Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, SR, SRW (Joint) |
2022-03-04 10:20 |
Online |
Online |
[Encouragement Talk]
A Study on the Possibility of Estimating Multiple Communication Environment Information by Deep Learning Shun Kojima (Utsunomiya Univ.), Kazuki Maruta (Tokyo Tech.), Yi Feng (Aptiv), Takashi Yokota, Kanemitsu Ootsu (Utsunomiya Univ.), Chang-Jun Ahn (Chiba Univ.), Vahid Tarokh (Duke Univ.) RCS2021-285 |
In the next generation mobile radio communication systems, it is essential to obtain the communication environment infor... [more] |
RCS2021-285 pp.164-169 |
RCS |
2021-04-23 09:45 |
Online |
Online |
Improving Classification Accuracy in Multi-User Communication Environment Information Estimation by Machine Learning Shun Kojima (Utsunomiya Univ.), Yi Feng (Duke Univ.), Kazuki Maruta (Tokyo Tech.), Chang-Jun Ahn (Chiba Univ.), Vahid Tarokh (Duke Univ.) RCS2021-10 |
Recently, due to the increasing demand for wireless data traffic, highly efficient multiple access methods such as OFDMA... [more] |
RCS2021-10 pp.42-47 |
SIP, IT, RCS |
2021-01-22 15:15 |
Online |
Online |
A Study on the Possibility of Estimating Multiple Communication Environment Information by Deep Learning Method Using Received Signal Spectrogram Shun Kojima (Chiba Univ.), Kazuki Maruta (Tokyo Tech.), Chang-Jun Ahn (Chiba Univ.) IT2020-97 SIP2020-75 RCS2020-188 |
In the next generation mobile radio communication systems, it is essential to obtain the communication environment infor... [more] |
IT2020-97 SIP2020-75 RCS2020-188 pp.188-193 |
NS, RCS (Joint) |
2020-12-18 15:50 |
Online |
Online |
K-Factor Estimation based on Spectrogram Images by Convolutional Neural Network Shun Kojima, Kosuke Shima (Chiba Univ.), Kazuki Maruta (Tokyo Tech), Chang-Jun Ahn (Chiba Univ.) RCS2020-153 |
In the next generation mobile communications systems, accurate and fast acquisition of the communication environment is ... [more] |
RCS2020-153 pp.103-108 |
SR, NS, SeMI, RCC, RCS (Joint) |
2020-07-08 10:00 |
Online |
Online |
Evaluation of Processing Speed and Throughput in CNN-based Communication Environment Estimation Method using Spectrograms Shun Kojima (Chiba Univ.), Kazuki Maruta (Tokyo Tech), Chang-Jun Ahn (Chiba Univ.) RCS2020-58 |
[more] |
RCS2020-58 pp.1-6 |
RCS |
2020-04-23 11:45 |
Online |
Online |
Deep Learning based Joint SNR and Doppler Shift Detection using Multiuser Spectrogram Shun Kojima (Chiba Univ.), Yi Feng (Duke Univ.), Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.), Vahid Tarokh (Duke Univ.) RCS2020-4 |
[more] |
RCS2020-4 pp.19-24 |
AP, RCS (Joint) |
2019-11-22 09:50 |
Saga |
Saga Univ. |
Improving Time-domain Symbol Spread Blind Adaptive Array Interference Suppression by Principal Component Analysis Kazuki Maruta (Chiba Univ.), Kentaro Nishimori (Niigata Univ.), Chang-Jun Ahn (Chiba Univ.) RCS2019-226 |
We previously proposed a time-domain symbol spreading (TSS) which can expand the operational region of the blind adaptiv... [more] |
RCS2019-226 pp.129-134 |
RCS |
2019-10-24 09:30 |
Kanagawa |
Yokosuka Research Park |
SNR estimation method using convolutional neural network Shun Kojima, Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2019-178 |
[more] |
RCS2019-178 pp.1-6 |
RCS |
2019-10-25 14:35 |
Kanagawa |
Yokosuka Research Park |
[Invited Lecture]
M-QAM Adaptation by Semi-Blind Multi Modulus Algorithm and MMSE-SMI for Multicell Massive MIMO Systems Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2019-199 |
This paper expands our previously proposed semi-blind uplink interference suppression scheme on multicell multiuser mass... [more] |
RCS2019-199 pp.115-120 |
MIKA (2nd) |
2019-10-03 13:05 |
Hokkaido |
Hokkaido Univ. |
[Invited Lecture]
Deep Learning Based Communication Environment Estimation Using Received Signals Kazuki Maruta, Shun Kojima, Chang-Jun Ahn (Chiba Univ.) |
The performance of wireless communication greatly depends on the propagation environment.
Adaptive modulation and codi... [more] |
|
CQ (2nd) |
2019-09-05 10:40 |
Tokyo |
Inter-University Seminar House |
[Poster Presentation]
The estimation method of SNR and Doppler frequency by convolutional neural network using spectrogram Shun Kojima, Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) |
[more] |
|
SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-11 10:40 |
Osaka |
I-Site Nanba(Osaka) |
[Poster Presentation]
Blind SIR Estimation by Deep Learning Using Visualized Wireless Signal Information Kazuki Maruta, Shun Kojima (Chiba Univ.), Yu Nakayama (TUAT), Daisuke Hisano (Osaka Univ.), Chang-Jun Ahn (Chiba Univ.) RCC2019-27 NS2019-63 RCS2019-120 SR2019-39 SeMI2019-36 |
This article proposes the blind interference estimation via deep learning approach exploiting the visualized wireless si... [more] |
RCC2019-27 NS2019-63 RCS2019-120 SR2019-39 SeMI2019-36 pp.85-86(RCC), pp.111-112(NS), pp.107-108(RCS), pp.117-118(SR), pp.99-100(SeMI) |
SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-11 13:30 |
Osaka |
I-Site Nanba(Osaka) |
SNR estimation method using convolutional neural network Shun Kojima, Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCC2019-38 NS2019-74 RCS2019-131 SR2019-50 SeMI2019-47 |
This paper proposes a novel Adaptive Modulation and Coding (AMC) scheme enabled by Convolutional Neural Network (CNN) ai... [more] |
RCC2019-38 NS2019-74 RCS2019-131 SR2019-50 SeMI2019-47 pp.127-132(RCC), pp.153-158(NS), pp.149-154(RCS), pp.159-164(SR), pp.141-146(SeMI) |
RCS |
2019-06-21 11:40 |
Okinawa |
Miyakojima Hirara Port Terminal Building |
SNR Estimation by using Neural Network in Adaptive Modulation and Coding Shun Kojima, Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2019-94 |
This paper proposes a novel Adaptive Modulation and Coding (AMC) scheme enabled by Artificial
Neural Network (ANN) aide... [more] |
RCS2019-94 pp.333-338 |
RCS, SR, SRW (Joint) |
2019-03-06 14:35 |
Kanagawa |
YRP |
[Invited Lecture]
Blind Adaptive Array with Time-Domain Symbol Spreading Kazuki Maruta (Chiba Univ.), Kentaro Nishimori (Niigata Univ.), Yu Nakayama (Aoyama Gakuin Univ.), Chang-Jun Ahn (Chiba Univ.) RCS2018-296 |
This paper proposes a time-domain symbol spreading (TSS) to expand the operational region of the blind adaptive array in... [more] |
RCS2018-296 pp.77-82 |
RCS |
2018-10-19 09:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Adaptive Switching Method with AMC and FSS Shun Kojima, Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2018-164 |
In recent years, it is required to realize higher speed and higher quality mobile communication due to the increase in I... [more] |
RCS2018-164 pp.71-76 |
RCS |
2018-10-19 10:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Vehicle-to-Pedestrian Connectivity on High Frequency Band Vehicle-Installed Access Points for Adaptive Mobile Network Kazuki Maruta (Chiba Univ.), Yu Nakayama (Aoyama Gakuin Univ.), Kazuaki Honda (Keio Univ.), Daisuke Hisano (Osaka Univ.), Ken Tanaka (neko 9 Lab.), Chang-Jun Ahn (Chiba Univ.) RCS2018-167 |
We previously conceived a concept of adaptive mobile network to track the demand traffic fluctuation via vehicle-install... [more] |
RCS2018-167 pp.89-94 |
RCS |
2018-10-19 15:55 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Encouragement Talk]
Interference Suppression Schemes for Pilot Decontamination on Multicell Massive MIMO Systems Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2018-177 |
This paper presents interference suppression performance of our proposed semi-blind uplink interference suppression sche... [more] |
RCS2018-177 pp.143-148 |
CQ |
2018-05-31 16:40 |
Chiba |
Chiba Univ. Nishi-Chiba Campus, academic link center |
[Invited Talk]
Blind Interference Suppression on Adaptive Arrays: Comparisons and Applications for Spectrum Sharing Kazuki Maruta (Chiba Univ.), Kentaro Nishimori (Niigata Univ.), Chang-Jun Ahn (Chiba Univ.) CQ2018-22 |
This paper presents performance comparison of interference suppression on blind adaptive array algorithms. Co-channel in... [more] |
CQ2018-22 pp.25-30 |
CS, CAS |
2018-03-13 16:20 |
Fukuoka |
Nishijin Plaza, Kyushu University |
Stabilized Interference Suppression by Initial Antenna Selection for CMA/MMA Adaptive Array over Fading Channel Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) CAS2017-160 CS2017-114 |
This paper proposes an initial antenna selection for constant modulus-based blind interference suppression algorithms to... [more] |
CAS2017-160 CS2017-114 pp.151-155 |