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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 20  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
SAT, RCS
(Joint)
2022-08-26
10:15
Hokkaido
(Primary: On-site, Secondary: Online)
Robust Beamforming Design for Millimeter-Wave OFDM transmission with Random Blockage
Sota Uchimura, Hiroki Iimori (UEC), Giuseppe Abreu (JUB), Koji Ishibashi (UEC)
 [more]
RCS 2022-06-17
09:20
Okinawa University of the Ryukyus, Senbaru Campus and online
(Primary: On-site, Secondary: Online)
A Study on Indoor Location Estimation Based on Complex-Domain Super MDS Method Using Time Series Information
Yuya Nishi, Takumi Takahashi (Osaka univ.), Hiroki Iimori, Giuseppe Abreu (JUB), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka univ.) RCS2022-55
As sensor terminals become smaller, more energy-efficient, and more multi-functional, wireless communication networks ar... [more] RCS2022-55
pp.182-187
RCS 2021-10-21
10:25
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 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 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 [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 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 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 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 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
RCS, SAT
(Joint)
2021-08-27
15:45
Online Online Low Latency Beam-Sweeping for Millimeter-Wave Partially Connected Arrays
Andre Saito Guerreiro (UEC), Hiroki Iimori (JUB), Koji Ishibashi (UEC) RCS2021-117
Millimeter-wave communication has been widely studied due to its potential to attain higher data rates by providing a si... [more] RCS2021-117
pp.97-102
RCS 2021-06-25
13:35
Online Online Tensor-aided Beamforming Design for Full Duplex Cell-Free MIMO
Kengo Ando (UEC), Hiroki Iimori (JUB), Koji Ishibashi (UEC), Giuseppe Abreu (JUB) RCS2021-72
In this paper, we investigate a transmit (TX) and receive (RX) beamforming (BF) design for full-duplex cell-free multipl... [more] RCS2021-72
pp.249-254
RCS, SR, SRW
(Joint)
2021-03-05
11:20
Online Online Tensor-aided Beamforming Design for Cell-Free MIMO
Kengo Ando (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Koji Ishibashi (UEC) RCS2020-257
In this paper, we investigate a transmit (TX) and receive (RX) beamforming (BF) design for cell free multiple input mult... [more] RCS2020-257
pp.252-257
SAT, RCS
(Joint)
2020-08-21
09:50
Online Online A Study on Robust Beamforming Design for Millimeter-Wave Communications with Stochastic Blockages
Ryo Okabe (The Univ. of Electro-Communications), Hiroki Iimori (JUB), Koji Ishibashi (The Univ. of Electro-Communications) RCS2020-84
 [more] RCS2020-84
pp.29-34
RCS 2020-04-23
- 2020-04-24
Online Online Discreteness Aware Receiver Design and Antenna Configuration for Distributed MIMO
Kengo Ando (The Univ. Electro-Communications), Hiroki Iimori (JUB), Koji Ishibashi (The Univ. Electro-Communications), Giuseppe Abreu (JUB) RCS2020-7
In this paper, we investigate a receiver design for uplink distributed-MIMO networks composed of a common central base s... [more] RCS2020-7
pp.37-42
RCS 2020-04-23
- 2020-04-24
Online Online Optimal Transmission Strategy Realizing Minimum Age-of-Information of Energy Harvesting Users over Multiple-Access Channels
Naoya Hirosawa (The Univ. Electro-Communications), Hiroki Iimori (JUB), Koji Ishibashi (The Univ. Electro-Communications), Giuseppe Abreu (JUB) RCS2020-8
In this paper, we study a sensor network composed of multiple energy harvesting nodes being capable of collecting energy... [more] RCS2020-8
pp.43-48
SeMI, RCS, NS, SR, RCC
(Joint)
2019-07-10
15:45
Osaka I-Site Nanba(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)
TL 2009-06-18
13:30
Tokyo   A Corpus for Readability Measurement for Non-Native Learners of Japanese
Kristina Hmeljak Sangawa (Univ. of Ljubljana.) TL2009-4
Reading is one of the bases of second language learning, and it can be most effective when the text being read is of the... [more] TL2009-4
pp.19-24
TL 2008-05-23
10:30
Tokyo Tokyo Univ. of Tech. A Low Cost Approach to Building a Japanese-Slovene Parallel Corpus
Kristina Hmeljak Sangawa (Lj. Univ.), Tomaz Erjavec (Jozef Stefan Institute) TL2008-2
Since resources for the increasing number of Japanese language learners in Slovenia are still scarce, a Japanese-Slovene... [more] TL2008-2
pp.7-10
TL 2007-11-16
15:50
Tokyo Waseda Univ. Suppositional adverbs modality in written and spoken corpora from the Japanese learning perspective
Irena Srdanovic Erjavec (TokyoTech), Andrej Bekes (Ljubljana Univ.), Kikuko Nishina (TokyoTech)
(Advance abstract in Japanese is available) [more]
 Results 1 - 20 of 20  /   
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