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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 127  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SRW, SeMI, CNR
(Joint)
2020-11-27
11:10
Online Online [Invited Lecture] Evaluation of V2V Communications in Platoon using Directional Antenna
Diquan Wang (Hi-Think), Xiaoyan Wang, Masahiro Umehira (Ibaraki U.)
 [more]
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.)
 [more]
SRW 2020-08-25
10:40
Online Video Conf. [Short Paper] Worst-Month Statistics of Outage Probability in THz-Band Wireless Communication Systems
Yuki Hatahara, Masahiro Umehira, Xiaoyan Wang (Ibaraki Univ.) SRW2020-20
Very wide spectrum is available in THz-band for over 100Gbps ultra-broadband wireless communications, however THz-band o... [more] SRW2020-20
pp.57-58
RCS, SR, SRW
(Joint)
2020-03-05
09:25
Tokyo Tokyo Institute of Technology Deep reinforcement learning based access control scheme for radio access networks
Hang Zhou, Xiaoyan Wang, Masahiro Umehira (Ibaraki Univ.) SR2019-123
After a disaster occurred, it is extremely important to reconstruct the network and provide the communication services t... [more] SR2019-123
pp.59-64
RCS, SR, SRW
(Joint)
2020-03-05
09:50
Tokyo Tokyo Institute of Technology Reinforcement learning based channel selection scheme for WiFi-LTE coexistence in unlicensed spectrum
Yuki Kishimoto, Xiaoyan Wang, Masahiro Umehira (Ibaraki Univ.) SR2019-124
In recent years, with the rapid increase in mobile traffic, there is an increasing demand of wider bandwidth for mobile ... [more] SR2019-124
pp.65-70
RCS, SR, SRW
(Joint)
2020-03-05
14:15
Tokyo Tokyo Institute of Technology 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 [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
SRW, SeMI, CNR
(Joint)
2019-11-06
09:20
Tokyo Kozo Keisaku Engineering Inc. Preliminary Experiments for Drone-based Wireless Sensor Network using 2.4 GHz Zigbee Devices
Budi Rahmadya, Masahiro Umehira, Xiaoyan Wang (Ibaraki Univ.) SRW2019-27
 [more] SRW2019-27
pp.27-31
MIKA
(2nd)
2019-10-03
11:15
Hokkaido Hokkaido Univ. [Poster Presentation] A Link Outage Probability Calculation Method for THz-Band Wireless Communication Systems using Approximate Distribution Model of Atmosphere and Rain
Yuki Hatahara, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.)
 [more]
ICM 2019-07-12
11:35
Hokkaido   [Invited Talk] Incentivizing Crowdsourcing for Spectrum Sharing System
Xiaoyan Wang (Ibaraki Univ.), Masahiro Umehira, Ji Yusheng (NII) ICM2019-20
 [more] ICM2019-20
pp.83-88
SRW 2019-06-10
10:50
Kanagawa Anritsu Impact of phase noise on transmission performance of Sub-THz band ultra-broadband wireless communications
Akira Tada, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) SRW2019-5
100Gbps ultra-broadband wireless communications using sub-THz band such as 275GHz band has been drawing a great deal of ... [more] SRW2019-5
pp.23-27
SRW 2019-06-10
14:20
Kanagawa Anritsu [Invited Talk] Research and Development of Autonomous and Distributed Multiple Access FMCW Radar Enabling Densely Deployed Use
Masahiro Umehira, Shigeki Takeda, Xiaoyan Wang (Ibaraki Univ.), Hiroshi Kuroda (Hitachi AMS) SRW2019-10
 [more] SRW2019-10
p.53
SR 2019-05-31
10:00
Tokyo Tokyo Big Sight [Technology Exhibit] Development and demonstration of FMCW radar to mitigate inter-radar interference
Takeo Okuda, Shintaro Ishikawa, Daiki Ammen, Masahiro Umehira, Shigeki Takeda, Xiaoyan Wang (Ibaraki Univ.), Hiroshi Kuroda (Hitachi AMS) SR2019-17
As FMCW radars will be densely deployed in future, inter-radar interference will cause miss-detection of the target due ... [more] SR2019-17
p.105
RCS 2019-04-19
12:10
Hokkaido Noboribetsu Grand Hotel ACLP Reduction Performance for OFDM and DFTs-OFDM signals in HPA Linearization System
Masahiro Umehira, Yuto Sugano, Takuya Okamoto, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) RCS2019-19
 [more] RCS2019-19
pp.91-96
RCS, SR, SRW
(Joint)
2019-03-06
15:00
Kanagawa YRP Radio Environment Mapping by using Machine Learning
Mina Akimoto, Xiaoyan Wang, Masahiro Umehira (Ibaraki Univ.) SR2018-126
Accurate and cost-efficient radio environment mapping (REM) is of great importance to realize dynamic spectrum sharing. ... [more] SR2018-126
pp.37-42
RCS, SR, SRW
(Joint)
2019-03-06
14:35
Kanagawa YRP A Proposal of Overlap-Windowed-OQAM-DFTs-OFDM Scheme to Achieve Low PAPR and ACLP
Mizuki Imai, Okamoto Takuya, Okano Takahiro, Masahiro Umehira, Xiaoyan Wang (Ibaraki Univ.) SRW2018-57
IoT(Internet of Things) service supported by mMTC(massive Machine Type Communications) is one of the promising services ... [more] SRW2018-57
pp.13-18
RCS, SR, SRW
(Joint)
2019-03-07
09:50
Kanagawa YRP Design and Performance of Packet-based CSMA FMCW Radar to Avoid Narrowband Interefrence
Shintaro Ishikawa, Mikihiro Kurosawa, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.), Hiroshi Kuroda (Hitachi Automotive Systems) RCS2018-304
 [more] RCS2018-304
pp.123-128
RCS, SR, SRW
(Joint)
2019-03-07
10:55
Kanagawa YRP Impact of Atmospheric and Rain Attenuation on Outage Probability in THz-Band Wireless Communication Systems
Yuki Hatahara, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) SRW2018-63
Very wide spectrum is available in THz-band for over 100Gbps ultra-broadband wireless communications, however THz-band o... [more] SRW2018-63
pp.35-40
 Results 1 - 20 of 127  /  [Next]  
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