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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| RCS | 2021-06-23 13:40 |
Online | Online | Investigation of NOMA-based High-Efficient and Low-Latency HARQ Method for URLLC Ryota Kobayashi (Tokyo Univ. of Science), Yasuaki Yuda (Panasonic), Kenichi Higuchi (Tokyo Univ. of Science) RCS2021-40 |
Hybrid automatic repeat request (HARQ) is an essential technology to efficiently reduce the error rate. However, for ult... [more] | RCS2021-40 pp.68-74 |
| RCS, AP, UWT (Joint) |
2020-11-25 10:40 |
Online | Online | Superposition Coding-Based Non-orthogonal HARQ with Adaptive Power Allocation Using Multistage Decision Hironobu Onaya, Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-112 |
This paper proposes a superposition coding-based non-orthogonal hybrid automatic repeat request (HARQ) method with adapt... [more] | RCS2020-112 pp.13-16 |
| RCS, AP, UWT (Joint) |
2020-11-25 11:20 |
Online | Online | Investigation of Preamble Design Appropriate for Random Access Achieving Multi-Packet Reception Kou Watanuki, Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-113 |
Random access for multi-packet reception is considered to be an promising technology component for the 5th generation mo... [more] | RCS2020-113 pp.17-23 |
| RCS, AP, UWT (Joint) |
2020-11-25 14:20 |
Online | Online | Online Probabilistic Activation Control of Base Stations Utilizing Temporal System Throughput and Activation States of Neighbor Cells Junya Tani, Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-117 |
In this paper, we propose an online probabilistic activation/deactivation control at base stations (BSs) based on the te... [more] | RCS2020-117 pp.42-47 |
| MICT, WBS | 2020-07-21 14:50 |
Online | Online | Proposal of Non-invasive Blood Glucose Estimation Based on Bioelectromagnetic Response and Its Evaluation by Error Grid Analysis Reo Takamatsu, Kenichi Higuchi, Dairoku Muramatsu (Tokyo Univ. of Science) WBS2020-5 MICT2020-4 |
Current blood glucose measurement requires invasive blood sampling from a patient. To reduce the patient's burden, we pr... [more] | WBS2020-5 MICT2020-4 pp.19-24 |
| RCS | 2020-06-24 13:50 |
Online | Online | Investigation of Adaptive Transmission Rate Control Based on Machine Learning Using Only ACK/NAK Feedback Takumi Endo, Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-25 |
This paper investigates an adaptive transmission rate control based on machine learning using only ACK/NAK feedback info... [more] | RCS2020-25 pp.13-18 |
| RCS | 2020-06-24 14:15 |
Online | Online | Performance Evaluation of Multiplexing Method of Multiple Service Channels to Maximize Integrated System Throughput under Finite Traffic Model Shusei Inoue, Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-26 |
The fifth generation mobile communication system and beyond are expected to support various wireless communication servi... [more] | RCS2020-26 pp.19-24 |
| RCS | 2020-06-24 15:20 |
Online | Online | Interleaver-Linked Receiver Beamforming for IDMA-Based Random Access in TDD System Yotaro Murakami (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-28 |
This paper proposes a novel interleaver-linked receiver beamforming in time division duplex (TDD)-interleave division mu... [more] | RCS2020-28 pp.31-36 |
| RCS | 2020-06-24 15:45 |
Online | Online | Interleaver-Linked Receiver Beamforming with Transmitter Channel Equalization in TDD-IDMA-Based Random Access Yuto Muroki (Tokyo Univ. of Science), Yoshihisa KIshiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-29 |
This paper proposes a transmission/reception protocol that combines our previously reported interleaver-linked receiver ... [more] | RCS2020-29 pp.37-42 |
| RCS | 2020-06-25 13:25 |
Online | Online | PC-Signal-Based PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals under Frequency-Selective Fading Channel Leon Yamaguchi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-36 |
In this paper, we propose a computational complexity-efficient algorithm for the adaptive peak-to-average power ratio (P... [more] | RCS2020-36 pp.79-84 |
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