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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 170  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
US 2024-02-27
15:50
Tokyo Tokyo Metropolitan Industrial Technology Research Institute (TIRI) Improvement of time reversal acoustic focusing applied with modulated signal
Ayumu Takahashi, Hideyuki Nomura (UEC) US2023-79
(To be available after the conference date) [more] US2023-79
pp.29-31
OCS, LQE, OPE 2023-10-19
15:15
Kochi
(Primary: On-site, Secondary: Online)
Impact of Reflections at MMI Combiner in Mach-Zehnder Silicon Optical Modulators: Towards Extrinsic OMA Enhancement
Tadashi Murao (Mitsubishi Electric), Tsuyoshi Horikawa (Tokyo Tech.) OCS2023-34 OPE2023-89 LQE2023-36
The realization of high dynamic extinction ratio (ER) and optical modulation amplitude (OMA) while keeping the optical a... [more] OCS2023-34 OPE2023-89 LQE2023-36
pp.37-40
MW, EMCJ, EST, IEE-EMC [detail] 2023-10-20
10:00
Yamagata Yamagata University
(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
EE 2023-01-20
14:40
Fukuoka Kyushu Institute of Technology
(Primary: On-site, Secondary: Online)
Analysis and Design on a Receiver-side PWM-based Load-Independent ZVS Class-E2 Wireless Power Transfer
Shoma Shimizu, Tomokazu Mishima (Kobe Univ.) EE2022-51
A high efficiency and low-profile high frequency,(HF) power converter is essential for a magnetically resonant wireless ... [more] EE2022-51
pp.139-144
MW 2022-11-15
13:00
Nagasaki Fukue-Bunka-Kaikan
(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
OPE, OCS, LQE 2022-10-20
15:45
Ehime
(Primary: On-site, Secondary: Online)
Theoretical and Experimental Investigation of Frequency Chirp Induced by Inter-Arm Imbalance in Mach-Zehnder Silicon Optical Modulators
Tadashi Murao, Jun Ushida, Hiroyuki Takahashi, Masatoshi Tokushima, Akemi Shiina, Tsuyoshi Horikawa (PETRA) OCS2022-22 OPE2022-68 LQE2022-31
Characteristic variations caused by nonuniformities in the fabrication process are inevitable in carrier-depletion Mach–... [more] OCS2022-22 OPE2022-68 LQE2022-31
pp.28-33
OFT 2022-10-13
09:30
Kanagawa Kanagawa-Kenmin Center
(Primary: On-site, Secondary: Online)
[Poster Presentation] Extension of measurement range in OCDR based on double-modulation scheme
Mana Sakamoto (YNU/SIT), Tomoya Miyamae (YNU), Kohei Noda (YNU/Tokyo Tech), Kentaro Nakamura (Tokyo Tech), Heeyoung Lee (SIT), Yosuke Mizuno (YNU) OFT2022-20
For the past several decades, as a promising method for monitoring the soundness of optical fiber communication networks... [more] OFT2022-20
pp.9-12
AP, MW
(Joint)
2022-09-15
11:35
Ehime The Museum of Art, EHIME
(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 2022-06-16
10:35
Okinawa University of the Ryukyus, Senbaru Campus and online
(Primary: On-site, Secondary: Online)
Performance Evaluation of Radio-Wave Encrypted Modulation Method by Wireless Transmission Experiments
Yuki Mori, Keisuke Asano, Eiji Okamoto (NITech) RCS2022-44
In recent years, it has become important to enhance the confidentiality of communications, and we have proposed a chaos ... [more] RCS2022-44
pp.120-125
MW 2022-05-20
13:25
Kyoto Kyoto Univ.
(Primary: On-site, Secondary: Online)
Near-field Metamaterial-based WPT system with FSK Demodulation in CMOS Technology
Mohd Khairi Bin Zulkalnain, Shimaa Alshhawy, Kan Terazawa, Adel Barakat, Ramesh Pokharel (九大) MW2022-21
Near-field Metamaterial-based WPT system can enable over coupling mode by improving the transmitter (TX)/receiver (RX) c... [more] MW2022-21
pp.32-35
ED, MW 2022-01-27
16:05
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
RCS, SIP, IT 2022-01-20
11:20
Online Online A study on application of differential trellis-coded OFDM employing multiple differential detection with channel prediction
Kota Iwamoto, Hiroshi Kubo (Ritsumeikan Univ.) IT2021-32 SIP2021-40 RCS2021-200
This paper discusses differential orthogonal frequency division multiplexing (OFDM) for severe time and frequency select... [more] IT2021-32 SIP2021-40 RCS2021-200
pp.24-29
CQ, ICM, NS, NV
(Joint)
2021-11-25
11:55
Fukuoka JR Hakata Stn. Hakata EkiHigashi Rental Room
(Primary: On-site, Secondary: Online)
Routing and Wavelength Assignment based on Quality of Transmission and Modulation
Hanami Yokoi, Kohjun Koshiji, Yasuharu Kaneko, Tatsuya Matsukawa, Takashi Miyamura (NTT) NS2021-87
In recent years, with the increase in the speed and capacity of optical transmission networks, it is necessary to operat... [more] NS2021-87
pp.18-23
MW 2021-11-19
11:25
Kagoshima Kagoshima University
(Primary: On-site, Secondary: Online)
A Study of Transmit Wi-Fi Signal's Modulation Scheme in Wi-Fi Backscatter Communication System -- Difference between Single-Carrier and Multi-Carrier Modulations --
Yuki Fujiya, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) MW2021-78
In the era of Society 5.0 or Industry 4.0, wireless Internet of Things (IoT) becomes a key technology for the realizatio... [more] MW2021-78
pp.64-68
AP, RCS
(Joint)
2021-11-12
11:45
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
A Study on Generalized Time-Frequency Spatial Modulation System
Tomoya Aoyama, Hou Yafei, Satoshi Denno (Okayama Univ) RCS2021-171
In recent years, with the proliferation of wireless devices such as smartphones, commercial services of the 5th generati... [more] RCS2021-171
pp.148-153
OCS, OPE, LQE 2021-10-22
16:30
Online Online Compact Model and Parametric Extraction for Optical Phase Shifters in Carrier-Depletion Mach-Zehnder Silicon Modulators
Tadashi Murao, Jun Ushida, Hiroyuki Takahashi, Masatoshi Tokushima, Akemi Shiina, Tsuyoshi Horikawa (PETRA) OCS2021-18 OPE2021-38 LQE2021-17
Testing processes in silicon photonics are totally different from electronics and reduction of testing time has been an ... [more] OCS2021-18 OPE2021-38 LQE2021-17
pp.27-32
OCS, OPE, LQE 2021-10-22
16:55
Online Online Theoretical and Experimental Investigation of OMA Penalty by Inter-Arm Imbalance in Mach-Zehnder Silicon Optical Modulators
Tadashi Murao, Jun Ushida, Hiroyuki Takahashi, Masatoshi Tokushima, Akemi Shiina, Tsuyoshi Horikawa (PETRA) OCS2021-19 OPE2021-39 LQE2021-18
In this paper, an inter-arm imbalance and its impact on the optical modulation amplitude (OMA) are investigated for carr... [more] OCS2021-19 OPE2021-39 LQE2021-18
pp.33-38
PN 2021-08-31
14:50
Online Online Evaluation of power adaptive IQ multiplexed 16QAM method for downlink transmission of coherent PON system
Mizuki Inagaki (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.) PN2021-24
In the downlink transmission of a coherent PON system using QAM modulation, when IQ multiplexing, which allocates I-axis... [more] PN2021-24
pp.69-73
EE, IEE-SPC 2021-07-19
10:55
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
RCS, SR, NS, SeMI, RCC
(Joint)
2021-07-15
13:00
Online Online Wired Transmission Experiments of Chaos Coded Modulation Method Using Software-Defined Radio
Kenya Tomita, Mamoru Okumura, Eiji Okamoto (NIT) RCC2021-30 NS2021-46 RCS2021-88 SR2021-28 SeMI2021-22
In recent years, with the progress on commercialization of the fifth-generation mobile communications system (5G), wirel... [more] RCC2021-30 NS2021-46 RCS2021-88 SR2021-28 SeMI2021-22
pp.37-42(RCC), pp.75-80(NS), pp.55-60(RCS), pp.42-47(SR), pp.51-56(SeMI)
 Results 1 - 20 of 170  /  [Next]  
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