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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 17 of 17  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
SR 2016-10-27
15:00
Osaka Osaka Univ. Nakanoshima Center [Technology Exhibit] An Experimental Study of the Orbital Angular Momentum (OAM) Multiplexing
Doohwan Lee, Hirofumi Sasaki, Hiroyuki Fukumoto, Ken Hiraga, Tadao Nakagawa, Hiroyuki Shiba (NTT) SR2016-56
Recently, wireless communication using Orbital Angular Momentum (OAM) has drawn much attention as an
emerging candidate... [more]
SR2016-56
pp.7-8
SRW 2016-06-13
15:00
Kanagawa NICT Wireless Network Research Institute (NICT) Performance Evaluation of an Overhead-Reduced Channel Estimation Sequences for mmWave Short-Range MIMO
Doohwan Lee, Ken Hiraga, Kazumitsu Sakamoto, Tadao Nakagawa (NTT) SRW2016-30
A promising solution to the need for higher rates in wireless data transmission is millimeter-wave (mmWave) short-range ... [more] SRW2016-30
pp.27-32
SR, SRW
(Joint)
2016-05-16
14:30
Overseas Hotel Lasaretti, Oulu, Finland [Poster Presentation] A Study of Channel Estimation Sequences Design for Millimeter-Wave Short-Range MIMO Wireless Communication Systems
Doohwan Lee, Ken Hiraga, Kazumitsu Sakamoto, Tadao Nakagawa (NTT) SR2016-6 SRW2016-6
Recently wireless data transmission using millimeter-wave has drawn much attention due to its wider bandwidth. To fully ... [more] SR2016-6 SRW2016-6
pp.21-22
RCS, CCS, SR, SRW
(Joint)
2016-03-02
11:15
Tokyo Tokyo Institute of Technology An Overhead-Reducing Channel Estimation Sequences Design for Millimeter-Wave Short-Range MIMO Wireless Communication Systems
Doohwan Lee, Ken Hiraga, Kazumitsu Sakamoto, Tadao Nakagawa (NTT) SRW2015-75
The number of necessary channel estimation sequences (CES) slots linearly increase as the number of transmission antenna... [more] SRW2015-75
pp.29-34
SRW 2015-06-15
13:00
Kanagawa Fujitsu [Invited Lecture] Research on a Millimeter-Wave Close Proximity High-Speed Data Transfer System
Tadao Nakagawa, Hideki Toshinaga, Toshimitsu Tsubaki, Tomohiro Seki, Ken Hiraga, Kazumitsu Sakamoto, Masafumi Shimizu (NTT) SRW2015-2
 [more] SRW2015-2
pp.7-12
AP 2015-02-20
12:40
Hyogo Chusho-kigyou center at Amagasaki-City [Invited Lecture] Proposal of fast weight generation method for hand jiggling compensation in short-range MIMO transmission
Kazumitsu Sakamoto, Ken Hiraga, Maki Arai, Tomohiro Seki, Toshimitsu Tsubaki, Hideki Toshinaga, Tadao Nakagawa (NTT) AP2014-203
In non-contact high speed data transfer applying short-range multiple-input multiple-output (SR-MIMO) transmission in mi... [more] AP2014-203
pp.89-94
MW 2014-11-20
15:35
Nagasaki Nagasaki Univ. [Invited Lecture] IEEE standardization trend of wireless access
Yasushi Takatori, Ken Hiraga, Toshimitsu Tsubaki, Yasuhiko Inoue, Yusuke Asai, Masafumi Shimizu, Tadao Nakagawa, Masato Mizoguchi (NTT) MW2014-133
 [more] MW2014-133
pp.51-56
SRW 2014-10-27
15:15
Chiba Chiba University A study of ultra-high speed short-range transmission over 60-GHz band
Ken Hiraga, Kazumitsu Sakamoto, Tomohiro Seki, Toshimitsu Tsubaki, Hideki Toshinaga, Tadao Nakagawa (NTT) SRW2014-33
(To be available after the conference date) [more] SRW2014-33
pp.47-52
AP, WPT
(Joint)
2014-10-17
10:10
Hokkaido Hokkaido University, Clark Memorial Student Center Experimental evaluation of broadband transmission performance and antenna displacement tolerance in short-range MIMO simple decoding
Kazumitsu Sakamoto, Ken Hiraga, Maki Arai, Tomohiro Seki, Toshimitsu Tsubaki, Hideki Toshinaga, Tadao Nakagawa (NTT) AP2014-121
We have proposed a simple decoding method for short-range multiple-input multiple-output (SR-MIMO) transmission that can... [more] AP2014-121
pp.73-78
AP, WPT
(Joint)
2014-10-17
14:45
Hokkaido Hokkaido University, Clark Memorial Student Center A study of spatial division transmission utilizing two-ray ground reflection model
Ken Hiraga, Kazumitsu Sakamoto, Maki Arai, Tomohiro Seki, Hideki Toshinaga, Tadao Nakagawa (NTT) AP2014-127
(To be available after the conference date) [more] AP2014-127
pp.105-110
RCS, AP
(Joint)
2013-11-21
11:25
Shimane Matsue Terrsa Study on Alignment Tolerance in Millimeter-Wave MIMO Transmission Using Orthogonal Directivities
Maki Arai, Tomohiro Seki, Ken Hiraga, Kazumitsu Sakamoto, Hideki Toshinaga, Tadao Nakagawa (NTT) AP2013-109
 [more] AP2013-109
pp.55-60
AP 2012-01-20
10:35
Fukuoka Kyushu Inst. of Tech. Simple decoding method for short range MIMO transmission
Ryochi Kataoka, Kentaro Nishimori (Niigata Univ.), Ken Hiraga (NTT), Kentaro Takai (Niigata Univ.), Kazumitsu Sakamoto, Tomohiro Seki (NTT) AP2011-173
 [more] AP2011-173
pp.153-158
AP, SAT
(Joint)
2011-07-14
11:05
Nagano Fac. Eng., Shinshu Univ. Basic study on antenna arrangement by genetic algorithm in short range MIMO transmission
Ryochi Kataoka, Kentaro Nishimori (Niigata Univ.), Ken Hiraga, Tomohiro Seki (NTT), Hideo Makino (Niigata Univ.) AP2011-36
 [more] AP2011-36
pp.51-56
AP 2010-10-14
15:10
Iwate Iwate Univ. A Study of Short-range MIMO Transmission Using Dual Polarized Antenna
Ken Hiraga (NTT), Kentaro Nishimori (Niigata Univ.), Tomohiro Seki, Kenjiro Nishikawa, Ichihiko Toyoda, Kazuhiro Uehara (NTT) AP2010-80
Recently, higher transmission speeds are expected for high definition images and video services. Multiple-input and mult... [more] AP2010-80
pp.37-42
AP 2009-09-03
11:15
Aomori Hachinohe Inst. of Tech. Study on Transmission Method in Short Range MIMO Communication
Kentaro Nishimori, Tomohiro Seki (NTT Corp.), Naoki Honma (Iwate Univ.), Ken Hiraga, Masato Mizoguchi (NTT Corp.) AP2009-83
We proposed a novel communication scheme, which uses short range MIMO transmission. In the short range MIMO transmission... [more] AP2009-83
pp.23-28
AP, SAT
(Joint)
2009-07-08
16:05
Hokkaido Otaru city, Hokkaido High Speed Parallel Data Transmission Technology for Short Range Wireless Relay System
Tomohiro Seki, Kentaro Nishimori, Ken Hiraga, Kenjiro Nishikawa (NTT) AP2009-55
 [more] AP2009-55
pp.65-70
AP, SAT
(Joint)
2009-07-08
16:40
Hokkaido Otaru city, Hokkaido Effectiveness of Ultra High Speed Parallel Transmission in Near Field using Millimeter-wave Frequency
Ken Hiraga, Tomohiro Seki, Kentaro Nishimori, Kenjiro Nishikawa, Kazuhiro Uehara (NTT) AP2009-56
Wider bandwidth, multiple valued modulation, and the spatial multiplex like MIMO, etc. has been put to practical use for... [more] AP2009-56
pp.71-76
 Results 1 - 17 of 17  /   
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