| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| BCT, IEEE-BT |
2024-02-16
10:50 |
Aichi |
Nagoya International Center
(Primary: On-site, Secondary: Online) |
Adapter-Based Fine-Tuning for Multi-Task Learning Based CSI Feedback in FDD Massive MIMO Systems
Mayuko Inoue, Tomoaki Ohtsuki (Keio Univ) |
A multi-task learning-based Channel State Information (CSI) feedback has been proposed to obtain the CSI of the downlink... [more] |
BCT2024-27
pp.25-28 |
| BCT, IEEE-BT |
2024-02-16
11:10 |
Aichi |
Nagoya International Center
(Primary: On-site, Secondary: Online) |
Transformer-Based Reinforcement Learning for Antenna Beamforming in HAPS System with Multicell Configuration
Yang Siyuan, Mondher Bouazizi, Tomoaki Ohtsuki (Keio Univ.) |
[more] |
BCT2024-28
pp.29-32 |
| BCT, IEEE-BT |
2023-02-16
14:50 |
Osaka |
Osaka Museum of History |
Continual Learning and Deep Transfer Learning Based CSI Feedback in FDD Massive MIMO Systems
Mayuko Inoue, Tomoaki Ohtsuki (Keio Univ.) |
[more] |
BCT2023-19
pp.5-8 |
| BCT, IEEE-BT |
2023-02-16
15:10 |
Osaka |
Osaka Museum of History |
Combined DRL and Evolution Algorithm for Dynamic Antenna Control in Multi-Cell Configuration HAPS System
Yang Siyuan, Mondher Bouazizi, Tomoaki Ohtsuki (Keio Univ.) |
[more] |
BCT2023-20
pp.9-12 |
| BCT, IEEE-BT |
2022-02-17
13:00 |
Online |
Online |
Autoencoder-based Pilot Pattern Design for CDL Channels
Yuta Yamada, Tomoaki Ohtsuki (Keio Univ.) |
In the pilot-based channel estimations, a large number of pilot signals enable an improvement in the channel estimation ... [more] |
BCT2022-13
pp.1-4 |
| BCT, IEEE-BT |
2022-02-17
13:20 |
Online |
TBD |
Channel Estimation to Mitigate Channel Aging in Massive MIMO with Pilot Contamination
Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.) |
In a massive multiple-input mltiple-output (MIMO) system based on time division duplex (TDD), the channel state informat... [more] |
BCT2021-12
pp.13-16 |
| BCT, IEEE-BT |
2022-02-17
13:40 |
Online |
TBD |
Polar Code Search Method using Tabu Search and Bhattacharyya Parameter
Akira Yamada, Tomoaki Ohtsuki (Keio Univ.) |
[more] |
BCT2021-13
pp.17-20 |
| BCT, IEEE-BT |
2020-02-20
14:15 |
Shiga |
|
Learning-Based Channel Estimation for Massive MIMO with Pilot Contamination and Its Impact of Model Mismatch in Training
Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.) |
In massive multiple-input multiple-output (MIMO), a base station (BS) needs accurate estimation of channel state informa... [more] |
BCT2020-24
pp.13-16 |
| BCT, IEEE-BT |
2020-02-20
14:35 |
Shiga |
|
Discrete Polar Decoder with Reduced Hardware and Computational Complexity by Quantization using Information Bottleneck Method
Akira Yamada, Tomoaki Ohtsuki (Keio Univ.) |
Polar codes are attracting much attention and being used for control channels of the 5th generation of mobile communicat... [more] |
BCT2020-25
pp.17-20 |
| BCT, IEEE-BT |
2020-02-20
14:55 |
Shiga |
|
Learning and Analysis of Damping Factor in Massive MIMO Detection using BP Algorithm with Node Selection
Junta Tachibana, Tomoaki Ohtsuki (Keio Univ.) |
[more] |
BCT2020-26
pp.21-24 |
| BCT, IEEE-BT |
2019-02-21
15:05 |
Shizuoka |
Kanponoyado Yaizu |
Precoder Design Formulation and Iterative Algorithm for Downlink GSM-MIMO
Yuwen Cao, Tomoaki Ohtsuki (Keio Univ.) |
[more] |
BCT2019-28
pp.21-24 |
| BCT, IEEE-BT |
2019-02-21
15:25 |
Shizuoka |
Kanponoyado Yaizu |
User Association in mmWave Networks using Reinforcement Learning
Yuva Kumar S., Fereidoun H. Panahi, Tomoaki Ohtsuki (KeioUniv) |
With the advent of the fifth generation (5G) systems, there is an increasing demand for high data rate transmission and ... [more] |
BCT2019-29
pp.25-28 |
| BCT, IEEE-BT, HOKKAIDO |
2018-07-26
13:40 |
Hokkaido |
Hokkaido Univ. |
Channel estimation using spatial interpolation in Massive MIMO
Masumi Kuriyama, Tomoaki Ohtsuki (Keio Univ.) |
Massive MIMO (multiple-input multiple-output) is a technology that uses many antennas at the base station, and can reali... [more] |
BCT2018-60
pp.1-4 |
| BCT, IEEE-BT |
2018-02-22
16:15 |
Toyama |
Kanponoyado-Toyama |
Joint Maximum A Posteriori Estimation of Channel and Interference Power with Channel Covariance Estimation for OFDM Transmission
Masahiro Kudo, Tomoaki Ohtsuki (Keio Univ.) |
Superposed multicarrier transmission has been proposed as one of the techniques to improve frequency utilization efficie... [more] |
BCT2018-31
pp.29-32 |
| BCT, IEEE-BT [detail] |
2017-02-23
13:40 |
Aichi |
Kanpo-no-yado Chita-mihama |
QoE-aware Video Steaming Transmission Optimization Method for Joint Bit Rate and Playout Threshold Control
Yan Qi, Tomoaki Ohtsuki (Keio Univ) |
[more] |
BCT2017-24
pp.5-8 |
| BCT, IEEE-BT |
2016-02-18
16:40 |
Hokkaido |
Kanpo-No-Yado (Otaru) |
A Centralized Interference Alignment (IA) Design for Multi-User MIMO Interference Channels
Fereidoun H. Panahi, Tomoaki Ohtsuki (Keio Univ.), Wenjie Jiang, Yasushi Takatori, Kazuhiro Uehara (NTT) |
Interference alignment (IA) is a technique shown to be able to achieve a significant overall throughput in a 𝐾-u... [more] |
BCT2016-25
pp.33-36 |
| BCT, IEEE-BT |
2015-06-05
14:25 |
Tokyo |
mmbi, Inc. |
Superposed Multicarrier Transmission
Tomoaki Ohtsuki (Keio Univ.), Jun Mashino (NTT) |
[more] |
BCT2015-46
pp.9-12 |
| BCT, IEEE-BT |
2015-06-05
14:50 |
Tokyo |
mmbi, Inc. |
Scalable and Cost-effective Live Video Encoding and Delivery in Cloud
Koustubh Gaikwad, Tomoaki Ohtsuki (Keio Univ.) |
Live media streaming has become one of the most important applications over the Internet. However, having an all-round s... [more] |
BCT2015-47
pp.13-16 |
| BCT, IEEE-BT |
2015-02-19
15:30 |
Mie |
|
A study on log-likelihood ratio setting for superposed multicarrier transmission
Yohei Shibata, Tomoaki Ohtsuki (Keio Univ.), Jun Mashino, Takatoshi Sugiyama (NTT) |
Superposed multicarrier transmission scheme is known to improve frequency utilization efficiency where several wireless ... [more] |
BCT2015-29
pp.17-20 |
| BCT, IEEE-BT |
2015-02-19
15:55 |
Mie |
|
Scalable and Cost Effective Live Video Encoding in Cloud
Koustubh Gaikwad, Tomoaki Ohtsuki (Keio Univ.) |
[more] |
BCT2015-30
pp.21-24 |