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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 24  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS 2022-10-28
13:50
Ehime Ehime University, and online
(Primary: On-site, Secondary: Online)
[Invited Lecture] Novel wireless communication system realyzed 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.)
 [more]
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.)
(To be available after the conference date) [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
SRW 2014-10-27
11:35
Chiba Chiba University Enhanced Channel Estimation Based on Interference Variance for AF Relay C-HTRCI-MIMO/OFDM
Yuta Ida (Yamaguchi Univ.), Chang-Jun Ahn (Chiba Univ.), Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) SRW2014-27
To achieve high quality communications, amplify-and-forward (AF) relay multiple-input multiple-output (MIMO) orthogonal ... [more] SRW2014-27
pp.13-18
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
RCS, AP
(Joint)
2013-11-21
10:25
Shimane Matsue Terrsa Non-linear Fast Fading Compensation for HTRCI-MIMO/OFDM with QRM-MLD and Channel Ranking
Yuta Ida (Yamaguchi Univ.), Masanori Yofune (Hiroshima City Univ.), Chang-Jun Ahn (Chiba Univ.), Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) RCS2013-186
In multiple-input multiple-output orthogonal frequency division multiplexing (MIMO/OFDM) systems, large complexity is co... [more] RCS2013-186
pp.73-77
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