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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 315  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2024-03-14
10:00
Fukui UNIVERSITY OF FUKUI
(Primary: On-site, Secondary: Online)
A Study on Antenna Configuration for LoS-MIMO in HAPS Feeder Link
Kazuki Matsuura, Yoshichika Ohta (SoftBank) AP2023-201
High-Altitude Platform Station (HAPS) is a new mobile communications platform that enables ultrawide coverage and disast... [more] AP2023-201
pp.1-6
RCS, SR, SRW
(Joint)
2024-03-15
13:50
Tokyo The University of Tokyo (Hongo Campus), and online
(Primary: On-site, Secondary: Online)
Time-Varying Channel Prediction Considering Angle-of-Arrival Variation for Hybrid Massive MIMO Communications
Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Satoshi Suyama, Takahiro Asai (NTT DOCOMO) RCS2023-287
For 5G massive MIMO systems, hybrid beamforming (HB), which is composed of analog beamforming (AB) and digital beamformi... [more] RCS2023-287
pp.146-151
SIP, IT, RCS 2024-01-18
16:10
Miyagi
(Primary: On-site, Secondary: Online)
A Study on Autoencoder for Iterative Signal Detection in MIMO Channels
Yoshinori Ichihashi, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) IT2023-52 SIP2023-85 RCS2023-227
In this paper, we apply deep unfolding to uplink signal detection via probabilistic data association (PDA) and configure... [more] IT2023-52 SIP2023-85 RCS2023-227
pp.115-120
AP, WPT
(Joint)
2024-01-18
09:55
Niigata Tokimate, Niigata University
(Primary: On-site, Secondary: Online)
[Invited Lecture] Expansion of Virtual BF Antenna Construction Method Using Rotating Reflector Antenna for Polarized MIMO Evaluation
Tomonori Ikeda, Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi, Masayuki Miyashita, Ayumu Yabuki (SoftBank) AP2023-168
The use of terahertz band is being considered for six-generation mobile communications, and the use of beamforming anten... [more] AP2023-168
pp.47-51
AP, RCS
(Joint)
2023-11-16
13:00
Kumamoto Kumamoto Prefectural Workers' Welfare Hall
(Primary: On-site, Secondary: Online)
[Invited Talk] User Terminal Collaborated MIMO Communications Exploiting Higher-Frequency Bands -- Prototyping 12-multiplexing equipment with collaboration at 26 GHz --
Hidekazu Murata (Yamaguchi Univ.) AP2023-145 RCS2023-168
This paper introduces a transmission/reception technique based on mobile terminal collaboration that equivalently increa... [more] AP2023-145 RCS2023-168
p.79(AP), p.83(RCS)
AP 2023-10-20
10:30
Iwate Iwate University
(Primary: On-site, Secondary: Online)
Improvement of characteristics in 700-800MHz band in 8-wave multiband antenna for mobile communication
Masayuki Nakano, Yosyio Kunisawa, Takahiro Hayashi (KDDI Research, Inc) AP2023-122
The authors conducted computer simulations and prototypes of small, low-profile multiband MIMO antennas for mobile commu... [more] AP2023-122
pp.127-132
RCS 2023-10-20
11:25
Kagawa Kagawa University (Saiwai-cho Campus), and online
(Primary: On-site, Secondary: Online)
Real-Time Simulator for Sixth-Generation Mobile Communications System
Kiichi Tateishi, Satoshi Suyama, Huiling Jiang (NTT DOCOMO) RCS2023-143
The 6th generation mobile communication system (6G) is expected to realize extremely high-data-rate and high-capacity co... [more] RCS2023-143
pp.74-78
MIKA
(3rd)
2023-10-10
15:35
Okinawa Okinawa Jichikaikan
(Primary: On-site, Secondary: Online)
[Poster Presentation] Coexistence of Wireless Power Transfer and Communication by Null-Space Expansion
Shuma Okita, Yuki Sasaki (Tokyo Univ. of Science), Takahiro Matuda (Tokyo Metropolitan Univ.), Takefumi Hiraguri (NIT), Tomotaka Kimura (Doshisha Univ.), Kazuki Maruta (Tokyo Univ. of Science)
Wireless power transfer (WPT) is a promising technology to effectively supply energy to a large number of IoT devices.
... [more]

RCS, SAT
(Joint)
2023-08-31
09:50
Nagano Naganoken Nokyo Building, and online
(Primary: On-site, Secondary: Online)
A study on bit error rate for Zero-forcing THP MIMO communication systems using QR decomposition with greedy permutation
Shigenori Kinjo (JCGA), Shuichi Ohno (Osaka Metropolitan Univ.) RCS2023-106
In this report, how to calculate the bit error rate of zero-forcing Tomlinson-Harashima precodded (ZF-THP) MIMO communic... [more] RCS2023-106
pp.26-30
CQ, MIKA
(Joint)
(2nd)
2023-08-31
10:50
Fukushima Tenjin-Misaki Sports Park [Poster Presentation] Coexistence of Wireless Power Transfer and Communication by Null-Space Expansion
Shuma Okita, Yuki Sasaki, Kazuki Maruta (Tokyo Univ. of Science), Takahiro Matuda (Tokyo Metropolitan Univ.), Takefumi Hiraguri (NIT), Tomotaka Kimura (Doshisha Univ.)
Wireless power transfer (WPT) is a promising technology to effectively supply energy to a large number of IoT devices.
... [more]

CS 2023-07-27
10:08
Tokyo Hachijo-machi Chamber of Commerce and Industry Antenna Selection Method Considering Fluctuations for Two-Hop Full-Duplex UAV Relay Networks Using MIMO
Takumu Uda, Takahiro Matsuda (TMU), Takefumi Hiraguri (NIT) CS2023-29
Unmanned aerial vehicle (UAV) relay networks can be configured to be flexible and efficient by taking advantage of the h... [more] CS2023-29
pp.43-48
SRW, MICT, WBS 2023-07-20
11:25
Niigata Niigata Univ. TOKIMATE
(Primary: On-site, Secondary: Online)
A Study on Orthogonal Directional MIMO Transmission by Using Dipole Antenna Array with Different Element Lengths
Maki Arai (Tokyo Univ. of Science) WBS2023-14 SRW2023-12 MICT2023-11
To increase the channel capacity of wireless communications, a MIMO (Multiple-Input Multiple-Output) technology is impor... [more] WBS2023-14 SRW2023-12 MICT2023-11
pp.7-12
RCS 2023-06-14
09:30
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
Study on Subarray Beam Control for Sub-Terahertz-Band MIMO Spatial Multiplexing
Naoki Hamada, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2023-28
In 6th generation mobile communication system (6G), the use of sub-Terahertz band (100–300 GHz) is being considered to r... [more] RCS2023-28
pp.1-6
RCS 2023-06-14
10:00
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
An Experimental Evaluation of the Performance Improvement by MIMO in Wireless LAN Relay Systems Using Drones
Shion Kawabe, Hiraku Okada, Chedlia Ben Naila, Masaaki Katayama (Nagoya Univ.) RCS2023-31
In this paper, we investigate a communication system in which drones are equipped with a wireless LAN relay stations and... [more] RCS2023-31
pp.19-24
RCS 2023-06-15
14:30
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
[Invited Talk] New Research Trends Toward 6G
Koji Ishibashi (UEC) RCS2023-58
There is a global surge in research and development efforts aimed at advancing the sixth-generation mobile communication... [more] RCS2023-58
p.181
MICT, WBS, RCC, SAT
(Joint) [detail]
2023-05-26
09:50
Tokyo TOKYO BIG SIGHT
(Primary: On-site, Secondary: Online)
LEO-MIMO Antenna Configuration of Satellite/Gateway for High Channel Capacity
Daisuke Goto, Koyo Tategami, Kiyohiko Itokawa, Fumihiro Yamashita (NTT) SAT2023-6 MICT2023-6
In this paper, we propose low earth orbit satellite (LEO) communications using Muti-input / Multi-output (MIMO), called ... [more] SAT2023-6 MICT2023-6
pp.26-31
RCS 2023-04-13
10:00
Shimane Matsue New Urban Hotel, and online
(Primary: On-site, Secondary: Online)
A Study on Optimal Configuration of Massive Antenna for MU-MIMO Base Station Considering 3D Spatial Radio Arrival Angle Characteristics
Kohei Mitsumoto, Ryohei Maeda, Hikari Tsuhama, Teruya Fujii (Tokyo Tech) RCS2023-1
In the 5th and 6th generation mobile communication systems, beamforming with massive antennas consisting of dozens to hu... [more] RCS2023-1
pp.1-6
AP 2023-03-16
14:10
Toyama Toyama Prefectural Civic Hall
(Primary: On-site, Secondary: Online)
A Study of Multipath Angular Characteristics near Human Body in 300 GHz Band
Koya Imaseki, Yuito Usui, Hiroaki Nakabayashi, Akihiko Hirata (Chiba Inst. of Tech.) AP2022-237
In recent years, the application of radio over terahertz technology, which relays millimeter-wave communications in a te... [more] AP2022-237
pp.19-24
RCC, ISEC, IT, WBS 2023-03-14
16:50
Yamaguchi
(Primary: On-site, Secondary: Online)
[Invited Talk] Novel Wireless Communication System Realized by Mobile Terminal Collaboration using Higher-Frequency Bands
Hidekazu Murata (Yamaguchi Univ.) IT2022-88 ISEC2022-67 WBS2022-85 RCC2022-85
This paper introduces a transmission/reception technique based on mobile terminal collaboration that equivalently increa... [more] IT2022-88 ISEC2022-67 WBS2022-85 RCC2022-85
p.126
RCS, SR, SRW
(Joint)
2023-03-03
16:40
Tokyo Tokyo Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
A Study on Analog Beam Selection and Digital Beam Design for Millimeter-wave Cell-Free Massive MIMO
Shunsuke Kamiwatari, Issei Kanno, Yoshiaki Amano (KDDI Research), Kengo Ando, Shuto Fukue, Koji Ishibashi (UEC) RCS2022-297
Cell-Free Massive MIMO (CF mMIMO) has gained much attention as one of potential technologies for Beyond 5G (B5G) whereas... [more] RCS2022-297
pp.261-266
 Results 1 - 20 of 315  /  [Next]  
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