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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2023-06-14 11:10 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
A study on relationship between split control of intelligent reflecting surface and date rate Taishi Endo, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Masashi Iwabuchi, Tomoaki Murakami (NTT)  RCS2023-37 |
IRS has a problem that it cannot reflect all frequencies in the intended direction when the entire device is used to for... [more] | RCS2023-37 pp.54-58 |
| RCS | 2022-10-28 12:10 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
Concept and Issues of New Radio Network Topology for 5G Evolution & 6G Masashi Iwabuchi (NTT), Satoshi Suyama (NTT DOCOMO), Takuto Arai (NTT), Mitsuki Nakamura, Kenta Goto (NTT DOCOMO), Riku Ohmiya, Daisei Uchida (NTT), Takayuki Yamada (NTT DOCOMO), Tomoaki Ogawa (NTT) RCS2022-148 |
[more] | RCS2022-148 pp.101-106 |
| MW | 2022-06-09 15:05 |
Nagano | Naganoken Nokyo Building (Primary: On-site, Secondary: Online) |
[Invited Talk]
Activites on utilizing Reconfigurable Intelligent Surface for wireless channel control Masashi Iwabuchi, Riku Ohmiya, Tomoaki Ogawa, Yasushi Takatori (NTT) MW2022-26 |
In this talk, we will introduce our activities for wireless channel control using recinfgurable intelligent surface(RIS)... [more] | MW2022-26 p.19 |
| RCS, SR, SRW (Joint) |
2022-03-04 14:55 |
Online | Online | AF Relay Station Deployment Method Considering Uniform Coverage and Blocking in MmWave Cellular Systems Takumi Yoneda, Kei Sakaguchi (Tokyo Tech), Masashi Iwabuchi, Tomoki Murakami (NTT) RCS2021-290 |
Millimeter-wave (mmWave) communication, which has been commercialized in the 5th generation mobile communication system ... [more] | RCS2021-290 pp.189-194 |
| RCS, NS (Joint) |
2021-12-16 13:50 |
Nara | Nara-ken Bunka Kaikan and Online (Primary: On-site, Secondary: Online) |
Issues of Sub-Terahertz-Band Radio Access Technologies for 6G Hayato Fukuzono (NTT), Satoshi Suyama (NTT DOCOMO), Doohwan Lee, Daisei Uchida (NTT), Tatsuki Okuyama (NTT DOCOMO), Masashi Iwabuchi, Jun Mashino (NTT), Yoshihisa Kishiyama (NTT DOCOMO) RCS2021-180 |
One of the requirements for the sixth generation mobile communication system (6G) is extreme high data rate and capacity... [more] | RCS2021-180 pp.30-34 |
| RCS, SR, NS, SeMI, RCC (Joint) |
2021-07-15 13:25 |
Online | Online | [Invited Lecture]
Intelligent radio-wave design for communication quality enhancement Tomoki Murakami, Masashi Iwabuchi, Riku Ohmiya, Tomoaki Ogawa (NTT) RCC2021-31 NS2021-47 RCS2021-89 SR2021-29 SeMI2021-23 |
[more] | RCC2021-31 NS2021-47 RCS2021-89 SR2021-29 SeMI2021-23 pp.43-48(RCC), pp.81-86(NS), pp.61-66(RCS), pp.48-53(SR), pp.57-62(SeMI) |
| RCS, SR, SRW (Joint) |
2021-03-05 16:55 |
Online | Online | [Invited Lecture]
Intelligent radio-wave design that controls the propagation path itself Riku Ohmiya, Masashi Iwabuchi, Tomoki Murakami, Tomoaki Ogawa, Yasushi Takatori (NTT) SRW2020-82 |
(To be available after the conference date) [more] | SRW2020-82 pp.104-109 |
| RCS, SR, SRW (Joint) |
2021-03-05 17:20 |
Online | Online | [Invited Lecture]
A Study on mmWave Multi-hop Analog Relay Single-User MIMO Takumi Yoneda, Kei Sakaguchi (Tokyo Tech), Masashi Iwabuchi, Tomoki Murakami (NTT) SRW2020-83 |
Millimeter-wave (mmWave) communication is a key technology to realize ultra-high data-rate and ultra-low latency wireles... [more] | SRW2020-83 pp.110-115 |
| SR, NS, SeMI, RCC, RCS (Joint) |
2020-07-08 13:25 |
Online | Online | Optimization of repeater combinations using integer programming Riku Ohmiya, Tomoki Murakami, Masashi Iwabuchi, Masaaki Nishino, Tomoaki Ogawa, Yasushi Takatori (NTT) RCS2020-63 |
In recent years, a new type repeater called IRS (Intelligent Reflecting Surface) that can reconfigure the propagation pa... [more] | RCS2020-63 pp.31-36 |
| SRW | 2020-06-29 13:25 |
Online | Online | Distributed intelligent reflecting surfaces utilizing direction information in millimeter-wave communications Masashi Iwabuchi, Tomoki Murakami, Riku Ohmiya, Tomoaki Ogawa, Yasushi Takatori (NTT) SRW2020-8 |
This paper proposes a distributed intelligent reflecting surfaces (IRSs) based on direction information instead of chann... [more] | SRW2020-8 pp.23-28 |
| ASN, NS, RCS, SR, RCC (Joint) |
2018-07-13 10:20 |
Hokkaido | Hakodate Arena | Outdoor Experiments of Integrated Access and Backhaul Using 39 GHz Band Masashi Iwabuchi, Jun Tsuboi, Yoshihisa Kishiyama (NTT DOCOMO), Tingjian Tian, Guangmei Ren, Liang Gu, Yang Cui, Terufumi Takada (Huawei) RCS2018-117 |
Research and development for 5G is accelerating toward the start of commercial services in 2020. The first version of 5G... [more] | RCS2018-117 pp.177-182 |
| RCS, SR, SRW (Joint) |
2018-03-02 15:05 |
Kanagawa | YRP | 5G Field Experimental Trial Using 39GHz band in Long Range and Mobility Environments Masashi Iwabuchi, Anass Benjebour, Yoshihisa Kishiyama (NTT DOCOMO), Tingjian Tian, Guangjian Wang, Liang Gu (Huawei Tehcnologies), Teruhumi Takada, Cui Yang (Huawei Technologies Japan) RCS2017-387 |
Research and development for 5G is accelerating toward the start of commercial services in 2020. In the future, it is al... [more] | RCS2017-387 pp.375-380 |
| RCS, SAT (Joint) |
2017-08-18 13:25 |
Niigata | Niigata Univ. | 5G Field Experimental Trial for URLLC Using New Frame Structure Masashi Iwabuchi, Anass Benjebbour, Yoshihisa Kishiyama (NTT DOCOMO), Tingjian Tian, Guangmei Ren, Chen Tang, Liang Gu, Terufumi Takada, Tsuyoshi Kashima (Huawei) RCS2017-165 |
5G and 5G+ will need to support Ultra-Reliability and Low Latency Communications (URLLC) usage scenario to enable missio... [more] | RCS2017-165 pp.117-122 |
| IT, SIP, RCS | 2017-01-19 14:20 |
Osaka | Osaka City Univ. | Field experimental trial on ultra-reliability low latency communications (URLLC) for 5G Masashi Iwabuchi, Anass Benjebbour, Yoshihisa Kishiyama (NTT DOCMO), Guangmei Ren, Tingjian Tian, Liang Gu, Cui Yang, Tsuyoshi Kashima (Huawei) IT2016-59 SIP2016-97 RCS2016-249 |
5G is expected to realize 3 usage scenarios, enhanced Mobile Broadband (eMBB), massive Machine Type Communications (mMTC... [more] | IT2016-59 SIP2016-97 RCS2016-249 pp.75-80 |
| IT, SIP, RCS | 2017-01-19 14:55 |
Osaka | Osaka City Univ. | Field experimental trial on frequency-domain multiplexing of mixed numerology to accommodate diverse applications in 5G Masashi Iwabuchi, Anass Benjebbour, Yoshihisa Kishiyama (NTT DOCOMO), Dan Wu, Tingjian Tian, Liang Gu, Cui Yang, Tsuyoshi Kashima (Huawei) IT2016-68 SIP2016-106 RCS2016-258 |
5G is expected to realize enhanced Mobile Broadband (eMBB), massive Machine Type Communication (mMTC) and Ultra Reliabil... [more] | IT2016-68 SIP2016-106 RCS2016-258 pp.129-134 |
| RCS, RCC, ASN, NS, SR (Joint) |
2016-07-22 14:10 |
Aichi | Proposal of Access Point (AP) location algorithm based on High Density User Areas in Adaptive Movable AP Systems Daisuke Goto, Takuto Arai, Masashi Iwabuchi, Tatsuhiko Iwakuni, Kazuki Maruta (NTT) RCS2016-125 |
We proposed Adaptive Movable Access Point System (AMAP) which controls APs locations for improvement of traffic offload ... [more] | RCS2016-125 pp.159-164 |
|
| RCS | 2016-06-23 14:50 |
Okinawa | Univ. of the Ryukyus | Experimental Evaluation for 26GHz Band under a Crowded Indoor Environment Masashi Iwabuchi, Toshiyuki Shintaku, Mizuki Suga, Takeshi Onizawa, Tetsu Sakata, Masashi Nakatsugawa (NTT) RCS2016-70 |
This report describes the experimental performance of higher-frequency bands which is expected to apply to future wirele... [more] | RCS2016-70 pp.141-146 |
| IN, RCS (Joint) |
2016-05-20 15:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | AMAP: Adaptive Movable Access Point System for Offloading Efficiency Enhancement Takuto Arai, Daisuke Goto, Masashi Iwabuchi, Tatsuhiko Iwakuni, Kazuki Maruta (NTT) RCS2016-43 |
Offloading data traffic is one of the most important solutions for cellular system congestion. Congestion of the cellula... [more] | RCS2016-43 pp.107-112 |
| RCS | 2015-10-01 09:50 |
Kanagawa | YRP (Yokosuka) | Experimental Evaluation of Terminal Performance Ensuring Method on Traffic Consideration based IEEE802.11 Wireless LAN Toshiyuki Shintaku, Masashi Iwabuchi, Mizuki Inoue, Takeshi Onizawa, Tetsu Sakata (NTT) RCS2015-158 |
With the rapid growth of the wireless LAN (WLAN) terminals complying with IEEE802.11 Standard like smartphones, a conges... [more] | RCS2015-158 pp.13-18 |
| MoNA, CQ (Joint) |
2014-09-11 10:15 |
Miyagi | Experimental Evaluation of Frame Collision Reduction Method for IEEE802.11 Wireless LAN System Akira Kishida, Masashi Iwabuchi, Toshiyuki Shintaku, Takeshi Onizawa, Tetsu Sakata (NTT) CQ2014-42 |
The IEEE 802.11 distributed coordinated function (DCF) adopts carrier sense multiple access with collision avoidance (CS... [more] | CQ2014-42 pp.19-24 |
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