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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| IT, RCS, SIP | 2023-01-24 17:50 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Multi-agent DQN-Based Activation Control of Base Stations Utilizing Activation States of Neighbor Base Stations Daiki Kato, Takanori Hara (Tokyo Univ. of Science), Yuto Muroki (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)  IT2022-47 SIP2022-98 RCS2022-226 |
[more] | IT2022-47 SIP2022-98 RCS2022-226 pp.102-107 |
| IT, RCS, SIP | 2023-01-24 18:15 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
A Study on Avdanced Peak Cancellation Signal Generation for PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals Jun Saito, Takanori Hara (Tokyo Univ. of Science), Satoshi Suyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) IT2022-48 SIP2022-99 RCS2022-227 |
[more] | IT2022-48 SIP2022-99 RCS2022-227 pp.108-113 |
| IT, RCS, SIP | 2023-01-25 10:25 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Investigations on Low-Complexity User-Specific TRP Selection Method in Downlink Cell-Free MIMO with Partial CSI Hiroki Kato, Takanori Hara (Tokyo Univ. of Science), Satoshi Suyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) IT2022-58 SIP2022-109 RCS2022-237 |
[more] | IT2022-58 SIP2022-109 RCS2022-237 pp.166-171 |
| RCS | 2022-10-27 10:20 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
Investigation on Transmission Power Control in NOMA-Based Random Access with Hierarchically Structured Random Access Identifiers Megumi Asada, Takanori Hara (Tokyo Univ. of Science), Satoshi Suyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2022-130 |
[more] | RCS2022-130 pp.13-18 |
| RCS | 2022-10-27 10:45 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
Investigation of NOMA-Based Highly-Efficient Low-Latency HARQ Method with Inter-Base Station Cooperation for URLLC Ryota Kobayashi, Takanori Hara (Tokyo Univ. of Science), Yasuaki Yuda (Panasonic), Kenichi Higuchi (Tokyo Univ. of Science) RCS2022-131 |
This paper extends our previously reported non-orthogonal multiple access (NOMA)-based high-efficient and low-latency hy... [more] | RCS2022-131 pp.19-24 |
| RCS | 2022-10-28 09:50 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
Investigation of Advanced Transmitter Filtering Method for Random Access with Random Access Identifier Linked Receiver Beamforming Shogo Uchida, Takanori Hara (Tokyo Univ. of Science), Satoshi Suyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2022-143 |
[more] | RCS2022-143 pp.71-76 |
| RCS | 2022-06-15 13:20 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Complexity-Reduced Channel Estimation Using Comb-Shaped Preamble for Random Access with Transmitter Filtering and Channel Identifier Linked Receiver Beamforming Andrey Bolotov, Takanori Hara, Kenichi Higuchi (Tokyo Univ. of Science) RCS2022-31 |
[more] | RCS2022-31 pp.43-48 |
| RCS | 2022-06-15 13:30 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
HARQ Using Hierarchical Tree-Structured Random Access Channel Identifiers and Random Retransmission Time Back-Off in NOMA Based Random Access Katsuya Yanai, Takanori Hara (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2022-32 |
[more] | RCS2022-32 pp.49-54 |
| RCS | 2022-06-15 13:40 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Repetition-Based NOMA-HARQ with Adaptive Termination for URLLC Go Takita, Takanori Hara (Tokyo Univ. of Science), Yasuaki Yuda (Panasonic), Kenichi Higuchi (Tokyo Univ. of Science) RCS2022-33 |
[more] | RCS2022-33 pp.55-60 |
| RCS | 2022-06-15 14:05 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Peak Cancellation Signal Generation Considering Variance in Signal Power Among Transmitter Antennas in PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals Jun Saito (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2022-34 |
[more] | RCS2022-34 pp.61-66 |
| RCS | 2022-06-15 14:15 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals at Multiple-Antenna AF Relay Station Based on Signal Processing at Base Station Asuka Kakehashi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2022-35 |
[more] | RCS2022-35 pp.67-72 |
| RCS | 2022-06-15 14:25 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Investigations on TRP Clustering Method in Downlink Cell-Free MIMO Using Layered Partially Non-orthogonal ZF-Based Beamforming Daisuke Ishii, Takanori Hara (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2022-36 |
[more] | RCS2022-36 pp.73-78 |
| RCS | 2022-06-15 14:35 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Autonomous Decentralized User Association Method to Maximize Integrated System Throughput Considering Coexistence of Multiple Services Kazuma Matsumoto, Takanori Hara (Tokyo Univ. of Science), Yasuaki Yuda (Panasonic), Kenichi Higuchi (Tokyo Univ. of Science) RCS2022-37 |
[more] | RCS2022-37 pp.79-84 |
| RCS | 2022-06-15 14:45 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Investigation of Distributed Probabilistic Control for Joint Optimization of Base Station Activation and Cell Range Expansion Takehiro Ueda, Kenichi Higuchi (Tokyo Univ. of Science) RCS2022-38 |
[more] | RCS2022-38 pp.85-90 |
| RCS | 2022-06-15 14:55 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Activation Control of Base Stations Based on Distributed DQN for Heterogeneous Networks Daiki Kato (Tokyo Univ. of Science), Yuto Muroki, Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2022-39 |
[more] | RCS2022-39 pp.91-96 |
| RCS | 2021-10-22 15:00 |
Online | Online | [Poster Presentation]
Investigation of NOMA-Based Highly-Efficient Low-Latency Random Access Kenichi Higuchi (Tokyo Univ. of Science) RCS2021-139 |
In this paper, we introduce some of our recent studies on highly-efficient low-latency random access that realize multi-... [more] | RCS2021-139 pp.112-119 |
| RCS | 2021-06-23 13:00 |
Online | Online | Efficient HARQ Method Using Hierarchically Structured Physical Channel Identifiers in NOMA-based Random Access for Multi-Packet Reception Megumi Asada (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2021-36 |
This paper proposes an efficient hybrid automatic repeat request (HARQ) method achieving both the packet combining and r... [more] | RCS2021-36 pp.43-48 |
| RCS | 2021-06-23 13:10 |
Online | Online | Investigation of Transmitter Filtering Method for Random Access with Channel Identifier Linked Receiver Beamforming Shogo Uchida (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2021-37 |
This paper investigates a transmitter filtering (TF) method for random access using physical channel identifier (PCID)-l... [more] | RCS2021-37 pp.49-55 |
| RCS | 2021-06-23 13:20 |
Online | Online | Investigation on Complexity Reduction in Peak Cancellation Signal-Based PAPR Reduction Method Using Null Space in MIMO Channel Kenta Hosoi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2021-38 |
In this paper, we propose an algorithm to further reduce the computational complexity of the peak-to-average power ratio... [more] | RCS2021-38 pp.56-61 |
| RCS | 2021-06-23 13:30 |
Online | Online | Investigation of PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals in Multiple-Antenna AF Relay Transmission Yuki Sekiguchi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2021-39 |
In the 5th generation mobile communication system and beyond, the importance of relay transmission increases in order to... [more] | RCS2021-39 pp.62-67 |
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