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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SIP, IT | 2025-01-29 17:00 |
Yamaguchi | Kaikyou-messe (Yamaguchi, Online) (Primary: On-site, Secondary: Online) |
A Study on Model-Based Deep Learning of EP-Aided Turbo Equalization for Overloaded MIMO Detection Haruki Sekiguchi, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) |
(To be available after the conference date) [more] | |
| MW | 2024-11-14 13:55 |
Okinawa | JA Kume-jima Yuntaku house (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Improvement of Output Back-Off Efficiency by Doherty-Outphasing Mixed Operation for 4.7-GHz-Band GaN HEMT Power Amplifier with Miniature Combiner Yudai Shiraishi, Kazuhiko Honjo, Ryo Ishikawa (UEC)  MW2024-130 |
An outphasing power amplifier is one of high-efficiency load-modulation amplifiers for wide-dynamic-range digitally modu... [more] | MW2024-130 pp.40-45 |
| MW | 2024-06-14 09:45 |
Tokyo | Hachijomachi-shoko-kai (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Sigmoid-Function-Based Power Splitting for A 1.2 to 5.7GHz Multi-Mode Dual-Input Power Amplifier Takuma Torii, Ao Yamashita, Yuji Komatsuzaki, Shintaro Shinjo (Mitsubishi Electric) MW2024-23 |
We report a novel power splitting scheme for multi-mode dual-input power amplifier at FR1(sub-7GHz). The main novelty is... [more] | MW2024-23 pp.22-27 |
| MW, EMCJ, EST, IEE-EMC [detail] | 2023-10-20 10:00 |
Yamagata | Yamagata University (Yamagata, Online) (Primary: On-site, Secondary: Online) |
Study on Efficiency Improvement of Dual-Input GaN Amplifier as Outphasing Amplifier Shinro Yatsuda, Rikito Matsuo, Takana Kaho (Shonan Inst.Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (Mitsubishi Electric) EMCJ2023-59 MW2023-113 EST2023-86 |
We are developing a base station amplifier that covers a wide frequency range of 4G/5G by switching the Doherty and outp... [more] | EMCJ2023-59 MW2023-113 EST2023-86 pp.125-130 |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-13 14:15 |
Osaka | Osaka University Nakanoshima Center + Online (Osaka, Online) (Primary: On-site, Secondary: Online) |
A configuration for overloaded MU-MIMO systems Kazuki Miyata, Satoshi Denno, Yafei Hou (Okayama Univ.) RCS2023-94 |
In this report, we consider overload communication in MU-MIMO systems in order to further increase the capacity of downl... [more] | RCS2023-94 pp.76-81 |
| MW | 2023-06-22 14:25 |
Kanagawa | Yugawara-machi Shou-Kou-Kai Bldg. (Kanagawa, Online) (Primary: On-site, Secondary: Online) |
A Suitable for S-LMBA Consideration of wideband harmonic tuning circuit Hirotaka Asami, Takashi Sumiyoshi, Hiroshi Yamamoto, Takashi Maehata (SEI) MW2023-22 |
In next-generation mobile communications, broadband modulation signals are used to achieve high-capacity and high-speed ... [more] | MW2023-22 pp.13-18 |
| RCS | 2023-06-16 11:20 |
Hokkaido | Hokkaido University, and online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Overloaded MIMO Demodulation using Belief Propagation MIMO Detection with MRC and MMSE pre-cancellation Yuto Suzuki, Yukitoshi Sanada (Keio Univ.) RCS2023-74 |
In this technical report, belief propagation (BP) multi-input multi-output (MIMO) detection with maximum ratio combining... [more] | RCS2023-74 pp.270-275 |
| MW | 2022-11-15 13:00 |
Nagasaki | Fukue-Bunka-Kaikan (Nagasaki, Online) (Primary: On-site, Secondary: Online) |
Improvement of Output Back-off Performance on Outphasing Operation by Using 50-Ω Design Power Amplifiers at Quasi-Millimeter-Wave Band Nao Ashizawa, Kazuhiko Honjo, Ryo Ishikawa (UEC) MW2022-111 |
In order to handle digital modulation signals used in beyond 5G systems, RF power amplifiers with a wide-dynamic-range c... [more] | MW2022-111 pp.13-18 |
| AP | 2022-10-19 09:30 |
Gifu | GIFU CITY CULTURE CENTER (Gifu, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Fast and High-accuracy Channel Estimation Method for Reconfigurable Intelligent Surfaces Combining Load Modulation and Compressed Sensing Techniques Shun Sasaki, Takumi Kato, Kentaro Murata, Naoki Honma (Iwate Univ.) AP2022-105 |
In this study, we propose a channel estimation method for reconfigurable intelligent surfaces (RIS) combining the load m... [more] | AP2022-105 pp.47-52 |
| AP, MW (Joint) |
2022-09-15 11:35 |
Ehime | The Museum of Art, EHIME (Ehime, Online) (Primary: On-site, Secondary: Online) |
Examination of Wideband Measurement of Dual-input GaN Amplifier Using Vector Transceiver Takato Suzuki, Yahiro Nanba, Takana Kaho (Shonan Inst. Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (MELCO) MW2022-75 |
We are researching a wideband dual-input one-output GaN amplifier for base stations that covers 4G / 5G frequencies. It ... [more] | MW2022-75 pp.36-41 |
| RCS, SR, SRW (Joint) |
2022-03-02 13:30 |
Online | Online (Online) | MMSE Pre-cancellation Matrix Switching for BP MIMO Detection in Overloaded MIMO Systems Takashi Imamura, Yukitoshi Sanada (Keio Univ) RCS2021-257 |
In this report, BP MIMO detection with MMSE pre-cancellation matrix switching in overloaded MIMO systems is proposed. Th... [more] | RCS2021-257 pp.37-42 |
| ED, MW | 2022-01-27 16:05 |
Online | Online (Online) | [Invited Talk]
Wideband Load Modulated GaN Power Amplifiers for Wireless Base-Stations Shuichi Sakata, Yuji Komatsuzaki, Kento Saiki, Koji Yamanaka, Masaomi Tsuru (Mitsubishi Electric) ED2021-68 MW2021-110 |
Recently, 5G commercial services which have features of high speed, large capacity and multi-connectivity have rolled ou... [more] | ED2021-68 MW2021-110 pp.32-37 |
| EE, IEE-SPC | 2021-07-19 10:55 |
Online | Online (Online) | Load-Independent Class-E Inverter with Frequency Modulation Control Yutaro Komiyama, Kien Nguyen (Chiba Univ.), Taichi Mishima, Yuki Ito, Takeshi Uematsu (Omron Corp.), Hiroo Sekiya (Chiba Univ.) EE2021-8 |
This paper proposes the frequency-modulation controlled load-independent class-E inverter. The main idea is to apply the... [more] | EE2021-8 pp.6-11 |
| EMCJ, EMD, WPT (Joint) |
2021-07-02 14:20 |
Online | Online (Online) | Cavity Resonant Wireless Power Transfer Based on Online S-parameter Estimation Keito Takiya, Shinnosuke Kondo, Kentarou Murata, Naoki Honma (Iwate Univ.) WPT2021-5 |
To improve the transmission efficiency at blind spots caused by standing waves in a cavity, a novel cavity resonant wire... [more] | WPT2021-5 pp.1-6 |
| MW | 2020-12-10 13:15 |
Kanagawa | (Kanagawa, Online) (Primary: On-site, Secondary: Online) |
A 3.9-GHz-Band GaN HEMT Outphasing Power Amplifier with Reactance-Compensation Compact Combiner Ryoichi Ogasawara, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2020-71 |
Recently, the need for large-capacity communications has increased in wireless communication systems due to the increase... [more] | MW2020-71 pp.1-6 |
| SANE | 2020-06-26 14:55 |
Online | Online (Online) | Study of on-orbit demonstration of VCM technology based on DVB-S2X by the rapid innovative payload demonstration satellite-2 (RAISE-2) Chihaya Kato, Mitsuhiro Nakadai, Masanobu Yajima (JAXA), Tsuyoshi Sasaki, Jin Miyazawa, Michiya Hayama (Mitsubishi Electric Corp.) SANE2020-13 |
With the improved sensor capabilities of Earth observation satellites in low Earth orbit (LEO), the volume of data trans... [more] | SANE2020-13 pp.25-30 |
| RCS | 2020-06-24 - 2020-06-26 |
Online | Online (Online) | Low Complexity Signal Detection based on Belief Propagation with MMSE Pre-cancellation for Overloaded MIMO systems Takashi Imamura, Yukitoshi Sanada (Keio Univ.) RCS2020-57 |
In this paper, the application of minimum mean square error (MMSE) pre-cancellation prior to belief propagation (BP) is ... [more] | RCS2020-57 pp.205-210 |
| MSS, CAS, SIP, VLD | 2020-06-18 10:50 |
Online | Online (Online) | A Study on AM-AM/PM Characteristics of RF Power Amplifiers Satoshi Tanaka (Murata Manufacturing) CAS2020-3 VLD2020-3 SIP2020-19 MSS2020-3 |
In 5G (5th Generation) mobile phone, maximum modulation bandwidth is enlarged from 100 to 400 MHz addition, complicated ... [more] | CAS2020-3 VLD2020-3 SIP2020-19 MSS2020-3 pp.11-16 |
| IT, SIP, RCS | 2020-01-23 09:25 |
Hiroshima | Hiroshima City Youth Center (Hiroshima) | Itrative Hard Dicision Decoding in a linear multilevel QAM Receiver for Overloaded MIMO Takuya Fujiwara, Denno Satoshi, Hou Yafei (Okayama Univ) IT2019-36 SIP2019-49 RCS2019-266 |
This paper proposes iterative hard dicision decoding in a linear multilevel QAM reciever for overloaded MIMO. A serilal... [more] | IT2019-36 SIP2019-49 RCS2019-266 pp.1-6 |
| EMCJ, MW, EST, IEE-EMC [detail] | 2019-10-24 10:55 |
Miyagi | Tohoku Gakuin University(Conf. Room 2, Eng. Bldg. 1) (Miyagi) | Efficiency Enhancement of GaN Doherty Power Amplifier at Large Power Back-Off with Virtual Short Stub Technique Satoru Honda, Shuichi Sakata, Yuji Komatsuzaki, Shintaro Shinjo (Mitsubishi Electric) EMCJ2019-40 MW2019-69 EST2019-48 |
We propose a new efficiency enhancement technique of Doherty power amplifiers (DPAs) using virtual short stub. In this t... [more] | EMCJ2019-40 MW2019-69 EST2019-48 pp.21-25 |
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