Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SRW |
2022-08-22 11:05 |
Online |
Online |
Performance Evaluation of Highly Efficient OFDM Applying Symbol-Edges Truncating Transmission Technique Yuu Ichikawa, Keiichi Mizutani, Hiroshi Harada (Kyoto Univ.) SRW2022-11 |
Because a wireless technology that can configure wide-area IoT systems with high data rates is required toward 6G, it is... [more] |
SRW2022-11 pp.14-19 |
ED, MW |
2022-01-27 15:05 |
Online |
Online |
[Invited Lecture]
A Compact 26 GHz Filtering Antenna with Cross Coupling Using LTCC Substrate Kaoru Sudo, Ryo Mikase, Yoshinori Taguchi, Koichi Takizawa, Natsumi Minamitani, Kengo Onaka, Saneaki Ariumi, Hisao Hayafuji (Murata), Masataka Ohira (Saitama Univ.) ED2021-66 MW2021-108 |
This paper proposes a compact 26 GHz filtering antenna with cross coupling using LTCC substrate. The cross coupling betw... [more] |
ED2021-66 MW2021-108 pp.22-27 |
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 |
2020-03-05 13:35 |
Kochi |
Kochi City Culture-Plaza CUL=PORT (Cancelled but technical report was issued) |
A Wideband Filtering Wilkinson Power Divider with Transmission Zeros Daishi Nagata, Zwang Ma, Masataka Ohira (Saitama Univ.) MW2019-145 |
In this paper, a wideband filtering Wilkinson power divider (WPD) using short-circuited stubs is proposed, and design fo... [more] |
MW2019-145 pp.29-34 |
MW |
2020-03-05 15:05 |
Kochi |
Kochi City Culture-Plaza CUL=PORT (Cancelled but technical report was issued) |
Wideband Broad-Band Bandpass Filters Using Transmission Line Shorted-Stubs and Coupled-Stubs Naruaki Maruyama, Zhewang Ma, Masataka Ohira (Saitama Univ.) MW2019-148 |
The conventional wideband bandpass filter (BPFs) using short-circuited stubs is relatively simple in structure and easy ... [more] |
MW2019-148 pp.47-52 |
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 |
MW, ED |
2019-01-18 14:00 |
Tokyo |
Hitachi, Central Research Lab. |
Design of Wideband Bandpass Filters with Quasi-Elliptic Characteristics Using Coupled Short-Circuited Stub Kosuke Keima, Zhewang Ma, Masataka Ohira (Saitama Univ.) ED2018-85 MW2018-152 |
In this paper, based on the analysis of the transmission line equivalent circuits of the wideband bandpass filters (BPFs... [more] |
ED2018-85 MW2018-152 pp.85-90 |
MW, ED |
2019-01-18 15:15 |
Tokyo |
Hitachi, Central Research Lab. |
Design of Quasi-Millimeter-Wave SIW Bandpass Filter with Transmission Zeros Using TE102 Mode for Negative Coupling Yuta Shimizu, Masataka Ohira, Zhewang Ma (Saitama Univ) ED2018-88 MW2018-155 |
A quasi-millimeter-wave band substrate integrated waveguide (SIW) bandpass filter with a fractional bandwidth greater th... [more] |
ED2018-88 MW2018-155 pp.103-108 |
MW |
2018-12-13 10:10 |
Kanagawa |
Kanagawa Univ. |
A High-order Cul-de-Sac Coupling Bandpass Filter Design Using Even/Odd-mode Stepped Impedance Resonators Ryo Mikase, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2018-115 |
In the design of bandpass filters (BPFs), transmission zeros (TZs) can be generated at arbitrary frequency positions by ... [more] |
MW2018-115 pp.7-12 |
MW, WPT |
2018-04-27 14:25 |
Tokyo |
Kikai-Shinko-Kaikan Building |
Design of Microstrip Symmetric-Coupling Quadruplet Bandpass Filters with Transmission Zeros for Symmetric and Asymmetric Frequency Responses Ryo Mikase, Masataka Ohira, Zhewang Ma, Xiaolong Wang (Saitama Univ.) WPT2018-4 MW2018-4 |
Bandpass filters (BPFs) composed of four resonators as a basic component, like CQ filters, have been proposed so far. In... [more] |
WPT2018-4 MW2018-4 pp.13-18 |
ICTSSL, CAS |
2018-01-25 10:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
A Realization of a Complex Coefficient Filter with Transmission Zeros Using Negative Impedance Converters and Its Reduction Tatsuya Fujii, Kazuhiro Shouno (Tsukuba Univ.) CAS2017-109 ICTSSL2017-36 |
In this paper, a synthesis of a complex coefficient filter using NIC's (Negative Impedance Converters) is proposed. The ... [more] |
CAS2017-109 ICTSSL2017-36 pp.1-4 |
WPT, MW |
2017-04-28 15:50 |
Tokyo |
Kikai-Shinko Kaikan, B2-1 |
Design and Experiment of Fully Canonical Cul-de-Sac Coupling Microstrip BPF with Controllable Direct Source/Load Coupling Toshiki Kato, Masataka Ohira, Zhewang Ma, Xiaolong Wang (Saitama Univ.) WPT2017-6 MW2017-6 |
We have proposed a fully canonical Cul-de-Sac coupling microstrip bandpass filter that can realize a generalized Chebysh... [more] |
WPT2017-6 MW2017-6 pp.23-28 |
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 |
EST |
2016-09-09 09:35 |
Okinawa |
Ishigakishi-Shoko-Kaikan |
Design of a Microstrip Bandpass Filter Using Composite Resonators with Multiple Transmission Zeros and Improved Stopband Characteristics Zhewang Ma, Kazuya Matsukiyo, Masataka Ohira (Saitama Univ.), Chun-Ping Chen, Tetsuo Anada (Kanagawa Univ.) EST2016-48 |
In this paper, a microstrip bandpass filter (BPF) using composite resonators is designed first, which has multiple trans... [more] |
EST2016-48 pp.225-230 |
ICD, MW |
2016-03-03 13:10 |
Hiroshima |
Hiroshima University |
[Special Talk]
Design and Fabrication of Bandpass Filter Using Microstrip Quarter-wavelength Resonators to Realize a Specified Attenuation Toshiki Kato, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2015-193 ICD2015-116 |
This paper presents a bandpass filter design using microstrip quarter-wavelength resonators to realize 50dB attenuation ... [more] |
MW2015-193 ICD2015-116 pp.113-116 |
MW |
2016-01-14 13:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Design of Fully Canonical Cul-de-Sac Coupling Microstrip Filters Having Transmission Zeros for Symmetric and Asymmetric Frequency Responses Toshiki Kato, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2015-159 |
A microwave bandpass filter having a generalized Chebyshev function characteristic can generate transmission zeros at ar... [more] |
MW2015-159 pp.1-6 |
MW |
2015-12-17 14:25 |
Tokyo |
Tokyo Univ. of Science |
Design of Compact Lowpass Filters Using Microstrip Stub-Loaded Coupled-Lines Kohei Beppu, Zhewang Ma, Masataka Ohira (Saitama Univ.) MW2015-140 |
In this paper, a microstrip lowpass filter (LPF) using stub-loaded coupled-lines is analyzed, and close-form formulas ar... [more] |
MW2015-140 pp.41-46 |
MW |
2015-12-17 14:50 |
Tokyo |
Tokyo Univ. of Science |
Design of Broad-Band Bandpass Filters with Transmission Zeros Using Short-Circuited Transmission Line Stubs Ryuhi Hamano, Zhewang Ma, Masataka Ohira (Saitama Univ.), Chun-Ping Chen, Tetsuo Anada (Kanagawa Univ.) MW2015-141 |
Broadband bandpass filters (BPFs) using short-circuited stubs have a number of advantages, like rigorous synthesis theor... [more] |
MW2015-141 pp.47-52 |
MW |
2015-12-17 15:15 |
Tokyo |
Tokyo Univ. of Science |
A Single-layer Planar Filter Structure to Realize Fully Canonical Cul-de-Sac Coupling Matrix and Design of Bandpass Filters with Transmission Zeros Toshiki Kato, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2015-142 |
A Cul-de-Sac coupling matrix can be obtained by matrix transformation from a transversal array coupling matrix that can ... [more] |
MW2015-142 pp.53-58 |
MW |
2015-05-29 16:50 |
Tokyo |
The Univ. of Electro-Commun. |
Design of Microstrip Bandpass Filter with Transmission Zeros Using Half-wavelength Resonator Transversal Array Toshiki Kato, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2015-37 |
We have reported a new design method for multi-mode bandpass filters with transmission zeros (TZs) based on a synthesis ... [more] |
MW2015-37 pp.93-98 |