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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 145  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCC, ISEC, IT, WBS 2024-03-14
14:15
Osaka Osaka Univ. (Suita Campus) A selection method of candidate constellation for the superimposed QAM signal method to reduce PAPR in OFDM system
Takashi Aoki, Tsuyoshi Arai, Hiroshi Inai, Hideaki Wakabayashi (Okayama Prefectural Univ.)
(To be available after the conference date) [more]
MW 2023-12-22
10:00
Shizuoka Shizuoka University (Hamamatsu Campus)
(Primary: On-site, Secondary: Online)
3.7GHz Unequal LC-Ladder Divider Using Quasi-Lumped-Elements
Masatoshi Fukunaga, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2023-153
We have designed and fabricated unequal power dividers that combine and divide microwaves at an arbitrary ratio at the r... [more] MW2023-153
pp.24-28
CQ, MIKA
(Joint)
(2nd)
2023-08-31
10:50
Fukushima Tenjin-Misaki Sports Park [Poster Presentation] Study on TDM-Based Wireless Power Transfer in Time Variant Channels
Yuna Sawada, Shino Shiraki, Chika Yajima, Takahiro Matsuda (TMU), Takefumi Hiraguri (NIT), Kazuki Maruta (TUS), Tomotaka Kimura (DU)
We evaluate the performance of TDM (Time Division Multiplexing)-based wireless power transfer (WPT) systems with simulat... [more]
CS 2023-07-27
09:53
Tokyo Hachijo-machi Chamber of Commerce and Industry Performance Evaluation of TDM-Based Wireless Power Transfer in Time Variant Channels
Yuna Sawada, Shino Shiraki, Chika Yajima, Takahiro Matsuda (TMU), Takefumi Hiraguri (NIT), Kazuki Maruta (TUS), Tomotaka Kimura (DU) CS2023-24
We evaluate the performance of TDM (Time Division Multiplexing)-based wireless power transfer systems with simulation ex... [more] CS2023-24
pp.20-25
CS 2023-07-28
14:30
Tokyo Hachijo-machi Chamber of Commerce and Industry A Precoding Scheme to Suppress both Out-of-Band Emission and Peak Power of OFDM Signals using Trapezoidal Block Householder Reflector
Hikaru Kawasaki, Takeshi Matsumura (NICT) CS2023-57
The authors have proposed a trapezoidal block Householder reflector (TBHR) to represent a unitary matrix in orthonormali... [more] CS2023-57
pp.157-162
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] 2023-07-21
09:10
Hokkaido Muroran Institute of Technology
(Primary: On-site, Secondary: Online)
Experimental Study of Five-way Divider Utilizing Unequal LC-ladder dividers
Masatoshi Fukunaga, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) EMT2023-49 MW2023-67 OPE2023-49 EST2023-49 MWPTHz2023-45
In recent years, microwave technology has been used in various fields such as next generation mobile communication syste... [more] EMT2023-49 MW2023-67 OPE2023-49 EST2023-49 MWPTHz2023-45
pp.202-207
MICT, WBS, RCC, SAT
(Joint) [detail]
2023-05-25
15:50
Tokyo TOKYO BIG SIGHT
(Primary: On-site, Secondary: Online)
Performance Evaluation of OFDMA-based Full Duplex Wireless Powered Communication Networks
Keigo Hirashima, Teruyuki Miyajima (Ibaraki Univ.) WBS2023-3 RCC2023-3
In this paper, we propose an orthogonal frequency multiple access (OFDMA)-based full-duplex wireless powered communicati... [more] WBS2023-3 RCC2023-3
pp.13-18
PN 2023-03-02
17:00
Okinawa
(Primary: On-site, Secondary: Online)
Rapid Optimization of Input Power to Optical Fiber Transmission Lines Considering Stimulated Raman Scattering in C + L Multiband Wavelength-Division-Multiplexed Networks
Kenta Hirose, Hiroki Sakuma, Takafumi Fukatani, Masahiro Nakagawa, Takeshi Seki, Takashi Miyamura, Takeshi Kuwahara (NTT) PN2022-71
Power transition induced by inter-channel stimulated Raman scattering (ISRS) in optical fibers affects signal quality, a... [more] PN2022-71
pp.155-158
CQ, CBE
(Joint)
2023-01-26
13:10
Ibaraki Epochal Tsukuba International Congress Center
(Primary: On-site, Secondary: Online)
Optimal Scheduling for TDM-Based Wireless Power Transfer Using Receiver Grouping
Yuna Sawada, Takumu Uda, Takahiro Matsuda (TMU), Takefumi Hiraguri (NIT), Tomotaka Kimura (DU), Kazuki Maruta (TUS) CQ2022-65
In MISO (Multiple-Input Single-Output)-based wireless power transfer (WPT) systems, TDM (Time Division Multiplexing) sch... [more] CQ2022-65
pp.23-28
MW 2022-12-15
13:55
Mie Jingu-Kaikan(Ise)
(Primary: On-site, Secondary: Online)
Experimental Study of Unequal LC-Ladder Dividers with Arbitrary Two Matching Frequencies
Masatoshi Fukunaga, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2022-133
The Wilkinson power divider of a 3-port network is one of the important circuit elements widely used not only for dividi... [more] MW2022-133
pp.11-15
WPT
(2nd)
2022-12-05
- 2022-12-06
Kyoto Uji Obaku Plaza Kihada Hall, Uji Campus, Kyoto University
(Primary: On-site, Secondary: Online)
Investigation of Data Transmission for Wireless Power Transfer System in Seawater
Ramadhan Nur Adabi, Mamiko Inamori, Keigo Uehara, Naoto Shibata, Shinnosuke Ito (Tokai Univ.)
Wireless power transfer systems have been attracting attention in recent years. This paper investigates the possibility ... [more]
CAS, NLP 2022-10-20
13:25
Niigata
(Primary: On-site, Secondary: Online)
A Study on Wireless Transmission of Power Packets for Power Sharing.
Takahiro Mamiya, Shiu Mochiyama, Takashi Hikihara (Kyoto Univ.) CAS2022-20 NLP2022-40
A power packet is a time-divided power pulse with an information tag. Power packetization enables time-division multiple... [more] CAS2022-20 NLP2022-40
pp.6-10
MIKA
(3rd)
2022-10-14
10:40
Niigata Niigata Citizens Plaza
(Primary: On-site, Secondary: Online)
[Poster Presentation] Study on Receiver Grouping-Based Optimal Scheduling for Wireless Power Transfer
Yuna Sawada, Takumu Uda, Takahiro Matsuda (former TMU), Takefumi Hiraguri (former NIT), Tomotaka Kimura (former DU), Kazuki Maruta (former TUS)
In MISO (Multiple-Input Single-Output)-based wireless power transfer (WPT) systems, TDM (Time Division Multiplexing) sch... [more]
SAT, RCS
(Joint)
2022-08-26
10:15
Hokkaido
(Primary: On-site, Secondary: Online)
Constant Amplitude Modulation for NOMA-OFDM Wireless Communications
Wang Zihan, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech) RCS2022-115
In wireless communications, non-orthogonal multiple access (NOMA), which combines and transmit multiple user signals, ca... [more] RCS2022-115
pp.102-107
NS, SR, RCS, SeMI, RCC
(Joint)
2022-07-14
09:40
Ishikawa The Kanazawa Theatre + Online
(Primary: On-site, Secondary: Online)
[Invited Lecture] Study on Integration of Wireless Power Transfer to Data Communication for Full-Wireless Society
Naoki Hasegawa (SB) RCC2022-25 NS2022-38 RCS2022-79 SR2022-25 SeMI2022-29
In Society 5.0, an explosive increase in IoT and sensors is expected.
In this work, we discuss a fusion between data c... [more]
RCC2022-25 NS2022-38 RCS2022-79 SR2022-25 SeMI2022-29
pp.37-42(RCC), pp.60-65(NS), pp.55-60(RCS), pp.25-30(SR), pp.47-52(SeMI)
IT, ISEC, RCC, WBS 2022-03-11
11:35
Online Online Power Allocation and SNR Evolution of Partial-Access IDMA Systems
Masaya Yamagishi, Tomotaka Kimura, Jun Cheng (Doshisha Univ) IT2021-112 ISEC2021-77 WBS2021-80 RCC2021-87
The power allocation is proposed for $K$-user partial-access IDMA systems. In the systems, the users are divided into $K... [more] IT2021-112 ISEC2021-77 WBS2021-80 RCC2021-87
pp.168-173
WPT 2022-03-08
10:00
Kyoto
(Primary: On-site, Secondary: Online)
Phase Conjugate Circuit for Double Frequency Retrodirective
Mizuki Kataoka, Bo Yang, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) WPT2021-33
We propose a novel retrodirective system on microwave power transmission (MPT) for the interference reduction. The retro... [more] WPT2021-33
pp.58-61
MW 2021-11-18
16:30
Kagoshima Kagoshima University
(Primary: On-site, Secondary: Online)
Design of Dual-Band Semi-Lumped Element Power Divider with Constant Absolute Bandwidth
Ayumu Tsuchiya, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2021-73
In recent years, the dramatic evolution of information and communication technology and the expansion of its fields of u... [more] MW2021-73
pp.35-39
WPT, UWT
(Joint)
2021-11-12
15:45
Online Online A Proposal of Digging System Based on Wirelessly Powered Drill Pipe String Needless of Battery Exchange
Daisuhe Kitagawa, Toshio Ishizaki (Ryukoku Univ.), Tomoya Inoue, Junya Isiwata (JAMSTEC), Ikuo Awai (Fuji Waves) WPT2021-10
We propose the concept of a sensor system which extends the contactless power transfer system for undersea drilling we h... [more] WPT2021-10
pp.6-10
MIKA
(3rd)
2021-10-28
10:30
Okinawa
(Primary: On-site, Secondary: Online)
[Poster Presentation] Power Allocations for Partial-Access IDMA Systems and Their Performance
Masaya Yamagishi, Tomotaka Kimura, Jun Cheng (Doshisha Univ.)
$K$-user partial-access (PA) IDMA system is the IDMA system in which the 0s, i.e., nonenergy transmission, are inserted ... [more]
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