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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| RCS | 2022-06-16 10:10 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Iterative Active User Detection for Grant-Free Non-Orthogonal Multiple Access in The Presence of Carrier Frequency Offsets Kohei Ueda (UEC), Takanori Hara (TUS), Koji Ishibashi (UEC) RCS2022-43 |
Grant-free non-orthogonal multiple access (GF-NOMA) systems suffer from the performance degradation of active user detec... [more] | RCS2022-43 pp.114-119 |
| IT, SIP, RCS | 2020-01-24 16:40 |
Hiroshima | Hiroshima City Youth Center | Active User Detection for Uplink Grant-Free Non-Orthogonal Multiple Access in The Presence of Carrier Frequency Offsets Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) IT2019-89 SIP2019-102 RCS2019-319 |
Practically, it is significantly difficult to assume that carrier frequencies are ideally synchronized among users, and ... [more] | IT2019-89 SIP2019-102 RCS2019-319 pp.313-317 |
| NS, RCS (Joint) |
2019-12-19 09:15 |
Tokushima | Tokushima Univ. | A Study on Active User Detection and Channel Estimation for Grant-Free Non-Orthogonal Multiple Access based on OFDM Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) RCS2019-237 |
As a scheme to accommodate a large number of users efficiently, the grant-free non-orthogonal multiple access (GF-NOMA) ... [more] | RCS2019-237 pp.1-5 |
| RCS | 2019-10-24 09:55 |
Kanagawa | Yokosuka Research Park | Theoretical Analysis on Grant-Free Non-Orthogonal Multiple Access Using Vector Approximate Message Passing Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) RCS2019-179 |
As a scheme to accommodate a large number of users efficiently, the grant-free non-orthogonal multiple access (GF-NOMA)... [more] |
RCS2019-179 pp.7-12 |
| RCS, SAT (Joint) |
2019-08-22 09:50 |
Aichi | Nagoya University | Generalized Boosted Approximate Message Passing for Uplink Grant-Free Non-Orthogonal Multiple Access Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) RCS2019-148 |
In this paper, we propose low complexity active user detection (AUD), channel estimation (CE), and multiuser detection (... [more] | RCS2019-148 pp.13-18 |
| SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-10 16:10 |
Osaka | I-Site Nanba（Osaka） | Boosted Approximate Message Passing for Uplink Grant-Free Non-Orthogonal Multiple Access Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) RCC2019-17 NS2019-50 RCS2019-107 SR2019-26 SeMI2019-26 |
In this paper, we propose low complexity active user detection (AUD), channel estimation (CE), and multiuser detection (... [more] | RCC2019-17 NS2019-50 RCS2019-107 SR2019-26 SeMI2019-26 pp.33-38(RCC), pp.43-48(NS), pp.37-42(RCS), pp.43-48(SR), pp.47-52(SeMI) |
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