Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
NS, RCS (Joint) |
2020-12-18 10:25 |
Online |
Online |
Prototype of Analog Self-interference Cancellation Circuit for Multi-band Full-duplex Base Station Takeshi Matsumura, Fumihide Kojima (NICT) RCS2020-144 |
5G (5th Generation mobile communication system) has been commercialized, and it is expected that QoE (Quality of Experi-... [more] |
RCS2020-144 pp.54-59 |
SANE |
2019-04-16 10:05 |
Kanagawa |
Defense Academy; Defense Training Institute |
Development of Compact, Low-loss and Sharp Skirt Rejection Superconducting Multi-band Bandpass Filters Tsuruoka Tsutomu (Tokyo Keiki), Kitada Noritaka (JSW), Naoto Sekiya (University of Yamanashi) SANE2019-3 |
Future mobile communication systems will need to use multiple frequency bands simultaneously to support high-speed trans... [more] |
SANE2019-3 p.13 |
WPT |
2019-03-07 16:40 |
Kyoto |
Kyoto Univ. Uji Campus |
Design of Dual-frequency Metasurface Using Particle Swarm Optimization Takuto Osawa, Airi Yamamoto, Tamami Maruyama (HIT,Hakodate college), Manabu Omiya (Hokkaido Univ.), Noriharu Suematsu, Hiroyasu Satoh (Tohoku Univ.) WPT2018-80 |
This paper proposes a novel dual frequency reflectarray whose elements have not only the desired reflection phases but a... [more] |
WPT2018-80 pp.83-88 |
RCS, SR, SRW (Joint) |
2019-03-07 10:55 |
Kanagawa |
YRP |
Prototype Development of Wireless LAN with Multiband Simultaneous Transmission and Its Experiment Naoto Egashira, Kazuto Yano (ATR), Julian Webber (ATR/Osaka Univ.), Makoto Usui (ATR), Masayuki Sutoh, Sugitani Atsuhiko, Yasuharu Amezawa (MTC), Yoshinori Suzuki (ATR) RCS2018-315 |
The amount of traffic in wireless local area network (WLAN) is increasing due to expansion of Internet of things (IoT) a... [more] |
RCS2018-315 pp.175-180 |
SR |
2019-01-24 13:55 |
Fukushima |
Corasse, Fukushima city (Fukushima prefecture) |
[Invited Talk]
R&D on Carrier Aggregation Technology for License-Exempt Bands Kazuto Yano, Naoto Egashira (ATR), Julian Webber (ATR/Osaka Univ.), Masanori Yofune, Masayuki Sutoh, Atsuhiko Sugitani, Yasuharu Amezawa, Shin-ich Sato (Mobile Techno), Yoshinori Suzuki, Tomoaki Kumagai (ATR) SR2018-103 |
This paper introduces the research topics, major results andstandardization activities of an MIC's R&D project "Research... [more] |
SR2018-103 pp.41-48 |
RCS |
2018-10-18 09:40 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Study on Frame Structure for Multiband Wireless LAN Using 920 MHz Band Naoto Egashira, Kazuto Yano, Yoshinori Suzuki, Tomoaki Kumagai (ATR) RCS2018-152 |
Recently, the amount of traffic in wireless local area network (WLAN) is still increasing due to expansion of Internet o... [more] |
RCS2018-152 pp.13-18 |
OPE, LQE, OCS |
2018-10-18 11:00 |
Saga |
|
C+L-band wavelength selective switchby alternating arrangement on LCOS Kazunori Seno, Keita Yamaguchi, Satomi Katayose, Kenya Suzuki, Toshikazu Hashimoto (NTT) OCS2018-31 OPE2018-67 LQE2018-56 |
The increase in communications network traffic has led to a demand for higher transmission capacity. To meet this demand... [more] |
OCS2018-31 OPE2018-67 LQE2018-56 pp.19-24 |
RCS |
2018-10-19 11:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Invited Lecture]
High quality mobile video transmission in 5G wireless network systems Hiroaki Asano, Takumi Higuchi, Masaaki Yoshino, Tetsuro Morimoto, Hideki Shingu, Takeshi Miyagoshi (Panasonic), Yosifumi Morihiro, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2018-168 |
Recently research and development for realizing enhanced mobile broadband, massive device and mission critical IoT are p... [more] |
RCS2018-168 pp.95-100 |
ASN, NS, RCS, SR, RCC (Joint) |
2018-07-12 10:55 |
Hokkaido |
Hakodate Arena |
[Poster Presentation]
Inter-system interference evaluation in spectrum sharing systems with multiple frequency bands Kyouhei Ueda, Shigeru Tomisato, Kazuhiro Uehara (Okayama Univ.) RCC2018-46 NS2018-59 RCS2018-104 SR2018-43 ASN2018-40 |
This paper evaluates the reduction effect of harmful interference to an existing system by bandwidth control in a second... [more] |
RCC2018-46 NS2018-59 RCS2018-104 SR2018-43 ASN2018-40 pp.101-104(RCC), pp.107-110(NS), pp.119-122(RCS), pp.111-114(SR), pp.117-120(ASN) |
AP (2nd) |
2018-05-30 09:30 |
Overseas |
The University of Da nang, University of Science and Technology |
Dual-band reflector backed dipole antenna loading choke equipped meander-loop parasitic elements Mamoru Yamaguchi, Keizo Cho (Chiba Inst. of Tech.), Tatsuhiko Yoshihara, Taisuke Ihara (NTT DOCOMO) |
We have reported a base station antenna configuration that can expand the operating bandwidth of a reflector backed dipo... [more] |
|
NS, ASN, RCC, RCS, SR (Joint) |
2017-07-20 11:05 |
Hokkaido |
Hokkaido Univ. |
[Poster Presentation]
Transmission Efficiency Improvement by Non-Liner Distortion Noise Power Control in Multi-Band Systems Jumpei Onji, Shigeru Tomisato, Kazuhiro Uehara (Okayama Univ.) RCC2017-32 NS2017-53 RCS2017-124 SR2017-47 ASN2017-41 |
This paper evaluates transmission efficiency improvement by non-linear distortion noise power control for multiple frequ... [more] |
RCC2017-32 NS2017-53 RCS2017-124 SR2017-47 ASN2017-41 pp.113-116(RCC), pp.127-130(NS), pp.167-170(RCS), pp.125-128(SR), pp.145-148(ASN) |
AP |
2017-05-19 11:20 |
Miyazaki |
Hotel MERIEGES |
Bandwidth Enlargement Maintaining Low HPBW Variation in Dual Band Reflector Backed Dipole Antenna Composed of Folded FSR Keizo Cho, Yusuke Tanizawa (Chiba Inst. of Tech.), Atsuya Ando (NTT) AP2017-39 |
Multi-band antennas have been popularly used as base station antennas for mobile communication systems. We have proposed... [more] |
AP2017-39 pp.91-96 |
SRW |
2016-12-19 11:15 |
Tokyo |
Tokyo City Univ., Setagaya Campus |
Performance Evaluation of Learning-based 60GHz band Coverage Detection Method for Multi-band WLAN Using Result of Propagation Measurement Hiroyuki Otsu, Takuya Kawatani, Masahiro Umehira, Shigeki Takeda (Ibaraki Univ.) SRW2016-60 |
In RSSI (Received Signal Strength Indicator) based 60 GHz band coverage detection scheme for 2.4/5/60GHz Multi-band WLAN... [more] |
SRW2016-60 pp.19-24 |
SR |
2016-10-28 14:40 |
Osaka |
Osaka Univ. Nakanoshima Center |
Transmission Efficiency Improvement by Non-Linear Distortion Noise Power Control in Multi-Band Systems Ryotaro Ueda, Shigeru Tomisato, Kazuhiro Uehara (Okayama Univ.) SR2016-74 |
Multiple frequency band transmission has been studied to realize broadband wireless communications in which plural frequ... [more] |
SR2016-74 pp.111-114 |
RCS |
2016-10-21 15:20 |
Kanagawa |
YRP (Yokosuka) |
[Invited Lecture]
A study of optimal small cell selection technology for high quality mobile video transmission in 5G wireless network systems Hiroaki Asano, Noriyuki Shimizu, Masaaki Yoshino, Hideki Shingu, Osamu Kato (Panasonic), Yoshifumi Morihiro, Yukihiko Okumura (NTT DOCOMO) RCS2016-189 |
Recently research and development for realizing enhanced mobile broadband, massive device and mission critical IoT are p... [more] |
RCS2016-189 pp.203-208 |
MW (2nd) |
2016-06-09 - 2016-06-11 |
Overseas |
KMUTNB, Bangkok, Thailand |
Broadband, Flat-gain, and High Liniarity GaN HEMT LNA for Mobile Base Station Masanobu Tsujii, Koshi Hamano, Kenjiro Nishikawa (Kagoshima Univ.), Kunihiro Kawai, Hiroshi Okazaki, Syoichi Narahashi (NTT DOCOMO, INC.) |
This paper demonstrates a broadband GaN HEMT Low Noise Amplifier (LNA) with high linearity. The proposed two-stage LNA e... [more] |
|
MW, WPT |
2016-04-21 11:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
A Novel Adaptive Digital Predistortion for Concurrent Multi-Band RF Power Amplifiers Tomoya Ota, Toshio Kawasaki, Shigekazu Kimura, Ken Tamanoi, Toru Maniwa (Fujitsu) WPT2016-2 MW2016-2 |
In order to provide broadband communication in fifth generation mobile communication systems, multi-band technologies th... [more] |
WPT2016-2 MW2016-2 pp.7-10 |
AP |
2016-03-10 13:10 |
Yamanashi |
Isawa Onsen (Kanpo no Yado) |
Relationship Between Antenna Configuration and Radiation Characteristics of Corner Reflector Antenna Composed of Frequency Selective Reflector Yusuke Tanizawa (Chiba Institute of Tech), Hideya So, Atsuya Ando (NTT), Keizo Cho (Chiba Institute of Tech) AP2015-208 |
Multi-band antennas have been popularly used as base station antennas for mobile communications systems. We have propose... [more] |
AP2015-208 pp.25-30 |
WPT |
2016-03-08 15:00 |
Kyoto |
Kyoto Univ. Uji Campus |
DESIGN OF DUAL-BAND REFLECTARRAY FOR SAME POLARIZATION USING GENETIC ALGORITHM Tamami Maruyama (National institute of technology, Hakodate college) WPT2015-95 |
This paper proposes novel design method of dual-band reflectarray using genetic algorithm (GA). Ordinary, each elements ... [more] |
WPT2015-95 pp.101-103 |
RCS, CCS, SR, SRW (Joint) |
2016-03-02 10:50 |
Tokyo |
Tokyo Institute of Technology |
Design and Performance of Learning-based 60GHz band WLAN Coverage Detection Method for Multi-band WLAN Hiroyuki Otsu, Masahiro Umehira, Sigeki Takeda, Teruyuki Miyajima, Kenichi Kagosima (Ibaraki Univ.) SRW2015-74 |
A RSSI (Received Signal Strength Indicator) based 60 GHz band WLAN coverage detection scheme assuming free space loss of... [more] |
SRW2015-74 pp.23-28 |