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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 56  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
NS, RCS
(Joint)
2023-12-15
12:10
Fukuoka Kyushu Institute of Technology Tobata campus, and Online
(Primary: On-site, Secondary: Online)
Orthogonal Constellation Design for Complexity Reduction of Downlink SCMA Systems
Leo Tomura, Takahiko Saba (CIT) RCS2023-199
Sparse code multiple access (SCMA) is a non-orthogonal multiple access scheme which is to be used in the next generation... [more] RCS2023-199
pp.118-121
MIKA
(3rd)
2023-10-11
14:30
Okinawa Okinawa Jichikaikan
(Primary: On-site, Secondary: Online)
[Poster Presentation] Pulse Detection Method for Asynchronous Pulse Code Multiple Access in High Attenuation Environment
Mayu Horiuchi, Atsushi Nakamura (Tokyo Univ. of Sci.), Ferdinand Peper, Kenji Leibnitz (NICT), Naoki Wakamiya (Osaka Univ.), Maki Arai (Tokyo Univ. of Sci.), Kiyoshi Egawa (KYOWA), Mikio Hasegawa (Tokyo Univ. of Sci.)
Asynchronous Pulse Code Multiple Access (APCMA) has been proposed for accurate message separation and demodulation in hi... [more]
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] 2023-07-21
13:00
Hokkaido Muroran Institute of Technology
(Primary: On-site, Secondary: Online)
A Study on Topology Optimization of Nonlinear Optical Waveguide Device
Hayase Hirao, Akito Iguchi, Yasuhide Tsuji (Muroran IT) EMT2023-55 MW2023-73 OPE2023-55 EST2023-55 MWPTHz2023-51
All optical logic gates, which are challenging to design with linear material, are now possible with optical devices tha... [more] EMT2023-55 MW2023-73 OPE2023-55 EST2023-55 MWPTHz2023-51
pp.236-240
SR 2022-11-08
14:00
Fukuoka Fukuoka University
(Primary: On-site, Secondary: Online)
[Technology Exhibit] Demonstration of a high-density communication scheme APCMA using 500 transmitters
Kentaro Honda, Atsushi Nakamura, Kouhei Shiotsuka (TUS), Ferdinand Peper, Kenji Leibnitz (NICT), Naoki Wakamiya (Osaka Univ.), Mikio Hasegawa (TUS) SR2022-65
Asynchronous Pulse Code Multiple Access (APCMA) has been proposed as a new Low Power Wide Area (LPWA) network technology... [more] SR2022-65
pp.105-108
CCS, NLP 2022-06-10
15:15
Osaka
(Primary: On-site, Secondary: Online)
Performance evaluation of CSS-APCMA applied to Massive IoT LPWA using GNU Radio/USRP
Atsushi Nakamura, Kentaro Honda (Tokyo Univ. of Sci.), Ferdinand Peper, Kenji Leibnitz (NICT), Naoki Wakamiya (Osaka Univ.), Mikio Hasegawa (Tokyo Univ. of Sci.) NLP2022-21 CCS2022-21
Asynchronous Pulse Code Multiple Access (APCMA) can avoid collisions even in high-density IoT environments. When multipl... [more] NLP2022-21 CCS2022-21
pp.106-110
EST 2022-05-19
13:00
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Topology Optimal Design of Optical Device Using Covariance Matrix Adaptation Evolution Strategy and Function Expansion Method
Hiroki Maruyama, Akito Iguchi, Yasuhide Tsuji (Muroran IT), Tatsuya Kashiwa (Kitami IT) EST2022-1
In order to develop high performance photonic devices, topology optimization method has been attracted a lot of attentio... [more] EST2022-1
pp.1-5
RCS, NS
(Joint)
2021-12-16
11:25
Nara Nara-ken Bunka Kaikan and Online
(Primary: On-site, Secondary: Online)
Codebook design in SCMA system with power distribution.
Daigo Hashimoto, Han Chenggao (UEC) RCS2021-177
In Code-Domain NOMA (Non-Orthogonal Multiple Access), the accuracy of MPA (Message Passing Algorithm) detection depends ... [more] RCS2021-177
pp.13-18
MRIS, ITE-MMS 2021-10-08
15:35
Online Online Voltage-induced coercivity change in Pt/Co/CoO/amorphous TiOx structure
Tomohiro Nozaki, Shingo Tamaru, Makoto Konoto, Takayuki Nozaki, Hitoshi Kubota, Akio Fukushima, Shinji Yuasa (AIST) MRIS2021-9
Voltage controlled magnetic anisotropy (VCMA) effect has been attracted attention as a low power consumption spin manipu... [more] MRIS2021-9
pp.13-16
SRW, SeMI, CNR
(Joint)
2020-11-26
17:20
Online Online [Poster Presentation] A Study on SCMA/OFDMA System Selection Employing Deep Learning Based on User Position Information
Yuta Kumagai, Naoya Gonda, Yukiko Shimbo, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.) SRW2020-33
(To be available after the conference date) [more] SRW2020-33
pp.40-41
RCS, SR, SRW
(Joint)
2020-03-06
13:30
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
[Poster Presentation] A Study on User Clustering for Uplink SCMA/OFDMA Employing Channel Gain
Yuta Kumagai, Naoya Gonda, Shinichi Ozaku, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.) RCS2019-404 SR2019-138 SRW2019-88
(To be available after the conference date) [more] RCS2019-404 SR2019-138 SRW2019-88
pp.407-408(RCS), pp.131-132(SR), pp.131-132(SRW)
SRW, SeMI, CNR
(Joint)
2019-11-06
13:25
Tokyo Kozo Keisaku Engineering Inc. [Poster Presentation] A Study on Uplink User Allocation Using Simultaneously SCMA and OFDMA
Naoya Gonda, Shinichi Ozaku, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.) SRW2019-37 SeMI2019-81 CNR2019-31
(To be available after the conference date) [more] SRW2019-37 SeMI2019-81 CNR2019-31
pp.59-60(SRW), pp.79-80(SeMI), pp.57-58(CNR)
MIKA
(2nd)
2019-10-03
11:15
Hokkaido Hokkaido Univ. [Poster Presentation] Error Probability Performance of a multiple access system using sparse superposition codes
Hayato Tachiwana, Yutaka Jitsumatsu (Kyushu Univ.)
Sparse Code Multiple Access (SCMA), which is one of the machine type communication methods in mobile communication, avoi... [more]
RCS, SAT
(Joint)
2019-08-22
09:25
Aichi Nagoya University A Study on a Performance Improvement by Cyclic Redundancy Check for Large-Scale SCMA Detection
Renjie Li, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara (Hokkaido Univ.) RCS2019-147
SCMA attracts attention as a non-orthogonal multiple access method for device-to-device communi- cation. Generally, NOMA... [more] RCS2019-147
pp.7-12
CQ 2019-05-30
13:45
Hiroshima Hiroshima City University A proposal on propagation environmental control by virtual massive array
Issei Watanabe, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Tomoki Murakami (NTT) CQ2019-15
With the rapid spread of wireless communication devices such as smartphones in recent years, mobile communication traffi... [more] CQ2019-15
pp.23-26
CQ 2019-05-30
14:35
Hiroshima Hiroshima City University Proposal of beam-forming method in FDD systems for WPT terminal stations
Masaki Igarashi, Kentaro Nishimori (Niigata Univ.) CQ2019-18
The band adjacent to the frequency (5.7 GHz) used in space transmission wireless power transmission
(WPT) is allocated ... [more]
CQ2019-18
pp.39-42
RCS, SR, SRW
(Joint)
2019-03-06
10:55
Kanagawa YRP A Study on Criterion of Adaptively Scaled Belief for GaBP in Massive SCMA
Keisuke Inagaki, Takumi Takahashi, Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) RCS2018-286
In this paper, we apply Gaussian belief propagation (GaBP) to the multi-user detection (MUD) in massive sparse code mult... [more] RCS2018-286
pp.25-30
PRMU, CNR 2019-03-01
10:15
Tokushima   PRMU2018-126 CNR2018-49 (To be available after the conference date) [more] PRMU2018-126 CNR2018-49
pp.65-70
AP 2018-10-19
14:50
Okayama Okayama Univ. Evaluation of Downlink Multi-Beam Massive MIMO Considering MAC Layer
Fumiya Muramatsu, Kentaro Nishimori, Ryotaro Taniguchi, Yuki Yaku (Niigata Univ.), Takefumi Hiraguri (NIT) AP2018-100
Massive MIMO transmission has been attracted as a key technology of the next generation mobile communication system.
In... [more]
AP2018-100
pp.65-70
AP, SANE, SAT
(Joint)
2018-07-19
13:35
Hokkaido Hokkaido Univ. Performance of single carrier based multi-beam massive MIMO considering real propagation environment
Ryuki Maruyama, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Takefumi Hiraguri (NIT.) AP2018-53
Massive MIMO transmission, whose number of antennas is much larger than the number of user terminals, has been attracted... [more] AP2018-53
pp.67-72
AP, SANE, SAT
(Joint)
2018-07-19
14:25
Hokkaido Hokkaido Univ. Performance Evaluation of Multi-Beam Massive MIMO Using 64 Multi-Beam Pattern
Akinori Kudo, Kentaro Nishimori, Ryotaro Taniguchi, Shota Ogawa, Fumiya Muramatsu (Niigata Univ.), Takefumi Hiraguri (NIT.), Jiro Hirokawa (Tokyo Tech.) AP2018-55
Multi-beam massive MIMO configuration has been proposed that utilizes the beam selection with high power in an analog pa... [more] AP2018-55
pp.79-84
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