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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 341  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MIKA
(3rd)
2022-10-12
- 2022-10-15
Niigata Niigata Citizens Plaza
(Primary: On-site, Secondary: Online)
[Poster Presentation] Evaluation of Interference Suppression Performance of Marquardt Method CMA Spatio-Temporal Adaptive Filtering in Time-varying Channel Environment
Haruya Ikeda, Kazuki Maruta (Tokyo Univ. of Science), Daisuke Hisano (Osaka Univ.), Yu Nakayama (TUAT)
(To be available after the conference date) [more]
SAT, RCS
(Joint)
2022-08-25
12:05
Hokkaido
(Primary: On-site, Secondary: Online)
A study on user-driven suboptimal joint transmit-receive diversity
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2022-102
In user-driven suboptimal joint transmit-receive diversity (JTRD), firstly the user equipment (UE) determines its divers... [more] RCS2022-102
pp.30-35
SAT, RCS
(Joint)
2022-08-26
16:10
Hokkaido
(Primary: On-site, Secondary: Online)
A Study of Frequency Assignment for Adaptive Coding and Modulation Scheme on Flexible Satellite Communication System
Mitsugu Ohkawa, Hiromitsu Wakana, Amane Miura (NICT) SAT2022-43
The resource control for frequency bandwidth and transmission power between beams is effective in Ka-band high capacity ... [more] SAT2022-43
pp.76-81
AP, SANE, SAT
(Joint)
2022-07-29
14:30
Hokkaido Asahikawa Taisetsu Crystal Hall
(Primary: On-site, Secondary: Online)
Study on efficient channel coding method for next-generation optical satellite data relay system
Eiji Okamoto, Yuma Yamashita (NITech), Yohei Satoh, Mitsuhiro Nakadai, Takamasa Itahashi, Shiro Yamakawa (JAXA) SAT2022-27
High-capacity satellite communications are continuously demanded, and one of the challenges is to realize a high-capacit... [more] SAT2022-27
pp.57-62
MW 2022-06-09
15:05
Nagano Naganoken Nokyo Building
(Primary: On-site, Secondary: Online)
[Invited Talk] Activites on utilizing Reconfigurable Intelligent Surface for wireless channel control
Masashi Iwabuchi, Riku Ohmiya, Tomoaki Ogawa, Yasushi Takatori (NTT) MW2022-26
In this talk, we will introduce our activities for wireless channel control using recinfgurable intelligent surface(RIS)... [more] MW2022-26
p.19
IT, EMM 2022-05-17
13:50
Gifu Gifu University
(Primary: On-site, Secondary: Online)
Extensible Polarization-Adjusted Convolutional Codes and Its Application to Rateless Codes
Yachongka Vamoua, Michitaka Kurosu, Mizuho Asahi, Hideki Yagi, Koji Ishibashi (UEC) IT2022-3 EMM2022-3
Rateless codes have been proposed to realize efficient communications when the channel state information is not availabl... [more] IT2022-3 EMM2022-3
pp.13-18
IT, EMM 2022-05-18
10:25
Gifu Gifu University
(Primary: On-site, Secondary: Online)
A method of assigning bit labeling for delayed bit-interleaved coded modulation
Gou Hosoya (Waseda Univ.) IT2022-9 EMM2022-9
We show the capacity of delayed bit-interleaved coded modulation (DBICM) with a small delay on a two-dimensional signal ... [more] IT2022-9 EMM2022-9
pp.44-49
IT, ISEC, RCC, WBS 2022-03-10
10:30
Online Online Performance Evaluation of Random Codes and Polar Codes in Channels with Constraints on Time and Energy of One Codeword
Issei Yokosawa, Tomohiko Uyematsu (Tokyo Tech) IT2021-85 ISEC2021-50 WBS2021-53 RCC2021-60
The channel model used by Shannon and Gallager to derive channel coding theorem
had the unreality that the transmissio... [more]
IT2021-85 ISEC2021-50 WBS2021-53 RCC2021-60
pp.13-18
CAS, CS 2022-03-04
17:15
Online Online Wireless relay transmission using adaptive transmission schemes in multiple antenna environments
Elito Pangestu, Hong Zhou, Kazuo Kumamoto (Osaka Inst. of Tech.) CAS2021-102 CS2021-104
MIMO transmission, which utilizes multiple transmit and receive antennas, is an essential technology for realizing ultra... [more] CAS2021-102 CS2021-104
pp.153-157
AP, WPT
(Joint)
2022-01-20
13:10
Tottori Kenmin-Fureai-Kaikan
(Primary: On-site, Secondary: Online)
[Invited Lecture] Estimation of MIMO Channel Capacity in an Indoor Environment Using Ray-Tracing Method
Hiroto Yonawa, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2021-141
Multiple-input multiple-output (MIMO) system, which uses multiple transmit and receive antennas, has been studied as a m... [more] AP2021-141
pp.37-42
AP, WPT
(Joint)
2022-01-20
14:20
Tottori Kenmin-Fureai-Kaikan
(Primary: On-site, Secondary: Online)
[Invited Lecture] A Study of Error Mitigation Methods Using Stochastic Space Characteristics in Radio Wave Propagation Simulation
Tomoharu Nakamura, Hiroaki Nakabayashi (CIT) AP2021-144
Radio propagation simulations are divided into site-general and site-specific methods, and are widely used in the constr... [more] AP2021-144
pp.53-58
AP, WPT
(Joint)
2022-01-20
14:40
Tottori Kenmin-Fureai-Kaikan
(Primary: On-site, Secondary: Online)
[Invited Lecture] MIMO capacity estimation method based on scale model with visible light
Ryotaro Taniguchi, Tomoki Murakami, Minoru Inomata, Tomoaki Ogawa, Yasushi Takatori (NTT) AP2021-145
As the theme of "MIMO System Capacity Estimation", the 3rd Propagation Modeling Competition will be held in the Technica... [more] AP2021-145
pp.59-63
RCS, SIP, IT 2022-01-21
09:50
Online Online Studies on Channel Prediction in a Millimeter-Wave Band Based on Multipath Delay and Angle-of-Arrival Estimation
Daigo Mochizuki, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato (Hokkaido Univ.) IT2021-63 SIP2021-71 RCS2021-231
A multi-user MIMO system can achieve high-capacity communication using downlink channel state information (CSI) for each... [more] IT2021-63 SIP2021-71 RCS2021-231
pp.195-200
AP, RCS
(Joint)
2021-11-11
09:30
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
Weight Function for a Three-Axis Orthogonally Arranged Dipoles Considering the Antenna Tilt Angle in a Cluster Propagation Environment
Kazuhiro Honda, Yoto Sekino (Toyama Univ.), Kun Li (Kagawa Univ.) AP2021-109
In our previous study, a three-axis orthogonal weighted-polarization wearable antenna that has the weight function deter... [more] AP2021-109
pp.50-55
AP, RCS
(Joint)
2021-11-11
11:45
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
A recursive solution of joint transmit-receive diversity weight vectors
Fumiyuki Adachi, Ryo Takahashi (Tohoku U.) RCS2021-161
Optimal joint transmit-receive diversity (JTRD) is a type of multi-input multi-output (MIMO) spatial diversity technique... [more] RCS2021-161
pp.98-103
MIKA
(3rd)
2021-10-29
10:30
Okinawa
(Primary: On-site, Secondary: Online)
[Poster Presentation] A Study of MIMO SC-FDE for Large-capacity Transmission using Millimeter-wave Band
Yoshifumi Matsusaki, Fumiya Yamagishi, Tomohiro Shimazaki, Takayuki Nakagawa, Naohiko Iai (NHK)
The authors are conducting research and development on large-capacity transmission technology using millimeter-wave band... [more]
MIKA
(3rd)
2021-10-29
10:30
Okinawa
(Primary: On-site, Secondary: Online)
[Poster Presentation] A Study on Inter-Symbol Interference Reduction for Downlink Asynchronous NOMA
Tomonari Kurayama, Teruyuki Miyajima, Yoshiki Sugitani (Ibaraki Univ.)
Non-orthogonal multiple access (NOMA) can achieve high transmission efficiency and accommodate massive connectivity by a... [more]
WBS, MICT 2021-07-30
15:35
Online Online A Study on Inter-User Interference Reduction for SC-FDE-based Downlink NOMA
Tomonari Kurayama, Teruyuki Miyajima, Yoshiki Sugitani (Ibaraki Univ.) WBS2021-32 MICT2021-25
In this paper, we propose a method to reduce inter-user interference (IUI) for downlink non-orthogonal multiple access (... [more] WBS2021-32 MICT2021-25
pp.54-59
RCS, SR, NS, SeMI, RCC
(Joint)
2021-07-16
10:30
Online Online Channel capacity for a model of Packet level Index Modulation considering Erasure probability
Riku Yamabe, Mikihiko Nishiara, Osamu Takyu (Shinshu Univ) SR2021-33
Packet level index modulation is a modulation scheme that can expand the transmission capacity without changing the exis... [more] SR2021-33
pp.61-66
RCS, SR, NS, SeMI, RCC
(Joint)
2021-07-16
11:20
Online Online Improving Broadcast Ratio For Information Sharing Among Mobile Wireless Terminals Under Environment With Congestions
Huan-Bang Li, Takeshi Matsumura (NICT) RCC2021-37
Device-to-Device (D2D) communications discussed in this paper refer to a particular category of D2D, in which wireless t... [more] RCC2021-37
pp.65-70
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