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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2023-06-14 17:30 |
Hokkaido | Hokkaido University, and 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 | 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 |
| RCS, SIP, IT | 2022-01-20 17:20 |
Online | Online | A Study on AoA Estimation-Aided Bayesian Receiver Design via Bilinear Inference for mmWave Large MIMO Kenta Ito, Takumi Takahashi, Koji Igarashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.) IT2021-58 SIP2021-66 RCS2021-226 |
We propose a novel joint channel and data estimation (JCDE) scheme for mmWave large multi-user multi-input multi-output ... [more] | IT2021-58 SIP2021-66 RCS2021-226 pp.167-172 |
| SIP, IT, RCS | 2021-01-21 14:00 |
Online | Online | A Study of Pilot Assignment Optimization Based on Statistical Beam Selection for Large Multi-User MIMO Yuichi Ochi, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.) IT2020-78 SIP2020-56 RCS2020-169 |
We propose a novel pilot assignment optimization scheme based on statistical beam selection for significant pilot overhe... [more] | IT2020-78 SIP2020-56 RCS2020-169 pp.87-92 |
| RCS, AP, UWT (Joint) |
2020-11-25 10:15 |
Online | Online | A Study on Joint Channel and Data Estimation via Belief Propagation for Correlated Large MIMO Systems Kenta Ito, Takumi Takahashi (Osaka Univ), Shinsuke Ibi (Doshisha Univ), Seiichi Sampei (Osaka Univ) RCS2020-111 |
We propose a novel joint channel and data estimation (JCDE) scheme for correlated large multi-user multi-input multi-out... [more] | RCS2020-111 pp.7-12 |
| RCS | 2020-06-25 15:20 |
Online | Online | Bilinear Gaussian Belief Propagation for Iterative Channel and Data Estimation in Large MIMO Systems Kenta Ito, Takumi Takahashi (Osaka Univ), Shinsuke Ibi (Doshisha Univ), Seiichi Sampei (Osaka Univ) RCS2020-40 |
This paper proposes a bilinear Gaussian belief propagation (BiGaBP) for joint channel and data estimation (JCDE) in larg... [more] | RCS2020-40 pp.103-108 |
| IN, RCS, NV (Joint) |
2020-05-21 - 2020-05-22 |
Online | Online | A Study on Non-Orthogonal Pilot Design for Grant-Free Multi-User Massive MIMO Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) RCS2020-22 |
To accommodate a large number of users with low latency, grant-free access has gained much attention. As one of the conv... [more] | RCS2020-22 pp.67-72 |
| IT, SIP, RCS | 2020-01-23 09:50 |
Hiroshima | Hiroshima City Youth Center | A Study on Channel Estimation by Using Independent Component Analysis in Large-scale MIMO Systems Taichi Kasai, Shinsuke Ibi, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.) IT2019-37 SIP2019-50 RCS2019-267 |
As the demand for wireless communication technology increases, efficient frequency usage is required. In the case of lar... [more] | IT2019-37 SIP2019-50 RCS2019-267 pp.7-11 |
| 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 | 2019-06-19 10:30 |
Okinawa | Miyakojima Hirara Port Terminal Building | A Fundamental Study on Channel Estimation Using Deep Learning Ryota Nakajima, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara (Hokkaido Univ.) RCS2019-43 |
In wireless communication, channel estimation is essential to detect transmitted signals from received signals. At prese... [more] | RCS2019-43 pp.37-42 |
| RCS | 2018-04-23 11:45 |
Yamaguchi | Hotel New Tanaka, Yuda Onsen | A Study on Iterative Channel Estimation with Non-Orthogonal Pilot Sequence in Large MIMO Detection Takumi Takahashi, Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) RCS2018-6 |
Based on the use of iterative channel estimation with non-orthogonal pilot sequence, we proposes a modified covariance m... [more] | RCS2018-6 pp.31-36 |
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