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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 62  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SeMI, RCS, RCC, NS, SR
(Joint)
2023-07-13
14:15
Osaka Osaka University Nakanoshima Center + Online
(Primary: On-site, Secondary: Online)
A configuration for overloaded MU-MIMO systems
Kazuki Miyata, Satoshi Denno, Yafei Hou (Okayama Univ.) RCS2023-94
In this report, we consider overload communication in MU-MIMO systems in order to further increase the capacity of downl... [more] RCS2023-94
pp.76-81
OCS, OFT, OPE
(Joint) [detail]
2023-02-17
12:20
Okinawa kukuru-itomancity
(Primary: On-site, Secondary: Online)
Reduction of nonlinear degradation using FIR filters.
Koki Takashima, Yuji Miyoshi, Hirokazu Kubota (Osaka Metropolitan Univ) OCS2022-84 OPE2022-113
In order to achieve high-capacity communication in optical coherent transmission, a root-raised cosine filter (RRC filte... [more] OCS2022-84 OPE2022-113
pp.73-76(OCS), pp.98-101(OPE)
ITE-BCT, OCS, IEE-CMN, OFT 2022-11-11
14:50
Miyagi Forest-Sendai
(Primary: On-site, Secondary: Online)
All-optical PAM4 to QPSK and 16QAM Conversions Using Si-rich Nitride Waveguides
Yuto Fujihara, Ken Mishina, Asahi Sueyoshi, Akihiro Maruta (Osaka Univ.) OCS2022-48
All-optical modulation format conversion, which is performed only in the optical domain, has been proposed as a promisin... [more] OCS2022-48
pp.46-51
SRW 2022-08-22
14:40
Online Online [Invited Talk] Towards Future-Generation Wireless Communication Technology with Multikernel Adaptive Filter -- Partially Linear Filter for Robust Multiuser Detection --
Masahiro Yukawa (Keio Univ.) SRW2022-15
This review article presents a comprehensive overview of our recent developments for nonlinear multiuser detection using... [more] SRW2022-15
pp.33-38
PN 2022-03-02
09:30
Online Online Characteristics of All-Optical Switch Using Quasi-Phase-Matched Lithium Niobate Waveguides
Genki Abe, Ryoichi Miyauchi, Yutaka Fukuchi (Tokyo Univ. of Science) PN2021-69
We numerically analyze characteristics of all-optical gate switches using the cascade effect of second harmonic generati... [more] PN2021-69
pp.86-91
OFT 2022-01-20
17:00
Online Online Optical root-Nyquist pulse generation using IQ modulator and nonlinear effect in optical fiber
Yuto Ueno, Yuji Miyoshi, Hirokazu Kubota (Osaka Prefecture Univ.) OFT2021-64
Nyquist OTDM transmission with high frequency efficiency and low inter-symbol interference has been proposed as one of t... [more] OFT2021-64
pp.46-50
OCS, CS
(Joint)
2021-01-14
13:30
Online Online Spectral Efficiencies and Transmission Characteristics of All-optically PAM4/16QAM Converted Signal Using Nonlinear Optical Loop Mirror
Asahi Sueyoshi, Yuta Matsumoto, Ken Mishina, Daisuke Hisano, Akihiro Maruta (Osaka Univ.) OCS2020-27
Various all-optical modulation format conversions have been proposed for realizing low latency and efficient connection ... [more] OCS2020-27
pp.1-6
OFT 2021-01-14
15:35
Online Online Numerical evaluation of Root-Nyquist Pulse Generation Using Highly Nonlinear Fiber
Jiro Osawa, Tomoya Yokoi, Yuji Miyoshi, Hirokazu Kubota (Osaka Prefecture Univ.) OFT2020-49
Nyquist optical time division multiplexing (N-OTDM) is expected as one of the methods to realize large capacity of optic... [more] OFT2020-49
pp.23-27
RCS, SR, SRW
(Joint)
2020-03-05
17:35
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
[Special Invited Talk] Research on Wireless Circuit and Signal Processing
Yasushi Yamao (UEC) RCS2019-364 SR2019-129 SRW2019-69
Continuing growth of mobile communications does not stop and is going beyond 5G to 6G. Wireless technologies cast light ... [more] RCS2019-364 SR2019-129 SRW2019-69
p.225(RCS), p.95(SR), p.49(SRW)
SIS 2019-12-12
16:55
Okayama Okayama University of Science [Fellow Memorial Lecture] Adaptive signal processing and image processing, linear or non-linear?
Mitsuji Muneyasu (Kansai Univ.) SIS2019-30
It is well known that an image is nonstationary, the processing according to its local property should be required. Ther... [more] SIS2019-30
p.37
OCS, LQE, OPE 2019-10-17
16:45
Kagoshima   Performance evaluation of all-optical PAM4 to 16QAM modulation format converter using nonlinear optical loop mirror
Yuta Matsumoto, Ken Mishina, Daisuke Hisano, Akihiro Maruta (Osaka Univ.) OCS2019-38 OPE2019-76 LQE2019-54
PAM4 and 16QAM formats are expected to serve as the main modulation formats for intra-data center and inter-data center ... [more] OCS2019-38 OPE2019-76 LQE2019-54
pp.59-64
OCS, PN, NS
(Joint)
2019-06-20
10:35
Iwate MALIOS(Morioka) Sub-Picosecond Optical Switch over Entire C-Band by Using Nonlinear Optical Loop Mirror
Ryoya Hirata, Toshihiko Hirooka, Masato Yoshida, Masataka Nakazawa (Tohoku Univ.) OCS2019-10
Ultrafast optical switches have many useful applications ranging from ultrahigh-speed optical communication to signal pr... [more] OCS2019-10
pp.1-4
OFT 2019-05-16
14:00
Osaka I-site NANBA OFT2019-9 In recent years, internet traffic has been increasing, and Nyquist optical time division multiplexing (N-OTDM) transmiss... [more] OFT2019-9
pp.37-40
EA, SIP, SP 2019-03-14
13:30
Nagasaki i+Land nagasaki (Nagasaki-shi) [Poster Presentation] MVDR beamformer based on time-frequency-bin-wise switching technique for underdetermined speech enhancement
Kouei Yamaoka (Univ. of Tsukuba), Nobutaka Ono (Tokyo Metropolitan Univ.), Shoji Makino, Takeshi Yamada (Univ. of Tsukuba) EA2018-124 SIP2018-130 SP2018-86
In this paper, we present an underdetermined speech enhancement method called the time-frequency-bin-wise switching beam... [more] EA2018-124 SIP2018-130 SP2018-86
pp.149-154
SANE, SAT
(Joint)
2019-02-13
12:40
Kagoshima Tanegashima Island Computational Complexity Reduction for an Adaptive Equalization Scheme based on Memory Polynomial for Compensating both Linear and Nonlinear Distortion
Shunsuke Uehashi, Yasunori Nouda, Shigenori Tani, Shigeru Uchida, Atsushi Okamura (Mitsubishi Electric) SAT2018-68
The demand for wideband transmission is increasing greatly in satellite communication system. In wideband transmission, ... [more] SAT2018-68
pp.63-68
RCS, AP
(Joint)
2018-11-21
11:00
Okinawa Okinawa Industry Support Center Spectrum-Decomposed Parallel Signal Processing for Broadband Nonlinear Compensation
Tomoki Abe, Yasushi Yamao (UEC) RCS2018-195
A novel wideband digital predistortion (DPD) technique that can relax the requirement for sampling frequency is proposed... [more] RCS2018-195
pp.103-108
OFT 2018-10-11
14:00
Miyagi Touhoku Univ. [Poster Presentation] OTDM-to-WDM conversion using cross-phase modulation in highly nonlinear fiber for pulse compression OOK signal.
Tooru Ikehata, Ryo Yokota, Naoto Kishi (UEC) OFT2018-30
In order to achieve OTDM-to-WDM conversion by all-optical signal processing, signal conversion using cross phase modulat... [more] OFT2018-30
pp.85-88
OFT 2018-10-11
14:00
Miyagi Touhoku Univ. [Poster Presentation] Batch processing operation of pulse compression and NRZ-to-RZ waveform conversion using highly nonlinear fiber
Kazuki Terashi, Ryo Yokota, Naoto Kishi (UEC) OFT2018-31
Conversion from NRZ waveform to RZ waveform is necessary for multiplexing system conversion from WDM to OTDM. Pulse comp... [more] OFT2018-31
pp.89-92
PRMU, SP 2018-06-29
10:00
Nagano   Revisiting interference-free power spectral representations of periodic signals
Hideki Kawahara (Wakayama Univ.), Masanori Morise (Univ. Yamanashi), Kanru Hua (Univ. Illinois) PRMU2018-29 SP2018-9
We propose two algorithms to calculate interference-free power spectra of periodic signals. This set of algorithms is ou... [more] PRMU2018-29 SP2018-9
pp.41-46
RCS, SR, SRW
(Joint)
2018-02-28
10:00
Kanagawa YRP Analysis of Signal Processing for Spectrum-Folding Scalar-Feedback DPD
Suguru Habu, Yasushi Yamao, Hiroshi Suzuki (UEC) RCS2017-328
We have proposed spectrum-folding scalar feedback (SF-SFB) architecture with a narrowband feedback circuit for wideband ... [more] RCS2017-328
pp.63-68
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