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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 160  /  [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 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.) IT2023-122 ISEC2023-121 WBS2023-110 RCC2023-104
Modulated signal of Orthogonal Frequency Division Multiplexing (OFDM) systems tend to have a large peak-to-average power... [more] IT2023-122 ISEC2023-121 WBS2023-110 RCC2023-104
pp.294-299
SIP, IT, RCS 2024-01-19
14:55
Miyagi
(Primary: On-site, Secondary: Online)
Performance of the Joint PAPR Reduction Method Using Null Space in Channel for MIMO-OFDM Signals and Predistortion Techniques in Multiple-Antenna AF-type Relay Transmission
Asuka Kakehashi, Kenichi Higuchi (Tokyo Univ. of Science) IT2023-69 SIP2023-102 RCS2023-244
The combination of the peak-to-average power ratio (PAPR) reduction and predistortion (PD) technique removes the nonline... [more] IT2023-69 SIP2023-102 RCS2023-244
pp.211-216
RCS, SAT
(Joint)
2023-09-01
13:40
Nagano Naganoken Nokyo Building, and online
(Primary: On-site, Secondary: Online)
Signal design of polar coded downlink NOMA satellite communication considering PAPR constraints
Keita Ito, Yuto Hama, Hideki Ochiai (YNU) RCS2023-122
Non-terrestrial network(NTN), consisting of high altitude platform station(HAPS) along with conventional geostationary s... [more] RCS2023-122
pp.101-106
SeMI, RCS, RCC, NS, SR
(Joint)
2023-07-13
13:00
Osaka Osaka University Nakanoshima Center + Online
(Primary: On-site, Secondary: Online)
PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals at Multiple-Antenna AF Relay Station Considering Direct Link
Asuka Kakehashi (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-91
In this study, assuming downlink amplify-and-forward (AF)-type relaying of multiple-input multiple-output (MIMO)-orthogo... [more] RCS2023-91
pp.58-63
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
RCS 2023-06-15
10:10
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
Investigation of PAPR Reduction Method Using Null Space in MIMO Channel for Massive MIMO-OFDM Signals with Uniform Planar Array
Soma Taguchi (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-51
In this paper, we consider the application of our previously reported PCCNC (peak cancellation with channel-null constra... [more] RCS2023-51
pp.135-140
RCS 2023-06-15
10:30
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
PAPR Reduction Method Utilizing Difference in Eigenvalues Among Spatial Channels in Uplink Eigenmode Massive MIMO Transmission
Yuta Abekura (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-52
In this paper, we propose a peak-to-average power ratio (PAPR) reduction method utilizing difference in eigenvalues amon... [more] RCS2023-52
pp.141-146
RCS 2023-06-15
10:40
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
A Study on PAPR Reduction Method Based on Commonly Reserved Tones Among Multiple Users in FDMA Uplink
Ryusei Yamazaki (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-53
This paper proposes a tone reservation (TR) method using common reserved tones among users for suppressing the peak-to-a... [more] RCS2023-53
pp.147-152
RCC, ISEC, IT, WBS 2023-03-15
09:30
Yamaguchi
(Primary: On-site, Secondary: Online)
A Study on Systematic Design of Geometric Shaping for BICM Systems
Eito Kurihara, Hideki Ochiai (YNU) IT2022-117 ISEC2022-96 WBS2022-114 RCC2022-114
In this report, we investigate the application of geometric constellation shaping for standard BICM systems employing Gr... [more] IT2022-117 ISEC2022-96 WBS2022-114 RCC2022-114
pp.313-318
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
MW 2022-12-15
16:05
Mie Jingu-Kaikan(Ise)
(Primary: On-site, Secondary: Online)
[Invited Talk] On Research of Wireless Communications in Izuka lab.
Noboru Izuka (KOSEN) MW2022-137
In this lecture, I will present the recent research results of students in the Izuka laboratory. Our laboratory conducts... [more] MW2022-137
p.33
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
RCS, SR, SRW
(Joint)
2022-03-02
10:00
Online Online A Constant Amplitude OFDM Scheme to Compensate for Phase Noise over Millimeter Wave Wireless Channels
Yu Terauchi, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech) RCS2021-251
Since orthogonal frequency-division multiplexing (OFDM) has been adopted in many wireless communications, it is expected... [more] RCS2021-251
pp.1-6
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
SRW, SeMI, CNR
(Joint)
2021-11-25
10:20
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Performance of Multidimensional TCM-QAM with Nonlinearity
Hisataka Chonan, Shigenobu Sasaki (Niigata Univ.) SRW2021-31
In this paper, performance of multidimensional coded QAM is studied considering the power amplifier (PA) nonlinearity. ... [more] SRW2021-31
pp.13-18
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 2021-06-23
13:30
Online Online Investigation of PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals in Multiple-Antenna AF Relay Transmission
Yuki Sekiguchi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2021-39
In the 5th generation mobile communication system and beyond, the importance of relay transmission increases in order to... [more] RCS2021-39
pp.62-67
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