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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| NS, PN, OCS (Joint) |
2024-06-06 14:20 |
Nagasaki | (Primary: On-site, Secondary: Online) |
[Invited Talk]
Enabling Technologies of Spatial Channel Networks Masahiko Jinno (Kagawa University) |
(To be available after the conference date) [more] | |
| SRW, SeMI (Joint) |
2023-11-22 09:30 |
Tokyo | Koganei Campus, Tokyo University of Agriculture and Technology (Primary: On-site, Secondary: Online) |
[Short Paper]
A Study on Port Arrangement of Analog Beamforming Network Using 3-dimensional Luneburg Lens Maki Arai, Mikio Hasegawa (Tokyo Univ. of Science)  SRW2023-34 |
In this report, we propose a method to design an input/output-port arrangement using a directivity correlation matrix fo... [more] | SRW2023-34 p.31 |
| RCS, SAT (Joint) |
2023-08-31 16:20 |
Nagano | Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Comparative study of channel coding methods for performance improvement in next-generation optical satellite data relay system Eiji Okamoto, Yuma Yamashita (NITech), Yohei Satoh, Mitsuhiro Nakadai, Takamasa Itahashi, Shiro Yamakawa (JAXA) SAT2023-42 |
Optical satellite data relay systems which send high-capacity data observed by low-orbit user satellites to geostationar... [more] | SAT2023-42 pp.41-45 |
| CNR | 2023-08-09 14:45 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Construction of Groynes Reconfiguration System for Elucidation of River Channel Change Mechanism Chen Zhang, Yuki Takahashi, Daichi Moteki, Hiroyasu Yasuda, Kiyoshi Hayasaka, Shogo Muramatsu (Niigata Univ.) CNR2023-4 |
In this report, a new actuation method is proposed for improving the prototype of our proposed river cyber-physical syst... [more] | CNR2023-4 pp.18-21 |
| RCS, SIP, IT | 2022-01-20 14:05 |
Online | Online | A Study on Extended DLDC-Aided Joint Signal Processing in Unified Optical and Wireless Channels Yoshikatsu Wakabayashi, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) IT2021-42 SIP2021-50 RCS2021-210 |
One of the solutions for utilizing the high-frequency band is to deploy multiple distributed units (DUs) under a central... [more] | IT2021-42 SIP2021-50 RCS2021-210 pp.81-86 |
| IN, NS (Joint) |
2021-03-05 15:50 |
Online | Online | Optimal Configuration of Communication Protocol by Diverting Backward Links with Uplink 1-Bit Error Tolerance Yuki Ito, Yoshiaki Kitaguchi, Katsunori Yamaoka (Tokyo Tech) IN2020-97 |
The efficient communication protocol of the asymmetric channel which has wider bandwidth of downlink than that of uplink... [more] | IN2020-97 pp.256-261 |
| SAT, RCS (Joint) |
2020-08-21 16:25 |
Online | Online | Multi-level QAM Single Carrier Block Transmission Scheme for Acoustic Communications and Consideration of the Frame Structure Katsuyoshi Yamamoto, Hiroshi Kubo (Ritsumeikan Univ.) RCS2020-91 |
This paper discusses effective frame structure for single carrier block (SCB) transmission in a double selectivity envir... [more] | RCS2020-91 pp.69-74 |
| RCS | 2020-06-25 13:00 |
Online | Online | A Study on DLDC-Aided Joint Signal Processing for Unified Optical and Wireless Channels Yoshikatsu Wakabayashi, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) RCS2020-35 |
One of the solutions for utilizing the high-frequency band is to deploy multiple distributed units (DU) under a central ... [more] | RCS2020-35 pp.73-77 |
| RCS, SR, SRW (Joint) |
2020-03-04 09:25 |
Tokyo | Tokyo Institute of Technology (Cancelled but technical report was issued) |
Millimeter-Wave Radio Channel Sounder using Analog Beamformers Shuaiqin Tang, Keiichiro Kumakura, Hideaki Momose, Minseok Kim (Niigata Univ.) SRW2019-62 |
As various wireless systems using millimeter-wave bands, such as 5G mobile communication and WiGig ultra-high-speed wire... [more] | SRW2019-62 pp.15-20 |
| IT, SIP, RCS | 2020-01-24 16:40 |
Hiroshima | Hiroshima City Youth Center | On Capacity of Massive MIMO in Multiuser Operation [II]
-- In the case of LOS environments -- Yoshio Karasawa IT2019-85 SIP2019-98 RCS2019-315 |
In our previous report, we focused on the channel capability of Massive MIMO and investigated the relationship among var... [more] | IT2019-85 SIP2019-98 RCS2019-315 pp.291-296 |
| AP | 2019-12-12 13:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | On Capacity of Massive MIMO in Multiuser Operation Yoshio Karasawa AP2019-142 |
In our previous report, we focused on the channel capability of Massive MIMO and investigated the relationship with the ... [more] | AP2019-142 pp.1-6 |
| ASN, MoNA, IPSJ-MBL, IPSJ-UBI [detail] | 2019-03-05 15:00 |
Tokyo | The University of Tokyo, Komaba Campus | Optimal Configuration Method for Multi Wi-Fi Interface Mesh Networks Operating in Infrastructure Mode Tomoki Takahashi (Kobe Univ.), Taka Maeno (Space-Time Engineering Japan), Yumi Takaki, Tomio Kamada, Chikara Ohta, Naoyuki Tamura (Kobe Univ.) MoNA2018-76 |
In recent, wireless mesh networks (WMN) are paid much attention since they can be network infrastructure to cover a wide... [more] | MoNA2018-76 pp.183-187 |
| OCS, CS (Joint) |
2017-01-20 09:45 |
Fukuoka | Kyushu Sangyo University | A Study on the Redundant Configuration for Super Multi-channel IP Broadcast Content Delivery Toshihito Fujiwara, Yasunobu Kasahara, Naohiki Yuki, Hidekazu Shimizu, Tomoki Sugawa (NTT) CS2016-72 |
Recently, ultra-high definition video delivery service such as 4K/8K resolution is well underway for the next generation... [more] | CS2016-72 pp.47-51 |
| RCS, AP (Joint) |
2016-11-25 13:25 |
Kyoto | Kyoto International Community House | MU-MIMO Model and the Channel Properties
-- Correlation between Users/Eigenvalues and Channel Capacity -- Yuuki Kanemiyo ((Former)Chiba Tech), Masanao Sasaki, Hiroaki Nakabayashi (Chiba Tech), Shigeru Kozono ((Former)Chiba Tech) AP2016-119 |
In a narrow area where multi-path seems to be the same and plural users are existing, we studied a MU-MIMO model which w... [more] | AP2016-119 pp.71-76 |
| RCS | 2015-06-24 15:45 |
Hokkaido | Hokkaido Univ. | Massive Antenna Periodical Offset Arrangement to Achieve Spatial Correlation Reduction Takuto Arai, Atsushi Ohta, Yushi Shirato, Kazuki Maruta, Tatsuhiko Iwakuni, Masataka Iizuka (NTT) RCS2015-53 |
As key technologies for Massive Antenna Systems for Wireless Entrance (MAS-WE) exploiting line of sight channel characte... [more] | RCS2015-53 pp.43-48 |
| OME | 2015-05-29 16:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg | The Entropy and Probability in Information Theories
-- How Dr. John von Neumann explained in his Illinois Univ. Lectures in Dec. 1949 -- Kimiaki Tokumaru (Natural Philosopher) OME2015-23 |
Dr. von Neumann delivered lectures in December 1949 at Illinois University and in his 3rd lecture, “The Statistical Theo... [more] | OME2015-23 pp.25-30 |
| QIT (2nd) |
2015-05-26 16:40 |
Osaka | Osaka University | The Entropy and Probability in Information Theories
-- How Dr. John von Neumann explained in his Illinois Univ. Lectures in Dec. 1949 -- Kimiaki Tokumaru (Natural Philosopher) |
Dr. von Neumann delivered lectures in December 1949 at Illinois University and in his 3rd lecture, “The Statistical Theo... [more] | |
| AP | 2015-02-19 14:35 |
Hyogo | Chusho-kigyou center at Amagasaki-City | [Invited Lecture]
Dual-Polarized Base Station Antenna Design for a Robust Multi-User MIMO System Ichiro Oshima (DKK), Yoshio Karasawa (UEC) AP2014-195 |
The optimal configuration for a four- element linear array was previously proposed as an antenna array configuration for... [more] | AP2014-195 pp.49-53 |
| RCS | 2014-06-18 16:10 |
Okinawa | Okinawa-ken Seinenkaikan (Naha) | Multi-planar parallelogram array antennas and simplified user scheduling for Massive Antenna Systems for wireless entrance (MAS-WE) Takuto Arai, Atsushi Ohta, Kazuki Maruta, Masataka Iizuka (NTT) RCS2014-78 |
The authors have proposed Massive Antenna Systems for Wireless Entrance (MAS-WE) and effectiveness of the proposed syste... [more] | RCS2014-78 pp.269-274 |
| AP | 2013-08-29 13:00 |
Kanagawa | Yokosuka | Experimental Evaluation of Improving Radio-wave Propagation Environment Using Tunable Passive Repeater Yuta Takahashi, Naoki Honma (Iwate Univ.) AP2013-62 |
A tunable passive repeater comprising multiple patch antennas is placed on the wall of the shielded room to enable wirel... [more] | AP2013-62 pp.1-6 |
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