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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SAT (Joint) |
2021-08-26 11:25 |
Online | Online | Experimental Study on Communication Parameter Control for LPWA Network using Radio Environment Monitoring Hiroaki Sudo, Kazuhiro Kosaka, Akihiko Odani, Noriyuki Gejoh, Takeshi Yasunaga (Panasonic)  RCS2021-100 |
In Internet of Things (IoT) era, the demand for Wireless Networks that can accommodate a wide range of terminals at low ... [more] | RCS2021-100 pp.7-12 |
| RCS, SR, NS, SeMI, RCC (Joint) |
2021-07-14 13:00 |
Online | Online | Improvement Study on Communication Parameter Control for LPWA Network using Radio Environment Monitoring Hiroaki Sudo, Kazuhiro Kosaka, Akihiko Odani, Noriyu Gejoh, Takeshi Yasunaga (Panasonic) SR2021-20 |
In Internet of Things (IoT) era, the demand for Wireless Networks that can accommodate a wide range of terminals at low ... [more] | SR2021-20 pp.1-8 |
| WBS, IT, ISEC | 2021-03-04 09:50 |
Online | Online | Variable spreading factor codes for optical code-division multiple access Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2020-113 ISEC2020-43 WBS2020-32 |
In this study, we propose variable spreading factor codes based on generalized modified prime sequence codes (GMPSCs), w... [more] | IT2020-113 ISEC2020-43 WBS2020-32 pp.7-12 |
| SR | 2021-01-25 10:00 |
Online | Online | Study on Communication Parameter Control when Transmission Power Control Range is insufficient for LPWA Network using Radio Environment Monitoring Hiroaki Sudo, Kazuhiro Kosaka, Akihiko Odani, Noriyuki Gejoh, Takeshi Yasunaga (Panasonic) SR2020-47 |
In Internet of Things (IoT) era, the demand for Wireless Networks that can accommodate a wide range of terminals at low ... [more] | SR2020-47 pp.1-8 |
| IT, EMM | 2020-05-29 11:20 |
Online | Online | A Study on Code Construction Method for Optical CDMA with Variable Spreading Factor Shoichiro Yamasaki, Tomoko K. Matsushima, Kyohei Ono (Polytechnic Univ.) IT2020-9 EMM2020-9 |
This study proposes variable spreading factor codes for optical synchronous code division multiple access (CDMA) which... [more] |
IT2020-9 EMM2020-9 pp.49-54 |
| RCS, SR, SRW (Joint) |
2020-03-06 15:10 |
Tokyo | Tokyo Institute of Technology (Cancelled but technical report was issued) |
[Invited Lecture]
Resource Allocation Strategy for LoRa Networks under Imperfect Spreading Factor Orthogonality Megumi Kaneko (NII) RCS2019-395 |
Low-Power Wide-Area Network (LPWAN) based on LoRa physical layer is envisioned as one of the most promising technologies... [more] | RCS2019-395 p.379 |
| IT, SIP, RCS | 2020-01-24 09:55 |
Hiroshima | Hiroshima City Youth Center | A Study on Construction Method of Orthogonal Variable-Length Spreading Sequences over Finite Fields Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic University) IT2019-66 SIP2019-79 RCS2019-296 |
Orthogonal spreading codes have been applied to multiple access for communication systems. Tree structured orthogonal ... [more] |
IT2019-66 SIP2019-79 RCS2019-296 pp.173-178 |
| SR | 2019-12-06 15:50 |
Okinawa | Ishigaki City Hall (Ishigaki Island) | Study of Transmission Power Control and Spreading Factor Control for Wireless Network using Radio Environment Monitoring in 920MHz Band Hiroaki Sudo, Kazuhiro Kosaka, Akihiko Odani, Noriyuki Gejoh, Takeshi Yasunaga (Panasonic) SR2019-109 |
In Internet of Things (IoT) era, the demand for Wireless Networks that can accommodate a wide range of terminals at low ... [more] | SR2019-109 pp.123-129 |
| RCS | 2019-06-19 16:05 |
Okinawa | Miyakojima Hirara Port Terminal Building | Spreading Factor Selection Method for Multiple Gateways Reception in LoRaWAN Chen Muying, Koichi Adachi (UEC) RCS2019-58 |
For the IoT (Internet of Things), it is required to have low cost device and simple network construc- tion. As a solutio... [more] | RCS2019-58 pp.125-130 |
| NLP | 2019-05-11 10:00 |
Oita | J:COM HoltoHALL OITA | A study of spreading information in different network structures Ryu Uto, Toshichika Aoki, Takayuki Kimura (Nippon Institute of Tech) NLP2019-11 |
In cases many people are in disaster, they are difficult to figure out whether obtained information is real or not. If... [more] |
NLP2019-11 pp.59-64 |
| MBE, NC (Joint) |
2018-03-13 11:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Statistical mechanics of coherent Ising machine
-- The case of CDMA multiuser detector -- Toru Aonishi (Tokyo Tech.), Kazushi Mimura (Hiroshima City Univ.), Masato Okada (Univ. Tokyo), Yoshihisa Yamamoto (ImPACT/ Stanford Univ.) NC2017-71 |
The coherent Ising machine (CIM) has attracted attention as one of the most effective Ising computing architectures for ... [more] | NC2017-71 pp.21-26 |
| NS, ASN, RCC, RCS, SR (Joint) |
2017-07-20 10:30 |
Hokkaido | Hokkaido Univ. | Investigating the LoRa Receiver Performance under Mutual Interference Guibing Zhu, Chun-Hao Liao, Makoto Suzuki, Yoshiaki Narusue, Hiroyuki Morikawa (Univ. of Tokyo) RCS2017-110 |
LoRa networks achieve a remarkable wide coverage by exploiting the chirp spread spectrum (CSS) technique. However, a sin... [more] | RCS2017-110 pp.103-108 |
| RCS, SR, SRW (Joint) |
2015-03-06 10:50 |
Tokyo | Tokyo Institute of Technology | Adaptive 2-Dimensional Block Spreading for Downlink MC-CDMA Distributed Antenna Network Yumeto Mori, Shohei Inoshita, Hiroyuki Miyazaki, Fumiyuki Adachi (Tohoku Univ.) RCS2014-353 |
In this paper, we study in order to apply the multi-carrier code division multiple access (MC-CDMA) and 2-dimensional bl... [more] | RCS2014-353 pp.309-314 |
| SANE | 2011-12-16 09:15 |
Saitama | Nippon Institute of Technology | Study on the Transmissiom Method for the Radar Communication System Miki Iwama, Yoshiyuki Miyazawa (NICT), Hironori Kitazawa (K&A), Takeshi Abe (Musashino) SANE2011-127 |
We promote a new concept “radar communication”, that realizes common communication base for most of ships with now usin... [more] | SANE2011-127 pp.1-6 |
| NS, RCS (Joint) |
2010-12-17 13:40 |
Okayama | Okayama Univ. | Investigations on Channel-Dependent Adaptive Spreading Code Selection in Downlink MC-CDMA with MMSE-SIC Receiver Akira Wakamiya, Shota Yoshimura, Kenichi Higuchi (Tokyo Univ. of Science) RCS2010-191 |
This paper investigates the received signal-to-noise and interference power ratio (SINR) of the proposed channel-depende... [more] | RCS2010-191 pp.191-196 |
| RCS | 2010-06-18 13:00 |
Kyoto | Kyoto Univ. | Investigation on Channel-Dependent Adaptive Spreading Code Selection in Downlink MC-CDMA Shota Yoshimura, Kenichi Higuchi (Tokyo Univ. of Science) RCS2010-39 |
This paper investigates a channel-dependent adaptive spreading code matrix selection in downlink multicarrier code divis... [more] | RCS2010-39 pp.127-132 |
| RCS, SIP | 2010-01-22 14:30 |
Fukuoka | Kyushu Univ. | Performance Comparison of MLD and MMSE-based Linear Filtering Assuming Spreading Code Sequences Appropriate for MLD in MC-CDMA Akira Wakamiya, Kenichi Higuchi (Tokyo Univ. of Science) SIP2009-111 RCS2009-245 |
This paper investigates the performance comparison between the maximum likelihood detection (MLD) and minimum mean squar... [more] | SIP2009-111 RCS2009-245 pp.223-228 |
| RCS | 2009-06-26 13:20 |
Aichi | Nagoya University | Investigations on optimum spreading factor in MC-CDMA MIMO multiplexing with frequency-domain QRM-MLD Kazuki Kawaguchi, Kouji Nagatomi, Kenichi Higuchi (Tokyo Univ. of Science) RCS2009-47 |
This paper investigates an optimum spreading factor in multicarrier code division multiple access (MC-CDMA) multiple inp... [more] | RCS2009-47 pp.107-112 |
| RCS | 2009-06-26 13:40 |
Aichi | Nagoya University | Spreading Code Sequences Appropriate for Maximum Likelihood Detection in MC-CDMA Akira Wakamiya, Kenichi Higuchi (Tokyo Univ. of Sci.) RCS2009-48 |
This paper investigates the spreading code sequences appropriate for the multicarrier code division multiple access (MC-... [more] | RCS2009-48 pp.113-118 |
| RCS, SAT (Joint) |
2008-12-18 09:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study on Complexity Reduced MLD Based on QR Decomposition in OFDM MIMO Multiplexing with Frequency Domain Spreading and Code Multiplexing Kouji Nagatomi, Kenichi Higuchi (Tokyo Univ. of Science) RCS2008-152 |
This paper presents a symbol ordering method for the proposed maximum likelihood detection (MLD) for orthogonal frequenc... [more] | RCS2008-152 pp.7-12 |
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