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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 21 - 40 of 197 [Previous]  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
11:10
Online Online A Study on Initial Acquisition of WHCDM Signals with Roll-Off Pulse Shaping
Ojiro Komatsu, Toshiharu Kojima (UEC) IT2021-96 ISEC2021-61 WBS2021-64 RCC2021-71
WHCDM (Walsh-Hadamard Code Division Multiplexing) is suitable for helicopter satellite communications, where rotor blade... [more] IT2021-96 ISEC2021-61 WBS2021-64 RCC2021-71
pp.84-88
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
SAT, SANE
(Joint)
2022-02-24
16:15
Online Online Performance Evaluation of Frequency Offset Compensation Method for Doppler Shift Multiple Observations in User Position Detection System using Unmanned Aerial Vehicles
Akira Yamanaka, Hiroyasu Ishikawa (Nihon Univ.) SAT2021-59
A typical Unmanned aircraft system (UAS) employs the unmanned aerial vehicles (UAV) with the velocity 40 to 100km/h and ... [more] SAT2021-59
pp.39-44
DC 2021-12-10
15:05
Kagawa
(Primary: On-site, Secondary: Online)
A study on the optimal offset search method for traffic signals by GA with initial population generated based on standard road length
Minoru Takahashi, Takumi Fukuda, Hiroshi Mochizuki, Sei Takahashi (Nihon Univ.), Hideo Nakamura (UTokyo), Hiroshi Kazama (Kyosan) DC2021-60
To ensure the smooth running of automobile on public roads, systematic control of traffic signal offsets is necessary. W... [more] DC2021-60
pp.30-33
MIKA
(3rd)
2021-10-29
10:30
Okinawa
(Primary: On-site, Secondary: Online)
[Poster Presentation] A Study on Inter-Symbol Interference Reduction for Downlink Asynchronous NOMA
Tomonari Kurayama, Teruyuki Miyajima, Yoshiki Sugitani (Ibaraki Univ.)
Non-orthogonal multiple access (NOMA) can achieve high transmission efficiency and accommodate massive connectivity by a... [more]
EST, MW, EMCJ, IEE-EMC [detail] 2021-10-08
13:50
Online Online Design of a three-section-type Quadrature Hybrid Coupler using broad-side and offset coupled lines in stripline structure
Tsuyoshi Narita, Satoshi Ono, Koji Wada (UEC) EMCJ2021-49 MW2021-61 EST2021-51
In this study, a three-section-type quadrature hybrid coupler for an IF(Intermediate frequency)-band image rejection mix... [more] EMCJ2021-49 MW2021-61 EST2021-51
pp.106-111
IN, NS, CS, NV
(Joint)
2021-09-10
14:00
Online Online [Invited Talk] ZigBee devices identification based on RF circuit impairments
Ibuki Yoshitani, Ryota Shinoda, Yuichi Miyaji, Hideyuki Uehara (TUT) CS2021-48
In this report we introduce ZigBee devices identification based on physical information specific to wireless devices, wh... [more] CS2021-48
pp.37-41
WBS, MICT 2021-07-30
15:35
Online Online A Study on Inter-User Interference Reduction for SC-FDE-based Downlink NOMA
Tomonari Kurayama, Teruyuki Miyajima, Yoshiki Sugitani (Ibaraki Univ.) WBS2021-32 MICT2021-25
In this paper, we propose a method to reduce inter-user interference (IUI) for downlink non-orthogonal multiple access (... [more] WBS2021-32 MICT2021-25
pp.54-59
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
NS, RCS
(Joint)
2020-12-17
12:15
Online Online PCID Detection Probability Using NR Synchronization Signals for 3GPP TDL Channel Models
Kyogo Ota, Daisuke Inoue, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata (NTT DOCOMO) RCS2020-137
This paper presents physical-layer cell identity (PCID) detection probability using synchronization signals in the 3rd g... [more] RCS2020-137
pp.19-24
OFT 2020-10-08
10:00
Online Online OFT2020-13 The use of multimode optical fibers is important to spread optical communications. In this report, NRZ-DPSK signals were... [more] OFT2020-13
pp.17-20
CS 2020-07-17
13:30
Hokkaido Ripura(Rishiri Fuji)
(Primary: On-site, Secondary: Online)
Device identification based on RF circuit imperfections
Taisei Nakada, Ryota Shinoda, Yuichi Miyaji, Hideyuki Uehara (TUT) CS2020-31
In this report we introduce device identification based on physical information specific to wireless devices, which is a... [more] CS2020-31
pp.61-66
RCS, SR, SRW
(Joint)
2020-03-06
10:00
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
High-accuracy Timing Offset Estimation Method Between Devices by Software Processing
Kotaro Nagano, Izumu Kusunoki (Kyutech), Yuhei Nagao (Radrix), Leonardo Lanante, Masayuki Kurosaki, Hiroshi Ochi (Kyutech) RCS2019-386
Highly accurate timestamps of device's local time is required in IoT sensor networks.
This is because the timestamp inf... [more]
RCS2019-386
pp.341-346
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
RCS 2019-10-25
09:30
Kanagawa Yokosuka Research Park Physical-layer Cell ID Detection Probability Using Synchronization Signals for NB-IoT Radio Interface in 28-GHz Band
Daisuke Inoue, Kyogo Ota, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata (NTT DOCOMO) RCS2019-192
This paper presents physical cell identity (PCID) detection probability using the narrowband primary synchronization sig... [more] RCS2019-192
pp.77-82
NLP 2019-09-24
12:30
Kochi Eikokuji Campus, University of Kochi New formulation of optimal regulator problem for input-cost term with offsets
Yuh Yamashita, Yuta Sakai, Koichi Kobayashi (Hokkaido Univ.) NLP2019-55
An optimal control problem such that a desired state is different from the state at which input cost becomes zero, is il... [more] NLP2019-55
pp.105-108
MW, AP
(Joint)
2019-09-20
10:45
Kanagawa JAXA (Sagamihara) Localizing Multiple Human-Bodies Using Unsynchronized Bistatic MIMO Radar
Abudusaimi Abuduaini, Nobuyuki Shiraki, Naoki Honma (Iwate Univ.), Takeshi Nakayama, Shoichi Iizuka (Panasonic Corporation.) AP2019-76
In this paper, we propose and experimentally evaluate a frequency offset elimination technique suitable for the unsynchr... [more] AP2019-76
pp.37-42
SeMI, RCS, NS, SR, RCC
(Joint)
2019-07-11
09:10
Osaka I-Site Nanba(Osaka) Improvement Effect of Adaptive Control CRE for Multicarrier HetNets using 3.4 GHz
Kento Fujisawa, Hiroyuki Otsuka (Kogakuin Univ.) RCS2019-109
Heterogeneous Network (HetNet) using multiple carrier frequencies are expected to increase system capacity in fifth-gene... [more] RCS2019-109
pp.45-49
 Results 21 - 40 of 197 [Previous]  /  [Next]  
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