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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 33  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
NLC, IPSJ-NL, SP, IPSJ-SLP [detail] 2022-11-30
10:00
Tokyo
(Primary: On-site, Secondary: Online)
Handling time information for matching broadcast metadata with user-generated text
Takeshi S. Kobayakawa (NHK), Takeshi Sakaki, Masanao Ochi, Sakata Ichiro (Univ. Tokyo) NLC2022-12 SP2022-32
 [more] NLC2022-12 SP2022-32
pp.16-20
RCS 2022-10-28
10:15
Ehime Ehime University, and online
(Primary: On-site, Secondary: Online)
A Study on Interference Suppression ZF-based MU-MIMO for Cluster-Centric Cell-Free Massive MIMO Systems
Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-144
Cell-free massive multi-input multi-output (CF-mMIMO), which is recently under extensive study, is considered to be an e... [more] RCS2022-144
pp.77-82
RCS 2022-06-15
10:20
Okinawa University of the Ryukyus, Senbaru Campus and online
(Primary: On-site, Secondary: Online)
A Study on Uplink Postcoding in User-Centric and User-Cluster-Centric CF-mMIMO
Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-26
Cell-Free massive MIMO (CF-mMIMO), which cooperatively utilizes a large number of antennas deployed over a wide communic... [more] RCS2022-26
pp.13-18
IN, RCS, NV
(Joint)
2022-05-26
09:55
Kanagawa Keio University (Hiyoshi Campus)
(Primary: On-site, Secondary: Online)
Incorporation of MU-MIMO Technology into User-centric Cell-Free mMIMO System
Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-14
Recently, cell-free massive multiple-input-multiple-output (CF-mMIMO) system has been attracting a great attention. CF-m... [more] RCS2022-14
pp.7-12
RCS, SIP, IT 2022-01-21
13:30
Online Online Improved Adaptive Interference/Radio Resource Management for 5G Advanced Ultra-dense RAN
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) IT2021-77 SIP2021-85 RCS2021-245
In order to solve an interference problem in multi-user MIMO (MU-MIMO) systems using distributed antennas, the authors h... [more] IT2021-77 SIP2021-85 RCS2021-245
pp.276-281
MIKA
(3rd)
2021-10-28
10:30
Okinawa
(Primary: On-site, Secondary: Online)
[Poster Presentation] A Study on Area Clustering for UAV-Based Mobile User Density Estimation
Kaisei Neichi, Takahiro Matsuda (TMU)
Mobile networks using UAV base stations have been investigated for the purpose of offloading traffic that is concentrate... [more]
RCS, SR, NS, SeMI, RCC
(Joint)
2021-07-14
09:00
Online Online A Study on Inter-Cluster Interference Coordination for Distributed Antenna Network Using Quantum Computing
Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.) RCS2021-77
In a large-scale distributed antenna network, where a large number of antennas are deployed over a base station coverage... [more] RCS2021-77
pp.1-6
RCS, SR, NS, SeMI, RCC
(Joint)
2021-07-15
10:30
Online Online Extraction of User Communication Behavior from DNS Query Logs by Non-Negative Tensor Factorization Approach
Kotaro Hatanaka, Tatsuaki Kimura, Tetsuya Takine (Osaka Univ.) NS2021-43
Understanding user communication behavior by analyzing network logs has been playing an important role in security monit... [more] NS2021-43
pp.57-62
RCS, SR, SRW
(Joint)
2021-03-04
09:25
Online Online Adaptive Interference/Radio Resource Management Integrating Inner-cell Interference Coordination and Inter-cell Interference Coordination for 5G Advanced Ultra-dense RAN
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) RCS2020-227
Ultra-densification of radio access network (RAN) is essential to efficiently handle the ever-increasing mobile data tra... [more] RCS2020-227
pp.124-129
IN, CCS
(Joint)
2020-08-03
11:15
Online Online User-Density Dependent Autonomous Clustering for MANET
Rio Kawasaki (Tokyo Metropolitan Univ.), Chisa Takano (Hiroshima City Univ.), Masaki Aida (Tokyo Metropolitan Univ.) IN2020-12
Hierarchical routing is required for scalable route control in MANET, and the technology of autonomous distributed clust... [more] IN2020-12
pp.19-24
IN, RCS, NV
(Joint)
2020-05-21
10:00
Online Online A Study on Combined Effect of Cluster Multilayering and MMSE Filtering on Inter-cluster Interference Mitigation in 5G Advanced Ultra-dense RAN
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) RCS2020-10
In ultra-dense RAN consisting of a large number of distributed antennas, the coverage and the capacity can be improved b... [more] RCS2020-10
pp.1-6
IN, RCS, NV
(Joint)
2020-05-21
10:25
Online Online A Study on Cluster-wise User-antenna Association in 5G Advanced Ultra-dense RAN
Sijie Xia, Chang Ge, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2020-11
Ultra-dense radio access network (RAN) consisting a large number of distributed antennas and user terminals is able to i... [more] RCS2020-11
pp.7-12
RCS, SR, SRW
(Joint)
2020-03-04
10:00
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
Joint Multilayered User Clustering and Scheduling for Ultra-dense RAN in 5G Advanced Systems
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) RCS2019-323
Ultra-dense radio access network (RAN) consisting of a large number of distributed antennas can improve the coverage and... [more] RCS2019-323
pp.19-24
RCS, SR, SRW
(Joint)
2020-03-06
13:30
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
[Poster Presentation] A Study on User Clustering for Uplink SCMA/OFDMA Employing Channel Gain
Yuta Kumagai, Naoya Gonda, Shinichi Ozaku, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.) RCS2019-404 SR2019-138 SRW2019-88
(To be available after the conference date) [more] RCS2019-404 SR2019-138 SRW2019-88
pp.407-408(RCS), pp.131-132(SR), pp.131-132(SRW)
IT, SIP, RCS 2020-01-24
14:00
Hiroshima Hiroshima City Youth Center A Study on Joint User Clustering and Scheduling for Distributed MIMO Cooperative Wireless Access Network
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) IT2019-79 SIP2019-92 RCS2019-309
Distributed MIMO cooperative wireless access network achieves a high link capacity uniformly over the base station area ... [more] IT2019-79 SIP2019-92 RCS2019-309
pp.255-260
MIKA
(2nd)
2019-10-04
10:15
Hokkaido Hokkaido Univ. [Poster Presentation] Wireless System Planning Method Based on Wireless Environment and User Distribution
Toshiro Nakahira, Hirantha Abeysekera, Koichi Ishihara, Takatsune Moriyama, Daisuke Goto, Yasushi Takatori (NTT)
By using a wireless backhaul or a mesh network between access points and installing access points on drones or robots, i... [more]
IN, NS
(Joint)
2019-03-04
10:10
Okinawa Okinawa Convention Center User-Density Dependent Autonomous Clustering for MANET Based on the Laplace Equation
Rio Kawasaki (Tokyo Metropolitan Univ.), Chisa Takano (Hiroshima City Univ.), Masaki Aida (Tokyo Metropolitan Univ.) IN2018-101
In MANET, hierarchical routing by autonomous clustering has been studied.
It is important in particular to take user mo... [more]
IN2018-101
pp.103-108
DE, CEA, IPSJ-DBS 2017-12-23
11:25
Tokyo National Institute of Informatics Relationship between SNS users' posting activities and their interests
Bin Du, Wenbo Su, Mizuho Iwaihara (Waseda U.) DE2017-34
Users from the entire world interact with others, share feelings and do various activities on SNSs. Such activities of u... [more] DE2017-34
pp.73-78
DE, IPSJ-DBS, IPSJ-IFAT 2017-09-20
10:30
Tokyo Ochanomizu University DE2017-23 (To be available after the conference date) [more] DE2017-23
pp.145-150
NS, IN
(Joint)
2017-03-03
11:20
Okinawa OKINAWA ZANPAMISAKI ROYAL HOTEL In-cluster video prefix sharing in P2P video sharing system
Atsuhiro Furumoto, Akihiro Fujimoto, Fumitaka Uchio (Wakayama Univ.) NS2016-209
In the conventional P2P video sharing system, peers' leave degrade the stability of the P2P systems. As a result, users... [more] NS2016-209
pp.297-302
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