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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2024-05-17 10:00 |
Osaka | Osaka University Toyonaka Campus (Primary: On-site, Secondary: Online) |
Design and Experiments of Circularly Polarized Wideband Filtering Antenna with 20% Fractional Bandwidth Ken Sakiyama (Saitama Univ.), Masataka Ohira (Doshisha Univ.), Zhewang Ma (Saitama Univ.) |
(To be available after the conference date) [more] | |
| MW, ED | 2023-01-27 10:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Design of Parasitic-Element Loaded Wideband Filtering Antenna with Unidirectional Radiation Pattern over 30% Frequency Bandwidth Ken Sakiyama, Masataka Ohira, Zhewang Ma (Saitama Univ.)  ED2022-87 MW2022-146 |
In this paper, we propose a new structure of wideband filtering antenna that realizes a very flat in-band gain and unidi... [more] | ED2022-87 MW2022-146 pp.7-12 |
| MW | 2021-11-18 16:05 |
Kagoshima | Kagoshima University (Primary: On-site, Secondary: Online) |
60-GHz Band Inline-Type SIW Filtering Antenna With Transmission Zeros Without Cross Coupling Masaki Hoshino, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2021-72 |
This paper proposes a new structure of 60-GHz band inline-type SIW filtering antenna that can generate transmission zero... [more] | MW2021-72 pp.29-34 |
| MW | 2021-03-05 10:30 |
Online | Online | Design of Tunable Filtering Array Antenna with Constant Absolute Bandwidth Takuya Sakemoto, Masataka Ohira, Zhewang Ma (Saitama Univ.), Akihiiro Yamada (Nippon Antenna) MW2020-91 |
In recent years, the demand for tunable antennas has been increasing with the rapid growing various wireless communicati... [more] | MW2020-91 pp.1-6 |
| IN, RCS, NV (Joint) |
2020-05-21 10:00 |
Online | Online | A Study on Combined Effect of Cluster Multilayering and MMSE Filtering on Inter-cluster Interference Mitigation in 5G Advanced Ultra-dense RAN Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) RCS2020-10 |
In ultra-dense RAN consisting of a large number of distributed antennas, the coverage and the capacity can be improved b... [more] | RCS2020-10 pp.1-6 |
| MW | 2019-11-15 09:55 |
Okinawa | Minami Daido Villa. Tamokuteki Koryu Center | Design of Wideband Microstrip Filtering Antenna with Transmission Zeros Ilsub Song, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2019-112 |
In this paper, we propose and design a new structure of microstrip filtering antenna having both a wideband and flat in-... [more] | MW2019-112 pp.71-76 |
| WPT (2nd) |
2019-10-31 - 2019-11-02 |
Overseas | Xidian University | [Invited Talk]
[Invited Talk] Complex Impedance Matching Filtering Antenna for Rectenna in MPT Yazhou Dong, Shi-wei Dong, Xiaojun Li (CAST Xi'an), Steven Gao (Univ. of Kent) |
In traditional rectenna design, the matching network and filter occupy lots of space, introduce additional losses, and r... [more] | |
| RCS | 2019-06-20 09:40 |
Okinawa | Miyakojima Hirara Port Terminal Building | Investigation on Efficient Construction Scheme of Peak Cancellation Signals in Complexity-Reduced PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals Taku Suzuki, Mikihito Suzuki (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2019-64 |
In this paper, we investigate efficient construction schemes of the peak cancellation (PC) signals in the complexity-red... [more] | RCS2019-64 pp.161-167 |
| RCS | 2019-06-21 15:25 |
Okinawa | Miyakojima Hirara Port Terminal Building | Complexity-Reduced Algorithm for Adaptive PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals Mikihito Suzuki, Taku Suzuki (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2019-97 |
In this paper, we propose a computational complexity-reduced algorithm for our previously reported adaptive peak-to-aver... [more] | RCS2019-97 pp.353-358 |
| MW, ED | 2019-01-18 14:50 |
Tokyo | Hitachi, Central Research Lab. | Design of Microstrip Tunable Filtering Antenna with Constant Absolute Bandwidth Tomoyasu Soma, Masataka Ohira, Zhewang Ma (Saitama Univ.) ED2018-87 MW2018-154 |
A tunable antenna that can change its resonant frequency electronically is one of promising components for future wirele... [more] | ED2018-87 MW2018-154 pp.97-102 |
| RCS | 2018-06-22 09:30 |
Nagasaki | Nagasaki University | Combination of Beamforming with Per-Antenna Power Constraint and Adaptive PAPR Reduction Method Using Null Space in MIMO Channel for Multiuser Massive MIMO-OFDM Transmission Mikihito Suzuki (Tokyo Univ. of Science), Kiichi Tateishi (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2018-63 |
In this paper, we investigate a combination of the beamforming (BF) with per-antenna power limitation and adaptive peak-... [more] | RCS2018-63 pp.167-172 |
| MW | 2017-12-19 15:15 |
Tokyo | Design of Wideband Microstrip Filtering Antenna Using Short Stub Structure Kazuhiro Sato, Masataka Ohira, Zhewang Ma, Xiaolong Wang (Saitama Univ.) MW2017-150 |
In recent years, a filtering antenna has been rapidly developed because it can be designed with a well-known filter synt... [more] | MW2017-150 pp.47-52 |
|
| AP, MW (Joint) |
2017-09-22 13:00 |
Saitama | Saitama University | [Tutorial Lecture]
A Design Method of Filtering Antennas Masataka Ohira (Saitama Univ.) AP2017-93 |
This paper summarizes a design method of filtering antenna, which is constructed by replacing the Nth resonator of an Nt... [more] | AP2017-93 pp.31-36 |
| RCS | 2017-06-23 11:00 |
Okinawa | Ishigaki Shoukou Kaikan | Performance Evaluations on Adaptive PAPR Reduction Method Using Null Space of MIMO Channel for Eigenmode Massive MIMO-OFDM Signals Yuki Matsumoto (Tokyo Univ. of Science), Kiichi Tateishi (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2017-85 |
The combination of massive multiple-input multiple-output (MIMO) with beamforming (BF) and orthogonal frequency division... [more] | RCS2017-85 pp.209-214 |
| MW (2nd) |
2017-06-14 - 2017-06-16 |
Overseas | KMUTT, Bangkok, Thailand | [Poster Presentation]
Ground Penetrating Radar Imaging Using Migration Technique Kiattisak Yochanang, Akkarat Boonpoonga (KMUTNB) |
It is well known in B-scan ground penetrating radar (GPR) imagery that the underground scatterers generally exhibit defo... [more] | |
| CAS, CS | 2017-02-24 09:30 |
Shiga | Capacity of Collaborative Interference Canceller: Quantization Error and Spatial Correlation Daisuke Umehara, Rieko Saiki (Kyoto Inst. of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) CAS2016-125 CS2016-86 |
Let us assume that space division multiplexing (SDM) signal is transmitted at a base station (BS) with a number of anten... [more] | CAS2016-125 CS2016-86 pp.63-68 |
|
| CAS, CS | 2017-02-24 09:55 |
Shiga | A Study of Received Signal Sharing Schemes for Collaborative Interference Canceller Daisuke Umehara, Shuhei Ueno, Ryota Akagi (Kyoto Inst. of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) CAS2016-126 CS2016-87 |
Let us assume that space division multiplexing (SDM) signal is transmitted at a base station (BS) with a number of anten... [more] | CAS2016-126 CS2016-87 pp.69-74 |
|
| MW, ED | 2017-01-27 10:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Design of Filtering Antenna with Transmission Zeros Using Cross Coupling Between Antenna and Resonator Toshiki Miyazaki, Masataka Ohira, Zhewag Ma, Xiaolong Wang (Saitama Univ.) ED2016-104 MW2016-180 |
The generation of transmission zeros (TZs) at stopbands is indispensable for filtering antennas to obtain a sharp passba... [more] | ED2016-104 MW2016-180 pp.41-46 |
| RCS | 2015-10-02 09:00 |
Kanagawa | YRP (Yokosuka) | Joint Tx/Rx MMSE Filtering for Downlink Single-Carrier MU-MIMO Shinya Kumagai, Fumiyuki Adachi (Tohoku Univ.) RCS2015-176 |
In broadband single-carrier (SC) multi-user (MU) multiple-input multiple-output (MIMO) transmissions, inter-symbol inter... [more] | RCS2015-176 pp.101-106 |
| SIP, RCS | 2015-01-23 15:25 |
Okayama | Okayama Univ. | Joint Tx/Rx MMSE Filtering for Uplink Single-Carrier MU-MIMO Shinya Kumagai, Fumiyuki Adachi (Tohoku Univ.) SIP2014-112 RCS2014-300 |
In broadband single-carrier (SC) multi-user (MU) multiple-input multiple-output (MIMO) transmissions, inter-symbol inter... [more] | SIP2014-112 RCS2014-300 pp.181-186 |
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