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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 148  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SANE 2022-08-19
09:30
Hokkaido  
(Primary: On-site, Secondary: Online)
Impact of hardware imperfections in Chirp Sequence radar using inter-radar interference suppression
Takahiro Maruyama (Ibaraki Univ), Masahiro Umehira (Nanzan Univ), Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ)
 [more]
SANE 2022-08-19
10:20
Hokkaido  
(Primary: On-site, Secondary: Online)
SNR improvement scheme using adaptive wideband interference suppression in CS radar
Takuto Shimura (Ibaraki Univ.), Masahiro Umehira (Ibaraki Univ./Nanzan Univ.), Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.)
 [more]
NS, SR, RCS, SeMI, RCC
(Joint)
2022-07-15
13:30
Ishikawa The Kanazawa Theatre + Online
(Primary: On-site, Secondary: Online)
[Short Paper] Evaluations on RNN-based interference suppression method for CS radar
Ryoto Koizumi, Xiaoyan Wang (Ibaraki Univ.), Masahiro Umehira (Nanzan Univ.), Shigeki Takeda (Ibaraki Univ.) SR2022-39
(To be available after the conference date) [more] SR2022-39
pp.84-86
NS, SR, RCS, SeMI, RCC
(Joint)
2022-07-15
13:45
Ishikawa The Kanazawa Theatre + Online
(Primary: On-site, Secondary: Online)
[Short Paper] Deep reinforcement learning based analog beamforming for mobile user
hang zhou, Xiaoyan Wang (Ibaraki Univ.), masahiro umehira (Nanzan Univ.), yusheng ji (NII) SR2022-40
 [more] SR2022-40
pp.87-89
SAT, SANE
(Joint)
2022-02-25
15:35
Online Online A Novel Chirp Sequence Radar using Inter-radar Interference Suppression for Spectrum Efficiency Enhancement
Takahiro Maruyama, Masahiro Umehira, Yuu Watanabe, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) SANE2021-103
 [more] SANE2021-103
pp.31-36
SR 2022-01-24
17:00
Online Online [Short Paper] Deep reinforcement learning based secondary user transmit power control for cognitive radio networks
Kouhei Katou, Xiaoyan Wang, Masahiro Umehira (Ibaraki Univ) SR2021-66
 [more] SR2021-66
pp.37-39
SR 2022-01-24
17:15
Online Online [Short Paper] Deep Reinforcement learning based analog beamforming in cellular network
Hang Zhou, Xiaoyan Wang, Masahiro Umehira (ibaraki Univ.) SR2021-67
 [more] SR2021-67
pp.40-42
SANE 2021-12-16
15:25
Chiba Chiba University
(Primary: On-site, Secondary: Online)
An Interpolation-based Vehicular Speed Measurement Technique for Chirp Sequence Radar using Narrowband Interference Canceller
Takahiro Maruyama (Ibaraki Univ), Masahiro Umehira (Nanzan Univ), Watanabe Yu, Takeda Shigeki, Wang Xiaoyan (Ibaraki Univ) SANE2021-77
 [more] SANE2021-77
pp.79-84
SANE 2021-12-16
16:05
Chiba Chiba University
(Primary: On-site, Secondary: Online)
Impact of short range interference on automotive FMCW radar using iterative interference reduction scheme and its countermeasures
Akari Sakatani, Takuto Shimura (Ibaraki Univ.), Masahiro Umehira (Ibaraki Univ./Nanzan Univ.), Yuu Watanabe, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) SANE2021-79
Wide deployment of FMCW (Frequency Modulated Continuous Wave) radar causes inter-radar interference which results in mis... [more] SANE2021-79
pp.90-95
SANE 2021-12-16
17:15
Chiba Chiba University
(Primary: On-site, Secondary: Online)
A Wideband Interference Suppression Scheme for FMCW Radar using Envelope Detection and Sorting based Interference Detection Threshold Control
Takuto Shimura (Ibaraki Univ.), Masahiro Umehira (Ibaraki Univ./Nanzan Univ.), Yuu Watanabe, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) SANE2021-82
Dense deployment of automotive FMCW radars will cause serious inter-radar interference which results in miss-detection o... [more] SANE2021-82
pp.107-112
SRW, SeMI, CNR
(Joint)
2021-11-25
09:30
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
A Proposal of Deep Reinforcement Learning based Spectrum Access Method
Yuto Teraki, Xiaoyan Wang (Ibaraki Univ.), Masahiro Umehira (Nanzan Univ.) SRW2021-29
In the Internet of Things (IoT), the shortage of frequency resources becomes a problem when many devices communicate at ... [more] SRW2021-29
pp.1-6
AP, RCS
(Joint)
2021-11-10
10:25
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
Spectrum Efficiency Improvement of DPD based Linearizer using Operation Point Estimation Pilot Signal
Atsushi Masubuchi (Ibaraki Univ.), Masahiro Umehira (Nanzan Univ.), Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) RCS2021-143
 [more] RCS2021-143
pp.1-6
MIKA
(3rd)
2021-10-29
10:30
Okinawa
(Primary: On-site, Secondary: Online)
[Poster Presentation] Performance Evaluation of DPD based Linearizer using Operation Point Estimation Pilot Signal for Multi-level Modulation Signals
Atsushi Masubuchi (Ibaraki Univ.), Masahiro Umehira (Nanzan Univ.), Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.)
 [more]
SRW 2021-08-24
10:00
Online Online Design of Multi-carrier Pilot Signals for Operation Point Estimation in Digital Pre-Distortion based Linearizer
Atushi Masubuchi, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) SRW2021-13
Mobile terminal is required to improve the power utilization efficiency of HPA (High Power Amplifier) because of the inc... [more] SRW2021-13
pp.1-6
RCS, SR, SRW
(Joint)
2021-03-04
10:30
Online Online Performance Evaluation of Digital Pre-Distortion based Linearizer using Operation Point Estimation Pilot for Mobile Terminal in Non-linear HPA with AM/AM and AM/PM Characteristics
Atsushi Masubuchi, Akira Tada, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) SRW2020-59
With the increase in uplink speeds and the use of millimeter wave bands, it is required to futher improve the power util... [more] SRW2020-59
pp.29-34
RCS, SR, SRW
(Joint)
2021-03-05
14:00
Online Online [Special Invited Talk] Present, Past and Future of Wireless Systems -- Looking back the half century with radio --
Masahiro Umehira (Ibaraki Univ.) RCS2020-259 SR2020-86 SRW2020-79
Just a few special people used wireless systems half century ago, however wireless systems such as mobile communications... [more] RCS2020-259 SR2020-86 SRW2020-79
p.260(RCS), p.84(SR), p.96(SRW)
SANE 2021-01-28
15:45
Online Online A Proposal of an Advanced Chirp Sequence Radar using Narrowband Interference Canceller
Daiki Ammen, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) SANE2020-43
A chirp sequence radar is promising for automotive applications for an automated driving car and advanced driver assista... [more] SANE2020-43
pp.32-37
SR 2021-01-26
10:50
Online Online An radio access control mechanism based on deep reinforcement learning
Hang Zhou, Xiaoyan Wang, Masahiro Umehira (Ibaraki Univ.) SR2020-56
 [more] SR2020-56
pp.52-59
SR 2021-01-26
11:15
Online Online Reinforcement Learning based Joint Channel/Subframe Selection Scheme for Fair LTE-WiFi Coexistence
Yuki Kishimoto, Xiaoyan Wang, Masahiro Umehira (Ibaraki Univ.) SR2020-57
In recent years, there has been an increasing demand for high-speed and large-capacity mobile communications. To deal wi... [more] SR2020-57
pp.60-66
SIP, IT, RCS 2021-01-22
11:05
Online Online Design and performance of receiving filter system for Overlap-Windowed-DFTs-OFDM with overlap FFT filter bank
Motoki Ishibashi, Masahiro Umehira, Wang Xiaoyan, Shigeki Takeda (Ibraki Univ.) IT2020-88 SIP2020-66 RCS2020-179
 [more] IT2020-88 SIP2020-66 RCS2020-179
pp.136-141
 Results 1 - 20 of 148  /  [Next]  
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