random Access Control Scheme with Reservation Channel Kei Ohya, Tomohide Takahashi, Suguru Kameda (Tohoku Univ.), Hiroshi Oguma (NIT, Toyama College), Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2015-85 |
The Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way c... [more] | SR2015-85 pp.87-94 |
| CCS | 2015-11-10 15:25 |
Kyoto | Inamori Foundation Memorial Building, Kyoto Univ. | Optimal CDMA Systems with Heterogeneous Autocorrelations of Constant Power Spreading Sequence
-- Theory and its Performance Evaluation -- Hirofumi Tsuda, Ken Umeno (Kyoto Univ.) CCS2015-64 |
Recently, the new spreading sequence obtained by Weyl sequence is proposed. Its crosscorrelation function follows O(1/N)... [more] | CCS2015-64 pp.103-108 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-06 09:55 |
Okinawa | Okinawa Prefectural Museum & Art Museum | Adaptive low power density baseband radio in multi-path rich environment Jin Nakazato, Uyanga Galbadrakh, Yuki Morimoto, Yoshio Karasawa (UEC) RCS2015-226 |
In this report, we propose low power density baseband radio with frequency-domain differential spreading code for realiz... [more] | RCS2015-226 pp.215-220 |
| WBS, MICT | 2015-07-22 11:50 |
Nara | Nara Institute of Science and Technology | On a bent type ZCZ code and its application to CDMA Shinya Matsufuji (Yamaguchi Univ.), Takafumi Hayashi (Univ. of Aizu), Sho Kuroda (FX Systems), Yuta Ida, Takahiro Matsumoto (Yamaguchi Univ.) WBS2015-26 MICT2015-30 |
This paper defines a set of sequences with a zero correlation zone, that their Fourier transform over GF(p) of correspon... [more] | WBS2015-26 MICT2015-30 pp.69-74 |
| RCS | 2015-04-17 08:55 |
Oita | Yufuin, Yufugoukan | Experimental Evaluation of Timing Synchronization Accuracy considering Elevation Angle Mask for QZSS SS-CDMA Short Message Communication Yuji Miyake, Suguru Kameda, Akinori Taira (Tohoku Univ.), Keita Norishima, Hiroshi Oguma (NIT, Toyama college), Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2015-10 |
We have proposed spread spectrum code division multiple access (SS-CDMA) short message communication using Quasi-Zenith ... [more] | RCS2015-10 pp.47-52 |
| RCS, SR, SRW (Joint) |
2015-03-06 10:50 |
Tokyo | Tokyo Institute of Technology | Adaptive 2-Dimensional Block Spreading for Downlink MC-CDMA Distributed Antenna Network Yumeto Mori, Shohei Inoshita, Hiroyuki Miyazaki, Fumiyuki Adachi (Tohoku Univ.) RCS2014-353 |
In this paper, we study in order to apply the multi-carrier code division multiple access (MC-CDMA) and 2-dimensional bl... [more] | RCS2014-353 pp.309-314 |
| ISEC, IT, WBS | 2015-03-02 17:05 |
Fukuoka | The University of Kitakyushu | On Block Spreading ZCZ-CDMA for High-Speed Transmission Sho Kuroda (FX Systems), Kazuhiro Kobayashi, Yuta Ida, Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) IT2014-89 ISEC2014-102 WBS2014-81 |
ZCZ-CDMA with a block spreading technique (BC-ZCZ-CDMA), that a data block is decoded by using a spreading sequence with... [more] | IT2014-89 ISEC2014-102 WBS2014-81 pp.173-178 |
| SR | 2015-01-29 13:50 |
Hokkaido | KKR Hakodate | Experimental Evaluation of Synchronization Accuracy for QZSS SS-CDMA Short Message Communication Kohei Akimoto, Yuji Miyake, Suguru Kameda, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2014-96 |
For realizing a safety confirmation system for disaster utilizing Quasi-Zenith Satellite (QZS), we have proposed spread ... [more] | SR2014-96 pp.13-18 |
| NLP | 2015-01-26 12:15 |
Oita | Compal Hall | Analysis on Optimal Markov Code for DS/SS to Minimize the BER Yoshimasa Narumiya, Mikio Hasegawa (Tokyo Univ. Science) NLP2014-118 |
It has been shown that the chaotic spreading code is effective for the DS/CDMA systems. By analyzing the most effective ... [more] | NLP2014-118 pp.31-36 |
| WBS, ITS (Joint) |
2014-12-19 11:10 |
Kumamoto | Kumamoto University | Pulse Duty Factor and Transmission Power Evaluation of Direct Sequence Spread Spectrum Communication System for Body Area Network Masayuki Sakata, Tetsushi Ikegami (Meiji Univ.) WBS2014-52 |
This paper presents the pulse duty factor and transmission power evaluation of direct sequence spread spectrum UWB commu... [more] | WBS2014-52 pp.71-75 |
| IPSJ-AVM, CS, IE, ITE-BCT [detail] | 2014-12-04 14:50 |
Osaka | Osaka University Nakanoshima Center | A Proposal of Encoding Marker which is Robust against Blur and easy to Detect Norimasa Kobori, Daisuke Deguchi (Nagoya Univ), Tomokazu Takahashi (Gifu Shotoku Univ), Ichiro Ide, Hiroshi Murase (Nagoya Univ) CS2014-73 IE2014-59 |
We proposed a new encoding Marker which can have flexibility to marker’s placement and distance. Our method can detect t... [more] | CS2014-73 IE2014-59 pp.19-24 |
| NLP | 2014-12-03 13:50 |
Tokyo | Kyoto Univ. Tokyo Office | Performance Analysis of Super Dense Multiple Access(SDMA) Communications Systems Using Almost Periodic Function Codes Tomoya Naohara, Ken Umeno (Kyoto Univ.) NLP2014-101 |
We propose a new communications system that is different from what is using PN codes or chaotic codes. It is based on th... [more] | NLP2014-101 pp.11-16 |
| SAT | 2014-10-24 16:20 |
Overseas | Hae-un-dae Grand Hotel, Busan, Korea | A Proposal for Aircraft Tracking Satellite System
-- Never to repeat the disaster of MH370 -- Osamu Ichiyoshi (HNB21C) SAT2014-49 |
Malaysian Airways Flight370 (MH370) lost contact with the air traffic controllers on 8, March, 2014 and was never discov... [more] | SAT2014-49 pp.183-188 |
| RCS | 2014-10-16 11:00 |
Kanagawa | Keio Univ. | On a Multicarrier Code Division Multiple Access System without Interference for High Speed Transmission Ainiwan Abudoukeremu (Yamaguchi Univ.), Sho Kuroda (FX Systems), Yuta Ida, Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) RCS2014-160 |
This report proposes a multicarrier code division multiple access (MC-CDMA) scheme without the multiple access interfere... [more] | RCS2014-160 pp.25-30 |
| RCC, ASN, NS, RCS, SR (Joint) |
2014-07-30 13:30 |
Kyoto | Kyoto Terrsa | Joint Frequency-Domain Equalization and De-spreading Based on Belief Propagation for Multi-Code Direct Sequence Spread Spectrum Transmission Hiroyuki Miyazaki, Fumiyuki Adachi (Tohoku Univ.) RCS2014-89 |
Multi-code direct sequence spread spectrum (DSSS) transmission suffers from residual inter-code interference (ICI) after... [more] | RCS2014-89 pp.1-6 |
| RCS | 2014-06-17 09:40 |
Okinawa | Okinawa-ken Seinenkaikan (Naha) | Transmission Performance of QZSS Short Message Communication SS-CDMA in Rayleigh Fadaing Environment Kohei Akimoto, Yuji Miyake, Suguru Kameda, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2014-37 |
Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way commu... [more] | RCS2014-37 pp.31-36 |
| NLP | 2014-05-27 15:45 |
Shimane | Big Heart IZUMO | Effectiveness of Gabor Division Spread Spectrum System and its Design and Implementation Hiroki Kato, Hisashi Watanabe, Mikio Hasegawa (Tokyo Univ. of Science) NLP2014-18 |
Gabor Division/Spread Spectrum System (GD/SSS) has been proposed by extending spread spectrum system using the codes in ... [more] | NLP2014-18 pp.91-94 |
| SAT, WBS (Joint) |
2014-05-15 15:10 |
Aichi | Nagoya Institute of Technology | QZSS Short Message SS-CDMA Communication: Performance Evaluation of Efficient Random Access Control Scheme with Reservation Channel Suguru Kameda, Tomohide Takahashi, Yuji Miyake, Akinori Taira (Tohoku Univ.), Fumihiro Yamagata (KNCT), Hiroshi Oguma (TNCT), Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SAT2014-3 |
Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way commu... [more] | SAT2014-3 pp.11-16 |
| RCS, SR, SRW (Joint) |
2014-03-03 10:10 |
Tokyo | Waseda Univ. | Single-carrier Frequency-Domain CDMA Amnart Boonkajay, Fumiyuki Adachi (Tohoku Univ.) RCS2013-309 |
Single-carrier (SC) transmission is an appropriate transmission scheme for uplink transmission because of its low peak-t... [more] | RCS2013-309 pp.19-23 |
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