Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SRW, SeMI (Joint) |
2023-11-21 17:00 |
Tokyo |
Koganei Campus, Tokyo University of Agriculture and Technology (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Study on Effectiveness of MIIMO in Polarized OAM Multiplexing Mikito Ito, Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.) SRW2023-31 |
In this report, we investigate the effectiveness of multiple-input multiple-output (MIMO) on the polarized OAM multiplex... [more] |
SRW2023-31 pp.22-23 |
MW |
2022-12-16 09:00 |
Mie |
Jingu-Kaikan(Ise) (Primary: On-site, Secondary: Online) |
Optimization of Concave Reflector and Feed-Point Azimuths on Loop-Antenna-Array OAM Multiplex Long-Range Communication System Katsuya Ishihara, Akira Saitou, Kazuhiko Honjo, Ryo Ishikawa (UEC) MW2022-139 |
Utilizing the orbital angular momentum (OAM) of electromagnetic waves has recently been attracting attention for providi... [more] |
MW2022-139 pp.38-42 |
RCS, SR, SRW (Joint) |
2022-03-04 15:20 |
Online |
Online |
Evaluation of the optimal position of relay station equipped with frequency converter in high frequency band Masahiro Takigawa, Ryochi Kataoka, Takeo Ohseki, Taishi Watanabe, Kosuke Yamazaki, Yoji Kishi (KDDI Research) RCS2021-291 |
In order to realize the integration of physical and cyber space (CPS: Cyber-Physical System), real-time, high-speed and ... [more] |
RCS2021-291 pp.195-200 |
SANE |
2021-08-26 14:00 |
Online |
Online |
A Consideration for Virtual Array in MIMO Radar Hirokazu Kobayashi (Electromagnetic Wave System Lab.) SANE2021-22 |
Multiple-input multiple-output (MIMO) radar that employs multiple antennas to transmit orthogonal waveforms and multiple... [more] |
SANE2021-22 pp.1-6 |
MW |
2020-12-10 14:30 |
Kanagawa |
(Primary: On-site, Secondary: Online) |
Circular Loop Antenna Array Integrated on Low-Permittivity Substrate for OAM Multiplexing Communication Systems Haruki Kikuchi, Akira Saito, Hisanosuke Miyake, Wataru Wada, Hiroshi Suzuki, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2020-74 |
Recently, OAMmultiplexing using orbital angular momentum (OAM) of electromagnetic waves has been attracting attention, a... [more] |
MW2020-74 pp.18-23 |
SRW, SeMI, CNR (Joint) |
2020-11-26 17:20 |
Online |
Online |
[Poster Presentation]
A Study on Effectiveness of Polarization Multiplexing on UCA-based OAM Yuki Ito, Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.) SRW2020-32 |
This report investigates the system capacity of polarized orbital angular momentum (OAM) multiplexing by comparing it wi... [more] |
SRW2020-32 pp.38-39 |
AP |
2020-10-02 14:00 |
Okinawa |
2 sub sites and online (Primary: On-site, Secondary: Online) |
[Tutorial Lecture]
Antenna Pattern Multiplexing for Receive Antennas with Massive Outputs and Reduced Cost Masato Saito (Ryukyu Univ.) AP2020-72 |
We have been studied Antenna Pattern Multiplexing (APM) technique
suitable for receivers of Single-Input Multiple-Outp... [more] |
AP2020-72 pp.23-28 |
NS, RCS (Joint) |
2019-12-19 13:00 |
Tokushima |
Tokushima Univ. |
[Invited Lecture]
Fujitsu's Approach to Millimeter-wave Subarray Beamforming Masahiko Shimizu, Hikaru Ishikawa (Fujitsu) NS2019-140 RCS2019-243 |
Fujitsu's approaches on millimeter-wave beamforming are described. At present, the beam forming of the subarray type see... [more] |
NS2019-140 RCS2019-243 pp.37-42 |
AP |
2019-02-22 09:55 |
Osaka |
Sumitomo Electric Industries (Osaka Works) |
[Invited Lecture]
A Study on the Specificity of Nonlinear Distortion Radiation in Multitone Transmission using 4.65GHz Band Massive Element Active Antenna System for 5G Takuji Mochizuki, Masashi Hirabe, Tomohiro Kikuma, Makoto Hayakawa, Daisuke Nose (NEC) AP2018-178 |
When operating the Sub6GHz-band massive element Active Antenna System (AAS) for 5 G in high power region, Downlink (DL) ... [more] |
AP2018-178 pp.49-54 |
ASN, SRW (Joint) |
2018-11-05 13:00 |
Tokyo |
Tokyo Denki University, Tokyo Senju Campus |
[Poster Presentation]
Impact of the Number of Uniform Circular Arrays on System Capacity in OAM Multiplexing Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.) ASN2018-66 SRW2018-31 |
In UCA-based OAM, the spatial phase and intensity distribution of the transmit OAM signals change significantly dependin... [more] |
ASN2018-66 SRW2018-31 pp.69-70(ASN), pp.45-46(SRW) |
RCS |
2018-06-22 16:05 |
Nagasaki |
Nagasaki University |
A Study on Superposed 16QAM Signal Detection Using GaBP in Massive MIMO Taisei Watabe, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara (Hokkaido Univ.) RCS2018-78 |
A massive MIMO system, which uses about 100 or more antennas for transmitting and receiving, enables high-speed and larg... [more] |
RCS2018-78 pp.255-260 |
AP |
2018-03-09 09:55 |
Gunma |
Hotel Ichii (Kusatsu, Gunma) |
Design of a Dual-polarized Slot Array Antenna with Monopulse Corporate-feed Waveguides for Two-dimensional Orthogonal 8-multiplexing in the Non-far Region Kentaro Wada, Ryotaro Ohashi, Takashi Tomura, Jiro Hirokawa (Tokyo Inst. of Tech.) AP2017-196 |
We have proposed a dual-polarized slot array antenna with monopulse corporate-feed waveguides for rectangular-coordinate... [more] |
AP2017-196 pp.23-26 |
WBS, IT, ISEC |
2018-03-09 13:30 |
Tokyo |
Katsusika Campas, Tokyo University of Science |
Time-Space Jointly Path-Matched MC-CDM Wide Band Radio Modulation with TX and RX Array Antennas
-- for High Performance Error-Control Coding -- Kohji Itoh, Akira Nakamura, Makoto Itami (TUS) IT2017-145 ISEC2017-133 WBS2017-126 |
Abstract The paper investigated the following 3 MIMO-OFDM systems adapted to the multi-path propagation model including... [more] |
IT2017-145 ISEC2017-133 WBS2017-126 pp.253-258 |
RCS, SR, SRW (Joint) |
2018-03-01 11:50 |
Kanagawa |
YRP |
[Technology Exhibit]
Indoor Experimental Verification of Multi-beam Spatial Multiplexing for High SHF Wide-band Massive MIMO in 5G Hiroshi Nishimoto, Manabu Sakai, Kenji Nakagawa, Shigeru Uchida, Kazuaki Ishioka, Satoshi Yamaguchi, Hideyuki Nakamizo, Yoshitaka Murata, Kuniyuki Suzuki, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2017-354 SR2017-120 SRW2017-74 |
Recently, the fifth-generation mobile communications system (5G) in higher frequency bands has been extensively studied.... [more] |
RCS2017-354 SR2017-120 SRW2017-74 pp.215-216(RCS), pp.55-56(SR), pp.41-42(SRW) |
AP, WPT (Joint) |
2018-01-19 15:10 |
Nara |
ATR |
Design of 16x16-element Monopulse Waveguide Slot Array Antenna with Corporate-feed in Rectangular-coordinate Orthogonal Multiplexing Transmission Ryotaro Ohashi, Takashi Tomura, Jiro Hirokawa (Tokyo Tech.) AP2017-170 |
We have proposed an optimization design method for excitation coefficients that maximizes multiplexing transmission chan... [more] |
AP2017-170 pp.111-114 |
NS, ASN, RCC, RCS, SR (Joint) |
2017-07-19 16:00 |
Hokkaido |
Hokkaido Univ. |
Performance Evaluation of Collaborative Interference Canceller with Quantization Error and Spatial Correlation Rieko Saiki, Daisuke Umehara (Kyoto Inst of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) RCS2017-104 |
Collaborative Interference Canceller (CIC) has been proposed to enhance cellular networks. CIC enables us to a large sca... [more] |
RCS2017-104 pp.67-72 |
AP (2nd) |
2017-06-28 - 2017-06-30 |
Hokkaido |
Hokkaido University |
[Poster Presentation]
Feasibility of Antenna System for Rectangular-coordinate Orthogonality Multiplexing by using Corporate-feed Waveguide Slot Array Antenna and Monopulse Circuit Ryotaro Ohashi, Takashi Tomura, Jiro Hirokawa (Tokyo Tech) |
This paper discusses the multiplexing antenna system using two-dimensional orthogonal field distribution in the rectangu... [more] |
|
AP (2nd) |
2017-06-28 - 2017-06-30 |
Hokkaido |
Hokkaido University |
[Invited Talk]
Proposal of Rectangular Coordinate Orthogonal Multiplexing Antenna System Jiro Hirokawa (Tokyo Tech) |
This paper proposes the rectangular coordinate orthogonal multiplexing (ROM) antenna system, which is equivalent to OAM ... [more] |
|
RCS |
2017-06-22 11:20 |
Okinawa |
Ishigaki Shoukou Kaikan |
Fundamental Considerations on Computational Complexity Reduction Using Receive Matrix Interpolation in a MIMO-OFDM System Kensei Saito, Yasutaka Ogawa, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ.) RCS2017-70 |
In multiple-input multiple-output (MIMO) systems, separation of multiple streams is often performed by multiplying a wei... [more] |
RCS2017-70 pp.121-126 |
CQ |
2017-05-29 15:40 |
Miyazaki |
Hotel Merieges (Miyazaki) |
[Special Invited Talk]
Feasibility of Rectangular-Coordinate Two-Dimensionally Orthogonal Multiplexing Short-Distance Transmission using Waveguide Planar Antennas Jiro Hirokawa (Tokyo Tech) CQ2017-21 |
This paper discusses the multiplexing antenna system using two-dimensional orthogonal field distribution in rectangular ... [more] |
CQ2017-21 pp.43-46 |