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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CQ, CS (Joint) |
2024-05-17 14:10 |
Aichi | (Primary: On-site, Secondary: Online) |
Study on Indoor Radio Tomographic Imaging using LOS Component Estimation and TOA-based Localization Shino Shiraki (Tokyo Metropolitan Univ.), Yoshiaki Nishikawa (Secure System Platform Research Laboratories, NEC Corporation), Takahiro Matsuda (Tokyo Metropolitan Univ.), Eiji Takahashi, Takeo Onishi (Secure System Platform Research Laboratories, NEC Corporation), Toshiki Takeuchi (Advanced Network Research Laboratories, NEC Corporation) |
(To be available after the conference date) [more] | |
| RISING (3rd) |
2023-10-31 09:45 |
Hokkaido | Kaderu 2・7 (Sapporo) | [Poster Presentation]
Study of Frequency-Domain LOS Identification Independent from CSI Normalization Yusei Yasuba (Kyoto Univ.), Koji Yamamoto (Kyoto Inst. of Tech.), Hiroki Shimomura, Keisuke Tamai (Kyoto Univ.), Noriyasu Kato, Shunji Taki, Takuya Negishi (Allied Telesis) |
Line-of-sight (LOS) identification methods based on WiFi devices have used time series of channel state information (CSI... [more] | |
| SeMI, SeMI (Joint) |
2023-01-19 13:20 |
Tokushima | Naruto grand hotel (Primary: On-site, Secondary: Online) |
[Short Paper]
LoS-Aware Placement of UAVs in Urban Environments Hiroyuki Asano, Hiraku Okada, Chedlia Ben Naila, Masaaki Katayama (Nagoya Univ.)  SeMI2022-72 |
This study discusses providing ground user equipments (UEs) with wireless connectivity via unmanned aerial vehicles (UAV... [more] | SeMI2022-72 pp.9-13 |
| SeMI, SeMI (Joint) |
2023-01-20 11:35 |
Tokushima | Naruto grand hotel (Primary: On-site, Secondary: Online) |
[Short Paper]
A Study of Beamforming Feedback-based LOS Detection Hiroki Shimomura, Takamochi Kanda, Koji Yamamoto (Kyoto Univ.), Takayuki Nishio (Kyoto Univ./Tokyo Tech.), Akihito Taya (Kyoto Univ./Univ. Tokyo) SeMI2022-101 |
Channel state information (CSI) in wireless local area network (WLAN) has attracted increasing attention for Wi-Fi sensi... [more] | SeMI2022-101 pp.140-145 |
| MIKA (3rd) |
2022-10-14 10:40 |
Niigata | Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
LoS-Aware Optimal Placement of a UAV in Urban Environments Hiroyuki Asano, Hiraku Okada, Chedlia Ben Naila, Masaaki Katayama (Nagoya Univ.) |
Several studies are in progress on the use of unmanned aerial vehicles (UAVs) to provide user equipment on the ground wi... [more] | |
| RCS, SAT (Joint) |
2021-08-26 16:15 |
Online | Online | BER of LDPC-Coded Single-Carrier LOS-MIMO Using FDE in 3GPP TDL Channel Models Aiki Hara, Kana Aono, Mamoru Sawahashi (Tokyo City Uviv.), Norifumi Kamiya (NEC) RCS2021-107 |
The application of line-of-sight (LOS)-multiple-input multiple-output (MIMO) to the backhaul or fronthaul between a macr... [more] | RCS2021-107 pp.39-44 |
| IT, SIP, RCS | 2020-01-24 16:40 |
Hiroshima | Hiroshima City Youth Center | On Capacity of Massive MIMO in Multiuser Operation [II]
-- In the case of LOS environments -- Yoshio Karasawa IT2019-85 SIP2019-98 RCS2019-315 |
In our previous report, we focused on the channel capability of Massive MIMO and investigated the relationship among var... [more] | IT2019-85 SIP2019-98 RCS2019-315 pp.291-296 |
| MIKA (2nd) |
2019-10-04 10:15 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
A study on accurate indoor localization in NLOS environments using sensor node selection Keigo Ishida, Eiji Okamoto (NIT), Huan-Bang Li (NICT) |
Indoor location information is getting more and more important in recent years. The localization method using a time of ... [more] | |
| RCS, SAT (Joint) |
2019-08-23 10:20 |
Aichi | Nagoya University | Blockage Detection and User Association in mmWave Networks Yuva Kumar S., Tomoaki Ohtsuki (Keio Univ.) RCS2019-163 |
The large spectral bandwidth at millimeter-wave (mmWave) frequencies provides a mean to achieve very high data rates in ... [more] | RCS2019-163 pp.91-96 |
| AP, RCS (Joint) |
2017-11-08 14:55 |
Fukuoka | Fukuoka University | [Invited Lecture]
Channel Prediction in LOS Environment by AR Model Using Estimation of LOS Propagation Parameters Naoto Setoguchi, Hiroaki Nakabayashi, Keizo Cho (Chiba Inst.Tech.) AP2017-117 RCS2017-214 |
In MIMO technology, feedback delay of channel state information is regarded as a cause of deterioration of transmission ... [more] | AP2017-117 RCS2017-214 pp.49-54(AP), pp.53-58(RCS) |
| AP (2nd) |
2017-01-26 - 2017-01-27 |
Overseas | Malaysia-Japan International Institute of Technology (MJIIT) | Prediction Accuracy Using Theoretical Autocorrelation Coefficient of Fading Channel in Line-of-Sight Environment Naoto Setoguchi, Hiroaki Nakabayashi, Keizo Cho (Chiba Inst.Tech.) |
Abstract In this report, we investigate prediction accuracy of fading channels in line-of-sight (LOS) environment when ... [more] | |
| AP, RCS, WPT, SAT (Joint) |
2015-11-05 11:20 |
Okinawa | Okinawa Prefectural Museum & Art Museum | Open-Loop Correlation Reduction Precoding in Overloaded MIMO-OFDM Systems Hikari Matsuoka, Yoshihito Doi, Tatsuro Yabe, Yukitoshi Sanada (Keio Univ.) RCS2015-212 |
This report proposes an open-loop correlation reduction precoding scheme for overloaded multiple-input multiple-output (... [more] | RCS2015-212 pp.133-138 |
| RCS, SAT (Joint) |
2013-08-29 16:35 |
Nagano | Shinshu Univ. | Effect of Reflector Based on 11 GHz Band 8x8 MIMO Outdoor Experiment in LOS Channels and Transmission Simulation Jiyun Shen, Satoshi Suyama, Yasuhiro Oda, Yukihiko Okumura (NTT DOCOMO) RCS2013-130 |
Multi-input multi-output (MIMO) transmission system that utilize a higher frequency band and a wider bandwidth is known ... [more] | RCS2013-130 pp.43-48 |
| AP | 2012-01-19 09:55 |
Fukuoka | Kyushu Inst. of Tech. | Carrier Frequency Characteristic of Time-spatial Profile in Outdoor LOS Environments Hideki Omote, Yosuke Sugita, Yoshichika Ohta, Teruya Fujii (SBM) AP2011-160 |
In order to evaluate spatial processing techniques such as MIMO for wideband mobile communications, a Time-Spatial Propa... [more] | AP2011-160 pp.79-84 |
| MoNA, IN (Joint) |
2011-11-17 11:20 |
Fukuoka | An Integration Method for Wireless Location Using Mobile Phone Built-in Sensors and TDOA Landmarks Mingmei Li, Kazuyuki Tasaka, Kiyohito Yoshihara (KDDI R&D Labs) IN2011-95 |
Non-line-of-sight (NLOS) signal propagation is the major source of error in wireless Time Difference of Arrival (TDOA) i... [more] | IN2011-95 pp.13-18 |
|
| AP, RCS (Joint) |
2011-11-16 10:05 |
Aichi | Nagoya Congress Center | Experimental Evaluation of Line-of-Sight MIMO by using Block and Reflector in Sub-Urban Area Jun Takizawa, Takaya Kaji, Shingo Yoshizawa (Hokkaido Univ.), Takashi Saito, Takashi Gunji (Mitsubishi Electric TOKKI Systems), Yoshikazu Miyanaga (Hokkaido Univ.) RCS2011-191 |
In a line-of-sight(LOS) multiple-input multiple-output(MIMO) communication, the actual throughput decreases due to the i... [more] | RCS2011-191 pp.13-18 |
| IN, NS (Joint) |
2011-03-04 10:20 |
Okinawa | Okinawa Convention Center | An NLOS Mitigation Algorithm with Weight Factor for TDOA Distance Measurement Mingmei Li, Naoki Imai, Kiyohito Yoshihara (KDDI lab) IN2010-198 |
Non-line-of-sight (NLOS) identification and mitigation carry significant importance in location systems. Previous resear... [more] | IN2010-198 pp.325-330 |
| AN, USN, SR, RCS (Joint) |
2010-10-29 11:20 |
Osaka | Osaka University | On Capacity Improvement of 2x2 LOS-MIMO using Reflectors Jiyun Shen, Yasuhiro Oda, Tatsuo Furuno, Tamami Maruyama, Tomoyuki Ohya (NTT DOCOMO) RCS2010-133 |
As for the MIMO (Multiple-Input Multiple-Output) transmission scheme, high attention has be paid to the frequency utiliz... [more] | RCS2010-133 pp.169-174 |
| RCS, SIP | 2010-01-22 11:40 |
Fukuoka | Kyushu Univ. | A Study on Transmission Power Control Technique in Intensity Distribution-based Spatial Time Division Multiple Access System for Hybrid-LOS Indoor Optical Wireless Communication Kenji Kawamoto, Shinichi Miyamoto, Seiichi Sampei (Osaka Univ.) SIP2009-107 RCS2009-241 |
As a multiple access scheme in hybrid line-of-sight (LOS) indoor optical wireless communication system, intensity distri... [more] | SIP2009-107 RCS2009-241 pp.199-204 |
| WBS, IT, ISEC | 2009-03-09 17:10 |
Hokkaido | Hakodate Mirai Univ. | TOA UWB Position Estimation with 2 receivers and one known reflector Jan Kietlinski-Zaleski, Takaya Yamazato, Masaaki Katayama (Nagoya Univ.) IT2008-77 ISEC2008-135 WBS2008-90 |
Ultra-Wideband is an attractive technology for short range positioning, especially indoors. However, for normal Time of ... [more] | IT2008-77 ISEC2008-135 WBS2008-90 pp.211-216 |
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