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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SIP, CAS, VLD, MSS | 2021-07-06 13:55 |
Online | Online | A Study on AM-AM/PM Characteristics and Distortion of Power Amplifiers for Mobile Phone Terminals Satoshi Tanaka (Murata Manufacturing)  CAS2021-16 VLD2021-16 SIP2021-26 MSS2021-16 |
In 5G (5th Generation) mobile phone, QAM (quadrature amplitude modulation) which has high PAPR (peak to average power ra... [more] | CAS2021-16 VLD2021-16 SIP2021-26 MSS2021-16 pp.81-86 |
| CAS, CS | 2021-03-02 10:50 |
Online | Online | A Study on the bandwidth of the matching circuit using transformer Satoshi Tanaka (Murata Manufacturing) CAS2020-79 CS2020-86 |
With the spread of the fifth generation mobile phone, the increase of the output power of power amplifier (PA) has becom... [more] | CAS2020-79 CS2020-86 pp.41-46 |
| MW | 2020-12-10 13:15 |
Kanagawa | (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 |
| MW | 2020-12-10 13:40 |
Kanagawa | (Primary: On-site, Secondary: Online) |
High-Efficiency Wide-Dynamic-Power-Range Rectifier with Adaptive Self-Gate-Biasing Jun Yamazaki, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2020-72 |
In RF energy harvesting and wireless power transfer, it is required to develop rectifiers having wide dynamic range char... [more] | MW2020-72 pp.7-11 |
| MW | 2020-11-19 13:05 |
Online | Online | Harmonic tuning circuit using 1-port CRLH transmission line and its application to power amplifiers Naoaki Iisaka, Shinichi Tanaka (SIT) MW2020-65 |
With the spread of next-generation mobile communication systems, high efficiency and miniaturization of base station amp... [more] | MW2020-65 pp.1-5 |
| OPE, OCS, LQE | 2020-10-23 11:35 |
Online | Online | Demonstration on Low Power Consumption Operation of Hybrid Pumped Multi-core Erbium Doped Fiber Amplifier Keiichi Matsumoto, Toshifumi Nakamura, Hidemi Noguchi, Emmanuel Le Taillandier de Gabory (NEC) OCS2020-13 OPE2020-36 LQE2020-16 |
Optical transmission using MCF has not only been expected to push the limit of capacity but reduce power consumption of ... [more] | OCS2020-13 OPE2020-36 LQE2020-16 pp.26-31 |
| MSS, CAS, SIP, VLD | 2020-06-18 10:50 |
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 |
| CS, CAS | 2020-02-28 14:30 |
Kumamoto | A Study on Wideband Multi-Stage LC Matching Circuits of Power Amplifiers for Mobile Phone Terminals Satoshi Tanaka (Murata Manufacturing) CAS2019-123 CS2019-123 |
As mobile phones progress in the third, fourth, and fifth generations, the frequency bands used in mobile phones have in... [more] | CAS2019-123 CS2019-123 pp.149-154 |
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| ICTSSL, CAS | 2020-01-31 17:20 |
Tokyo | A Study on Output Matching Circuits of Power Amplifiers for Mobile Phone Terminals Satoshi Tanaka (Murata) CAS2019-97 ICTSSL2019-66 |
As the mobile phone generation progresses with the third, fourth, and fifth generations, the frequency bands used in mob... [more] | CAS2019-97 ICTSSL2019-66 pp.169-174 |
|
| AP, RCS (Joint) |
2019-11-21 09:50 |
Saga | Saga Univ. | Partial Re-Training of Self-Interference Canceller Considering Gain Variation of Amplifiers Takeshi Ishii, Kazuki Komatsu, Yuichi Miyaji, Hideyuki Uehara (Toyohashi Univ. of Tech.) RCS2019-215 |
In-band full-duplex is expected to improve spectrum efficiency and throughput but self-interference (SI) cancellation is... [more] | RCS2019-215 pp.73-78 |
| MW | 2019-11-14 15:35 |
Okinawa | Minami Daido Villa. Tamokuteki Koryu Center | High-Efficiency GaN HEMT Doherty Power Amplifier Based on Two-Power-Level Impedance Optimization including Harmonic Treatment Takuya Seshimo, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2019-106 |
Further high efficiency and high functionality of power amplifier are required for the next generation wireless communic... [more] | MW2019-106 pp.35-39 |
| MW | 2019-11-14 16:00 |
Okinawa | Minami Daido Villa. Tamokuteki Koryu Center | High Efficiency Doherty Amplifier Using T-Shaped Stabs with Spurius Suppression and Impedance Conversion Function Yuki Takagi, Naoki Hasegawa, Yoshichika Ota (SB), Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2019-107 |
In recent years, various types of wireless stations such as a base station used on quasi-millimeter wave band have been ... [more] | MW2019-107 pp.41-46 |
| MW | 2019-11-14 17:05 |
Okinawa | Minami Daido Villa. Tamokuteki Koryu Center | Multifunctional CRLH Transmission Line Stubs for Compact Class-E/Inverse-Class-E Power Amplifiers Hirotaka Asami, Shinichi Tanaka (Shibaura Inst. of Tech.) MW2019-109 |
This report presents CRLH transmission line (TL) stubs for realizing compact high-efficiency class-E / inverse class-E p... [more] | MW2019-109 pp.53-58 |
| EMCJ, MW, EST, IEE-EMC [detail] | 2019-10-24 10:55 |
Miyagi | Tohoku Gakuin University(Conf. Room 2, Eng. Bldg. 1) | 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 |
| NLP, CAS | 2019-10-22 09:50 |
Gifu | Gifu Univ. | A Parameter analysis on LC-matching circuits for mobile phone applications Satoshi Tanaka (Murata) CAS2019-25 NLP2019-65 |
The LC/CL-matching circuits are widely applied to the RF power amplifiers (PA). In particular, ladder-type LC/CL-matchi... [more] | CAS2019-25 NLP2019-65 pp.11-16 |
| SAT | 2019-10-10 15:20 |
Fukuoka | JR HAKATA CITY {10F RoomA+B} | Development of highly maintainable and reliable RF transceiver for satellite base stations Munehiro Matsui, Akira Matsushita, Fumihiro Yamashita (NTT) SAT2019-52 |
Maintainability and reliability is required for sustainable operation of satellite communication system. This paper pres... [more] | SAT2019-52 pp.21-26 |
| MSS, CAS, SIP, VLD | 2019-07-31 09:35 |
Iwate | Iwate Univ. | A Study on LC-Matching Circuits of Power Amplifiers for Mobile Phone Applications Satoshi Tanaka (Murata Manufacturing) CAS2019-12 VLD2019-18 SIP2019-28 MSS2019-12 |
The LC-matching circuits are widely applied to RF circuits such as the power amplifiers (PA), low noise amplifiers (LNA)... [more] | CAS2019-12 VLD2019-18 SIP2019-28 MSS2019-12 pp.49-54 |
| CAS, CS | 2019-03-09 14:35 |
Kanagawa | Shonan Institute of Technology | Analysis of Non-linearity on Heterojunction Bipolar Transistor Power Amplifiers for Mobile Phone Satoshi Tanaka (Murata) CAS2018-154 CS2018-122 |
In 5G (5th Generation) mobile phone, maximum modulation bandwidth is enlarged from100 to 400 MHz. In addition, complica... [more] | CAS2018-154 CS2018-122 pp.87-92 |
| ICD, CPSY, CAS | 2018-12-23 16:10 |
Okinawa | Comparison between Quadrature-modulation EPWM transmitters with a 90° and 180° hybrid in physical models Tomoaki Morita, Yohtraro Umeda (Tokyo Univ. of Science) CAS2018-115 ICD2018-99 CPSY2018-81 |
Quadrature-modulation envelope-pulse-width-modulation (EPWM) transmitter with a 180° (180HYB system) or 90° hybrid (90HY... [more] | CAS2018-115 ICD2018-99 CPSY2018-81 pp.153-158 |
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| MW | 2018-11-15 10:00 |
Nagasaki | Fukue Cultural Hall | 2-GHz-Band GaN HEMT Class-F Power Amplifiers Using CRLH-Transmission-Line-Stub Dual-Use Circuits for Harmonic Control and DC Biasing Tomoya Oda, Kento Saiki, Shinichi Tanaka (Shibaura Inst. of Tech.) MW2018-92 |
The next generation mobile communication systems impose challenging performance, size and cost requirements on the power... [more] | MW2018-92 pp.1-6 |
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