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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 83  /  [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.)
(To be available after the conference date) [more]
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
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
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
WBS, MICT 2021-07-30
10:30
Online Online [Poster Presentation] A battery-less wireless vibration and physical shock sensing system using an edge processing for long-term measurements
Zequn Song, Ran Sun, Shigeki Takeda (Ibaraki Univ) WBS2021-23 MICT2021-16
This paper presents an UHF RFID based vibration/shock frequency sensitive tag using a simple tilt/vibration switches. Ph... [more] WBS2021-23 MICT2021-16
pp.7-12
WBS, MICT 2021-07-30
13:00
Online Online [Poster Presentation] 4-level ASK-PPM Turbo Coding System for Optical Wireless Communications
Shotaro Iinuma, Ran Sun, Shigeki Takeda (Ibaraki Univ.) WBS2021-28 MICT2021-21
The conventional modulation schemes of turbo code systems in optical wireless communication, on-off-keying(OOK) and bina... [more] WBS2021-28 MICT2021-21
pp.34-38
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
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
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
RCS 2020-10-22
13:00
Online Online [Invited Lecture] Link outage probability due to atmospheric and rain attenuation in THz-Band outdoor wireless communications
Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) RCS2020-97
 [more] RCS2020-97
pp.30-35
RCS, SR, SRW
(Joint)
2020-03-04
10:15
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
Study on Receive Filter System in Overlap-Windowed-DFTs-OFDM System
Motoki Ishibashi, Masahiro Umehisa, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) SRW2019-64
 [more] SRW2019-64
pp.27-32
RCS, SR, SRW
(Joint)
2020-03-05
14:15
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
Preliminary Study of HPA Linearization System using Look-up Table of HPA Input-Output Characteristics
Akira Tada, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) RCS2019-368
In order to reduce adjacent channel leakage power (ACLP) caused by small output back-off operation of HPA (High Power Am... [more] RCS2019-368
pp.245-249
RCS, SR, SRW
(Joint)
2020-03-06
12:30
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
[Technology Exhibit] Development of FMCW radar using inter-radar interference mitigation techniques to enable dense deployment
Masahiro Umehira, Yuu Watanabe, Takeo Okuda, Shintaro Ishikawa, Daiki Ammen, Shigeki Takeda, Xiaoyan Wang (Ibaraki Univ.) RCS2019-382 SR2019-131 SRW2019-78
 [more] RCS2019-382 SR2019-131 SRW2019-78
p.321(RCS), p.103(SR), p.99(SRW)
SAT, SANE
(Joint)
2020-02-20
10:50
Okinawa   A Proposal of a Novel Narrow band Interference Suppression Scheme using Interference Replica for Automotive FMCW radar
Daiki Ammen, Shintaro Ishikawa, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.), Hiroshi Kuroda (Hitachi Automotive Systems) SANE2019-120
As an automotive FMCW (Frequency Modulated Continuous Wave) radar used for automated driving or ADAS(Advanced Driver Ass... [more] SANE2019-120
pp.119-124
SAT, SANE
(Joint)
2020-02-20
11:15
Okinawa   A Novel Wideband Interference Suppression Technique using Adaptive Suppression Windowing Control for Automotive FMCW Radars.
Takeo Okuda, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.), Hiroshi Kuroda (Hitachi Automotive Systems) SANE2019-121
 [more] SANE2019-121
pp.125-130
 Results 1 - 20 of 83  /  [Next]  
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