Masahiro Umehira: search on Z-Library

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1

[IEEE 2019 20th International Radar Symposium (IRS) - Ulm, Germany (2019.6.26-2019.6.28)] 2019 20th International Radar Symposium (IRS) - Inter-Radar Interference Analysis and Concept of Scalable Fast Chirp FMCW Radar for Automotive Applications

Umehira, Masahiro, Makino, Yuya, Okuda, Takeo, Wang, Xiaoyan, Takeda, Shigeki, Kuroda, Hiroshi

Year:

2019

Language:

english

File:

PDF, 104 KB

english, 2019

2

[IEEE ICC 2019 - 2019 IEEE International Conference on Communications (ICC) - Shanghai, China (2019.5.20-2019.5.24)] ICC 2019 - 2019 IEEE International Conference on Communications (ICC) - Online Incentive Mechanism for Crowdsourced Radio Environment Map Construction

Wang, Xiaoyan, Umehira, Masahiro, Han, Biao, Li, Peng, Gu, Yu, Wu, Celimuge

Year:

2019

Language:

english

File:

PDF, 186 KB

english, 2019

3

[IEEE 2019 20th International Radar Symposium (IRS) - Ulm, Germany (2019.6.26-2019.6.28)] 2019 20th International Radar Symposium (IRS) - Inter-Radar Interference Analysis and Concept of Scalable Fast Chirp FMCW Radar for Automotive Applications

Umehira, Masahiro, Makino, Yuya, Okuda, Takeo, Wang, Xiaoyan, Takeda, Shigeki, Kuroda, Hiroshi

Year:

2019

File:

PDF, 104 KB

2019

4

On-board digital signal processing technologies for present and future SCPC systems

Huzo Kato, Kohichi Ohtani, Takehru Kohri, Masahiro Morikura, Masahiro Umehira, Shuji Kubota

Journal:

International Journal of Satellite Communications and Networking

Year:

1988

Language:

english

File:

PDF, 1.17 MB

english, 1988

5

[IEEE 2007 IEEE 65th Vehicular Technology Conference - Dublin, Ireland (2007.04.22-2007.04.25)] 2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring - Concept and Feasibility Study of Wide Area Ubiquitous Network for Sensors and Actuators

Umehira, Masahiro, Saito, Hiroshi, Kagami, Osamu, Fujita, Takafumi, Fujino, Yosuke

Year:

2007

Language:

english

File:

PDF, 381 KB

english, 2007

6

Error correction and error detection techniques for wireless ATM systems

Satoru Aikawa, Yasushi Motoyama, Masahiro Umehira

Journal:

Wireless Networks

Year:

1997

Language:

english

File:

PDF, 315 KB

english, 1997

7

[IEEE 2010 IEEE 71st Vehicular Technology Conference - Taipei, Taiwan (2010.05.16-2010.05.19)] 2010 IEEE 71st Vehicular Technology Conference - Impulse Response Model and Parameters for Indoor Channel Modeling at 60GHz

Sawada, Hirokazu, Nakase, Hiroyuki, Kato, Shuzo, Umehira, Masahiro, Sato, Katsuyoshi, Harada, Hiroshi

Year:

2010

Language:

english

File:

PDF, 958 KB

english, 2010

8

AN ELECTRONIC SIGNBOARD USING AN UHF BAND RFID SYSTEM FOR DISASTER MANAGEMENT

MIYASAKA, Ryuhei, TAKEDA, Shigeki, KAGOSHIMA, Kenichi, UMEHIRA, Masahiro

Journal:

Journal of Japan Society of Civil Engineers Ser F3 (Civil Engineering Informatics)

Year:

2015

File:

PDF, 3.71 MB

2015

9

[American Institute of Aeronautics and Astronautics 31st AIAA International Communications Satellite Systems Conference - Florence, Italy ()] 31st AIAA International Communications Satellite Systems Conference - Link Budget for VoIP in LTE-based GEO Satellite Mobile Communication Systems

Gao, Zhen, Umehira, Masahiro, Pan, Wen, Zhao, Ming, Wang, Jing

Year:

2013

Language:

english

File:

PDF, 193 KB

english, 2013

10

Measurement of a UHF RFID Based Battery-Less Vibration Frequency Sensitive Sensor Tag Using Tilt/Vibration Switches

Rahmadya, Budi, Chen, Xi, Takeda, Shigeki, Kagoshima, Kenichi, Umehira, Masahiro, Kurosaki, Wataru

Journal:

IEEE Sensors Journal

Year:

2020

File:

PDF, 2.80 MB

2020

11

[IEEE 2012 IEEE International Conference on Communication Systems (ICCS) - Singapore, Singapore (2012.11.21-2012.11.23)] 2012 IEEE International Conference on Communication Systems (ICCS) - A guard band aggregation scheme for cognitive radio using TV white space

Yaginuma, Noriyuki, Umehira, Masahiro, Funada, Ryuhei, Harada, Hiroshi

Year:

2012

Language:

english

File:

PDF, 737 KB

english, 2012

12

[IEEE 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications - Athens, Greece (2007.09.3-2007.09.7)] 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications - A design of single carrier based PHY for IEEE 802.15.3c standard

Funada, Ryuhei, Harada, Hiroshi, Shoji, Yozo, Kimura, Ryota, Nishiguchi, Yoshinori, Lei, Ming, Choi, Chang-soon, Kojima, Fumihide, Pyo, Chang-Woo, Lan, Zhou, Lakkis, Ismail, Umehira, Masahiro, Kato, S

Year:

2007

Language:

english

File:

PDF, 2.36 MB

english, 2007

13

[IEEE 2015 IEEE 81st Vehicular Technology Conference (VTC Spring) - Glasgow, United Kingdom (2015.5.11-2015.5.14)] 2015 IEEE 81st Vehicular Technology Conference (VTC Spring) - A Modified DFTs-OFDM with DC Subcarrier Shift for Low PAPR and DC Offset Error Robustness

Nihei, Shigeki, Umehira, Masahiro, Takeda, Shigeki

Year:

2015

Language:

english

File:

PDF, 1.05 MB

english, 2015

14

[IEEE 2015 21st Asia-Pacific Conference on Communications (APCC) - Kyoto (2015.10.14-2015.10.16)] 2015 21st Asia-Pacific Conference on Communications (APCC) - A twin cylinder model for moving human body shadowing in 60GHz WLAN

Wang, Ting, Umehira, Masahiro, Otsu, Hiroyuki, Takeda, Shigeki, Miyajima, Teruyuki, Kagoshima, Kenichi

Year:

2015

Language:

english

File:

PDF, 516 KB

english, 2015

15

10.1587/bplus.2008.6_63

Umehira, Masahiro

Journal:

IEICE Communications Society Magazine

Year:

2008

File:

PDF, 253 KB

2008

16

[IEEE 2010 3rd International Symposium on Applied Sciences in Biomedical and Communication Technologies (ISABEL 2010) - Roma, Italy (2010.11.7-2010.11.10)] 2010 3rd International Symposium on Applied Sciences in Biomedical and Communication Technologies (ISABEL 2010) - Impact of antenna directivity for carrier sensing in high density WLAN using adaptive directional antenna

Umehira, Masahiro, Ohtomo, Yohei

Year:

2010

Language:

english

File:

PDF, 211 KB

english, 2010

17

[IEEE 2014 Asia-Pacific Conference on Communications (APCC) - Pattaya, Thailand (2014.10.1-2014.10.3)] The 20th Asia-Pacific Conference on Communication (APCC2014) - Energy efficient RSSI-based 60GHz WLAN discovery for multi-band WLAN

Wada, Sho, Umehira, Masahiro, Takeda, Shigeki, Miyajima, Teruyuki, Kagoshima, Kenichi

Year:

2014

Language:

english

File:

PDF, 357 KB

english, 2014

18

[IEEE 2008 7th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2008) - Bandos Island (2008.4.22-2008.4.24)] 2008 7th Asia-Pacific Symposium on Information and Telecommunication Technologies - Design and experiments of wide area wireless network for sensors and actuators

Umehira, Masahiro, Saito, Hiroshi, Kagami, Osamu, Fujita, Takafumi, Fujino, Yosuke

Year:

2008

Language:

english

File:

PDF, 2.96 MB

english, 2008

19

Experimental Validation of a New Measurement Metric for Radio-Frequency Identification-Based Shock-Sensor Systems

Chen, Xi, Feng, Dongfang, Takeda, Shigeki, Kagoshima, Kenichi, Umehira, Masahiro

Journal:

IEEE Journal of Radio Frequency Identification

Year:

2018

Language:

english

File:

PDF, 684 KB

english, 2018

20

[IEEE 2018 IEEE 88th Vehicular Technology Conference (VTC-Fall) - Chicago, IL, USA (2018.8.27-2018.8.30)] 2018 IEEE 88th Vehicular Technology Conference (VTC-Fall) - Energy Efficient Learning-Based 60GHz Band Coverage Prediction for Multi-Band WLAN

Wang, Xiaoyan, Umehira, Masahiro, Takeda, Shigeki, Otsu, Hiroyuki, Kawatani, Takyuya

Year:

2018

Language:

english

File:

PDF, 1.56 MB

english, 2018

21

[IEEE 2019 22nd International Symposium on Wireless Personal Multimedia Communications (WPMC) - Lisbon, Portugal (2019.11.24-2019.11.27)] 2019 22nd International Symposium on Wireless Personal Multimedia Communications (WPMC) - Numerical Link Outage Probability Assessment using Meteorological Data for THz-Band Outdoor Wireless Communication Systems

Hatahara, Yuki, Umehira, Masahiro, Wang, Xiaoyan, Takeda, Shigeki

Year:

2019

File:

PDF, 345 KB

2019

22

A proposal of an ATM wireless access system for tetherless multimedia services

Masahiro Umehira, Akira Hashimoto, Hideaki Matsue, Masamitsu Nakura

Journal:

Mobile Networks and Applications

Year:

1996

Language:

english

File:

PDF, 1.53 MB

english, 1996

23

[IEEE 2017 4th NAFOSTED Conference on Information and Computer Science - Hanoi (2017.11.24-2017.11.25)] 2017 4th NAFOSTED Conference on Information and Computer Science - Pilot-based reference amplitude compensation for ultra-multi-level PAM-SSB-DFTs-OFDM

Suzuki, Tomoya, Fusayasu, Hirokazu, Umehira, Masahiro, Takeda, Shigeki, Wang, Xiaoyan

Year:

2017

Language:

english

File:

PDF, 1.16 MB

english, 2017

24

[IEEE 2017 IEEE Global Communications Conference (GLOBECOM 2017) - Singapore (2017.12.4-2017.12.8)] GLOBECOM 2017 - 2017 IEEE Global Communications Conference - Fine-Grained Incentive Mechanism for Sensing Augmented Spectrum Database

Wang, Xiaoyan, Umehira, Masahiro, Li, Peng, Gu, Yu, Ji, Yusheng

Year:

2017

Language:

english

File:

PDF, 227 KB

english, 2017

25

[IEEE 2019 International Radar Conference (RADAR) - TOULON, France (2019.9.23-2019.9.27)] 2019 International Radar Conference (RADAR) - Prototype Development and Experimental Performance Evaluation of FMCW Radar Using Iterative Interference Suppression Technique

OKUDA, Takeo, MAKINO, Yuya, UMEHIRA, Masahiro, WANG, Xiaoyan, TAKEDA, Shigeki, KURODA, Hiroshi

Year:

2019

File:

PDF, 3.61 MB

2019

26

[American Institute of Aeronautics and Astronautics 31st AIAA International Communications Satellite Systems Conference - Florence, Italy ()] 31st AIAA International Communications Satellite Systems Conference - Distributed Ground-based Beamforming

Gao, Zhen, Pan, Wen, Zhao, Ming, Masahiro, Umehira, Wang, Jing

Year:

2013

Language:

english

File:

PDF, 220 KB

english, 2013

27

Recent Japanese R&D in Satellite Communications

UMEHIRA, Masahiro, KOBAYASHI, Kiyoshi, YASUI, Yoshitsugu, TANAKA, Masato, SUZUKI, Ryutaro, SHINONAGA, Hideyuki, KAWAI, Nobuyuki

Journal:

IEICE Transactions on Communications

Year:

2009

Language:

english

File:

PDF, 4.65 MB

english, 2009

28

[IEEE 2017 23rd Asia-Pacific Conference on Communications (APCC) - Perth, Australia (2017.12.11-2017.12.13)] 2017 23rd Asia-Pacific Conference on Communications (APCC) - Kriging-based RSSI prediction for cell coverage discovery using spectrum database in 5G multi-band cellular networks

Ogawa, Yuto, Umehira, Masahiro, Wang, Xiaoyan

Year:

2017

Language:

english

File:

PDF, 922 KB

english, 2017

29

10.1587/bplus.7.301

Umehira, Masahiro

Journal:

IEICE Communications Society Magazine

Year:

2014

File:

PDF, 2.70 MB

2014

30

[IEEE 2018 24th Asia-Pacific Conference on Communications (APCC) - Ningbo, China (2018.11.12-2018.11.14)] 2018 24th Asia-Pacific Conference on Communications (APCC) - Feasibility of HPA Linearization System using Amplitude Reference Pilot Signal

OKAMOTO, Takuya, UMEHIRA, Masahiro, WANG, Xiaoyan, TAKEDA, Shigeki

Year:

2018

Language:

english

File:

PDF, 1.06 MB

english, 2018

31

[IEEE 2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications - (PIMRC 2009) - Toyko, Japan (2009.09.13-2009.09.16)] 2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications - Polarization dependence in double directional propagation channel at 60GHz

Sawada, Hirokazu, Nakase, Hiroyuki, Kato, Shuzo, Umehira, Masahiro, Sato, Katsuyoshi, Harada, Hiroshi

Year:

2009

Language:

english

File:

PDF, 1.28 MB

english, 2009

32

[IEEE 2016 IEEE International Conference on Consumer Electronics (ICCE) - Las Vegas, NV, USA (2016.1.7-2016.1.11)] 2016 IEEE International Conference on Consumer Electronics (ICCE) - Load modulation based MIMO communication for the low complexity and low power consumption

An, Changyoung, Ryu, Heung-Gyoon, Lee, Seung Hwan, Umehira, Masahiro, Yokohira, Tokumi

Year:

2016

Language:

english

File:

PDF, 458 KB

english, 2016

33

10.1587/bplus.6.167

Umehira, Masahiro

Journal:

IEICE Communications Society Magazine

Year:

2012

File:

PDF, 381 KB

2012

34

[IEEE 2018 19th International Radar Symposium (IRS) - Bonn, Germany (2018.6.20-2018.6.22)] 2018 19th International Radar Symposium (IRS) - A Novel Iterative Inter-Radar Interference Reduction Scheme for Densely Deployed Automotive FMCW Radars

UMEHIRA, Masahiro, NOZAWA, Takuya, MAKINO, Yuya, WANG, Xiaoyan, TAKEDA, Shigeki, KURODA, Hiroshi

Year:

2018

Language:

english

File:

PDF, 973 KB

english, 2018

35

[IEEE 2020 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT) - Hiroshima, Japan (2020.9.2-2020.9.4)] 2020 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT) - Inter-radar interference in automotive FMCW radars and its mitigation challenges

Umehira, Masahiro, Watanabe, Yuu, Wang, Xiaoyan, Takeda, Shigeki, Kuroda, Hiroshi

Year:

2020

File:

PDF, 301 KB

2020

36

Prototype AWA: design and implementation of a high speed ATM wireless access system using 25 GHz band

Toshihiro Manabe, Takatoshi Sugiyama, Atsushi Ohta, Fusao Nuno, Hiroyuki Suzuki, Shuta Uwano, Satoru Aikawa, Masahiro Umehira

Journal:

Computer Networks

Year:

1999

Language:

english

File:

PDF, 1.49 MB

english, 1999

37

[American Institute of Aeronautics and Astronautics 29th AIAA International Communications Satellite Systems Conference (ICSSC-2011) - Nara, Japan ()] 29th AIAA International Communications Satellite Systems Conference (ICSSC-2011) - Feasibility of Frequency Sharing in Satellite/Terrestrial Integrated Mobile Communication Systems

Umehira, Masahiro

Year:

2011

Language:

english

File:

PDF, 954 KB

english, 2011

38

Feasibility of RSSI based 60 GHz WLAN discovery for multi-band WLAN

Wada, Sho, Umehira, Masahiro, Takeda, Shigeki, Miyajima, Teruyuki, Kagoshima, Kenichi

Journal:

IEICE Communications Express

Year:

2015

Language:

english

File:

PDF, 618 KB

english, 2015

39

A Novel Dynamic Channel Access Scheme Using Overlap FFT Filter-Bank for Cognitive Radio

TANABE, Motohiro, UMEHIRA, Masahiro, ISHIHARA, Koichi, TAKATORI, Yasushi

Journal:

IEICE Transactions on Communications

Year:

2009

Language:

english

File:

PDF, 1.07 MB

english, 2009

40

LSI and IC-implementation of TDMA system—highly reliable and maintenance-free TDMA equipment

Shuzo Kato, Masahiro Morikura, Masahiro Umehira, Kiyoshi Enomoto, Shuji Kubota

Journal:

Electronics and Communications in Japan (Part III: Fundamental Electronic Science))

Year:

1990

Language:

english

File:

PDF, 974 KB

english, 1990

41

[IEEE 2016 22nd Asia-Pacific Conference on Communications (APCC) - Yogyakarta, Indonesia (2016.8.25-2016.8.27)] 2016 22nd Asia-Pacific Conference on Communications (APCC) - Experimental evaluation of a spectrum occupancy rate measurement method based on LSE estimation of Gaussian noise CDF

Umehira, Masahiro, Rachi, Shota, Takeda, Shigeki

Year:

2016

Language:

english

File:

PDF, 665 KB

english, 2016

42

[IEEE 2010 16th Asia-Pacific Conference on Communications (APCC) - Auckland, New Zealand (2010.10.31-2010.11.3)] 2010 16th Asia-Pacific Conference on Communications (APCC) - Performance analysis of overlap FFT filter-bank for dynamic spectrum access applications

Umehira, Masahiro, Tanabe, Motohiro

Year:

2010

Language:

english

File:

PDF, 213 KB

english, 2010

43

[IEEE 2014 Asia-Pacific Conference on Communications (APCC) - Pattaya, Thailand (2014.10.1-2014.10.3)] The 20th Asia-Pacific Conference on Communication (APCC2014) - An extended calculation model for shadowing loss caused by a moving human body in 60GHz WLAN

Umehira, Masahiro, Takeda, Shigeki, Miyajima, Teruyuki, Kagoshima, Kenichi

Year:

2014

Language:

english

File:

PDF, 554 KB

english, 2014

44

[IEEE 2016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC) - Valencia, Spain (2016.9.4-2016.9.8)] 2016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC) - Ultra-multi-amplitude-level BPSK based SSB-DFTs-OFDM to achieve higher spectrum efficiency

Fusayasu, Hirokazu, Nihei, Shigeki, Umehira, Masahiro, Abe, Jun-ichi, Mashino, Jun

Year:

2016

Language:

english

File:

PDF, 1.47 MB

english, 2016

45

A frequency cooperative ARQ scheme for multi-band WLAN

Motegi, Toshiyasu, Koike, Shohei, Miyajima, Teruyuki, Umehira, Masahiro, Takeda, Shigeki, Kagoshima, Ken-ichi

Journal:

IEICE Communications Express

Year:

2015

Language:

english

File:

PDF, 618 KB

english, 2015

46

Proposal of multiple access FMCW radar for inter-radar interference avoidance

Kurosawa, Mikihiro, Nozawa, Takuya, Umehira, Masahiro, Wang, Xiaoyan, Takeda, Shigeki, Kuroda, Hiroshi

Journal:

The Journal of Engineering

Year:

2019

File:

PDF, 1.63 MB

2019

47

[IEEE 2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP) - Hefei, China (2014.10.23-2014.10.25)] 2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP) - Location-based centralized dynamic channel assignment with channel segregation for multi-beam mobile satellite networks

Umehira, Masahiro, Fujita, Sunao, Gou, Zhen, Wang, Jing

Year:

2014

Language:

english

File:

PDF, 1.71 MB

english, 2014

48

[IEEE 2016 International Conference on Information and Communication Technology Convergence (ICTC) - Jeju (2016.10.19-2016.10.21)] 2016 International Conference on Information and Communication Technology Convergence (ICTC) - A novel overlap FFT filter-bank using windowing and smoothing techniques to reduce adjacent channel interference for flexible spectrum access

Tanabe, Motohiro, Saito, Akira, Umehira, Masahiro, Takeda, Shigeki

Year:

2016

Language:

english

File:

PDF, 448 KB

english, 2016

49

[IEEE 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications - Osaka, Japan (2011.06.01-2011.06.03)] Proceedings of the 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications - A New Spectrum Sensing Scheme Using Overlap FFT Filter-bank for Dynamic Spectrum Access

Sato, Takanori, Umehira, Masahiro

Year:

2011

Language:

english

File:

PDF, 652 KB

english, 2011

50

[IEEE 2019 International Radar Conference (RADAR) - TOULON, France (2019.9.23-2019.9.27)] 2019 International Radar Conference (RADAR) - Packet-based FMCW Radar using CSMA Technique to Avoid Narrowband Interefrence

ISHIKAWA, Shintaro, KUROSAWA, Mikihiro, UMEHIRA, Masahiro, WANG, Xiaoyan, TAKEDA, Shigeki, KURODA, Hiroshi

Year:

2019

File:

PDF, 3.40 MB

2019

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