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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 45件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
ED, THz [detail] 2019-12-23
15:40
Miyagi   [Invited Talk] Orbital Angular Momentum Multiplexing Technology -- High Capacity Wireless Communication and Device Perspectives --
Doohwan Lee, Hirofumi Sasaki, Yasunori Yagi, Tomoki Semoto, Takayuki Yamada, Jun Mashino, Takashi Shimizu (NTT) ED2019-81
Recently, wireless communication using Orbital Angular Momentum (OAM) has drawn much attention as an emerging candidate ... [more] ED2019-81
p.21
RCS, SAT
(Joint)
2019-08-22
13:30
Aichi Nagoya University [Invited Lecture] Orbital Angular Momentum Multiplexing Technology -- High Capacity Point-to-Point Wireless Communication Perspective --
Doohwan Lee, Hirofumi Sasaki, Yasunori Yagi, Takayuki Yamada, Takashi Shimizu (NTT) SAT2019-25 RCS2019-154
Recently, wireless communication using Orbital Angular Momentum (OAM) has drawn much attention as an emerging candidate ... [more] SAT2019-25 RCS2019-154
p.45
SeMI, RCS, NS, SR, RCC
(Joint)
2019-07-11
10:40
Osaka I-Site Nanba(Osaka) [Poster Presentation] An Experiment of 200 Gbps, 21 Streams Wireless Transmission Using OAM-MIMO Multiplexing with Polarization in 28 GHz Band
Yasunori Yagi, Hirofumi Sasaki, Takayuki Yamada, Doohwan Lee, Takashi Shimizu (NTT) RCC2019-30 NS2019-66 RCS2019-123 SR2019-42 SeMI2019-39
The orbital angular momentum (OAM) multiplexing has been drawing much attention in wireless transmission systems. The OA... [more] RCC2019-30 NS2019-66 RCS2019-123 SR2019-42 SeMI2019-39
pp.99-100(RCC), pp.125-126(NS), pp.121-122(RCS), pp.131-132(SR), pp.113-114(SeMI)
SRW 2019-06-10
09:25
Kanagawa Anritsu Blind compensation for wide-band single carrier systems with various frequency-dependent IQ imbalance
Hideki Mori, Tadao Nakagawa, Naoto Sasaoka (Tottori Univ.), Doohwan Lee (NTT) SRW2019-2
As the frequency bandwidth in wireless communications are wide, impairments of analog circuits of transceivers including... [more] SRW2019-2
pp.7-11
SR 2019-05-31
10:30
Tokyo Tokyo Big Sight [Invited Talk] Toward terabit-class wireless transmission: OAM wireless multiplexing technology
Doohwan Lee, Hirofumi Sasaki, Yasunori Yagi, Takayuki Yamada, Takashi Shimizu (NTT) SR2019-11
 [more] SR2019-11
p.69
RCS, SR, SRW
(Joint)
2019-03-08
11:20
Kanagawa YRP [Invited Lecture] Experimental Investigation of OAM-MIMO multiplexing technique for ultra high capacity wireless transmission
Hirofumi Sasaki, Yasunori Yagi, Yakana Kaho, Takayuki Yamada, Doohwan Lee, Takashi Shimizu (NTT) SR2018-140
Recently, communication systems using beams that carry orbital angular momentum (OAM) have gathered much attention for u... [more] SR2018-140
pp.111-116
SRW 2019-01-15
13:25
Kanagawa Mitsubishi Electric (Oofuna) Blind frequency-dependent IQ imbalance compensation for single carrier systems
Hideki Mori, Tadao Nakagawa, Naoto Sasaoka (Tottori Univ.), Doohwan Lee, Takana Kaho (NTT) SRW2018-50
As the frequency bandwidth in wireless communications is wide, impairments of analog circuits of transceivers including ... [more] SRW2018-50
pp.25-29
SR, RCS
(Joint)
(2nd)
2018-10-31
15:00
Overseas Mandarin Hotel, Bangkok, Thailand [Invited Talk] An Experiment of 100 Gbps Wireless Transmission Using OAM-MIMO Multiplexing in 28 GHz
Doohwan Lee, Sasaki Hirofumi, Hiroyuki Fukumoto, Yasunori Yagi, Takana Kaho, Takashi Shimizu (NTT Corp.)
 [more]
OPE, OCS, LQE 2018-05-11
16:15
Tokyo Kikai-Shinko-Kaikan Bldg (Tokyo) [Special Invited Talk] DMD-Unmanaged Long-Haul SDM Transmission Over 2500-km 12-core x 3-mode MC-FMF and 6300-km 3-mode FMF Employing Intermodal Interference Cancelling Technique
Kohki Shibahara, Takayuki Mizuno, Doohwan Lee, Yutaka Miyamoto, Hirotaka Ono, Kazuhide Nakajima (NTT), Shota Saitoh, Katsuhiro Takenaga (Fujikura), Kunimasa Saitoh (Hokkaido Univ.) OCS2018-7 OPE2018-7 LQE2018-7
This talk provides an overview of advanced space division multiplexing (SDM) technologies that we have developed over th... [more] OCS2018-7 OPE2018-7 LQE2018-7
pp.25-27
RCS, SR, SRW
(Joint)
2018-03-02
11:45
Kanagawa YRP Blind frequency-dependent IQ imbalance compensation using constant norm algorithm for OFDM systems
Ryoto Hamabe, Tadao Nakagawa (Tottori Univ.), Doohwan Lee, Takana Kaho (NTT) SRW2017-90
As the frequency bandwidth in wireless communications are wide, impairments of analog circuits of transceivers including... [more] SRW2017-90
pp.105-108
ED, MW 2018-01-26
13:50
Tokyo Kikai-Shinko-Kaikan Bldg. An experimental study on beam focusing effect using dielectric lens for OAM multiplexing
Hiroyuki Fukumoto, Doohwan Lee, Hirofumi Sasaki, Takana Kaho, Hiroyuki Shiba (NTT) ED2017-103 MW2017-172
 [more] ED2017-103 MW2017-172
pp.53-57
RCS, SAT
(Joint)
2017-08-18
10:30
Niigata Niigata Univ. [Invited Lecture] Orbital Angular Momentum (OAM) Multiplexing as an Emerging Wireless Transmission Technology
Doohwan Lee, Hirofumi Sasaki, Hiroyuki Fukumoto, Hiroyuki Shiba (NTT) SAT2017-32 RCS2017-162
Recently, wireless communication using Orbital Angular Momentum (OAM) has drawn much attention as an
emerging candidate... [more]
SAT2017-32 RCS2017-162
p.61(SAT), p.103(RCS)
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
SR 2016-10-28
14:15
Osaka Osaka Univ. Nakanoshima Center Beam Propagation Control Method for OAM Multiplexing using Gaussian Beam
Hirofumi Sasaki, Doohwan Lee, Hiroyuki Fukumoto, Tadao Nakagawa, Hiroyuki Shiba (NTT) SR2016-73
 [more] SR2016-73
pp.105-110
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
CQ 2016-05-24
10:50
Fukuoka Kyushu University Model Based Radio Environment Recognition and Prediction Techniques for Quality Management Wireless Communication System in Spectrum Sharing Scenarios
Hirofumi Sasaki, Takayuki Yamada, Doohwan Lee, Tadao Nakagawa (NTT) CQ2016-14
 [more] CQ2016-14
pp.9-14
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
SR, SRW
(Joint)
2016-05-17
14:00
Overseas Hotel Lasaretti, Oulu, Finland [Poster Presentation] Toward Realization of a New Wireless Transmission Technology: Orbital Angular Momentum (OAM) Multiplexing
Doohwan Lee, Hirofumi Sasaki, Hiroyuki Fukumoto, Tadao Nakagawa (NTT) SR2016-16 SRW2016-13
Recently, wireless communication using Orbital Angular Momentum (OAM) has drawn much attention as an emerging candidate ... [more] SR2016-16 SRW2016-13
pp.57-58(SR), pp.45-46(SRW)
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
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
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