Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, AP, UWT (Joint) |
2022-11-16 09:55 |
Fukuoka |
Kyushu University, and Online (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
Network-Assisted Full-Duplex Millimeter-Wave Cell-Free Massive MIMO with Localization-Aided Inter-User Channel Estimation Shuto Fukue (UEC), Giuseppe Abreu (JUB), Koji Ishibashi (UEC) RCS2022-164 |
We propose a joint resource allocation and beamforming design with location-aided channel estimation to mitigate the int... [more] |
RCS2022-164 pp.55-60 |
RCS |
2021-10-21 10:25 |
Online |
Online (Online) |
Performance Evaluation of Scalable Cell-Free Massive MIMO Systems with Multiple CPUs Subject to Backhaul Capacity Limitation Masaaki Ito, Issei Kanno, Kosuke Yamazaki (KDDI Research), Kengo Ando, Shuto Fukue (UEC), Hiroki Iimori (JUB), Koji Ishibashi (UEC) RCS2021-119 |
Cell-free massive multiple-input multiple-output (CF-mMIMO) systems have attracted attention worldwide, being considered... [more] |
RCS2021-119 pp.7-12 |
RCS |
2021-10-21 10:50 |
Online |
Online (Online) |
Beamforming Design and Secrecy capacity analysis for Cell-Free massive MIMO Kengo Ando (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Koji Ishibashi (UEC) RCS2021-120 |
In this paper, we investigate a secure beamforming (BF) design for cell-free massive multiple input mul tiple output (CF... [more] |
RCS2021-120 pp.13-18 |
RCS |
2021-10-21 11:15 |
Online |
Online (Online) |
A Study on Resource Allocation and Beamforming Design via Geometric Mean Maximization for Cell-free Massive MIMO Systems with Dynamic TDD Shuto Fukue (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Koji Ishibashi (UEC) RCS2021-121 |
In this paper, we consider a cell-free multiple-input multiple-output (MIMO) systems operated in a dynamic time division... [more] |
RCS2021-121 pp.19-24 |
RCS |
2021-10-21 16:00 |
Online |
Online (Online) |
[Poster Presentation]
A Study on Bayesian Receiver Design via Bilinear Inference for Scalable Cell-Free Massive MIMO Takumi Takahashi (Osaka Univ.), Hiroki Iimori (JUB), Kengo Ando, Koji Ishibashi (UEC), Shinsuke Ibi (Doshisha Univ), Giuseppe Abreu (JUB) RCS2021-129 |
One of the main challenges in realizing uplink scalable cell-free massive multi-input multi-output (CF-mMIMO) is capacit... [more] |
RCS2021-129 pp.57-62 |
RCS |
2021-10-22 10:50 |
Online |
Online (Online) |
Experimental Study on Tradeoff between Blockage Prediction and Performance of Millimeter-wave Communications with Coordinated Multipoint Transmission Sota Uchimura (UEC), Hiroki Iimori (JUB), Koji Ishibashi (UEC), Takahide Murakami, Hiroyuki Shinbo (KDDI Research, Inc.) RCS2021-133 |
Various blockage prediction methods have been proposed to overcome the vulnerability of millimeter-wave (mmWave) signals... [more] |
RCS2021-133 pp.76-81 |
RCS, SAT (Joint) |
2021-08-27 14:30 |
Online |
Online (Online) |
Antenna Configuration and Robust Receiver Design for Scalable Cell-Free Massive MIMO with Capacity Limited Fronthaul Kengo Ando (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Takumi Takahashi (Osaka Univ), Koji Ishibashi (UEC) RCS2021-114 |
In this paper, we investigate an uplink signal detection problem in scalable cell-free massive multiple input multiple o... [more] |
RCS2021-114 pp.79-84 |
RCS, SAT (Joint) |
2021-08-27 14:55 |
Online |
Online (Online) |
Resource Allocation and Beamforming Design Considering User Fairness for Cell-Free Massive MIMO System with Dynamic TDD Shuto Fukue (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Koji Ishibashi (UEC) RCS2021-115 |
In this paper, we consider a cell-free massive multiple-input multiple-output (MIMO) system, in which uplink and downlin... [more] |
RCS2021-115 pp.85-90 |
RCS, SAT (Joint) |
2021-08-27 15:20 |
Online |
Online (Online) |
Low-Complexity Robust Beamforming Design for Millimeter-Wave Communications with Random Blockage Sota Uchimura (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Koji Ishibashi (UEC) RCS2021-116 |
In this paper, we propose a low-complexity beamforming algorithm for coordinated multi-point (CoMP) millimeter-wave wire... [more] |
RCS2021-116 pp.91-96 |
NS, RCS (Joint) |
2020-12-18 15:00 |
Online |
Online (Online) |
Dynamic TDD Allocation via Fractional Programming for Cell-Free Massive MIMO Systems Shuto Fukue (UEC), Hiroki Iimori, Giuseppe Abreu (Jacobs Univ. Bremen), Koji Ishibashi (UEC) RCS2020-151 |
In this paper, we consider a user-centric spacial resource management problem for cell-free massive MIMO architectures w... [more] |
RCS2020-151 pp.91-96 |
SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-10 15:45 |
Osaka |
I-Site Nanba(Osaka) (Osaka) |
Robust Transmit Beamforming Design via Fractional Programming for Downlink Power-Domain NOMA Systems Hiroki Iimori, Koji Ishibashi (UEC), Giuseppe Abreu (JUB) RCC2019-16 NS2019-49 RCS2019-106 SR2019-25 SeMI2019-25 |
Taking into account imperfect channel state information, we study a robust transmit beamforming design for downlink powe... [more] |
RCC2019-16 NS2019-49 RCS2019-106 SR2019-25 SeMI2019-25 pp.27-32(RCC), pp.37-42(NS), pp.31-36(RCS), pp.37-42(SR), pp.41-46(SeMI) |
RCS |
2017-04-25 09:50 |
Kagawa |
Kotohira Onsen Kotosankaku (Kagawa) |
On Generalized Analysis for Packet Loss Rate of Frameless ALOHA with Multiple Base Station Cooperation Shun Ogata, Koji Ishibashi (The Univ. Electro-Commun.), Giuseppe Abreu (Jacobs Univ. Bremen) RCS2017-17 |
We study frameless ALOHA with multiple base station (BS) cooperation and discuss the performance improvement via the coo... [more] |
RCS2017-17 pp.83-88 |
SR |
2016-01-22 12:55 |
Nagasaki |
Fukue-bunka-kaikan (Nagasaki) |
Outage Probability Analysis of Energy Harvesting Relay Selection Using Channel Distribution Information in Large-Scale Networks Hiroki Kawabata, Koji Ishibashi (Univ. of Electro-Comm.), Satyanarayana Vuppala (Univ. of Edinburgh), Giuseppe Abreu (Jacobs Univ. Bremen) SR2015-84 |
Energy harvesting (EH) cooperative communication has been proposed, which enables the relay to forward the received sign... [more] |
SR2015-84 pp.81-86 |
RCC, ASN, RCS, NS, SR (Joint) |
2015-07-29 13:10 |
Nagano |
JA Naganoken Bldg. (Nagano) |
Optimization of Target Degrees for Frameless ALOHA with Multiple Base Stations Shun Ogata, Koji Ishibashi (The Univ. Electro-Comm.), Giuseppe Abreu (Jacobs Univ. Bremen) RCS2015-100 |
In this paper, we focus on a frameless ALOHA with two base stations (BSs). Frameless ALOHA with multiple BSs can be repr... [more] |
RCS2015-100 pp.1-6 |
SR |
2015-05-29 14:15 |
Hyogo |
Akashi-Sangyou-Koryu-Center (Hyogo) |
Analysis of Energy Harvesting Relay Selection Using Channel Distribution Information Hiroki Kawabata (Univ. of Electro-Comm.), Satyanaranaya Vuppala, Giuseppe Abreu (Jacobs Univ. Bremen), Koji Ishibashi (Univ. of Electro-Comm.) SR2015-14 |
Energy harvesting cooperative communication has been proposed, which enables to relay the received signals while recharg... [more] |
SR2015-14 pp.87-92 |
RCS, SR, SRW (Joint) |
2015-03-04 11:15 |
Tokyo |
Tokyo Institute of Technology (Tokyo) |
Distributed Multi-Dimensional Spatially Coupled Repeat-Accumulate Codes Naoki Takeishi, Koji Ishibashi (The Univ. of Electro-Comm.), Giuseppe Abreu (Jacobs Univ. Bremen) RCS2014-313 |
Coded cooperation has been proposed to simultaneously obtain spatial diversity and coding gain for multiple access chann... [more] |
RCS2014-313 pp.71-76 |
RCS, SR, SRW (Joint) |
2015-03-04 11:40 |
Tokyo |
Tokyo Institute of Technology (Tokyo) |
Target Degree Distribution Optimization Using Density Evolution for Frameless ALOHA Shun Ogata (The Univ. of Electro-Comm,), Giuseppe Abreu (Jacobs Univ. Bremen), Koji Ishibashi (The Univ. of Electro-Comm,) RCS2014-314 |
[more] |
RCS2014-314 pp.77-82 |