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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2016-01-22 14:45 |
Nagasaki | Fukue-bunka-kaikan | Indoor Field Experiment based on IEEE 802.11af System in Singapore TV White-space Takeshi Matsumura, Hoang Vinh Dien, Homare Murakami, Kentaro Ishizu, Fumihide Kojima (NICT)  SR2015-88 |
Mobile data traffic is continuously increasing at a pace of about 1.7 times per year and estimated to reach a thousand t... [more] | SR2015-88 pp.109-114 |
| AP | 2016-01-14 15:35 |
Tokyo | Takushoku University, Hachiouji Campus | [Invited Lecture]
Water vapor estimation using the propagation delay of digital terrestrial broadcasting waves
-- Results using reflected waves -- Seiji Kawamura, Hiroki Ohta, Hiroshi Hanado, Masayuki Yamamoto, Nobuyasu Shiga, Kohta Kido, Satoshi Yasuda, Tadahiro Gotoh, Ryuichi Ichikawa, Jun Amagai, Kuniyasu Imamura, Miho Fujieda, Kentaro Ishizu, Hironori Iwai, Shigeo Sugitani (NICT) AP2015-176 |
A water vapor measurement system using digital terrestrial broadcasting wave is under investigation. A real-time delay m... [more] | AP2015-176 pp.47-52 |
| SRW | 2015-10-28 14:40 |
Tokyo | Kikai-Sinko-Kaikan Bldg. (Tokyo) | A Comparative Analysis of Measured Electric Field Strength of DTV and its Predictions Hirokazu Sawada, Tomoshige Kan, Gabriel Porto Villardi, Kentaro Ishizu, Fumihide Kojima (NICT) SRW2015-53 |
[more] | SRW2015-53 pp.13-18 |
| SR, SRW (Joint) |
2015-10-27 09:30 |
Tokyo | KKE | [Technology Exhibit]
TV White-space Vehicle Communication System in Singapore based on LTE Technology Takeshi Matsumura, Kazuo Ibuka, Vihn Dien Hoang, Homare Murakami, Kentaro Ishizu, Fumihide Kojima (NICT) SR2015-56 SRW2015-37 |
The authors have developed vehicle communication system utilizing the TV white-spaces (TVWS) in Singapore by using the p... [more] | SR2015-56 SRW2015-37 pp.37-40 |
| SR, SRW (Joint) |
2015-10-27 09:30 |
Tokyo | KKE | [Technology Exhibit]
Development of Advanced Database for TV White Space Interference Management Hirokazu Sawada, Kentaro Ishizu, Fumihide Kojima (NICT) SR2015-66 SRW2015-47 |
[more] | SR2015-66 SRW2015-47 pp.67-68 |
| RCS | 2015-10-02 16:50 |
Kanagawa | YRP (Yokosuka) | [Invited Lecture]
An Approach of R&D to Realize the Fifth Generation Mobile System at NICT Kentaro Ishizu, Homare Murakami, Takeshi Matsumura, Fumihide Kojima (NICT) RCS2015-189 |
The fifth generation mobile communications system (5G system) has significant requirements compared with the performance... [more] | RCS2015-189 pp.167-172 |
| SRW | 2015-08-24 09:50 |
Tokyo | Shibaura Institute of Technology | Wide Band Delay Profile Measurement in UHF band Hirokazu Sawada, Tomoshige Kan, Kentaro Ishizu, Fumihide Kojima, Hiroshi Harada (NICT) SRW2015-13 |
[more] | SRW2015-13 pp.11-16 |
| SRW | 2015-06-15 14:15 |
Kanagawa | Fujitsu | Development of path loss and throughput estimation models using IEEE 802.11af Prototypes Hirokazu Sawada, Keiichi Mizutani, Kentaro Ishizu, Takeshi Matsumura, Ha-Nguyen Tran, Homare Murakami, Fumihide Kojima (NICT), Hiroshi Harada (Kyoto Univ.) SRW2015-4 |
[more] | SRW2015-4 pp.19-25 |
| SR | 2015-05-28 13:50 |
Hyogo | Akashi-Sangyou-Koryu-Center | Prototype of IEEE 802.11af-based High Power Communication Devices and Field Experiment in London Takeshi Matsumura, Kentaro Ishizu (NICT), Keiichi Mizutani (Kyoto Univ.), Homare Murakami, Fumihide Kojima (NICT), Hiroshi Harada (Kyoto Univ.) SR2015-3 |
TV white-space (TVWS) communication systems have been globally researched and developed due to its wide frequency range ... [more] | SR2015-3 pp.13-18 |
| RCS, SR, SRW (Joint) |
2015-03-05 10:50 |
Tokyo | Tokyo Institute of Technology | A study of scheduling scheme on whitespace LTE Homare Murakami (NICT/Univ. of Tokyo), Kentaro Ishizu, Kazuo Ibuka, Takeshi Matsumura, Fumihide Kojima, Hiroyuki Yano (NICT), Mikio Hasegawa (Tokyo Univ. of Science/NICT), Hiroshi Harada (Kyoto Univ./NICT), Hiroyuki Morikawa (Univ. of Tokyo) RCS2014-341 |
We have studied an optimization scheme of the parameters, e.g. duplex mode and TDD up-link and down-link ratio, to implr... [more] | RCS2014-341 pp.237-242 |
| SR | 2015-01-30 11:30 |
Hokkaido | KKR Hakodate | A Study on Multiple Frequency Bands Utilization for Fifth Generation Mobile Communication Systems Kentaro Ishizu, Homare Murakami, Fumihide Kojima, Hiroyuki Yano (NICT) SR2014-107 |
[more] | SR2014-107 pp.81-88 |
| AP, RCS (Joint) |
2014-11-12 16:25 |
Yamagata | Yamagata University, Yonezawa Campus | Resource Allocation and Cell Association Algorithms for Inter-Operator Spectrum and Infrastructure Sharing in Heterogeneous Network Kei Inage, Keiichi Mizutani, Homare Murakami, Kentaro Ishizu, Fumihide Kojima (NICT) RCS2014-206 |
In 5th generation mobile communication systems, shot range communication through higher frequency band is key technology... [more] | RCS2014-206 pp.55-60 |
| AP, RCS (Joint) |
2014-11-13 09:50 |
Yamagata | Yamagata University, Yonezawa Campus | White-space LTE System in UK Digital Terrestrial TV Band (2)
-- Specification and Evaluation of White-space Devices for Interference Avoidance -- Takeshi Matsumura, Kazuo Ibuka, Kentaro Ishizu, Homare Murakami, Fumihide Kojima (NICT), Hiroshi Harada (Kyoto Univ.) RCS2014-209 |
For further efficient use of spectrum resource, possibilities of white-spaces communication technology have been discuss... [more] | RCS2014-209 pp.73-78 |
| SRW | 2014-10-27 11:10 |
Chiba | Chiba University | Wide area electric field strength measurement of DTV broadcasting for TV white space area estimation Hirokazu Sawada, Tomoshige Kan, Gabriel Villardi, Kentaro Ishizu (NICT) SRW2014-26 |
[more] | SRW2014-26 pp.7-12 |
| RCS | 2014-10-17 13:30 |
Kanagawa | Keio Univ. | [Invited Lecture]
R&D of White Space LTE System Homare Murakami (NICT/Univ. of Tokyo), Kentaro Ishizu, Kazuo Ibuka, Takeshi Matsumura (NICT), Hiroshi Harada (Kyoto Univ./NICT) RCS2014-185 |
[more] | RCS2014-185 pp.163-167 |
| SRW | 2014-08-18 13:00 |
Kanagawa | NICT(YRP) | Building Penetration Loss Measurements for TVWS Systems Hirokazu Sawada, Tomoshige Kan, Keiichi Mizutani, Kentaro Ishizu, Homare Murakami, Hiroshi Harada (NICT) SRW2014-17 |
For the coexistence management between primary and secondary users in TV white space, a simple propagation model for sho... [more] | SRW2014-17 pp.7-12 |
| RCC, ASN, NS, RCS, SR (Joint) |
2014-07-30 17:00 |
Kyoto | Kyoto Terrsa | Development and evaluation of a TVWS database for the UK Ofcom TVWS trial Ha Nguyen Tran, Kentaro Ishizu (NICT), Hiroshi Harada (NICT/Kyoto Univ.) SR2014-23 |
[more] | SR2014-23 pp.21-26 |
| RCS | 2014-06-18 15:00 |
Okinawa | Okinawa-ken Seinenkaikan (Naha) | Development of Smart Phone for TVWS LTE Communication System Takeshi Matsumura, Kazuo Ibuka, Kentaro Ishizu, Homare Murakami, Hiroshi Harada (NICT) RCS2014-75 |
Recently, a communication technology utilizing white-spaces has been expected as one of solutions for a frequency resour... [more] | RCS2014-75 pp.251-256 |
| RCS, SR, SRW (Joint) |
2014-03-03 14:00 |
Tokyo | Waseda Univ. | [Invited Lecture]
Research and Development of IEEE 802.11af System Implementation Keiichi Mizutani, Takeshi Matsumura, Kentaro Ishizu, Zhou Lan, Homare Murakami, Hiroshi Harada (NICT) SR2013-98 |
Demand for wireless communication has increased significantly, on the other hand, the frequency band available for wirel... [more] | SR2013-98 pp.15-22 |
| RCS, SR, SRW (Joint) |
2014-03-04 09:40 |
Tokyo | Waseda Univ. | Field Experiment of Long-distance Broadband Communications in TV White Space Kentaro Ishizu (NICT), Keigo Hasegawa (Hitachi Kokusai Electric), Keiichi Mizutani, Hirokazu Sawada (NICT), Kei Yanagisawa, Keat-Beng Toh, Masayuki Takekawa, Seishi Sasaki, Masahiro Asano (Hitachi Kokusai Electric), Homare Murakami, Hiroshi Harada (NICT) SR2013-105 |
[more] | SR2013-105 pp.61-68 |
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