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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 112  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCC, ISEC, IT, WBS 2024-03-13
- 2024-03-14
Osaka Osaka Univ. (Suita Campus) A Study on a Link Design Method based on the Meteor Burst Communication Channel Model
Hiroto Iwasaki, Kaishi Mukumoto, Tadahiro Wada (Shizuoka Univ.) IT2023-86 ISEC2023-85 WBS2023-74 RCC2023-68
Meteor bursts are roughly classified into underdense and overdense bursts according to their line electron density. As f... [more] IT2023-86 ISEC2023-85 WBS2023-74 RCC2023-68
pp.72-77
ED, MWPTHz 2023-12-22
10:00
Miyagi RIEC, Tohoku Univ.
(Primary: On-site, Secondary: Online)
[Invited Talk] Development of high-peak-power sub-terahertz-wave parametric source toward electron acceleration
Yuma Takida, Hiroaki Minamide (RIKEN) ED2023-59 MWPTHz2023-69
We have been developing a sub-terahertz-wave source for potential application of electron acceleration by sub-terahertz ... [more] ED2023-59 MWPTHz2023-69
pp.29-31
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
SeMI, RCS, RCC, NS, SR
(Joint)
2023-07-13
13:25
Osaka Osaka University Nakanoshima Center + Online
(Primary: On-site, Secondary: Online)
Peak Cancellation Signal-Based PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals under Frequency-Selective Fading Channel
Jun Saito, Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-92
In this paper, we propose a parallel peak cancellation (PC) method in the peak-to-average power ratio (PAPR) reduction u... [more] RCS2023-92
pp.64-69
RCS 2023-06-15
10:00
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
A Study on Joint Peak Cancellation and In-band Distortion Compensation for Precoded Massive MIMO-OFDM with Uniform Planar Array, Part-II
Mirena Omoto, Riku Nojima, Osamu Muta (Kyushu Univ.), Kazuki Maruta (Tokyo Univ. of Science) RCS2023-50
The authors have proposed an in-band distortion compensation (IDC) scheme for peak cancellation (PC) based peak-to-avera... [more] RCS2023-50
pp.129-134
RCC, ISEC, IT, WBS 2023-03-14
09:00
Yamaguchi
(Primary: On-site, Secondary: Online)
Improvement of the meteor burst channel model and comparison with results of the experiment in Indonesia
Hiroto Iwasaki, Kaiji Mukumoto, Tadahiro Wada (Shizuoka Univ.) IT2022-68 ISEC2022-47 WBS2022-65 RCC2022-65
Meteor bursts are roughly classified into underdense and overdense bursts according to their line electron density. As f... [more] IT2022-68 ISEC2022-47 WBS2022-65 RCC2022-65
pp.1-6
EE 2023-01-20
12:50
Fukuoka Kyushu Institute of Technology
(Primary: On-site, Secondary: Online)
Dynamic Characteristics of Digital Current Mode POL Power Supply
Ayumu Matsushita, Kazuhiro Kajiwara, Fujio Kurokawa (NiAS) EE2022-47
This paper presents the dynamic characteristics of a digital voltage mode control and a digital current mode control POL... [more] EE2022-47
pp.117-122
RCS, NS
(Joint)
2022-12-15
15:45
Aichi Nagoya Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
A Study on Precoding Criterion for In-band Distortion Compensation in Massive MIMO-OFDM with Peak Cancellation
Tomofumi Makita, Riku Nojima, Osamu Muta (Kyushu Univ.), Kazuki Maruta (Tokyo Univ. of Science) RCS2022-195
Recently, an enhanced peak cancellation (PC) scheme with an in-band distortion compensation (IDC) for peak– to-average p... [more] RCS2022-195
pp.51-56
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
14:50
Ishikawa The Kanazawa Theatre + Online
(Primary: On-site, Secondary: Online)
A Study on Joint Peak Cancellation and In-band Distortion Compensation for Precoded Massive MIMO-OFDM with Uniform Planar Array
Riku Nojima, Osamu Muta, Tomofumi Makita (Kyushu Univ.), Kazuki Maruta (Tokyo Univ. of Science) RCS2022-88
This paper proposes an in-band distortion redKM{compensation} (IDC) scheme for peak cancellation (PC) based peak-to-aver... [more] RCS2022-88
pp.101-106
SIS, IPSJ-AVM 2022-06-10
11:40
Fukuoka KIT(Wakamatsu Campus)
(Primary: On-site, Secondary: Online)
An embedded-oriented sound classification system using reservoir computing
Yuichiro Tanaka, Issei Uchino (Kyutech), Kazunobu Ohkuri (Sony), Hakaru Tamukoh (Kyutech) SIS2022-9
Although deep neural networks (DNNs) have achieved state-of-the-art results in sound classification tasks in recent year... [more] SIS2022-9
pp.41-44
EA, SIP, SP, IPSJ-SLP [detail] 2022-03-01
14:45
Okinawa
(Primary: On-site, Secondary: Online)
Target speaker extraction based on conditional variational autoencoder and directional information in underdetermined condition
Rui Wang, Li Li, Tomoki Toda (Nagoya Univ) EA2021-76 SIP2021-103 SP2021-61
This paper deals with a dual-channel target speaker extraction problem in underdetermined conditions. A blind source sep... [more] EA2021-76 SIP2021-103 SP2021-61
pp.76-81
EMM 2022-01-27
15:00
Online Online Speech Watermarking Approach for Securing Speaker Anonymization using McAdams Coefficients
Candy Olivia Mawalim, Masashi Unoki (JAIST) EMM2021-88
Speaker anonymization aims to suppress speaker individuality to protect privacy in speech while preserving the other asp... [more] EMM2021-88
pp.25-30
RCS, SIP, IT 2022-01-20
11:45
Online Online A Study on Effectiveness Evaluation of FTN Signaling in the Presence of Nonlinear Distortion under Multipath Fading Channels
Atsuya Nakamura, Yuta Kumagai, Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Keita Kuriyama, Yu Ono, Hayato Fukuzono, Masafumi Yoshioka (NTT), Fumiaki Maehara (Waseda Univ.) IT2021-33 SIP2021-41 RCS2021-201
This report investigates the throughput performance of faster-than-Nyquist (FTN) signaling in the presence of nonlinear ... [more] IT2021-33 SIP2021-41 RCS2021-201
pp.30-33
MIKA
(3rd)
2021-10-29
10:30
Okinawa
(Primary: On-site, Secondary: Online)
[Poster Presentation] Adaptive In-band Distortion Compensation for Massive MIMO-OFDM Systems with Deep Peak Cancellation
HIroki Hase, Osamu Muta (Kyushu Univ.)
In massive multi-input multi-output (mMIMO) orthogonal frequency division multiplexing (OFDM) systems, the reduction of ... [more]
RCS 2021-06-23
13:20
Online Online Investigation on Complexity Reduction in Peak Cancellation Signal-Based PAPR Reduction Method Using Null Space in MIMO Channel
Kenta Hosoi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2021-38
In this paper, we propose an algorithm to further reduce the computational complexity of the peak-to-average power ratio... [more] RCS2021-38
pp.56-61
RCS 2020-06-25
13:25
Online Online PC-Signal-Based PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals under Frequency-Selective Fading Channel
Leon Yamaguchi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-36
In this paper, we propose a computational complexity-efficient algorithm for the adaptive peak-to-average power ratio (P... [more] RCS2020-36
pp.79-84
IT, SIP, RCS 2020-01-23
10:50
Hiroshima Hiroshima City Youth Center Parallelly Processed Adaptive PAPR Reduction Method Using Null Space in MIMO Channel based on Peak Cancellation Signal for MIMO-OFDM Signals
Taku Suzuki, Mikihito Suzuki, Kenichi Higuchi (Tokyo Univ. of Science) IT2019-42 SIP2019-55 RCS2019-272
In this paper,an algorithm to reduce the required iterations for the peak-to-average power ratio (PAPR) reduction is pro... [more] IT2019-42 SIP2019-55 RCS2019-272
pp.37-43
RCS 2019-06-20
09:40
Okinawa Miyakojima Hirara Port Terminal Building Investigation on Efficient Construction Scheme of Peak Cancellation Signals in Complexity-Reduced PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals
Taku Suzuki, Mikihito Suzuki (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2019-64
In this paper, we investigate efficient construction schemes of the peak cancellation (PC) signals in the complexity-red... [more] RCS2019-64
pp.161-167
RCS 2019-06-21
15:25
Okinawa Miyakojima Hirara Port Terminal Building Complexity-Reduced Algorithm for Adaptive PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals
Mikihito Suzuki, Taku Suzuki (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2019-97
In this paper, we propose a computational complexity-reduced algorithm for our previously reported adaptive peak-to-aver... [more] RCS2019-97
pp.353-358
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