Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, SIP, IT |
2022-01-21 11:20 |
Online |
Online |
Compensation of Transmitter Memory Nonlinearity by Post-Reception Blind Nonlinear Compensator Yasushi Yamao, Tetsuki Taniguchi, Hiroki Ito (UEC) IT2021-75 SIP2021-83 RCS2021-243 |
High-accuracy wideband signal transmission is essential for 5G and Beyond wireless communication systems. Memory nonline... [more] |
IT2021-75 SIP2021-83 RCS2021-243 pp.264-269 |
OFT |
2021-10-14 10:30 |
Online |
Online |
[Poster Presentation]
Fabrication and waveguide analysis of polymer optical fibers doped with phthalocyanine derivatives. Takahiro Shigeyama, Rei Furukawa (Univ. of Electro-Communications) OFT2021-30 |
Polymer optical fiber (POF) can be heat-drawn at a temperature as low as not to be destroying the dopants added in the h... [more] |
OFT2021-30 pp.35-38 |
RCS |
2021-06-25 13:10 |
Online |
Online |
Multiple Measurement Vector Approximate Message Passing Without Prior Information of Channels for Grant-Free Non-Orthogonal Multiple Access Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) RCS2021-71 |
To accommodate a large number of users efficiently, grant-free non-orthogonal multiple access (GF-NOMA) has gained much ... [more] |
RCS2021-71 pp.243-248 |
WBS, IT, ISEC |
2021-03-05 09:00 |
Online |
Online |
Relationships among Security Notions and Lower Bounds on Tags in Anonymous Broadcast Authentication Hirokazu Kobayashi (Yokohama National Univ..), Yohei Watanabe (The Univ. of Electro-Communications/AIST), Junji Shikata (Yokohama National Univ..) IT2020-143 ISEC2020-73 WBS2020-62 |
Watanabe et al. (SCIS2021) proposed Anonymous Broadcast Authentication (ABA) as a cryptographic primitive for remote con... [more] |
IT2020-143 ISEC2020-73 WBS2020-62 pp.187-194 |
NS, RCS (Joint) |
2020-12-17 11:00 |
Online |
Online |
[Encouragement Talk]
Massive Grant-Free Non-Orthogonal Multiple Access Utilizing Time and Frequency Spreading Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) RCS2020-134 |
To accommodate a large number of users efficiently, grant-free non-orthogonal multiple access (GF-NOMA) has gained much ... [more] |
RCS2020-134 pp.1-6 |
NS, RCS (Joint) |
2020-12-17 11:50 |
Online |
Online |
Improvement of EVM for Downlink NOMA with Blind Nonlinear Compensation Scheme in Frequency Selective Channel Jun Nagai, Yasushi Yamao, Koji Ishibashi (Univ. of Electro-Communications) RCS2020-136 |
In 5th generation mobile communication system (5G) and beyond, non-orthogonal multiple access (NOMA) has been studied to... [more] |
RCS2020-136 pp.13-18 |
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 |
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 |
RCS |
2020-04-23 - 2020-04-24 |
Online |
Online |
Generalization of Performance Analysis on OFDM Pilot-Aided Ambient Backscatter Communications Takanori Hara, Ryuhei Takahashi, Koji Ishibashi (The Univ. of Electro-Communications) RCS2020-9 |
As a promising scheme to transmit the information with ultra-low-power, ambient backscatter communication (AmBC) exploit... [more] |
RCS2020-9 pp.49-54 |
RCS, SR, SRW (Joint) |
2020-03-04 10:55 |
Tokyo |
Tokyo Institute of Technology (Cancelled but technical report was issued) |
Transmission Efficiency of Uplink Grant-Free Non-Orthogonal Multiple Access Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) RCS2019-325 |
To accommodate a large number of users efficiently, grant-free non-orthogonal multiple access (GF-NOMA) has gained much ... [more] |
RCS2019-325 pp.31-36 |
EMCJ, IEE-EMC |
2020-01-24 10:05 |
Ehime |
|
Analysis of Transmission Characteristics of Differential Transmission Line Loaded with Near-field Noise Suppression Device Kimitoshi Murano (Tokai Univ.), Yoshio Kami (The Univ. of Electro-Communications), Youji Kotsuka (Tokai Univ.) EMCJ2019-81 |
An analysis method of differential transmission line loaded with a near-field noise suppression device (NSD) is describe... [more] |
EMCJ2019-81 pp.1-4 |
IT, SIP, RCS |
2020-01-24 16:40 |
Hiroshima |
Hiroshima City Youth Center |
Active User Detection for Uplink Grant-Free Non-Orthogonal Multiple Access in The Presence of Carrier Frequency Offsets Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) IT2019-89 SIP2019-102 RCS2019-319 |
Practically, it is significantly difficult to assume that carrier frequencies are ideally synchronized among users, and ... [more] |
IT2019-89 SIP2019-102 RCS2019-319 pp.313-317 |
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 |
AP, RCS (Joint) |
2019-11-20 13:35 |
Saga |
Saga Univ. |
A Study on Low-Complexity Data Detection for Grant-Free Non-Orthogonal Multiple Access Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) RCS2019-211 |
As a scheme to accommodate a large number of users efficiently, the grant-free non-orthogonal multiple access (GF-NOMA) ... [more] |
RCS2019-211 pp.49-54 |
RCS |
2019-10-24 09:55 |
Kanagawa |
Yokosuka Research Park |
Theoretical Analysis on Grant-Free Non-Orthogonal Multiple Access Using Vector Approximate Message Passing Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) RCS2019-179 |
As a scheme to accommodate a large number of users efficiently, the grant-free non-orthogonal multiple
access (GF-NOMA)... [more] |
RCS2019-179 pp.7-12 |
MIKA (2nd) |
2019-10-04 11:15 |
Hokkaido |
Hokkaido Univ. |
[Invited Lecture]
Grant-Free Non-Orthogonal Multiple Access: Random Access in An Era of Internet-of-Things Koji Ishibashi (Univ. of Electro-Communications) |
[more] |
|
RCS, SAT (Joint) |
2019-08-22 09:50 |
Aichi |
Nagoya University |
Generalized Boosted Approximate Message Passing for Uplink Grant-Free Non-Orthogonal Multiple Access Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) RCS2019-148 |
In this paper, we propose low complexity active user detection (AUD), channel estimation (CE), and multiuser detection (... [more] |
RCS2019-148 pp.13-18 |
SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-10 16:10 |
Osaka |
I-Site Nanba(Osaka) |
Boosted Approximate Message Passing for Uplink Grant-Free Non-Orthogonal Multiple Access Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) RCC2019-17 NS2019-50 RCS2019-107 SR2019-26 SeMI2019-26 |
In this paper, we propose low complexity active user detection (AUD), channel estimation (CE), and multiuser detection (... [more] |
RCC2019-17 NS2019-50 RCS2019-107 SR2019-26 SeMI2019-26 pp.33-38(RCC), pp.43-48(NS), pp.37-42(RCS), pp.43-48(SR), pp.47-52(SeMI) |
RCS |
2019-06-21 10:20 |
Okinawa |
Miyakojima Hirara Port Terminal Building |
A Study on Energy-Efficient Design of Irregular Repetition Slotted ALOHA with Stochastic Power Control Ryo Okabe, Masaru Oinaga, Shun Ogata, Koji Ishibashi (The Univ. of Electro-Communications) RCS2019-87 |
Irregular repetition slotted ALOHA based on non-orthogonal multiple acces (IRSA-NOMA) utilizes stochastic power control ... [more] |
RCS2019-87 pp.291-296 |
RCS |
2019-06-21 10:30 |
Okinawa |
Miyakojima Hirara Port Terminal Building |
A Study on Age-of-Information Minimization in Two-User Multiple Access Channel with Energy Harvesting Naoya Hirosawa, Koji Ishibashi (The Univ. of Electro-Communications) RCS2019-88 |
In this paper, two-user multiple access channel is investigated where users, namely sensor nodes (SNs), transmit their d... [more] |
RCS2019-88 pp.297-302 |