Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OCS, CS (Joint) |
2024-01-12 13:30 |
Kagoshima |
|
Study on Construction of Two-Dimensional Optical ZCZ Sequences Suitable for PPM-OCDMA Yasuaki Ohira, Takahiro Matsumoto (Kagoshima Univ.), Hideyuki Torii (Kanagawa Inst. of Tech.), Yuta Ida (Yamaguchi Univ.) |
(Advance abstract in Japanese is available) [more] |
|
NS, RCS (Joint) |
2023-12-14 11:25 |
Fukuoka |
Kyushu Institute of Technology Tobata campus, and Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Scheduling of OFDM Subcarrier to Provide Multiuser Diversity Gain Yuta Ida (Yamaguchi Univ.), Yasuaki Ohira (Kagoshima Univ.), Sho Kuroda (FX Systems), Takahiro Matsumoto (Kagoshima Univ.) |
(To be available after the conference date) [more] |
|
CAS, CS |
2023-03-01 16:40 |
Fukuoka |
Kitakyushu International Conference Center (Primary: On-site, Secondary: Online) |
Evaluation on TFI Pilot Signal and CNN Image Identification Based on Channel Model Tomoaki Shibata, Syuji Takahashi, Yuta Ida (Yamaguchi Univ.), Sho Kuroda (FX Systems), Takahiro Matsumoto (Kagoshima Univ.) CAS2022-109 CS2022-86 |
In International Telecommunication Union (ITU), the wireless channel models are standardized. The channel models are con... [more] |
CAS2022-109 CS2022-86 pp.77-82 |
RCS |
2022-10-28 13:50 |
Ehime |
Ehime University, and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Novel wireless communication system realized by mobile terminal collaboration
-- Recent results and application to uplink transmission -- Hidekazu Murata, Yuta Ida (Yamaguchi Univ.), Kazuki Maruta (Tokyo Univ. of Science), Yutaka Jitsumatsu (Tokyo Tech), Osamu Muta (Kyushu Univ.), Hiraku Okada (Nagoya Univ.), Eiji Okamoto (NITech), Yukitoshi Sanada (Keio Univ.), Toshihiko Nishimura (Hakkaido Univ.), Satoshi Denno (Okayama Univ.) RCS2022-149 |
If nearby wireless terminals cooperate using high-frequency bands, a large number of antennas can be used at the termina... [more] |
RCS2022-149 p.107 |
MIKA (3rd) |
2022-10-13 11:10 |
Niigata |
Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Improving CSI Interpolation Accuracy of Iterative IDFT/DFT with HTRCI for OFDM Scattered Pilots Ren Takahashi, Kazuki Maruta (Tokyo Univ. of Science), Yuta Ida (Yamaguchi Univ.) |
Scattered pilot assignment can enhance channel estimation and data transmission efficiency in orthogonal frequency divis... [more] |
|
CAS, CS |
2021-03-02 13:50 |
Online |
Online |
Study on Combination of Phase Rotation and ASK for SD-SM-MIMO Yuta Ida (Yamaguchi Univ.), Kazuki Maruta (Tokyo Tech.), Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) CAS2020-83 CS2020-90 |
For multiple-input multiple-output (MIMO) systems, SD-SM-MIMO which combines the space division multiplexing (SD) and sp... [more] |
CAS2020-83 CS2020-90 pp.65-70 |
RCS |
2020-10-22 09:30 |
Online |
Online |
Shared dataset framework toward applications of machine learning and mathematical optimization for 6G Kazuki Maruta (Tokyo Tech.), Yuta Ida (Yamaguchi Univ.), Yafei Hou (Okayama Univ.), Osamu Muta (Kyushu Univ.), Hiraku Okada (Nagoya Univ.), Toshihiko Nishimura (Hokkaido Univ.), Eiji Okamoto (Nagoya Inst. of Tech.), Yukitoshi Sanada (Keio Univ.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) RCS2020-92 |
In the research of applying machine learning and mathematical optimization to problems in wireless communication systems... [more] |
RCS2020-92 pp.1-6 |
CS, CAS |
2020-02-28 09:50 |
Kumamoto |
|
Study on CR-QRM-MLD for SD-SM-MIMO Applying Null Modulation Yuta Ida, Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.), Kazuki Maruta (Chiba Univ.) CAS2019-115 CS2019-115 |
For the transmission technique for a multiple-input multiple-output (MIMO), the space division (SD) and the spatial modu... [more] |
CAS2019-115 CS2019-115 pp.99-104 |
WBS, SAT (Joint) |
2019-05-15 13:25 |
Aichi |
MEIJO University (Tempaku campus) |
On Polyphase Cpmplementary Sequence Sets Syutaro Takehara, Sho Kuroda, Takahiro Matsumoto, Yuta Ida, Shinya Matsufuji (Yamaguchi Univ.) WBS2019-2 |
[more] |
WBS2019-2 pp.7-11 |
WBS, SAT (Joint) |
2019-05-15 13:50 |
Aichi |
MEIJO University (Tempaku campus) |
On Construction of Optical ZCZ Codes Tomoya Gyobu, Takahiro Matsumoto, Yuta Ida, Shinya Matsufuji (Yamaguchi Univ.) WBS2019-3 |
[more] |
WBS2019-3 pp.13-16 |
CAS, CS |
2019-03-09 10:50 |
Kanagawa |
Shonan Institute of Technology |
Achievement of Channel Estimation Based on Complex TFI and Linear Interpolation for SP-OFDM Yuta Ida, Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) CAS2018-149 CS2018-117 |
In an orthogonal frequency division multiplexing (OFDM), the pilot signal is utilized for the channel estimation (CE).Ho... [more] |
CAS2018-149 CS2018-117 pp.59-64 |
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 |
RCS, SIP, IT |
2019-01-31 13:20 |
Osaka |
Osaka University |
Design of Matched Filter Bank of Polyphase ZCZ Codes Sho Kuroda, Takahiro Matsumoto, Yuta Ida, Shinya Matsufuji (Yamaguchi Univ.) IT2018-47 SIP2018-77 RCS2018-254 |
Sequence sets with zero correlation zones (Zero Correlation Zones), called ZCZ codes, can provide interference cancellat... [more] |
IT2018-47 SIP2018-77 RCS2018-254 pp.71-75 |
CQ (2nd) |
2017-10-17 11:20 |
Fukuoka |
Nishijin Plaza, Kyushu Univ. |
[Poster Presentation]
Evaluation of Iterative Equalization Based on Estimated Variance and Threshold for Asymmetric SM-MIMO Naoya Murokawa, Yuta Ida, Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) |
[more] |
|
CS |
2016-07-08 11:15 |
Okinawa |
Miyakojima Hirara-kou terminal bldg. |
Interleaved MUDiv Block Allocation and Optimum Power Control for SC-FDMA Yuta Ida, Tomohito Sasaki, Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) CS2016-28 |
In a single carrier-frequency division multiple access (SC-FDMA), there are the localized and interleaved subcarrier all... [more] |
CS2016-28 pp.105-109 |
WBS, MICT |
2015-07-21 12:30 |
Nara |
Nara Institute of Science and Technology |
[Poster Presentation]
Study on Construction of bent-type ZCZ Codes Akihiro Kameno, Shinya Matsufuji (Yamaguchi Univ.), Takafumi Hayashi (Univ. of Aize), Sho Kuroda (FX systems), Yuta Ida, Takahiro Matsumoto (Yamaguchi Univ.) WBS2015-18 MICT2015-22 |
This paper discusses a set of sequences with a zero correlation zone that their Fourier transform over $GF(p)$ of corres... [more] |
WBS2015-18 MICT2015-22 pp.31-34 |
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 |
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 |
CAS, CS |
2015-02-27 11:40 |
Tottori |
Tottori University |
Achievement of Packet Splitting and Adaptive Modulation Based on Same Feedback Information for DF Cooperative Communications Yuta Ida, Eichiroh Nishikuma (Yamaguchi Univ.), Chang-Jun Ahn (Chiba Univ.), Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) CAS2014-136 CS2014-108 |
For the technique with several channels as multiple-input multiple-output (MIMO) systems, cooperative communications has... [more] |
CAS2014-136 CS2014-108 pp.91-94 |
WBS, ITS (Joint) |
2014-12-18 12:30 |
Kumamoto |
Kumamoto University |
[Poster Presentation]
Influence of ISI on Optical ZCZ-CDMA Systems With Diffuse Link Masanori Kurashita, Takahiro Matsumoto (Yamaguchi Univ.), Hideyuki Torii (KAIT), Yuta Ida, Shinya Matsufuji (Yamaguchi Univ.) WBS2014-45 |
(To be available after the conference date) [more] |
WBS2014-45 pp.37-41 |