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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 84  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CCS, NLP 2022-06-10
17:10
Osaka
(Primary: On-site, Secondary: Online)
Application of pairing optimization algorithm to non-orthogonal multiple access
Naoki Fujita, Andre Roehm, Takatomo Mihana, Ryoichi Horisaki (The Univ. of Tokyo), Aohan Li (The Univ. of Electro-Communications), Mikio Hasegawa (Tokyo Univ. of Science), Makoto Naruse (The Univ. of Tokyo) NLP2022-25 CCS2022-25
Non-Orthogonal Multiple Access (NOMA) is a promising next-generation communication technology that enables multiple term... [more] NLP2022-25 CCS2022-25
pp.129-134
MBE, NC
(Joint)
2022-03-02
16:10
Online Online XMCD-CT Reconstruction Using Compressed Sensing
Tsukito Takizawa, Hayaru Shouno (The Univ. of Electro-Communications), Masaichiro Mizumaki (JASRI), Motohiro Suzuki (Kwansei Gakuin Univ.) NC2021-58
Observation of the magnetic domain structure is important for understanding the magnetic properties of materials includi... [more] NC2021-58
pp.62-67
NLP, MICT, MBE, NC
(Joint) [detail]
2022-01-23
11:45
Online Online Adversarial Training with Knowledge Distillation considering Intermediate Feature Representation in CNNs
Hikaru Higuchi (The Univ. of Electro-Communications), Satoshi Suzuki (former NTT), Hayaru Shouno (The Univ. of Electro-Communications) NC2021-44
Adversarial examples are one of the vulnerability attacks to the convolution neural network (CNN). The adversarialexampl... [more] NC2021-44
pp.59-64
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
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
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
RCS 2019-06-21
15:00
Okinawa Miyakojima Hirara Port Terminal Building Channel Estimation and Data Detection for Grant-Free Multiple Access Using Vector Approximate Message Passing
Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) RCS2019-96
In this paper, we propose joint channel estimation (CE) and multiuser detection (MUD) for the grant-free non-orthogonal ... [more] RCS2019-96
pp.347-352
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