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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 110件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
WIT, SP 2019-10-26
14:10
Kagoshima Daiichi Institute of Technology Detection and tracking of white-cane users from surveillance camera images by using line segment tracking
Kazusa Sanada, Hotaka Takizawa (Univ. of Tsukuba), Mayumi Aoyagi (Aichi Univ. of Edu.), Akihisa Ohya (Univ. of Tsukuba), Makoto Kobayashi (Tsukuba Univ. of Tech.) SP2019-19 WIT2019-18
Accidents caused by visually impaired individuals in public spaces are becoming social problems. In this study, we devel... [more] SP2019-19 WIT2019-18
pp.13-16
MIKA
(2nd)
2019-10-04
10:15
Hokkaido Hokkaido Univ. [Poster Presentation] Performance of Signal Level Estimation in Spectrum Sensing
Wataru Kuwabara, Shigenobu Sasaki (Niigata Univ.)
In this report, performance of signal level estimation method is discussed in spectrum sensing for cognitive radio. Use ... [more]
SITE, IPSJ-EIP 2019-06-03
14:30
Kanagawa Kanto-Gakuin Univ. Policies and Frameworks for Spectrum Sharing in the US and the UK
Tomoko Yamajo (KDDI Research) SITE2019-2
To ensure that sufficient spectrum is available to support the increasing demands of mobile data traffic, governments an... [more] SITE2019-2
pp.21-26
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
AP 2018-08-23
11:05
Saitama Nippon Inst. of Tech. Experimental Analysis: A possibility of estimating TV white space spectrum sensing using altitude information by low-cost SDR devices
Fatou Williams, Youki Kadobayashi (NAIST) AP2018-69
Accurate detection of TV White Space in the VHF and UHF frequency bands is important in realizing the potential of its t... [more] AP2018-69
pp.13-18
WIT 2018-08-09
15:15
Nagano   Preliminary study on detection of white-cane users from surveillance camera images
Kazusa Sanada, Hotaka Takizawa (Univ. of Tsukuba), Mayumi Aoyagi (Aichi Univ. of Edu.) WIT2018-15
Accidents caused by visually impaired individuals in public spaces, such as station platforms, are becoming social probl... [more] WIT2018-15
pp.15-18
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
ISEC, WBS, IT 2017-03-09
11:25
Tokyo TOKAI University [Invited Talk] Recent Advances in Whitebox Cryptgraphy -- Efficient and Robust Constructions and New Attacks --
Takanori Isobe (Sony Global M&O Corp.) IT2016-102 ISEC2016-92 WBS2016-78
Whitebox cryptography is a technique to protect software implementations of cryptographic algorithms
in untrusted envir... [more]
IT2016-102 ISEC2016-92 WBS2016-78
p.23
NS, IN
(Joint)
2017-03-02
11:20
Okinawa OKINAWA ZANPAMISAKI ROYAL HOTEL Effective data channel selection scheme based on database/cooperative sensing collaboration for V2V communication
Yuya Takemoto, Kazuya Tsukaomoto (Kyutech) NS2016-163
Nowadays, Vehicle to Vehicle (V2V) communication are expected to produce comfortable driving. But occupying new resource... [more] NS2016-163
pp.35-40
SP, SIP, EA 2017-03-01
11:15
Okinawa Okinawa Industry Support Center Study on tolerance of time axis fluctuation of pure white pseudonoisesignal1for impulse response measurement
Kentaro Mori, Yutaka Kaneda (Tokyo Denki Univ.) EA2016-86 SIP2016-141 SP2016-81
In impulse response measurement, a time-invariant linear system is assumed. Therefore, measurement errors arise when th... [more] EA2016-86 SIP2016-141 SP2016-81
pp.25-30
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
RCS, RCC, ASN, NS, SR
(Joint)
2016-07-20
15:25
Aichi   Studies on Intersystem Cooperation for Smart Radio
Keigo Hasegawa, Masahiro Asano, Manabu Nakamura (Hitachi Kokusai Electric) SR2016-32
Smart radio is a technology similar to cognitive radio which can efficiently utilize limited radio resource and satisfy ... [more] SR2016-32
pp.23-27
SR, RCC, MICT, RCS, SRW
(Joint)
(2nd)
2016-05-16
- 2016-05-17
Overseas Hotel Lasaretti, Oulu, Finland [Requested Talk] Analysis of sharing economy business antecedents for recent spectrum sharing concepts
Seppo Yrjola (Nokia Innovation Steering)
The exponential growth of wireless services with diversity of devices and applications depending on connectivity has ins... [more]
RCS, CCS, SR, SRW
(Joint)
2016-03-04
14:30
Tokyo Tokyo Institute of Technology [Invited Lecture] Broadband Spectrum Sensing Platform based on Received Waveform Cross-correlation using Distributed Sensors
Doohwan Lee, Takayuki Yamada, Hiroyuki Shiba, Yo Yamaguchi, Takana Kaho, Tadao Nakagawa, Kazuhiro Uehara (NTT) SR2015-117
Rapid increase in mobile traffic due to the spread of smartphones will cause the frequency shortage. Frequency range fro... [more] SR2015-117
p.171
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
EMT, MW, OPE, MWP, EST, IEE-EMT [detail] 2015-07-16
13:00
Hokkaido Kushiro City Lifelong Learning Center A Study of a 400MHz-6GHz High Linearity GaN Low Noise Amplifier
Yo Yamaguchi, Takana Kaho, Munenari Kawashima, Kazuhiro Uehara (NTT) EMT2015-12 MW2015-50 OPE2015-24 EST2015-16 MWP2015-15
It is necessary to know the status of frequency usage for white space usage. Therefore, it is necessary that the low noi... [more] EMT2015-12 MW2015-50 OPE2015-24 EST2015-16 MWP2015-15
pp.23-27
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