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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| NS, IN (Joint) |
2024-02-29 11:10 |
Okinawa | Okinawa Convention Center | Evaluation of wide-area wearable sensing method applying 5G Sidelink Makoto Nomura, Kenji Kanai, Akihiro Nakao (UTokyo)  NS2023-176 |
The digital data of a person's whole body movements that wearable sensors can acquire is expected to be utilized in vari... [more] | NS2023-176 pp.26-31 |
| SeMI | 2024-01-19 10:45 |
Yamanashi | Raki House Kaiji | Optimizing Power Level Selection Probability in GF-NOMA for Users Distributed in 3D Space Yuta Ueda, Takeshi Hirai, Rei Oda, Naoki Wakamiya (Osaka Univ.) SeMI2023-66 |
This paper maximizes the throughput of the grant-free non-orthogonal multiple access (GF-NOMA) for users distributed in ... [more] | SeMI2023-66 pp.88-93 |
| CQ, MIKA (Joint) (2nd) |
2023-08-30 15:00 |
Fukushima | Tenjin-Misaki Sports Park | [Poster Presentation]
Power control to ensure fairness in slotted ALOHA schemes for mMTC Chen Guanzhou, Yuki Ichimura, Mai Mikogami, Kouki Takahashi, Shigeo Shioda (Chiba Univ.) |
One of the usage scenarios for 5G is "massive machine type communications" (mMTC), where a large number of devices and b... [more] | |
| CCS, IN (Joint) |
2023-08-04 10:12 |
Hokkaido | Banya-no-yu | Optimal Power Levels in Grant-Free Power-Domain NOMA for mMTC Takeshi Hirai, Rei Oda, Naoki Wakamiya (Osaka Univ.) IN2023-27 |
This paper optimizes the number of power levels in grant-free power-domain NOMA (GF-NOMA) for massive machine-type commu... [more] | IN2023-27 pp.58-63 |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-12 10:50 |
Osaka | Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
Throughput Maximization of Semi-Grant-Free PD-NOMA for mMTC Takeshi Hirai, Lu Chen, Naoki Wakamiya (Osaka Univ.) SeMI2023-23 |
This paper maximizes the throughput of the semi-grant-free power-domain non-orthogonal multiple access (SGF-NOMA) for th... [more] | SeMI2023-23 pp.13-18 |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-13 09:50 |
Osaka | Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
Compressed Sensing-Based Active User Detection for Random Access with Transmitter Filtering and Channel Identifier Linked Receiver Beamforming Hiroki Fujimoto, Takanori Hara, Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-87 |
This paper investigates compressed sensing-based active user detection methods for random access using transmitter filt... [more] | RCS2023-87 pp.39-44 |
| CCS | 2023-03-26 15:10 |
Hokkaido | RUSUTSU RESORT | Performance Evaluations of Self-organized Power Selection in GF-NOMA for mMTC Unider Limited Transmission Power Rei Oda, Takeshi Hirai, Naoki Wakamiya (Osaka Univ.) CCS2022-76 |
This paper evaluates the throughput of the self-organized power selection method in the grant-free power domain non-orth... [more] | CCS2022-76 pp.75-80 |
| SeMI, SeMI (Joint) |
2023-01-19 13:10 |
Tokushima | Naruto grand hotel (Primary: On-site, Secondary: Online) |
[Short Paper]
Throughput Analysis in GF-NOMA with Inter-Cell Interference for mMTC Rei Oda, Takeshi Hirai (Osaka Univ.), Shigeo Shioda (Chiba Univ.), Naoki Wakamiya (Osaka Univ.) SeMI2022-71 |
This paper presents throughput in grant-free non-orthogonal multiple access (GF-NOMA) for massive machine-type communica... [more] | SeMI2022-71 pp.3-8 |
| RCS | 2022-10-28 14:10 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Performance of Frequency Domain Non-orthogonal Multiple Access With Adaptive Resource Allocation Satoshi Denno, Taichi Yamagami, Yafei Hou (Okayama University) RCS2022-150 |
This report describes the performance of the non-orthogonal access in the uplink where some subcarriers are allocated to... [more] | RCS2022-150 p.108 |
| NS, IN (Joint) |
2022-03-11 13:00 |
Online | Online | Performance improvement method of Local 5G mobile core network in mMTC scenario Yu Kimura, Akihiro Nakao (Univ of Tokyo) NS2021-153 |
Local 5G is expected as a new wireless communication technology to accommodate a large number of IoT devices. In recent ... [more] | NS2021-153 pp.181-186 |
| CAS, CS | 2022-03-04 16:25 |
Online | Online | Robustness of Distributed Power Control for GF-NOMA in mMTC Rei Oda, Takeshi Hirai, Naoki Wakamiya (Osaka Univ.) CAS2021-100 CS2021-102 |
This paper investigates the robustness of our distributed power control method for the grant-free non-orthogonal multipl... [more] | CAS2021-100 CS2021-102 pp.141-146 |
| RCS, NS (Joint) |
2021-12-17 09:30 |
Nara | Nara-ken Bunka Kaikan and Online (Primary: On-site, Secondary: Online) |
Distributed Power Control based on Channel Gain for Grant-Free Non-Orthogonal Multiple Access in Massive Machine-Type Communications Rei Oda, Takeshi Hirai, Naoki Wakamiya (Osaka Univ.) NS2021-102 |
This paper investigates a distributed power control method based on channel gains for the grant-free non-orthogonal mult... [more] | NS2021-102 pp.29-34 |
| 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 |
| NS | 2020-10-07 15:00 |
Online | Online | [Invited Talk]
Development to industrial application of 5G network Shigeki Hayase, Michitaka Okuno (Hitachi) NS2020-62 |
Commercial 5G network service started firstly in United States and Korea in 2019. As for in Japan, commercial public 5G ... [more] | NS2020-62 p.41 |
| SR, NS, SeMI, RCC, RCS (Joint) |
2020-07-09 14:15 |
Online | Online | Study on Chaos-based Multi-user Interleave Division Multiple Access Scheme Mamoru Okumura, Tomoki Kaga, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic) RCC2020-7 NS2020-36 RCS2020-70 SR2020-15 SeMI2020-7 |
In the fifth-generation mobile communications system (5G), massive machine-type communications (mMTC), which accommodate... [more] | RCC2020-7 NS2020-36 RCS2020-70 SR2020-15 SeMI2020-7 pp.31-36(RCC), pp.31-36(NS), pp.73-78(RCS), pp.37-42(SR), pp.25-30(SeMI) |
| 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 |
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