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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2025-01-31 14:00 |
Kagawa | Sunport Takamatsu (Kagawa, Online) (Primary: On-site, Secondary: Online) |
Multi-hop communications utilizing multi-antenna beamforming based on IRDT protocol Keigo Saito, Takeo Fujii, Koji Ishibashi (UEC), Yu Shibata, Jumpei Doi, Yuki Oshiro, Toru Hatae (Tokyo Gas) |
(To be available after the conference date) [more] | |
| NS, RCS (Joint) |
2024-12-19 09:55 |
Hokkaido | Hakodate Arena + Online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Efficient Multi-Hop Transmission Using Adaptive Encryption-then-Compression Based on CRC-Aided Polar Codes Rui Kunii, Koji Ishibashi (UEC), Yu Shibata, Toru Hatae, Jumpei Doi, Yuki Oshiro (TG)  RCS2024-176 |
This paper focuses on block-wise redundancy fluctuations caused by the data format of packets and proposes an adaptive e... [more] | RCS2024-176 pp.7-12 |
| NS, RCS (Joint) |
2024-12-20 09:30 |
Hokkaido | Hakodate Arena + Online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Joint Estimation Method of User-Activity, Carrier Frequency Offset, and Channel Coefficient for Cell-Free Massive MIMO Ryoji Kanzaki, Kohei Ueda (UEC), Takumi Takahashi (Osaka Univ.), Koji Ishibashi (UEC) RCS2024-193 |
This paper investigates a joint estimation method for user activity, channel coefficients, and carrier frequency offsets... [more] | RCS2024-193 pp.104-109 |
| NS, RCS (Joint) |
2024-12-20 10:20 |
Hokkaido | Hakodate Arena + Online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Design of Scalable Network-Assisted Full-Duplex Cell-Free Massive MIMO Based on Energy Efficiency Maximization Yuya Mito, Koushi Okui, Kohei Ueda, Koji Ishibashi (UEC) RCS2024-195 |
This paper presents a joint design method for access point (AP) clustering and beamforming to maximize energy efficiency... [more] | RCS2024-195 pp.117-122 |
| NS, RCS (Joint) |
2024-12-20 13:55 |
Hokkaido | Hakodate Arena + Online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Bayesian Bilinear Inference-based Receiver Design for Time-Varying Millimeter-Wave MIMO Detection Takumi Takahashi (Osaka Univ.), Hiroki Iimori (Ericsson), Koji Ishibashi (UEC), Shinsuke Ibi (Doshisha Univ.), Giuseppe Abreu (CU) NS2024-167 RCS2024-200 |
This lecture proposes a novel joint channel tracking and data detection (JCTDD) scheme to combat the channel aging pheno... [more] | NS2024-167 RCS2024-200 p.134(NS), p.145(RCS) |
| RCS | 2024-10-17 16:25 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
A Study on Suppression of Information Leakage to Potential Eavesdroppers in Network-Assisted Full-Duplex Cell-Free Massive MIMO Systems Koushi Okui (UEC), Kengo Ando, Giuseppe Abreu (CU), Koji Ishibashi (UEC) RCS2024-142 |
This paper investigates the design of clustering and beamforming to suppress unintended information leakage to other us... [more] | RCS2024-142 pp.39-44 |
| RCC, RCS, SeMI, NS, SR, RISING (Joint) |
2024-07-18 10:50 |
Hokkaido | Hokkaido Citizens Activities Promotion Center (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Resource Allocation for Outage-Minimization Over Terahertz Channels Sota Uchimura, Koji Ishibashi (UEC), Josep Miquel Jornet (NU) RCS2024-98 |
This paper proposes transmit power control and spectrum allocation schemes to combat molecular absorption losses and ran... [more] | RCS2024-98 pp.70-75 |
| RCC, RCS, SeMI, NS, SR, RISING (Joint) |
2024-07-18 11:15 |
Hokkaido | Hokkaido Citizens Activities Promotion Center (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Joint Design of Linear Equalization and Beamforming for Single-Carrier Sub-Terahertz Systems Sota Uchimura (UEC), Kengo Ando, Giuseppe Abreu (CU), Koji Ishibashi (UEC) RCS2024-99 |
This paper proposes a joint design of linear equalization and beamforming for single-carrier transmission to combat both... [more] | RCS2024-99 pp.76-81 |
| RCC, RCS, SeMI, NS, SR, RISING (Joint) |
2024-07-18 11:40 |
Hokkaido | Hokkaido Citizens Activities Promotion Center (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Design of Multi-Panel Array Over Time-Varying Millimeter-Wave Channels Kanta Terui, Kabuto Arai, Koji Ishibashi (UEC) RCS2024-100 |
This study studies beamforming design utilizing multi-panel arrays for millimeter-wave (mmWave) communications, accounti... [more] | RCS2024-100 pp.82-87 |
| RCC, RCS, SeMI, NS, SR, RISING (Joint) |
2024-07-18 14:10 |
Hokkaido | Hokkaido Citizens Activities Promotion Center (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Joint Design of Transmission Blocklength and Charging Time for Realizing Secure URLLC using Energy Harvesting Kenta Miwa (UEC), Kengo Ando, Giuseppe Abreu (CU), Koji Ishibashi (UEC) RCS2024-101 |
This paper investigates short packet communications that balance reliability, low latency, and secrecy in point-to-point... [more] | RCS2024-101 pp.88-93 |
| RCC, RCS, SeMI, NS, SR, RISING (Joint) |
2024-07-18 14:35 |
Hokkaido | Hokkaido Citizens Activities Promotion Center (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Over-the-Air-Computation-Aided Distributed Principle Component Analysis for Low-Latency Inference over Wireless Networks Yuki Murakami, Kabuto Arai, Koya Sato, Koji Ishibashi (UEC) RCS2024-102 |
This paper proposes a dimensionality reduction method based on distributed principal component analysis (DPCA) to reduce... [more] | RCS2024-102 pp.94-99 |
| RCS | 2024-06-19 11:30 |
Okinawa | (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Design of Multi-Panel Array Over Millimeter-Wave Channel with Stochastic Blockage Kanta Terui, Kabuto Arai, Koji Ishibashi (UEC) RCS2024-36 |
This paper discusses beam design for multi-panel arrays over millimeter-wave (mmWave) channels with stochastic blockages... [more] | RCS2024-36 pp.46-51 |
| RCS | 2024-06-20 15:15 |
Okinawa | (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Differential Modulation for Non-Coherent Grant-free NOMA in the Presence of Timing Offsets Eiji Yoshimura, Takanori Hara (TUS), Kohei Ueda, Koji Ishibashi (UEC), Kenichi Higuchi (TUS) RCS2024-64 |
[more] | RCS2024-64 pp.215-220 |
| RCS | 2024-06-20 16:05 |
Okinawa | (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Near-Field Channel Estimation for Multiuser XL-MIMO Systems with Non-Orthogonal Pilots Kabuto Arai, Koji Ishibashi (UEC), Hiroki Iimori, Paulo Valente Klaine, Szabolcs Malomsoky (ERJ) RCS2024-66 |
In this paper, we propose a near-filed channel estimation method for multi-user extremely large-scale multiple-input mul... [more] | RCS2024-66 pp.229-234 |
| SIP, IT, RCS | 2024-01-19 15:20 |
Miyagi | (Miyagi, Online) (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Outage-Minimization Beamforming Enabling High Sum-Rate for Millimeter-Wave OFDM Systems Sota Uchimura (UEC), Giuseppe Abreu (CU), Koji Ishibashi (UEC) IT2023-70 SIP2023-103 RCS2023-245 |
This paper proposes a coordinated multi-point (CoMP) transmission scheme to mitigate path blockage effects in millimeter-... [more] | IT2023-70 SIP2023-103 RCS2023-245 pp.217-222 |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-13 13:50 |
Osaka | Osaka University Nakanoshima Center + Online (Osaka, Online) (Primary: On-site, Secondary: Online) |
A Study on Bayesian Receiver Design for Uplink MU-MIMO Systems with Carrier Frequency Offsets Kenta Ito, Takumi Takahashi, Koji Igarashi (Osaka Univ.), Koji Ishibashi (UEC), Shinsuke Ibi (Doshisha Univ.) RCS2023-93 |
This paper proposes a novel Bayesian receiver design to realize high-accuracy data detection under observations subject ... [more] | RCS2023-93 pp.70-75 |
| RCS | 2023-06-14 10:30 |
Hokkaido | Hokkaido University, and online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Scalable Network-Assisted Full-Duplex Cell-Free Massive MIMO Systems with Limited Fronthaul Capacity Koushi Okui (UEC), Kengo Ando (CU), Koji Ishibashi (UEC) RCS2023-33 |
This paper proposes a scalable network-assisted full-duplex (NAFD) cell-free massive MIMO (CF-mMIMO) system that achieve... [more] | RCS2023-33 pp.31-36 |
| RCS | 2023-06-14 10:40 |
Hokkaido | Hokkaido University, and online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Physical Layer Authentication Based on Mahalanobis Distance Over Spacially Correlated MIMO Channels Kenta Miwa (UEC), Kengo Ando, Giuseppe Abreu (CU), Koji Ishibashi (UEC) RCS2023-34 |
This paper focuses on an authentication of a legitimate transmitter over multiple-input multiple-output (MIMO) channels ... [more] | RCS2023-34 pp.37-42 |
| RCS | 2023-06-14 17:30 |
Hokkaido | Hokkaido University, and online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Bayesian Receiver Design for Grant-Free NOMA Based on Low-Density Structured OFDM Kohei Ueda (UEC), Takanori Hara (Tokyo Univ. of Science), Koji Ishibashi (UEC) RCS2023-45 |
This paper studies a grant-free non-orthogonal multiple access (GF-NOMA) system using orthogonal frequency division mult... [more] | RCS2023-45 pp.99-104 |
| RCS | 2023-06-15 14:30 |
Hokkaido | Hokkaido University, and online (Hokkaido, 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 |
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