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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| IT, SIP, RCS | 2020-01-24 09:55 |
Hiroshima | Hiroshima City Youth Center | A Study on Construction Method of Orthogonal Variable-Length Spreading Sequences over Finite Fields Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic University)  IT2019-66 SIP2019-79 RCS2019-296 |
Orthogonal spreading codes have been applied to multiple access for communication systems. Tree structured orthogonal ... [more] |
IT2019-66 SIP2019-79 RCS2019-296 pp.173-178 |
| CAS, CS | 2019-03-09 11:15 |
Kanagawa | Shonan Institute of Technology | On Polyphase Sequence Sets with Low Correlation Properties Yuhei Ohashi, Sho Kuroda, Yuta Ida, Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) CAS2018-150 CS2018-118 |
In recent years, Zadoff-Chu sequence which is a polyphase sequence set has been used as synchronization sequences and s... [more] | CAS2018-150 CS2018-118 pp.65-70 |
| 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 |
| NLP, CCS | 2015-06-11 15:30 |
Tokyo | Waseda Univerisity | Applicability and characteristics to satellite communications with power constant chaotic spreading sequence Isao Nakazawa, Ken Umeno (Kyoto Univ.) NLP2015-51 CCS2015-13 |
On explosion of Telecommunications and the Big Data, super-multi access satellite sensor network and high-speed satellit... [more] | NLP2015-51 CCS2015-13 pp.73-78 |
| 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 |
| 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 |
| CAS | 2013-01-29 14:55 |
Oita | Beppu International Convention Center | Performance Evaluation of Spreading Codes with Negative Auto-Correlation Based on Gold Sequences and Chaos Theory
-- BER in Asynchronous DS/CDMA Communications under AWGN Environment -- Satoshi Abe, Akio Tsuneda (Kumamoto Univ.) CAS2012-87 |
In asynchronous DS/CDMA communications, spreading codes with appropriate negative auto-correlation can reduce bit error ... [more] | CAS2012-87 pp.121-124 |
| IT | 2012-07-19 15:05 |
Aichi | Toyota Technological Institute | Modification of Gold sequences for Optical CDM Satoru Aoyama, Shogo Usami (Meijo Univ.) IT2012-12 |
One of multiplexing scheme for optical communication is Optical Code Division Multiplexing (O-CDM). In O-CDM, there a... [more] |
IT2012-12 pp.19-23 |
| NLP | 2011-05-26 14:15 |
Kagawa | Olive park olive memorial hall | An Analysis of a High-Order Delay-Locked Loop in the Presence of White Channel Noise and Nonwhite Multiple Access Interference Keisuke Nagata, Hisato Fujisaka, Takeshi Kamio, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2011-4 |
This manuscript reports a procedure and results of probabilistic analysis of non-coherent delay-locked loop (NC-DLL) use... [more] | NLP2011-4 pp.15-20 |
| ISEC, IT, WBS | 2011-03-04 11:15 |
Osaka | Osaka University | Performance evaluation of MC-CDMA system which permits time and frequency offsets Tatsuma Kuwazaki, Tohru Kohda, Yutaka Jitsumatsu (Kyushu Univ.) IT2010-109 ISEC2010-113 WBS2010-88 |
In code division multiple access (CDMA) systems, spreading code is introduced as the third axis in addition to the time... [more] |
IT2010-109 ISEC2010-113 WBS2010-88 pp.271-276 |
| NLP | 2010-12-13 11:00 |
Tottori | Yonago Convention Center | An All-Coupled Probabilistic Network Model of Delay-Locked Loops Keisuke Nagata, Hisato Fujisaka, Takeshi Kamio, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2010-115 |
In this paper, we build a probabilistic 2J+1-site network which is a model of a delay-locked loop (DLL) in a CDMA commun... [more] | NLP2010-115 pp.21-26 |
| RCS, SIP | 2010-01-22 14:30 |
Fukuoka | Kyushu Univ. | Performance Comparison of MLD and MMSE-based Linear Filtering Assuming Spreading Code Sequences Appropriate for MLD in MC-CDMA Akira Wakamiya, Kenichi Higuchi (Tokyo Univ. of Science) SIP2009-111 RCS2009-245 |
This paper investigates the performance comparison between the maximum likelihood detection (MLD) and minimum mean squar... [more] | SIP2009-111 RCS2009-245 pp.223-228 |
| ITS, WBS (Joint) |
2009-12-09 14:00 |
Kumamoto | Kumamoto University | Analog Network Coding of Spreaded Signals with Packet Combining Jian Rong Loh (Yokohama Nat Univ.), Gabriel Porto Villardi (NICT), Ryuji Kohno (Yokohama Nat Univ.) WBS2009-45 |
This paper is another effort of combining network coding and channel coding to achieve improved reliability of network c... [more] | WBS2009-45 pp.49-54 |
| RCS | 2009-08-04 16:25 |
Miyagi | Tohoku Univ. | Performance Evaluation of Spreading Code Sequence Appropriate for Maximum Likelihood Detection in MC-CDMA with Channel Coding Akira Wakamiya, Kenichi Higuchi (Tokyo Univ. of Sci.) RCS2009-107 |
This paper investigates the spreading code sequences appropriate for the multicarrier code division multiple access (MC-... [more] | RCS2009-107 pp.171-176 |
| RCS | 2009-06-26 13:40 |
Aichi | Nagoya University | Spreading Code Sequences Appropriate for Maximum Likelihood Detection in MC-CDMA Akira Wakamiya, Kenichi Higuchi (Tokyo Univ. of Sci.) RCS2009-48 |
This paper investigates the spreading code sequences appropriate for the multicarrier code division multiple access (MC-... [more] | RCS2009-48 pp.113-118 |
| WBS, IT, ISEC | 2009-03-09 09:25 |
Hokkaido | Hakodate Mirai Univ. | Markovian Coded Gaussian Filter with its application to Filterbanks Tohru Kohda, Yutaka Jitsumatsu, Tatsuma Kuwazaki, Kenjiro Fujino (Kyushu Univ.) IT2008-58 ISEC2008-116 WBS2008-71 |
In code division multiple access (CDMA) systems, spreading code is introduced as the third axis in addition to the time ... [more] | IT2008-58 ISEC2008-116 WBS2008-71 pp.91-98 |
| NLP | 2008-12-10 10:10 |
Ishikawa | Performance evaluation of complex chaotic spreading sequence with constant power Ryo Takahashi (RIKEN), Etsushi Nameda, Ken Umeno (ChaosWare Inc.) NLP2008-81 |
A performance of the complex chaotic spreading sequences with constant power in a chip-synchronous CDMA using a complex ... [more] | NLP2008-81 pp.59-62 |
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| NLP | 2008-08-01 10:25 |
Kochi | A Statistical Analysis of Delay-Locked Loops in Asynchronous CDMA Communication Keisuke Nagata, Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2008-34 |
This manuscript reports a procedure and results of probabilistic analysis of delay-locked loops used in asynchronous DS/... [more] | NLP2008-34 pp.7-12 |
|
| SAT, WBS (Joint) |
2008-05-27 16:15 |
Chiba | Nihon Univ. (Tsudanuma) | Characteristics of MC-CDMA Code-Diversity Communication Systems Shinji Aoki, Shin'ichi Tachikawa (Nagaoka Univ. of Tech.) WBS2008-3 |
In this paper, we present characteristics of a novel MC-CDMA code-diversity communication systems by using several eleme... [more] | WBS2008-3 pp.13-18 |
| NLP | 2008-03-28 15:45 |
Hyogo | A Stochastic Method for the Analysis of Delay-Locked Loops in Quasi-Synchronous CDMA Communication Keisuke Nagata, Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2007-178 |
This manuscript reports a procedure and results of probabilistic analysis of delay-locked loops used in quasi-synchrono... [more] |
NLP2007-178 pp.67-72 |
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