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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 41  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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, SR, SRW
(Joint)
2022-03-02
13:30
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 [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 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 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
(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 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 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 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 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) 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
CAS, CS 2019-03-08
15:50
Kanagawa Shonan Institute of Technology [Special Invited Talk] Development situation of RF analog co-Installed SoC for "60 GHz Band High Rate Close Proximity Radio System" and its conformity plan to various applications
Toru Taniguchi (HRCP) CAS2018-146 CS2018-114
In this paper, we introduce the status of LSI development that conforms to the "60 GHz band high speed proximity wireles... [more] CAS2018-146 CS2018-114
pp.41-46
SR, RCS
(Joint)
(2nd)
2018-10-30
13:30
Overseas Mandarin Hotel, Bangkok, Thailand [Poster Presentation] WPM-Based Transmission with Equalization-Aware Bit Loading
Sarbagya Buddhacharya, Poompat Saengudomlert (BU-CROCCS, Bangkok University)
Wavelet packet modulation (WPM) is an emerging multi-carrier modulation (MCM) technique, considered as a potential alter... [more]
SR, RCS
(Joint)
(2nd)
2018-10-31
10:25
Overseas Mandarin Hotel, Bangkok, Thailand [Poster Presentation] Performance Improvement of Adaptive MIMO Unipolar OFDM Using SVD for Indoor Optical Wireless Communications
Jariya Panta, Poompat Saengudomlert (Bangkok Univ.)
In this paper, multiple input and multiple output (MIMO) unipolar orthogonal frequency division multiplexing (U-OFDM) fo... [more]
IN, NS, CS, NV
(Joint)
2018-09-06
17:20
Miyagi Research Institute of Electrical Communication, Tohoku Univ. [Invited Lecture] Signal processing techniques for wired-wireless conversion in massive and/or latency-aware IoT environments
Yuki Yoshida (NICT), Paikun Zhu, Ken-ichi Kitayama (GPI), Kazunori Hayashi (Osaka City Univ.) NS2018-96 IN2018-30 CS2018-49
Diverse and extreme requirements in the 5G mobile and IoT services pose notable challenges to wireless backhaul networks... [more] NS2018-96 IN2018-30 CS2018-49
pp.47-52
OPE 2017-12-07
10:50
Okinawa   Fabrication of vertical PN junction phase shifter for Si optical modulator based on strip loaded waveguide
Yuriko Maegami, Guangwei Cong, Morifumi Ohno, Makoto Okano (AIST), Kazuto Itoh, Nobuhiko Nishiyama, Shigehisa Arai (Tokyo Tech), Koji Yamada (AIST) OPE2017-92
We fabricate a silicon optical phase shifter based on hydrogenated amorphous silicon (a-Si:H) strip-loaded waveguides on... [more] OPE2017-92
pp.13-18
WPT, EMCJ
(Joint)
2017-11-21
15:40
Tokyo Kikai-Shinko-Kaikan Bldg. Wireless Power and Data Transfer System
Takatoshi Shirosugi, Katsuei Ichikawa, Hitoshi Akiyama (Hitachi) WPT2017-51
In order to reduce the sensor wires, we have developed elemental technology and system about the Wireless Power and Data... [more] WPT2017-51
pp.39-43
SRW 2016-08-22
09:25
Chiba Nihon Univ. (Tsudanuma Campus) Soft Decision Decoding Method in Overload MIMO Receiver applied to The Lattice Reduction-Aided with a Virtual Channel
Ryosuke Sawada, Satoshi Denno (Okayama Univ.) SRW2016-34
This paper proposes a soft decision decoding receiver in overload MIMO-OFDM(Multiple-Input Multiple-Output - Orthogonal ... [more] SRW2016-34
pp.7-11
RCS 2016-06-23
10:40
Okinawa Univ. of the Ryukyus Performance Comparison of Overloaded MIMO System with and without Antenna Selection
Yasunori Nin, Hikari Matsuoka, Yukitoshi Sanada (Keio Univ.) RCS2016-63
This paper investigates the performance of an overloaded multiple-input multiple-output (MIMO) -
orthogonal frequency d... [more]
RCS2016-63
pp.99-104
AP, RCS, WPT, SAT
(Joint)
2015-11-06
10:55
Okinawa Okinawa Prefectural Museum & Art Museum Non-Contact Channel Estimation of Propagation Channel Using Load Modulation for Evaluating Miniaturized MIMO Antenna
Kazuya Takahashi, Naoki Honma (Iwate Univ.), Kentaro Murata (NDA), Yoshitaka Tsunekawa (Iwate Univ.) AP2015-145
In this paper, a non-contact channel estimation method suitable for a miniaturized MIMO (Multiple-Input Multiple-Output)... [more] AP2015-145
pp.201-206
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