Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
ISEC, WBS, IT |
2017-03-09 16:15 |
Tokyo |
TOKAI University |
Different Orthogonal Code DS/CDMA with High Spectral Efficiency and Evaluations by Interference Cancellation Using Indoor Radio Wave Intensity Distriburtion Hirofumi Nakajo, Shin'ichi Tachikawa (NIT, Nagaoka) IT2016-116 ISEC2016-106 WBS2016-92 |
High data rate and high spectral efficiency more than LTE can be obtained by different orthogonal codes DS/CDMA communic... [more] |
IT2016-116 ISEC2016-106 WBS2016-92 pp.109-113 |
RCS, SR, SRW (Joint) |
2015-03-04 15:00 |
Tokyo |
Tokyo Institute of Technology |
On Interference Cancellation for High Data Rate Orthogonal Code DS/CDMA Communication System Shouhei Toda, Shin'ichi Tachikawa (NNCT) RCS2014-319 |
In this paper, we devise interference cancellation to improve the performance of high data rate orthogonal code DS/CDMA ... [more] |
RCS2014-319 pp.107-110 |
RCS, AN, MoNA, SR (Joint) |
2009-03-05 09:00 |
Kanagawa |
YRP |
Improvements of MC-CDMA Communication Systems Using Code-Diversity Techniques Shinji Aoki, Shin'ichi Tachikawa (Nagaoka Univ. of Tech.) RCS2008-232 |
In this paper, we present improvements of MC-CDMA code-diversity communication systems by using a novel weight coefficie... [more] |
RCS2008-232 pp.119-124 |
WBS, ITS (Joint) |
2008-12-11 13:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Proposal of synchronous acquisition method in OFDM/MC-CDMA Koji Yokoyama, Shin'ichi Tachikawa (Nagaoka University of Technology) WBS2008-46 |
This paper proposes a novel synchronous acquisition method in asynchronous Orthogonal Frequency Division Multiplexing/Mu... [more] |
WBS2008-46 pp.1-6 |
WBS, ITS (Joint) |
2008-12-11 13:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
On Code-Diversity and Partial Correlation Weight Coefficient Control Techniques in DS/CDMA Shiki Suzuki, Shin'ichi Tachikawa (Nagaoka University of Technology) WBS2008-47 |
This paper presents code-diversity and partial correlation weight coefficient control techniques to suppress multiple ac... [more] |
WBS2008-47 pp.7-12 |
WBS, ITS (Joint) |
2008-12-11 13:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
An Extending of MMFSK-EOD Systems Using Binary Hopping Patterns Suguru Hasegawa, Shin'ichi Tachikawa, Gen Marubayashi (Nagaoka Univ. of Tec.) WBS2008-48 |
By using two kinds hopping patterns, MMFSK systems using even-odd discrimination method (MMFSK-EOD) require demodulation... [more] |
WBS2008-48 pp.13-18 |
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 |
WBS |
2007-12-18 14:30 |
Tokyo |
|
Studies on Error Performances of MMFSK-EOD Systems Suguru Hasegawa, Shin'ichi Tachikawa, Gen Marubayashi (Nagaoka Univ of Tech.) WBS2007-53 |
[more] |
WBS2007-53 pp.35-39 |
WBS |
2007-10-16 08:40 |
Hiroshima |
|
Bit-Error Rate Characteristics of DFT-Based Continuous-Phase MFSK Ryuji Hayashi, Keiichirou Tsuyuki, Masanori Hamamura (Kochi Univ. of Tech.), Shin'ichi Tachikawa (Nagaoka Univ. of Tech.) WBS2007-39 |
This paper describes DFT-based continuous-phase M-ary frequency shift keying (CP-MFSK) using continuous-phase modulation... [more] |
WBS2007-39 pp.1-6 |
WBS, SIP |
2007-08-06 14:15 |
Kochi |
Green Hall (2nd fl.), Kochi Green-Kaikan |
Comparison of Radiation Power from MMFSK systems and OFDM systems Suguru Hasegawa, Shin'ichi Tachikawa (Nagaoka Univ. of Tech.), Gen Marubayashi (Prof. Emeritus,Nagaoka Univ. of Tech.) SIP2007-67 WBS2007-16 |
To compare the radiation power from OFDM and MMFSK powerline system, error rate performance of MMFSK system which uses E... [more] |
SIP2007-67 WBS2007-16 pp.19-24 |
WBS, SIP |
2007-08-07 13:10 |
Kochi |
Green Hall (2nd fl.), Kochi Green-Kaikan |
Improvement for Auto-Correlation Property of PN Sequence Using DS/SS Code-Diversity Reception Yutaka Ueda, Shin'ichi Tachikawa (Nagaoka Univ of Tech) SIP2007-79 WBS2007-28 |
(To be available after the conference date) [more] |
SIP2007-79 WBS2007-28 pp.43-48 |
IT, ISEC, WBS |
2007-03-15 10:45 |
Gunma |
Gunma Univ. (Kiryu Campus) |
On Adaptive Equalization for Direct Sequence-Ultra Wideband System Keat Beng Toh, Masatoshi Yokota, Shin'ichi Tachikawa (Nagaoka Univ. of Tech.) |
In this paper, a combination of adaptive equalizer and Least Mean Square-RAKE (LMS-RAKE) combining scheme receiver syste... [more] |
IT2006-62 ISEC2006-117 WBS2006-59 pp.13-18 |
IT, ISEC, WBS |
2007-03-16 10:20 |
Gunma |
Gunma Univ. (Kiryu Campus) |
On performances of M-ary/OFDM communication system Hideyuki Murata, Shin'ichi Tachikawa (Nagaoka Univ. of Tech.) |
[more] |
IT2006-85 ISEC2006-140 WBS2006-82 pp.1-6 |
IT, ISEC, WBS |
2007-03-16 11:10 |
Gunma |
Gunma Univ. (Kiryu Campus) |
On Noncoherent FH Pattern Likelihood Ratio Decision Methods Takuma Maeda, Shin'ichi Tachikawa (Nagaoka Univ of Tech) |
In this paper, we show noncoherent iterative likelihood ratio decision (iterative LRD) method and noncoherent lump likel... [more] |
IT2006-87 ISEC2006-142 WBS2006-84 pp.11-16 |
WBS |
2006-10-27 10:20 |
Miyagi |
Akiu Resort Hotel Crescent (Sendai) |
Spectral Efficiency and BER Performances for a MMFSK System Using Even-Odd Discrimination Method Yoshimasa Nojiri (Nagaoka Univ. of Tech.), Gen Marubayashi (Prof.Emeritus, Nagaoka Univ. of Tech.), Shin'ichi Tachikawa (Nagaoka Univ. of Tech.) |
[more] |
WBS2006-32 pp.13-18 |
SIP, WBS |
2006-07-20 15:45 |
Niigata |
Nagaoka Univ. of Tech. |
Characteristics of DS/CDMA Code-Diversity Using Adaptive Weight Control Masayuki Takekawa, Shin'ichi Tachikawa (Nagaoka Univ. of Tech.) |
[more] |
SIP2006-50 WBS2006-14 pp.35-42 |
SIP, WBS |
2006-07-20 16:10 |
Niigata |
Nagaoka Univ. of Tech. |
Improvements of Multi Carrier-Frequency Interleaved Direct Sequence / Code Division Multiple Access (MC-FDS/CDMA) Hiroshi Komori, Shin'ichi Tachikawa (Nagaoka Univ. of Tech) |
[more] |
SIP2006-51 WBS2006-15 pp.43-48 |
WBS |
2005-12-15 11:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
On a Performance of UWB/CDMA Adaptive Array Antenna System in a Multi-Path Fading Environment Naotoshi Itoh, Shin'ichi Tachikawa (Nagaoka Univ.of Tech.) |
In this paper, we show array antenna performances for UWB/CDMA in a multi-path fading environment.
And we propose a sys... [more] |
WBS2005-49 pp.13-18 |
WBS |
2005-12-15 14:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Performances of Multi Carrier-Frequency Interleaved Direct Sequence / Code Division Multiple Access (MC-FDS/CDMA) Hiroshi Komori, Shin'ichi Tachikawa (Nagaoka Univ. of Tech.) |
This paper presents BER performances of MC-DS/CDMA system using a
stepped frequency interleaver (abbreviated as MC-FD... [more] |
WBS2005-53 pp.37-42 |
WBS |
2005-12-15 15:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
On a FH Pattern Likelihood Ratio Decision Method against CW Jamming or Burst Noise Kenji Kobayashi, Shin'ichi Tachikawa (Nagaoka Univ. of Tech.) |
This paper proposes a improvement method of a lump likelihood ratio calculation in detection of frequency hopping patter... [more] |
WBS2005-54 pp.43-48 |