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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 34  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MIKA
(3rd)
2022-10-14
10:40
Niigata Niigata Citizens Plaza
(Primary: On-site, Secondary: Online)
A New CSI Feedback with Quantization Based on Adaptive DNN for FDD Massive MIMO Systems
Junjie Gao, Mondher Bouazizi, Tomoaki Ohtsuki (Keio Univ.), Guan Gui (NJUPT)
 [more]
RCS 2022-06-17
13:40
Okinawa University of the Ryukyus, Senbaru Campus and online
(Primary: On-site, Secondary: Online)
Evaluation of Source Data Selection for CSI Feedback Method based on Deep Transfer Learning in FDD Massive MIMO Systems
Mayuko Inoue, Tomoaki Ohtsuki (Keio Univ) RCS2022-62
In frequency division duplexing (FDD) massive multiple-input multiple-output (MIMO), the downlink channel state informat... [more] RCS2022-62
pp.224-229
SIS, IPSJ-AVM 2022-06-10
11:20
Fukuoka KIT(Wakamatsu Campus)
(Primary: On-site, Secondary: Online)
Sugar content detection using wireless LAN system for sucrose aqueous solution
Souta Yakura, Naoto Sasaoka, Tadao Nakagawa, Yoshihiro Takemura (Tottori Univ.) SIS2022-8
Currently, Japan’s agricultural industry is facing various problems such as farming population. To solve such problems ,... [more] SIS2022-8
pp.36-40
CS, CAS 2018-03-13
15:55
Fukuoka Nishijin Plaza, Kyushu University A Channel State Information Feedback Scheme for Multi-user MIMO using Guard Band Frequency Response extrapolated by Adaptive Filter
Futoshi Fukuda, Fumio Takahata (Waseda Univ.) CAS2017-159 CS2017-113
Several compression schemes of channel state information (CSI) for the downlink multi-user MIMO are proposed, in which a... [more] CAS2017-159 CS2017-113
pp.145-150
SIP, IT, RCS 2018-01-22
16:10
Kagawa Sunport Hall Takamatsu Transmission Performance for Multiuser MIMO System According to Spatial Correlations and errors of CSI feedback under Multipath Fading Environments
Kyouka Abe (Grad. Sch. TUSS), Syouta Wakabayashi (TUSS), Naoki Ginoza (Grad. Sch. TUSS), Kazuhiro Yamaguchi, Hideaki Matsue (TUSS) IT2017-78 SIP2017-86 RCS2017-292
This paper analyzed the influence of errors of CSI feedback and according to spatially correlations to network performa... [more] IT2017-78 SIP2017-86 RCS2017-292
pp.137-142
RCS, SAT
(Joint)
2017-08-17
09:25
Niigata Niigata Univ. Efficient CSI Acquisition System using CSI Feedback in IEEE 802.11ac
Tomoki Murakami, Makoto Umeuchi (NTT), Shigemi Ishida, Akira Fukuda (Kyushu Univ.) RCS2017-151
(To be available after the conference date) [more] RCS2017-151
pp.49-54
RCS, CCS, SR, SRW
(Joint)
2016-03-02
13:15
Tokyo Tokyo Institute of Technology Interference Alignment for Multi-User MIMO Interference Channels Based on Estimated Uplink Channels
Fereidoun H. Panahi, Tomoaki Ohtsuki (Keio Univ.), Wenjie Jiang, Yasushi Takatori, Kazuhiro Uehara (NTT) RCS2015-351
We propose centralized iterative algorithms that jointly determine the optimal transmit and receive filters for a K-user... [more] RCS2015-351
pp.109-114
RCS, IT, SIP 2016-01-18
11:25
Osaka Kwansei Gakuin Univ. Osaka Umeda Campus Iterative Time-Domain Compression Method of MIMO Channel State Information Using Iterative Updates of Path Selection
Tomohiro Nabeshima, Kenichi Higuchi (Tokyo Univ. of Science) IT2015-56 SIP2015-70 RCS2015-288
In this paper, we propose an enhanced approach of our previously proposed iterative time-domain compression method multi... [more] IT2015-56 SIP2015-70 RCS2015-288
pp.49-54
AP, RCS, WPT, SAT
(Joint)
2015-11-05
09:55
Okinawa Okinawa Prefectural Museum & Art Museum A Study on Low Complexity Inter-user Interference Aware MIMO Decoder for High Performance Downlink MU-MIMO Systems
Reina Hongyo, Leonardo Lanante Jr, Hiroshi Ochi (Kyutech) RCS2015-206
Multi user multiple input multiple output (MU-MIMO) is a technology used in IEEE 802.11ac very high throughput wireless ... [more] RCS2015-206
pp.97-102
AP, RCS, WPT, SAT
(Joint)
2015-11-06
11:45
Okinawa Okinawa Prefectural Museum & Art Museum FPGA Implementation of Channel Emulator with Automatic Channel Sounding Feedback for MU-MIMO WLAN systems
Tran Thi Thao Nguyen, Leonardo Lanante, Yuhei Nagao, Masayuki Kurosaki, Hiroshi Ochi (Kyutech) AP2015-147
Regardless of the wireless application, the wireless communication channel is the central point of any wireless communic... [more] AP2015-147
pp.213-218
RCS, SAT
(Joint)
2015-08-18
09:55
Fukuoka Fukuoka Univ. High Efficient Spatial Division Multiplexing Technique with the First Eigen-mode parallel transmission on millimeter wave band in LOS environment -- Effective channel feedback scheme --
Takuto Arai, Atsushi Ohta, Yushi Shirato, Kazuki Maruta, Tatsuhiko Iwakuni, Masataka Iizuka (NTT) RCS2015-145
In the previous paper, the authors have discussed the practical Massive MIMO system in LOS environment where the base st... [more] RCS2015-145
pp.79-84
RCS 2015-06-25
10:13
Hokkaido Hokkaido Univ. Iterative Time-Domain Compression Method of MIMO Channel State Information
Tomohiro Nabeshima, Kenichi Higuchi (Tokyo Univ. of Science) RCS2015-66
In this paper, we propose an iterative time-domain compression method multiple-input multiple-output (MIMO) channel stat... [more] RCS2015-66
pp.119-124
RCS, IN
(Joint)
2015-05-21
09:20
Tokyo Kikai-Shinko-Kaikan Bldg. Preliminary Evaluation Results on Analog CSI Feedback Enhancement for LTE-Advanced
Chiharu Yamazaki, Hiroyuki Urabayashi, Fangwei Tong, Masato Fujishiro, Kugo Morita (KYOCERA) RCS2015-23
Depletion of radio frequency resource due to traffic explosion is the serious problem on radio communication and multi a... [more] RCS2015-23
pp.1-6
RCS, IN
(Joint)
2015-05-22
10:20
Tokyo Kikai-Shinko-Kaikan Bldg. Distributed Resource Allocation Based on CSI Feedback Overhearing for Downlink Heterogeneous Systems with Cell Range Expansion
Takuya Kamenosono, Megumi Kaneko, Kazunori Hayashi (Kyoto Univ.) RCS2015-35
In this paper, we consider a distributed resource allocation for Macro Base Station (MBS) in macrocell/picocell overlay ... [more] RCS2015-35
pp.61-66
RCS, SR, SRW
(Joint)
2015-03-04
17:40
Tokyo Tokyo Institute of Technology Preliminary Evaluation Results on Analog CSI Feedback Enhancement for LTE-Advanced
Chiharu Yamazaki, Hiroyuki Urabayashi, Fangwei Tong, Masato Fujishiro, Kugo Morita (KYOCERA) RCS2014-325
Depletion of radio frequency resource due to traffic explosion is the serious problem on radio communication and multi a... [more] RCS2014-325
pp.141-146
RCS 2014-06-17
10:13
Okinawa Okinawa-ken Seinenkaikan (Naha) Low Complexity Precoder for MU-MIMO System using Proposed Decompression Method for V Matrix
Naotaka Yoshida, Yuji Yokota, Yuhei Nagao, Hiroshi Ochi (Kyusyu Inst. of Tech.) RCS2014-40
Iterative calculation is one technique to compute block diagonalization (BD) precoders for Multi-User Multiple Input Mul... [more] RCS2014-40
pp.49-54
RCS 2014-06-17
10:29
Okinawa Okinawa-ken Seinenkaikan (Naha) Study of Channel Prediction for Multi-user MIMO Precoding System
Toshiki Tanaka, Hidekazu Murata (Kyoto Univ.) RCS2014-42
Multi-user multiple-input multiple-output (MU-MIMO) systems are able to increase the capacity of wireless systems as lon... [more] RCS2014-42
pp.61-64
RCS 2014-06-18
13:40
Okinawa Okinawa-ken Seinenkaikan (Naha) Transmission efficiency in MIMO communication -- Performance comparison of access control for Single-user and Multi-user --
Toshiyuki Ogawa (Nippon Inst. of Tech.), Kentaro Nishimori (Niigata Univ.), Takefumi Hiraguri (Nippon Inst. of Tech.) RCS2014-71
In recent years, MIMO (Multi Input Multi Output) transmission is assumed to be an requisite technology to speed up wirel... [more] RCS2014-71
pp.225-231
RCS 2014-06-18
14:40
Okinawa Okinawa-ken Seinenkaikan (Naha) Consideration on Analog CSI Feedback Enhancement for LTE-Advanced
Chiharu Yamazaki, Hiroyuki Urabayashi, Fangwei Tong, Masato Fujishiro, Kugo Morita (KYOCERA) RCS2014-74
Depletion of radio frequency resource due to traffic explosion is the serious problem on radio communication and multi a... [more] RCS2014-74
pp.245-250
IN, RCS
(Joint)
2014-05-15
10:55
Tokyo Kikai-Shinko-Kaikan Bldg. CSI Reference Signal Multiplexing Using Carrier Frequency Swapping for FDD High-Order MIMO SDM
Mamoru Sawahashi (Tokyo City Univ.), Teruo Kawamura, Yuichi Kakishima (NTT DOCOMO) RCS2014-20
This paper proposes channel state information - reference signal (CSI-RS) multiplexing employing carrier frequency swapp... [more] RCS2014-20
pp.7-12
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