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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SIP, IT, RCS | 2024-01-18 15:20 |
Miyagi | (Primary: On-site, Secondary: Online) |
Performance Analysis of Multi-User Asynchronous Transmission for OFDM Modulation Tomoya Machiyama, Hideki Yagi (UEC)  IT2023-50 SIP2023-83 RCS2023-225 |
Packet collisions in uplink communications are the main cause of capacity limitation in communication channels. Since 5G... [more] | IT2023-50 SIP2023-83 RCS2023-225 pp.105-108 |
| SRW, MICT, WBS | 2023-07-21 14:15 |
Niigata | Niigata Univ. TOKIMATE (Primary: On-site, Secondary: Online) |
Angle Diversity for Transmitter and Receive Arrays of Optical Multi-User Multi-Input Multi-Output System Xuejuan Zhu, Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama (Nagoya Univ.) WBS2023-26 SRW2023-24 MICT2023-23 |
This work considers the up-link of an indoor optical wireless communication system consisting of multiple transmitters a... [more] | WBS2023-26 SRW2023-24 MICT2023-23 pp.67-71 |
| RCS, SIP, IT | 2022-01-20 14:05 |
Online | Online | A Study on Multi-Rate Transmission Scheme Using Two-Layered Spreading Codes for Synchronous Optical CDMA Kyohei Ono (JEED), Hirokazu Tanaka (Hiroshima City Univ.), Tomoko K. Matsushima (YCC), Shoichiro Yamasaki (Hiroshima City Univ.) IT2021-50 SIP2021-58 RCS2021-218 |
Generalized modified prime sequence codes (GMPSCs) have been proposed as spreading codes for synchronous optical code di... [more] | IT2021-50 SIP2021-58 RCS2021-218 pp.119-124 |
| IT, EMM | 2020-05-29 10:55 |
Online | Online | Notes on Optical CDMA Systems Using Bi-orthogonal Codes and EWO Signaling Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2020-8 EMM2020-8 |
In this paper, two new schemes are proposed for synchronous optical code-division multiple access (CDMA) systems which s... [more] | IT2020-8 EMM2020-8 pp.43-48 |
| IT, EMM | 2020-05-29 11:20 |
Online | Online | A Study on Code Construction Method for Optical CDMA with Variable Spreading Factor Shoichiro Yamasaki, Tomoko K. Matsushima, Kyohei Ono (Polytechnic Univ.) IT2020-9 EMM2020-9 |
This study proposes variable spreading factor codes for optical synchronous code division multiple access (CDMA) which... [more] |
IT2020-9 EMM2020-9 pp.49-54 |
| AP, RCS (Joint) |
2019-11-20 11:20 |
Saga | Saga Univ. | [Encouragement Talk]
Low-Complexity User Selection Algorithm for High SHF-Band Multiuser Massive MIMO Using Hybrid Beamforming Nobuhide Nonaka, Kazushi Muraoka, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2019-205 |
The 5th Generation (5G) radio access network will introduce Massive MIMO technology at higher frequency bands with wider... [more] | RCS2019-205 pp.13-18 |
| CS | 2019-11-01 09:20 |
Kagoshima | Kirishima-Hotel | Mobile Terminal Collaborated MIMO Communications Exploiting Higher-Frequency Bands Hidekazu Murata (Kyoto Univ.) CS2019-66 |
Mobile terminal collaborated multiple-input multiple-output (MIMO) reception is a form of distributed MIMO transmission,... [more] | CS2019-66 pp.21-26 |
| RCS, SAT (Joint) |
2019-08-23 11:20 |
Aichi | Nagoya University | A Study on Theoretical System Capacity of Multi-user MIMO-OFDM THP in the Presence of Terminal Mobility Ryota Mizutani, Yukiko Shimbo, Hirofumi Suganuma (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera (Sharp), Fumiaki Maehara (Waseda Univ.) RCS2019-165 |
This report investigates the theoretical system capacity of multi-user multiple-input multiple-output orthogonal frequen... [more] | RCS2019-165 pp.103-107 |
| WPT, AP (Joint) |
2019-01-18 10:10 |
Aichi | Toyota Automobile Museum | Performance Analysis and Improvement of Block MSN Algorithm in Multi-user MIMO System Nobuyoshi Kikuma, Kousuke Yonezu, Kunio Sakakibara (Nagoya Inst. of Tech.) AP2018-158 |
As a method of implementing MU-MIMO (Multi-User Multiple Input and Multiple Output) downlink, Block Diagonalization (BD)... [more] | AP2018-158 pp.39-44 |
| SRW | 2019-01-15 14:50 |
Kanagawa | Mitsubishi Electric (Oofuna) | [Invited Talk]
IEEE 802.11ax Next-Generation Wireless LAN Standard and Development of Wireless LSI Compliant with Draft Specifications Toshihisa Nabetani (Toshiba) SRW2018-53 |
With the advent of high throughput wireless LAN (WLAN) devices compliant with the IEEE 802.11ac standard, WLAN has becom... [more] | SRW2018-53 pp.43-48 |
| RCS, AP (Joint) |
2018-11-22 15:30 |
Okinawa | Okinawa Industry Support Center | Low Complexity User Selection Algorithm for High SHF Band Multi-User Massive MIMO Using Hybrid Beamforming Nobuhide Nonaka, Kazushi Muraoka, Satosi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2018-214 |
The 5th Generation (5G) radio access network will introduce Massive MIMO technology at higher frequency bands with wider... [more] | RCS2018-214 pp.205-210 |
| RCS | 2018-10-19 13:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Lecture]
Experimental Activities for 5G Ultra High-Density Distributed Antenna Systems using Real-time Transmission System Takashi Seyama, Teppei Oyama, Takashi Dateki, Hiroyuki Seki, Morihiko Minowa (FUJITSU) RCS2018-171 |
Mobile data traffic is rapidly increasing along with the popularization of smartphone. In order to accommodate the mobil... [more] | RCS2018-171 p.113 |
| RCS, SR, SRW (Joint) |
2017-03-02 09:50 |
Tokyo | Tokyo Institute of Technology | User Selection Algorithm for High SHF Wideband Multi-User Massive MIMO Using Hybrid Beamforming Hiroyuki Miyazaki, Satoshi Suyama, Tatsuki Okuyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2016-308 |
The 5th generation (5G) radio access network will introduce the use of higher frequency bands with wider bandwidth and M... [more] | RCS2016-308 pp.115-120 |
| RCS, AP (Joint) |
2016-11-24 16:10 |
Kyoto | Kyoto International Community House | [Invited Talk]
User Terminal Collaborated MIMO Communications Exploiting Higher-Frequency Bands Hidekazu Murata (Kyoto Univ.) RCS2016-200 |
User terminal collaboration can increase the effective number of available antennas of user terminals. Multi-user multi... [more] |
RCS2016-200 pp.53-58 |
| ASN | 2016-11-17 09:30 |
Aichi | Nagoya University | Collaborative MIMO Communication System Exploiting Higher-Frequency Bands Hidekazu Murata (Kyoto Univ.), Daisuke Umehara (Kyoto Tech.), Satoshi Denno (Okayama Univ.) ASN2016-45 |
Multi-user multiple-input multiple-output (MU-MIMO) systems with precoding have been studied intensively. However, those... [more] | ASN2016-45 pp.1-5 |
| SR | 2016-10-27 15:00 |
Osaka | Osaka Univ. Nakanoshima Center | [Technology Exhibit]
Collaborative MIMO Receiver Exploiting Higher-Frequency Bands Hidekazu Murata (Kyoto Univ.), Daisuke Umehara (Kyoto Tech.), Satoshi Denno (Okayama Univ.) SR2016-62 |
Multi-user multiple-input multiple-output (MU-MIMO) systems with precoding have been studied intensively. However, those... [more] | SR2016-62 pp.33-37 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-03 09:25 |
Tokyo | Tokyo Institute of Technology | Study of Coordinated Radio Resource Scheduling Algorithm for 5G Ultra High-Density Distributed Antenna Systems
-- Performance Evaluation of Joint Transmission Multi-User MIMO -- Takashi Seyama, Daisuke Jitsukawa, Takaharu Kobayashi, Teppei Oyama, Takashi Dateki, Hiroyuki Seki, Morihiko Minowa (FUJITSU), Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2015-363 |
In fifth generation mobile communication systems, enhancement of spectral efficiency per unit area by increasing the den... [more] | RCS2015-363 pp.181-186 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-03 11:40 |
Tokyo | Tokyo Institute of Technology | Collaborative Interference Cancellation Exploiting Higher-Frequency Bands Hidekazu Murata (Kyoto Univ.), Daisuke Umehara (Kyoto Tech.), Satoshi Denno (Okayama Univ.) RCS2015-368 |
Multi-user multiple-input multiple-output (MU-MIMO) systems with precoding have been studied intensively. However, those... [more] | RCS2015-368 pp.211-214 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-04 10:15 |
Tokyo | Tokyo Institute of Technology | Performance Evaluation of Iterative Frequency Domain Equalization with LDPC Code for User Collaborated Reception Shotaro Minami, Hiroki Nagano, Hidekazu Murata (Kyoto Univ.) RCS2015-383 |
Collaborative interference cancellation,(CIC),has been proposal method recently, which is for the multi user MIMO system... [more] | RCS2015-383 pp.291-296 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-04 14:30 |
Tokyo | Tokyo Institute of Technology | Channel Prediction Using 2-Step Compressed Sensing in a Time-Varying Multi-User MIMO Environment Shunsuke Uehashi, Yasutaka Ogawa, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ.) RCS2015-394 |
In multi-user MIMO systems, a base station needs downlink channel state information to each user to suppress interferenc... [more] | RCS2015-394 pp.357-362 |
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