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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 37  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
MoNA, CQ
(Joint)
2014-09-12
16:55
Miyagi   Experimental Evaluation of Terminal Performance Ensuring Method in Mobile Environment for IEEE802.11 WLAN Standard
Toshiyuki Shintaku, Akira Kishida, Masashi Iwabuchi, Takeshi Onizawa, Tetsu Sakata (NTT) CQ2014-70
With the rapid growth of the wireless LAN (WLAN) terminals complying with IEEE802.11 Standard like smartphones, a conges... [more] CQ2014-70
pp.177-182
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