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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2019-05-31 10:00 |
Tokyo | Tokyo Big Sight | [Technology Exhibit]
Empirical Throughput Evaluation for IEEE 802.11af Channel Aggregation Takeshi Matsumura, Kazuo Ibuka, Homare Murakami, Kentaro Ishizu, Fumihide Kojima (NICT)  SR2019-15 |
In this study, we empirically evaluate throughput in the IEEE 802.11af CA (Channel Aggregation) mode using the previousl... [more] | SR2019-15 pp.91-95 |
| RCS, SR, SRW (Joint) |
2019-03-06 10:30 |
Kanagawa | YRP | Prototype of IEEE 802.11af Radio Equipment with Channel Aggregation Takeshi Matsumura, Kazuo Ibuka, Homare Murakami, Kentaro Ishizu, Fumihide Kojima (NICT) SR2018-121 |
IEEE 802.11af was standardized in 2013 as a WLAN (Wireless Local Area Network) system operated at TVWS (TV White-spaces)... [more] | SR2018-121 pp.1-8 |
| SR | 2018-10-30 10:30 |
Overseas | Mandarin Hotel, Bangkok, Thailand | [Poster Presentation]
Channel Aggregation Adaptation in VHF/UHF Hoang Vinh Dien, Fumihide Kojima, Kentaro Ishizu, Homare Murakami (NICT) SR2018-65 |
VHF/UHF channels are freeing up in many part of the world. Compared to conventional Wi-Fi frequencies, VHF/UHF can cover... [more] | SR2018-65 pp.15-16 |
| SR | 2018-05-24 12:20 |
Tokyo | Tokyo big sight | A Novel Channel Estimation and Phase Compensation Scheme for IEEE 802.22-based Mobile Communication Systems in TV White-Space Ruiting Ouyang, Takeshi Matsumura, Keiichi Mizutani, Hiroshi Harada (Kyoto Univ.) SR2018-4 |
With the development of the automotive vehicle system, there are strong demands on establishing the future-oriented ITS ... [more] | SR2018-4 pp.21-28 |
| NS, ASN, RCC, RCS, SR (Joint) |
2017-07-19 08:50 |
Hokkaido | Hokkaido Univ. | Channel and CFO Estimation Scheme for TV White-space Wide Area Mobile Communication Systems based on IEEE 802.22 Takeshi Matsumura, Hiroki Ueno, Ruiting Ouyang, Keiichi Mizutani, Hiroshi Harada (Kyoto Univ.) SR2017-24 |
TVWS (TV white-spaces) has been expected to be responsible for wide area communications in heterogeneous vehicular netwo... [more] | SR2017-24 pp.1-8 |
| SR | 2016-10-27 15:00 |
Osaka | Osaka Univ. Nakanoshima Center | [Technology Exhibit]
Prototype of IEEE 802.11af-based Baseband IC
-- Towards Practical Device for TV White-spaces Communication -- Takeshi Matsumura, Kazuo Ibuka, Homare Murakami, Kentaro Ishizu, Hiroshi Harada, Fumihide Kojima (NICT) SR2016-63 |
Since the FCC stated a policy on unlicensed use of the TV white-spaces (TVWS) in November 2008, a number of countries an... [more] | SR2016-63 pp.39-46 |
| 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 |
| 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 | 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 |
| AP, RCS (Joint) |
2014-11-13 09:25 |
Yamagata | Yamagata University, Yonezawa Campus | White-space LTE System in the UK Digital Terrestrial TV Band (1)
-- Development and Field Experiment of WSD Operational Environment cooperated with WSDB -- Kazuo Ibuka, Takeshi Matsumura, Kentaro Ishizu, Homare Murakami, Fumihide Kojima (NICT), Hiroshi Harada (Kyoto Univ.) RCS2014-208 |
Utilization of the TV white-spaces (TVWS), which are spatially or temporally unused frequency in TV bands, is promising ... [more] | RCS2014-208 pp.67-72 |
| 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 |
| 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) |
2014-03-05 09:25 |
Tokyo | Waseda Univ. | Connectivity Evaluation of Prototyped TVWS LTE Terminal Adapter Takeshi Matsumura, Kazuo Ibuka, Kentaro Ishizu, Homare Murakami, Hiroshi Harada (NICT) RCS2013-365 |
Recently, a frequency resource shortage problem has been aggravated due to increase of high-speed and high-capacity comm... [more] | RCS2013-365 pp.359-364 |
| RCS, SIP | 2014-01-23 16:05 |
Fukuoka | Kyushu Univ. | TDD/FDD Dual Mode LTE Communication System for TV White-spaces (1)
-- Development of Base Station and Small-size Terminal with USB Interface -- Takeshi Matsumura, Kazuo Ibuka, Kentaro Ishizu, Homare Murakami, Hiroshi Harada (NICT) SIP2013-99 RCS2013-269 |
Recently, the frequency resource shortage problem has been aggravated in cellular system due to the growth of service or... [more] | SIP2013-99 RCS2013-269 pp.83-88 |
| SR | 2013-01-25 13:40 |
Nagano | Shinshu Univ. | Prototype of Tablet-type TV Band Portable Device with UHF Converter Takeshi Matsumura, Hiroshi Harada (NICT) SR2012-82 |
Recently, WLAN-based communication systems which utilize the TV white-spaces is actively promoted in various countries. ... [more] | SR2012-82 pp.67-72 |
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