Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
CS, CQ (Joint) |
2023-05-19 14:55 |
Kagawa |
Rexxam Hall (Kagawa Kenmin Hall) (Primary: On-site, Secondary: Online) |
[Special Invited Talk]
Recent research and development of wireless techniques for realizing 6G/IOWN concept Takeshi Onizawa, Naoki Kita, Toshifumi Miyagi, Fumihiro Yamashita (NTT) CS2023-14 |
In this report, we describe recent research and development of wireless techniques for realizing 6G/IOWN concepts. We co... [more] |
CS2023-14 pp.34-40 |
CQ, CS (Joint) |
2022-05-13 13:50 |
Fukui |
Fukui (Fuku Pref.) (Primary: On-site, Secondary: Online) |
[Special Invited Talk]
Analog-RoF and Distributed MIMO Techniques in Higher Frequency Bands for 6G/IOWN Takeshi Onizawa, Naoki Kita, Yushi Shirato, Daisei Uchida, Hideki Toshinaga (NTT) CQ2022-15 |
In this report, we describe analog-radio over fiber (A-RoF) and distributed multiple-input multiple-output (MIMO) techni... [more] |
CQ2022-15 pp.80-85 |
NS, RCS (Joint) |
2020-12-18 13:25 |
Online |
Online |
[Invited Lecture]
Distributed Antenna Systemes using High-Frequency-Band targeting 6G Wireless Networks Daisei Uchida, Tatsuhiko Iwakuni, Naoki Kita, Takeshi Onizawa (NTT), Yoshihisa Kishiyama, Satoshi Suyama, Satoshi Nagata, Takahiro Asai (docomo) NS2020-101 RCS2020-148 |
High-Speed and broadband network transformation is needed for multi-points collecting sensing data and distributing movi... [more] |
NS2020-101 RCS2020-148 pp.73-78 |
RCS, IN, NV (Joint) |
2019-05-17 12:30 |
Kanagawa |
Keio University |
[Invited Lecture]
Recent Research and Developments focusing on Fixed Wireless and Satellite Communication Systems Takeshi Onizawa, Tsutomu Tatsuda, Naoki Kita, Fumihiro Yamashhita (NTT) IN2019-9 RCS2019-32 |
In this report, we describe recent research and developments focusing on fixed wireless and satellite communication syst... [more] |
IN2019-9 RCS2019-32 pp.31-36(IN), pp.53-58(RCS) |
RCS, SR, SRW (Joint) |
2019-03-08 10:55 |
Kanagawa |
YRP |
5G R&D Activities for High Data Rate and Low-Power-Consumption Radio Access Technologies with Higher-Frequency-Band and Wider-Bandwidth Massive MIMO Yukihiko Okumura, Satoshi Suyama (NTT DOCOMO), Naoto Ishii, Yasushi Maruta (NEC), Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric), Jun Terada, Takeshi Onizawa (NTT) RCS2018-324 |
[more] |
RCS2018-324 pp.213-218 |
AP, SAT, SANE (Joint) |
2016-07-22 09:30 |
Hokkaido |
Otaru port marina |
Path Loss Characteristics between Different Floors in Indoor Office from 0.8 GHz to 37 GHz Bands Motoharu Sasaki, Minoru Inomata, Naoki Kita, Takeshi Onizawa (NTT), Koshiro Kitao, Tetsuro Imai (NTT DOCOMO) AP2016-55 SAT2016-21 |
This paper presents a frequency dependency of path loss between different floors on the basis of a measurement result us... [more] |
AP2016-55 SAT2016-21 pp.103-107(AP), pp.57-61(SAT) |
AP, SAT, SANE (Joint) |
2016-07-22 15:25 |
Hokkaido |
Otaru port marina |
Path loss estimation in acrowded urban area using diffraction theory of knife-edge Mitsuki Nakamura, Motoharu Sasaki, Minoru Inomata, Takeshi Onizawa (NTT) AP2016-64 |
[more] |
AP2016-64 pp.149-153 |
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 |
EST |
2016-05-20 16:15 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Effect of Passengers' Absorption onto Multi-path Suppression for Wireless LAN Propagation Analysis in High-Speed Train Cars based on FDTD Method Masami Shirafune, Takashi Hikage, Manabu Yamamoto, Toshio Nojima (Hokkaido Univ.), Minoru Inomata, Motoharu Sasaki, Wataru Yamada, Takeshi Onizawa (NTT) EST2016-6 |
[more] |
EST2016-6 pp.27-31 |
AP, RCS, WPT, SAT (Joint) |
2015-11-04 14:05 |
Okinawa |
Okinawa Prefectural Museum & Art Museum |
[Invited Lecture]
Outdoor-to-Indoor Path Loss Characteristics for 8GHzto 37GHzBand Minoru Inomata, Wataru Yamada, Motoharu Sasaki, Takeshi Onizawa (NTT) AP2015-115 RCS2015-200 |
The path loss characteristics for high frequency above the 6GHz are analyzed on the basis of measurement results obtaine... [more] |
AP2015-115 RCS2015-200 pp.29-34(AP), pp.61-66(RCS) |
AP, RCS, WPT, SAT (Joint) |
2015-11-06 13:10 |
Okinawa |
Okinawa Prefectural Museum & Art Museum |
[Invited Lecture]
Path Loss Characteristics from 0.8 GHz to 37 GHz Bands on Sigle Floor in Indoor Office Motoharu Sasaki, Minoru Inomata, Wataru Yamada, Takeshi Onizawa (NTT) AP2015-148 RCS2015-237 |
[more] |
AP2015-148 RCS2015-237 pp.219-224(AP), pp.281-286(RCS) |
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 |
MW, AP (Joint) |
2015-09-18 10:55 |
Tochigi |
Oyama National College of Tech. |
[Invited Lecture]
Path Loss Characteristics from 0.8 GHz and 37 GHz Bands in Indoor Office Environment Motoharu Sasaki, Minoru Inomata, Wataru Yamada, Takeshi Onizawa, Masashi Nakatsugawa (NTT) AP2015-88 MW2015-94 |
[more] |
AP2015-88 MW2015-94 pp.49-54(AP), pp.35-40(MW) |
AP |
2015-06-11 15:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Fast Fading Characteristics for Microwave to Millimeter-wave Band in Street Microcell Environments Minoru Inomata, Wataru Yamada, Motoharu Sasaki, Takeshi Onizawa (NTT), Koshiro Kitao, Tetsuro Imai (NTT DOCOMO) AP2015-38 |
The fast fading characteristics for microwave to millimeter wave band in street microcell environments are analyzed base... [more] |
AP2015-38 pp.35-40 |
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 |
RCS |
2014-04-18 10:30 |
Aichi |
Nagoya Institute of Technology |
Experimental Evaluation of a Clustering Method based on Difference in IEEE802.11 Wireless LAN Standard Toshiyuki Shintaku, Akira Kishida, Masashi Iwabuchi, Takeshi Onizawa, Tetsu Sakata (NTT) RCS2014-10 |
With the rapid growth of the wireless LAN (WLAN) terminals complying with IEEE802.11 standard like smartphones, a conges... [more] |
RCS2014-10 pp.49-54 |
CQ, MVE, IE, IMQ, CEA (Joint) [detail] |
2014-03-07 16:50 |
Oita |
Beppu International Convention Center |
Adaptive Frame Collision Reduction Method using Post-IFS for IEEE802.11 Wireless LAN System Akira Kishida, Masashi Iwabuchi, Toshiyuki Shintaku, Takeshi Onizawa, Tetsu Sakata (NTT) CQ2013-107 |
The IEEE 802.11 distributed coordinated function (DCF) adopts carrier sense multiple access with collision avoidance (CS... [more] |
CQ2013-107 pp.107-112 |
RCS, SIP |
2014-01-23 09:45 |
Fukuoka |
Kyushu Univ. |
A Study on Interference-aware Dynamic Channel Selection in Multi-Channel Transmission Masashi Iwabuchi, Akira Kishida, Toshiyuki Shintaku, Takeshi Onizawa, Tetsu Sakata (NTT) SIP2013-87 RCS2013-257 |
The simultaneous transmission based on multi-channel transmission is considered in this report. System performance is im... [more] |
SIP2013-87 RCS2013-257 pp.13-18 |
ASN |
2013-11-29 09:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Evaluation of Frame Collision Reduction Method using Post-IFS for IEEE802.11 Wireless LAN Akira Kishida, Masashi Iwabuchi, Toshiyuki Shintaku, Tetsu Sakata, Takeshi Onizawa (NTT) ASN2013-105 |
Many mobile devices such as smartphones, mobile routers, and laptop PCs which equip wireless local area network (WLAN) i... [more] |
ASN2013-105 pp.79-84 |