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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 48  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CAS, CS 2024-03-15
13:50
Okinawa   Carrier frequency offset estimation for initial acquisition in MWHCDM
Masaki Kitagawa, Toshiharu Kojima (Univ of Electro-Communications) CAS2023-133 CS2023-126
Modified Walsh-Hadamard code division multiplexing (MWHCDM) is suitable for helicopter satellite communications, where t... [more] CAS2023-133 CS2023-126
pp.122-127
OPE, OFT, OCS
(Joint) [detail]
2024-02-21
15:50
Okinawa Nobumoto Ohama Memorial Hall
(Primary: On-site, Secondary: Online)
Study on Two-stage Carrier Frequency Offset Estimation Using the Eigenvalue and Scattering Coefficient b in the Nonlinear Fourier Transform
Taisuke Chino, Takumi Motomura, Akihiro Maruta, Ken Mishina (Osaka Univ) OCS2023-73 OPE2023-116
Optical eigenvalue transmission requires a digital coherent receiver to detect the eigenvalue at the receiver end. At th... [more] OCS2023-73 OPE2023-116
pp.31-36(OCS), pp.47-52(OPE)
AP, RCS
(Joint)
2023-11-15
14:55
Kumamoto Kumamoto Prefectural Workers' Welfare Hall
(Primary: On-site, Secondary: Online)
Performance of NR Downlink Initial Access Using Synchronization Signal Block for mm-Wave Bands
Shun Yoneda, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata, Satoshi Suyama (NTT DOCOMO) RCS2023-159
This paper presents the performance for New Radio (NR) downlink initial access including physical-layer cell ID (PCID) d... [more] RCS2023-159
pp.39-44
RCS, SAT
(Joint)
2023-09-01
14:05
Nagano Naganoken Nokyo Building, and online
(Primary: On-site, Secondary: Online)
Physical-layer Cell ID Detection Probability in the Presence of Carrier Frequency Offset in NR TN and NTN Channel Models
Shun Yoneda, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata (NTT DOCOMO) RCS2023-123
This paper presents the physical-layer cell identity (PCID) detection probability in the presence of a large carrier fre... [more] RCS2023-123
pp.107-112
SeMI, RCS, RCC, NS, SR
(Joint)
2023-07-13
13:50
Osaka Osaka University Nakanoshima Center + Online
(Primary: On-site, Secondary: Online)
A Study on Bayesian Receiver Design for Uplink MU-MIMO Systems with Carrier Frequency Offsets
Kenta Ito, Takumi Takahashi, Koji Igarashi (Osaka Univ.), Koji Ishibashi (UEC), Shinsuke Ibi (Doshisha Univ.) RCS2023-93
This paper proposes a novel Bayesian receiver design to realize high-accuracy data detection under observations subject ... [more] RCS2023-93
pp.70-75
RCS 2023-06-14
17:30
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
Bayesian Receiver Design for Grant-Free NOMA Based on Low-Density Structured OFDM
Kohei Ueda (UEC), Takanori Hara (Tokyo Univ. of Science), Koji Ishibashi (UEC) RCS2023-45
This paper studies a grant-free non-orthogonal multiple access (GF-NOMA) system using orthogonal frequency division mult... [more] RCS2023-45
pp.99-104
RCS 2023-06-15
09:40
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
BLER Performance of Carrier Frequency Offset Compensation and Channel Estimation Methods Using Synchronization Signals for NR PBCH
Takashi Ohiwa, Shun Yoneda, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata (NTT DOCOMO) RCS2023-48
This paper proposes carrier frequency offset (CFO) compensation and channel estimation methods using synchronization sig... [more] RCS2023-48
pp.117-122
PN 2023-03-02
17:40
Okinawa
(Primary: On-site, Secondary: Online)
Experimental Validation of Carrier Frequency Offset Estimation Method in Eigenvalue-domain
Takaya Maeda, Daisuke Hisano (Osaka Univ.), Yuki Yoshida (NICT), Akihiro Maruta, Ken Mishina (Osaka Univ.) PN2022-73
In digital coherent receivers, it is necessary to estimate and compensate for the carrier frequency offset (CFO) caused ... [more] PN2022-73
pp.164-169
RCS 2022-10-27
09:30
Ehime Ehime University, and online
(Primary: On-site, Secondary: Online)
Performance of Physical Cell ID Detection Methods with Carrier Frequency Offset Compensation for Millimeter-Wave Bands
Shun Yoneda, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata (NTT DOCOMO) RCS2022-128
In 5G cellular systems, millimeter-wave bands are anticipated to be deployed in dense small cells in heterogeneous netwo... [more] RCS2022-128
pp.1-6
RCS 2022-06-16
10:10
Okinawa University of the Ryukyus, Senbaru Campus and online
(Primary: On-site, Secondary: Online)
Iterative Active User Detection for Grant-Free Non-Orthogonal Multiple Access in The Presence of Carrier Frequency Offsets
Kohei Ueda (UEC), Takanori Hara (TUS), Koji Ishibashi (UEC) RCS2022-43
Grant-free non-orthogonal multiple access (GF-NOMA) systems suffer from the performance degradation of active user detec... [more] RCS2022-43
pp.114-119
IT, ISEC, RCC, WBS 2022-03-10
11:35
Online Online An Initial Acquisition Scheme with Improved Carrier Frequency Offset Tolerance for MWHCDM
Yota Yamamura, Toshiharu Kojima (UEC) IT2021-97 ISEC2021-62 WBS2021-65 RCC2021-72
MWHCDM (modified Walsh-Hadamard code division multiplexing) is suitable for helicopter satellite communications, where r... [more] IT2021-97 ISEC2021-62 WBS2021-65 RCC2021-72
pp.89-94
RCS 2021-04-23
09:45
Online Online Improving Classification Accuracy in Multi-User Communication Environment Information Estimation by Machine Learning
Shun Kojima (Utsunomiya Univ.), Yi Feng (Duke Univ.), Kazuki Maruta (Tokyo Tech.), Chang-Jun Ahn (Chiba Univ.), Vahid Tarokh (Duke Univ.) RCS2021-10
Recently, due to the increasing demand for wireless data traffic, highly efficient multiple access methods such as OFDMA... [more] RCS2021-10
pp.42-47
PN 2021-03-01
14:55
Online Online [Invited Lecture] CFO estimation in eigenvalue-domain and its application to neural network-based demodulation for eigenvalue-modulated signal
Ken Mishina, Takaya Maeda (Osaka Univ.), Yuki Yoshida (NICT), Daisuke Hisano, Akihiro Maruta (Osaka Univ.) PN2020-45
An eigenvalue-domain (ED) artificial neural network (ANN)-based demodulation method for eigenvalue-modulated signals has... [more] PN2020-45
pp.20-25
RCS, AP, UWT
(Joint)
2020-11-27
09:25
Online Online Differential OFDM Employing Joint Detection for Underwater Acoustic Communications
Hiroshi Kubo, Yuka Tanaka, Yui Nakai, Tetsuro Kubo, Haruka Toyota, Yoshitaka Yamamoto, Kouki Toyoda (Ritsumeikan Univ.) AP2020-89 RCS2020-131
his paper discusses differential orthogonal frequency division multiplexing (OFDM) employing joint detection (JD) for un... [more] AP2020-89 RCS2020-131
pp.84-89(AP), pp.116-121(RCS)
IT, SIP, RCS 2020-01-24
16:40
Hiroshima Hiroshima City Youth Center Active User Detection for Uplink Grant-Free Non-Orthogonal Multiple Access in The Presence of Carrier Frequency Offsets
Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications) IT2019-89 SIP2019-102 RCS2019-319
Practically, it is significantly difficult to assume that carrier frequencies are ideally synchronized among users, and ... [more] IT2019-89 SIP2019-102 RCS2019-319
pp.313-317
SIP, IT, RCS 2018-01-23
10:50
Kagawa Sunport Hall Takamatsu A Study on Carrier Frequency Offset between BLE Terminals for ICA based-SDMA in BLE Systems
Masahiro Takigawa, Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) IT2017-87 SIP2017-95 RCS2017-301
This paper shows that previously proposed Maximum A-posteriori Probability (MAP) detection based on differential detecto... [more] IT2017-87 SIP2017-95 RCS2017-301
pp.189-194
SAT, RCS
(Joint)
2016-08-19
13:30
Miyagi Tohoku Gakuin University Multi-Carrier Differential MIMO Transmit Diversity for Fast Time-Varying Beat Interference in P-MP Communications
Takuma Yamagishi, Toshiki Mori, Hiroshi Kubo (Ritsumeikan Univ.) RCS2016-151
This paper discusses a point to multi-point (P-MP) communication system on beat interference channels with large frequen... [more] RCS2016-151
pp.125-130
SIS, IPSJ-AVM 2015-09-03
14:20
Osaka Kansai Univ. Performance Evaluation of Carrier and Sampling Frequency Offset Compensation Using Measured Data in MIMO-OFDM Systems
Shinya Moriyama, Kosuke Morinaga, Takashi Imagawa, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.), Masaki Miura, Tohru Gotoh, Junji Yamano (RayTron) SIS2015-20
In this paper, we consider compensation methods of carrier frequency offset and sampling frequency offset in MIMO-OFDM s... [more] SIS2015-20
pp.31-36
RCS, SR, SRW
(Joint)
2015-03-06
09:50
Tokyo Tokyo Institute of Technology Joint Transmit/Receive MMSE-FDE & Spectrum Combining for SC-ANC Bi-Directional Relay in The Presence of Timing Offset
Hiroyuki Miyazaki, Fumiyuki Adachi (Tohoku Univ.) RCS2014-351
In this paper, we propose a joint transmit/receive minimum mean square error based frequency-domain equalization (MMSE-F... [more] RCS2014-351
pp.297-302
SR 2015-01-30
10:40
Hokkaido KKR Hakodate Adaptive Subcarrier Bandwidth for 5G GFDM Transmission
Rohit Datta, Issei Kanno, Masayuki Ariyoshi (ATR) SR2014-105
Generalized frequency division multiplexing (GFDM) is a recent flexible waveform which is a candidate for future 5G comm... [more] SR2014-105
pp.69-73
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