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All Technical Committee Conferences (Searched in: Recent 10 Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SR, SRW (Joint) |
2025-03-05 09:30 |
Kyoto | Kyoto Institute of Technology (Primary: On-site, Secondary: Online) |
A study of DOA estimation by time sample thinning utilizing received signal levels Ryo Watabe, Kenta Umebayashi (TUAT), Antti Tolli (UoO)  RCS2024-259 |
This study demonstrates the improvement in direction of arrival (DOA) estimation accuracy using array antennas by levera... [more] | RCS2024-259 pp.19-24 |
| RCS, SR, SRW (Joint) |
2025-03-07 17:35 |
Kyoto | Kyoto Institute of Technology (Primary: On-site, Secondary: Online) |
Threshold tuning in 1-bit ADCs for SIMO system Rina Takagi, Kenta Umebayashi (TUAT), Antti Tolli, Bikshapathi Gouda, Janne Lehtomaki (UoO) RCS2024-300 |
In this paper, I have investigated an appropriate threshold of 1-bit ADCs for SIMO communication systems in which high-o... [more] | RCS2024-300 pp.214-219 |
| RCS, AP (Joint) |
2024-11-15 12:35 |
Ishikawa | (Primary: On-site, Secondary: Online) |
[Invited Lecture]
A study of direction of arrival estimation by antenna array utilizing received signal levels Ryo Watabe, Kenta Umebayashi (TUAT), Antti Tolli (UoO) AP2024-152 RCS2024-168 |
This study shows that the accuracy of DOA (Direction Of Arrival) estimation using array antennas can be improved by util... [more] | AP2024-152 RCS2024-168 pp.93-98(AP), pp.86-91(RCS) |
| RCC, RCS, SeMI, NS, SR, RISING (Joint) |
2024-07-19 17:20 |
Hokkaido | Hokkaido Citizens Activities Promotion Center (Primary: On-site, Secondary: Online) |
A study on deep learning based weight and spacing control adaptive array antenna Kenta Umebayashi, Ugo Kamada (TUAT), Antti Tolli (UoO) RCS2024-115 |
[more] | RCS2024-115 pp.150-154 |
| SR | 2024-01-26 09:35 |
Nagano | Nagano-ken JA building (Primary: On-site, Secondary: Online) |
Enhanced Signal Detection and transmit signal Design for Massive SIMO Communications with 1-Bit ADCs Doaa Abdelhameed (Aswan Univ.), Kenta Umebayashi (TUAT), Italo Atzeni, Antti Tölli (UoO) SR2023-78 |
[more] | SR2023-78 pp.34-41 |
| SIP, IT, RCS | 2024-01-18 17:35 |
Miyagi | (Primary: On-site, Secondary: Online) |
Analysis of antenna selection based adaptive antenna for interference cancellation Jumpei Shimaoka, Kenta Umebayashi (Tokyo Univ. of Agriculture and Technology), Antti Tolli (University of Oulu) IT2023-49 SIP2023-82 RCS2023-224 |
Adaptive antenna array based on two antenna selection (AAA-TS: Adaptive Antenna Array based on Two antenna Selection) is... [more] | IT2023-49 SIP2023-82 RCS2023-224 pp.99-104 |
| RCS, SIP, IT | 2022-01-20 10:55 |
Online | Online | Design of Coded Caching for Multi-User MISO Channels with Heterogeneous Cache Sizes Ayaka Urabe, Koji Ishibashi (UEC), MohammadJavad Salehi, Antti Tolli (Univ. Oulu) IT2021-38 SIP2021-46 RCS2021-206 |
This paper focuses on coded caching when every user has a different memory size for caching and studies the design over ... [more] | IT2021-38 SIP2021-46 RCS2021-206 pp.57-62 |
| AP, RCS (Joint) |
2021-11-11 11:20 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
A study on SINR Characteristics of Adaptive Antenna Array based on Weight and Antenna Space Control Shun Ishihara, Kenta Umebayashi (TUAT), Antti Tolli (UOO) RCS2021-160 |
This paper addresses the analysis of the performance of adaptive antenna array based on weight and antenna space control... [more] | RCS2021-160 pp.92-97 |
| SIP, IT, RCS | 2021-01-21 13:35 |
Online | Online | A study on SINR Characteristics of Adaptive Antenna Array based on Weight and Antenna Space Control Shun Ishihara, Kenta Umebayashi (TUAT), Antti Tolli (UOO) IT2020-77 SIP2020-55 RCS2020-168 |
In this paper, we address the analysis of the performance of adaptive antenna array based on weight and antenna space co... [more] | IT2020-77 SIP2020-55 RCS2020-168 pp.81-86 |
| SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-10 15:20 |
Osaka | I-Site Nanba（Osaka） | A Study on Concatenated Beam- and Antenna- domain Layered BP for Large MIMO Detection Takumi Takahashi (Osaka Univ.), Antti Tolli (Univ. of Oulu), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.) RCC2019-15 NS2019-48 RCS2019-105 SR2019-24 SeMI2019-24 |
This paper proposes a concatenated beam- and antenna-domain belief propagation (BP) for realizing low-complexity large m... [more] | RCC2019-15 NS2019-48 RCS2019-105 SR2019-24 SeMI2019-24 pp.21-26(RCC), pp.31-36(NS), pp.25-30(RCS), pp.31-36(SR), pp.35-40(SeMI) |
| RCS | 2019-04-19 10:20 |
Hokkaido | Noboribetsu Grand Hotel | Channel Estimation Using Long-term Channel Statistics for BP-based Large MIMO Detection Takumi Takahashi (Osaka Univ.), Antti Tolli (Univ. of Oulu), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.) RCS2019-15 |
This paper proposes a novel de-noising method for realizing low-complexity channel estimation using long-term channel st... [more] | RCS2019-15 pp.67-72 |
| RCS, SR, SRW (Joint) |
2019-03-06 10:30 |
Kanagawa | YRP | A Study on Layered Belief Propagation for Large MIMO Detection based on Statistical Beams Takumi Takahashi (Osaka Univ.), Antti Tolli (Univ. of Oulu), Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) RCS2018-285 |
This paper proposes a novel layered belief propagation (BP) detector with a concatenated structure of two different BP l... [more] | RCS2018-285 pp.19-24 |
| SR | 2018-10-31 10:25 |
Overseas | Mandarin Hotel, Bangkok, Thailand | [Poster Presentation]
Performance analysis of Two elements Adaptive Array Antenna based on Weights and Space Control Yoshimasa Kimoto, Kenta Umebayashi (TUAT), Antti Tolli, Jarkko Kaleva (UoO) SR2018-81 |
Adaptive Array Antenna based on weight control (AAA-W) which has fixed antenna position suppresses M-1 interference sign... [more] | SR2018-81 pp.51-56 |
| ASN, NS, RCS, SR, RCC (Joint) |
2018-07-12 10:55 |
Hokkaido | Hakodate Arena | [Poster Presentation]
A study on efficient Antenna selection based on Spatial Correlation for Adaptive Array Antenna Takumi Sakamoto, Kenta Umebayashi (TUAT), Antti Tolli (UOO) RCC2018-50 NS2018-63 RCS2018-108 SR2018-47 ASN2018-44 |
In general, the number of interference signals which can be suppressed by an adaptive array antenna is determined by the... [more] | RCC2018-50 NS2018-63 RCS2018-108 SR2018-47 ASN2018-44 pp.111-117(RCC), pp.117-123(NS), pp.129-135(RCS), pp.121-127(SR), pp.127-133(ASN) |
| RCS, SR, SRW (Joint) |
2018-02-28 09:20 |
Kanagawa | YRP | Spatial Correlation-based Antenna Selection for Adaptive Array Antenna Takumi Sakamoto, Kenta Umebayashi (TUAT), Antti Tolli (UoO) RCS2017-326 |
Suppressing interference using an adaptive array antenna, the number of antenna elements determines the number of interf... [more] | RCS2017-326 pp.51-56 |
| SR | 2018-01-25 14:15 |
Fukuoka | Fukuoka univ. | A study on adaptive array antenna based on weight and antenna spacing control Yoshimasa Kimoto, Kenta Umebayashi (TUAT), Antti Tolli (UoO) SR2017-96 |
Adaptive array antenna with M elements and M RF-chains can suppress M − 1 interference singnals by controling array weig... [more] | SR2017-96 pp.15-22 |
| SR, SRW (Joint) |
2017-10-24 14:00 |
Overseas | Grand Hotel Palatino, Rome, Italy | [Poster Presentation]
Antenna configuration for antenna spacing based adaptive array antenna Kenta Umebayashi, Yoshimasa Kimoto (TUAT), Antti Tolli (UoO) SR2017-76 SRW2017-28 |
[more] | SR2017-76 SRW2017-28 pp.31-32(SR), pp.35-36(SRW) |
| RCS | 2017-10-19 09:20 |
Miyagi | Tohoku Institute of Technology | Antenna spacing control for adaptive array antenna based on weight and antenna spacing control Yoshimasa Kimoto, Kenta Umebayashi (TUAT), Antti Tolli (Univ. of Oulu) RCS2017-169 |
[more] | RCS2017-169 pp.7-12 |
| RCS, RCC, ASN, NS, SR (Joint) |
2016-07-20 15:50 |
Aichi | A Study on Design of Non-uniform Linear Antenna Array based on Antenna Selection Yoshinobu Makino, Kenta Umebayashi (TUAT), Antti Tolli (Univ. of Oulu) RCS2016-99 |
In interference suppression based on beamforming with array antenna, the possible number of interference waves to be sup... [more] | RCS2016-99 pp.29-34 |
|
| SR, RCC, MICT, RCS, SRW (Joint) (2nd) |
2016-05-16 - 2016-05-17 |
Overseas | Hotel Lasaretti, Oulu, Finland | [Poster Presentation]
Two-layer Precoding for Dimensionality Reduction in Massive MIMO Antti Arvola, Antti Tolli (University of Oulu), David Gesbert (EURECOM) |
We focus on two-stage beamforming in a single-cell system where the precoder is split into inner and outer precoders. We... [more] | |
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