Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS |
2024-06-19 10:20 |
Okinawa |
(Okinawa, Online) (Primary: On-site, Secondary: Online) |
Performance of Adaptive Control CRE for FB/FTP Traffic Models Daichi Shinji (Kogakuin Univ), Satoshi Suyama (NTT DOCOMO), Hiroyuki Otsuka (Kogakuin Univ) RCS2024-30 |
Heterogeneous networks (HetNet), which are combined with a macrocell and picocell in the same coverage, are promised tec... [more] |
RCS2024-30 pp.13-18 |
RCS |
2024-06-19 10:30 |
Okinawa |
(Okinawa, Online) (Primary: On-site, Secondary: Online) |
Feasibility of Full-Duplex Mobile Communications for a Higher-Order Modulation Method Kazuma Matsushima, Takumi Yasaka (Kogakuin Univ.), Satoshi Suyama (NTT DOCOMO), Hiroyuki Otsuka (Kogakuin Univ.) RCS2024-31 |
Full-duplex mobile communications have been discussed as one of the duplex technologies to increase the spectral efficie... [more] |
RCS2024-31 pp.19-23 |
RCS |
2024-06-19 10:40 |
Okinawa |
(Okinawa, Online) (Primary: On-site, Secondary: Online) |
Performance evaluation of HetNet composed of mmWave Twelve-Sector Picocells with 3D-BF Naoto Inagaki (Kogakuin Univ.), Satoshi Suyama (NTT DOCOMO), Hiroyuki Otsuka (Kogakuin Univ.) RCS2024-32 |
Heterogeneous networks (HetNets) with picocells operating at millimeter wave (mmWave) band provide higher system capacit... [more] |
RCS2024-32 pp.24-28 |
RCS |
2023-06-16 09:40 |
Hokkaido |
Hokkaido University, and online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Considerations on Self-Interference Canceller using DMRS in Full-Duplex Mobile Communications Takumi Yasaka (Kogakuin Univ.), Takayuki Yamada, Satoshi Suyama (NTT DOCOMO), Hiroyuki Otsuka (Kogakuin Univ.) RCS2023-66 |
Full-duplex mobile communications have been discussed as one of the duplex technologies to increase the spectral efficie... [more] |
RCS2023-66 pp.224-228 |
RCS, NS (Joint) |
2022-12-16 14:35 |
Aichi |
Nagoya Institute of Technology, and Online (Aichi, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Personal Picocell Scheme in Heterogeneous Mobile Networks Hiroyuki Otsuka (Kogakuin Univ.) NS2022-146 RCS2022-204 |
Heterogeneous networks (HetNets), which are combined with a macrocell and picocell in the same coverage, are promising t... [more] |
NS2022-146 RCS2022-204 p.84(NS), p.95(RCS) |
RCS |
2021-06-24 13:50 |
Online |
Online (Online) |
A Study on How to Optimize the Transmission Power of pico-eNB in Multiband HetNets Ayumi Yoneyama (Kogakuin Univ.), Satoshi Suyama, Takahiro Asai (NTT DOCOMO), Hiroyuki Otsuka (Kogakuin Univ.) RCS2021-58 |
Two types of fifth-generation (5G) mobile systems have been diffused worldwide. One is called as 5G New Radio (NR) SA (S... [more] |
RCS2021-58 pp.175-179 |
RCS |
2021-06-25 09:10 |
Online |
Online (Online) |
User Throughput of Multiband HetNet using 28 GHz Band against Fading Channel Models Shoko Nishimura, Hiroyuki Otsuka (Kogakuin Univ) RCS2021-62 |
At present, 3.9 generation LTE (Long Term Evolution) and its extension LTE-Advanced are mainly used in Japan. 5G NSA, a ... [more] |
RCS2021-62 pp.193-195 |
RCS, SR, SRW (Joint) |
2020-03-06 15:00 |
Tokyo |
Tokyo Institute of Technology (Tokyo) (Cancelled but technical report was issued) |
[Invited Lecture]
Personal-cell Scheme for Heterogeneous Networks Hiroyuki Otsuka (Kogakuin Univ.) RCS2019-394 |
[more] |
RCS2019-394 p.377 |
SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-11 09:10 |
Osaka |
I-Site Nanba(Osaka) (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 |
SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-11 09:35 |
Osaka |
I-Site Nanba(Osaka) (Osaka) |
A study on Modulation and Coding Scheme in Multicarrier HetNets using 28 GHz Band Fumiya Kemmochi, Hiroyuki Otsuka (Kogakuin Univ.) RCS2019-110 |
Millimeter wave (mmWave) technology is expected to achieve higher data rates in fifth-generation (5G) mobile systems. We... [more] |
RCS2019-110 pp.51-55 |
RCS |
2018-06-20 14:30 |
Nagasaki |
Nagasaki University (Nagasaki) |
Interference Tolerance for Fiber-optic Inband Relaying with Simultaneous Transmission Hiroki Utatsu (Kogakuin Univ.), Jun Mashino, Satoshi Suyama (NTT DOCOMO), Hiroyuki Otsuka (Kogakuin Univ.) RCS2018-41 |
Relaying is a key technology to improve cell-edge performance and/or provide wider radio coverage. We have proposed fibe... [more] |
RCS2018-41 pp.37-42 |
RCS |
2018-06-22 10:00 |
Nagasaki |
Nagasaki University (Nagasaki) |
Considerations for Superposed Modulation Combined with QPSK and 256-QAM in NOMA. Koki Senda, Hiroyuki Otsuka (Kogakuin Univ.) RCS2018-66 |
Non-orthogonal multiple access (NOMA) is a potential candidate for the 5th-generation mobile systems (5G). In NOMA, two ... [more] |
RCS2018-66 pp.185-189 |
RCS |
2018-06-22 10:10 |
Nagasaki |
Nagasaki University (Nagasaki) |
BER Performance of OFDM-based 1024/4096-QAM in Multipath Fading Conditions Ruxiao Tian, Hiroyuki Otsuka (Kogakuin Univ.) RCS2018-67 |
Higher-order modulation is promising technique of 5th-generation mobile systems to increase data rate within a limited b... [more] |
RCS2018-67 pp.191-194 |
AP, RCS (Joint) |
2017-11-08 17:10 |
Fukuoka |
Fukuoka University (Fukuoka) |
The effect of 3D beamforming on backhaul link in relaying networks Ryota Nakao (Kogakuin Univ.), Jun Mashino, Satoshi Suyama (NTT DOCOMO), Hiroyuki Otsuka (Kogakuin Univ.) RCS2017-219 |
Relaying is a key technology used to improve cell-edge user throughput and/or provide wider coverage. Three-dimensional ... [more] |
RCS2017-219 pp.81-86 |
RCS |
2017-06-23 15:10 |
Okinawa |
Ishigaki Shoukou Kaikan (Okinawa) |
Proposal of CQI Table Switching Control for Cell Range Expansion in HetNet Norihiro Naganuma, Kai Osawa, Hiroyuki Otsuka (Kogakuin Univ.) RCS2017-90 |
Higher-order modulation such as 256-quadrature amplitude modulation (QAM) is a key technology to increase data rates wit... [more] |
RCS2017-90 pp.239-244 |
RCS |
2017-06-23 15:35 |
Okinawa |
Ishigaki Shoukou Kaikan (Okinawa) |
Throughput Performance of 256-QAM using different types of MCS in small cells Kai Osawa, Norihiro Naganuma, Hiroyuki Otsuka (Kogakuin Univ.) RCS2017-91 |
Higher-order modulation is a key technology to increase data rates within a limited bandwidth. This paper describes the ... [more] |
RCS2017-91 pp.245-250 |
RCS, SR, SRW (Joint) |
2017-03-03 17:50 |
Tokyo |
Tokyo Institute of Technology (Tokyo) |
The Design of Small Cell Based on Macro/Micro Cells Parameters and Consideration for256-QAM to Small Cells Kazuya Fujiwara, Kai Osawa, Norihiro Naganuma, Hiroyuki Otsuka (Kogakuin Univ.) RCS2016-337 |
This paper presents the design of small cells based on the parameters of existing micro and/or micro cell systems, and p... [more] |
RCS2016-337 pp.271-276 |
SAT, RCS (Joint) |
2016-08-19 14:55 |
Miyagi |
Tohoku Gakuin University (Miyagi) |
Parameter Optimization for Enhanced Adaptive Control CRE in Heterogeneous Networks Sho Nakazawa, Hiroyuki Otsuka (Kogakuin Univ.) RCS2016-147 |
We propose an enhanced cell range expansion (CRE) technique in a heterogeneous network (HetNet) to increase the system c... [more] |
RCS2016-147 pp.101-106 |
NS, RCS (Joint) |
2015-12-18 11:50 |
Ehime |
Matsuyama Community Center (Ehime) |
DUR Performance of Fiber-optic Inband Relaying as parameters of carrier frequency and optical fiber length Youhei Hanzawa, Sho Nakazawa (Kogakuin Univ.), Takahiro Kubo, Takahiro Asai, Yukihiko Okumura (NTT DOCOMO), Hiroyuki Otsuka (Kogakuin Univ.) RCS2015-266 |
We have proposed fiber-optic relaying to improve cell edge performance, and have discussed the design methods. Especiall... [more] |
RCS2015-266 pp.133-138 |
NS, RCS (Joint) |
2015-12-18 16:30 |
Ehime |
Matsuyama Community Center (Ehime) |
Adaptive Control CRE with Consideration for both Ratios of UEs Connected to Pico and Received SINR distribution for UEs Sho Nakazawa (Kogakuin Univ.), Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO), Hiroyuki Otsuka (Kogakuin Univ.) RCS2015-279 |
[more] |
RCS2015-279 pp.207-212 |