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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 25  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
NS, RCS
(Joint)
2023-12-15
12:10
Fukuoka Kyushu Institute of Technology Tobata campus, and Online
(Primary: On-site, Secondary: Online)
Orthogonal Constellation Design for Complexity Reduction of Downlink SCMA Systems
Leo Tomura, Takahiko Saba (CIT) RCS2023-199
Sparse code multiple access (SCMA) is a non-orthogonal multiple access scheme which is to be used in the next generation... [more] RCS2023-199
pp.118-121
SDM, ICD, ITE-IST [detail] 2023-08-02
09:45
Hokkaido Hokkaido Univ. Multimedia Education Bldg. 3F
(Primary: On-site, Secondary: Online)
A 1W/8R 20T SRAM Codebook for Deep Learning Processors to Reduce Main Memory Bandwidth
Ryotaro Ohara, Masaya Kabuto, Masakazu Taichi, Atsushi Fukunaga, Yuto Yasuda, Riku Hamabe, Shintaro Izumi, Hiroshi Kawaguchi (Kobe Univ) SDM2023-44 ICD2023-23
We present a 1W8R 20T multi-port memory for codebook quantisation in deep learning processors, manufactured in a 40 nm p... [more] SDM2023-44 ICD2023-23
pp.41-44
NS, SR, RCS, SeMI, RCC
(Joint)
2022-07-14
14:55
Ishikawa The Kanazawa Theatre + Online
(Primary: On-site, Secondary: Online)
Phase Control Determination by Codebook Technology without CSI for Standalone-IRS
Ryuhei Hibi, Yuichi Kawamoto, Nei Kato (Tohoku Univ.) SR2022-32
Intelligent Reflecting Surface (IRS) has gained attention from academia and industries to improve communication quality ... [more] SR2022-32
pp.61-66
RCS, NS
(Joint)
2021-12-16
11:25
Nara Nara-ken Bunka Kaikan and Online
(Primary: On-site, Secondary: Online)
Codebook design in SCMA system with power distribution.
Daigo Hashimoto, Han Chenggao (UEC) RCS2021-177
In Code-Domain NOMA (Non-Orthogonal Multiple Access), the accuracy of MPA (Message Passing Algorithm) detection depends ... [more] RCS2021-177
pp.13-18
RCS, SAT
(Joint)
2021-08-27
15:45
Online Online Low Latency Beam-Sweeping for Millimeter-Wave Partially Connected Arrays
Andre Saito Guerreiro (UEC), Hiroki Iimori (JUB), Koji Ishibashi (UEC) RCS2021-117
Millimeter-wave communication has been widely studied due to its potential to attain higher data rates by providing a si... [more] RCS2021-117
pp.97-102
ET 2018-03-03
15:25
Kochi Kochi University of Technology (Eikokuji Campus) Examination of a text-independent authentication using character image for e-Testing
Taisuke Kawamata, Sota Shimizu, Takako Akakura (TUS) ET2017-130
On e-Testing, it is necessary to prevent impersonation to ensure fairness.
There are researches that the examinee aut... [more]
ET2017-130
pp.239-242
RCS 2015-06-26
10:21
Hokkaido Hokkaido Univ. Performance Comparison of Random Beamforming and Codebook-Based Beamforming in Cellular Downlink with Massive MIMO
Takuya Hoshino, Kenichi Higuchi (Tokyo Univ. of Science) RCS2015-89
This paper compares the throughput levels of random beamforming (RB) and codebook-based beamforming (CBBF) in cellular d... [more] RCS2015-89
pp.253-256
RCS, SIP 2014-01-23
15:15
Fukuoka Kyushu Univ. System-Level Evaluation on Enhanced 4-Tx Codebook for LTE-Advanced Downlink Multi-User MIMO
Yuichi Kakishima (NTT DOCOMO), Yang Song (DOCOMO Beijing Lab.), Anass Benjebbour, Satoshi Nagata (NTT DOCOMO), Huiling Jiang (DOCOMO Beijing Lab.), Yoshihisa Kishiyama, Takehiro Nakamura (NTT DOCOMO) SIP2013-97 RCS2013-267
In LTE-Advanced downlink, multi-user (MU)-MIMO transmission is considered to be a promising technology to improve cell-a... [more] SIP2013-97 RCS2013-267
pp.71-76
RCS, AP
(Joint)
2013-11-20
14:00
Shimane Matsue Terrsa Comparison of Beamforming Matrix Control Methods in Base Station Cooperative Multiuser MIMO Using Block-Diagonalized Beamforming Matrix
Nobuhide Nonaka (Tokyo Univ. of Science), Yuichi Kakishima (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2013-176
This paper investigates beamforming control method in the base station (BS) cooperative multiuser multiple-input multipl... [more] RCS2013-176
pp.13-18
EMM, EA 2013-11-14
- 2013-11-15
Hiroshima Prefectural University of Hiroshima, Satellite Campus Hiroshima An improvement of MPEG Surround using adaptive codebook based on prediction error distribution
Yohei Kishi, Akira Kamano, Takeshi Otani (FUJITSU LABO), Masanao Suzuki (FUJITSU) EA2013-75 EMM2013-75
MPEG(Moving Picture Experts Group) surround is standardized by ISO/IEC, and is a audio coding technology that can encode... [more] EA2013-75 EMM2013-75
pp.43-47
RCS, SR, SRW
(Joint)
2013-02-27
14:00
Tokyo Waseda Univ. Performance Evaluation of Codebook Based Transmit Diversity Using Adaptive Antenna Selection for DFT-Precoded OFDMA
Hideyuki Numata (Tokyo City Univ.), Teruo Kawamura (NTT DOCOMO), Hidekazu Taoka (DOCOMO Europe Labs.), Mamoru Sawahashi (Tokyo City Univ.) RCS2012-318
This paper investigates the average block error rate (BLER) performance of codebook based transmit diversity using adapt... [more] RCS2012-318
pp.207-212
IN, RCS
(Joint)
2012-05-18
09:20
Tokyo Kuramae-Kaikan, Tokyo Institute of Technology User scheduling in MU-MIMO system considering codebook design and interference among users
Ikuma Ando, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki (Tokyo Tech Univ.) RCS2012-32
Recently, multiuser MIMO communication system has attracted much attention because of their potential
for increasing ra... [more]
RCS2012-32
pp.61-66
SIS 2011-12-16
10:50
Yamaguchi   Hierarchal Predefine Codebook based Image Enlargement and Its FPGA Implementation
Hakaru Tamukoh (TUAT), Hideaki Kawano (KIT), Noriaki Suetake (Yamaguchi Univ.), Masatoshi Sekine (TUAT), Byungki Cha, Takashi Aso (KIIS) SIS2011-51
The codebook based method, which consists of a relationship of high- and low-frequency image components,
achieves a hi... [more]
SIS2011-51
pp.63-67
SP 2011-07-21
13:30
Hokkaido Jozankei Grand Hotel One-model Speech Recognition and Synthesis System Based on Articulatory
Masashi Kimura, Takayuki Onoda, Yurie Iribe, Kouichi Katsurada, Tsuneo Nitta (Toyohashi Tech) SP2011-41
Speech recognition (SR) and speech synthesis (SS) based on one-model of articulatory movement HMMs that are commonly app... [more] SP2011-41
pp.1-6
RCS, MoNA, SR
(Joint)
2011-03-04
11:30
Kanagawa YRP Transmit/Receive Schemes Based on Amount of Information at Transmitter/Receiver in Base Station Cooperative MIMO
Mitsuki Yamada, Tomoaki Ohtsuki (Keio Univ.) RCS2010-305
In cellular MIMO system, user in a cell center area can achieve high throughput. However, user in a cell edge area canno... [more] RCS2010-305
pp.331-336
SIS 2010-12-03
10:00
Nara   Hierarchal Predefined Codebook for High-Frequency Component Estimation and Its Application to Image Enlargement
Hakaru Tamukoh (Tokyo Univ. of Agr and Tech.), Hideaki Kawano (Kyushu Inst. of Tech.), Noriaki Suetake (Yamaguchi Univ.), Masatoshi Sekine (Tokyo Univ. of Agr and Tech.), Byungki Cha, Takashi Aso (Kyushu Inst. of Info. Sci.) SIS2010-48
A high-quality image enlargement is achieved by an estimation of high-frequency components.
We have proposed a pre-defi... [more]
SIS2010-48
pp.77-82
AP, RCS
(Joint)
2010-11-12
10:20
Fukui Fukui Univ. Hybrid CSI feedback and precoding method for MU-MIMO
Yoonseok Oh, Kei Sakaguchi, Kiyomichi Araki (Tokyo Tech.) RCS2010-151
In the LTE standard, the close-loop system is used for high throughput. Mobile feeds channel state information (CSI) bac... [more] RCS2010-151
pp.57-61
RCS, NS
(Joint)
2010-07-15
13:10
Hokkaido Abashiri Public Auditorium Codebook Design for 3GPP LTE-Advanced
Hui Tong (PRDCC), Masayuki Hoshino (Panasonic), Fan Yang (Tsinghua Univ.), Ming Xu (PRDCC), Daichi Imamura (Panasonic) RCS2010-56
The authors are working on Enhanced Downlink Multiple Antenna Transmission for the 3GPP Long Term Evolution (LTE) -Advan... [more] RCS2010-56
pp.47-52
SIS 2010-03-04
15:25
Kanagawa Kanagawa Institute of Technology Image Enlargement Employing Predefined Codebook and Eigenspace-BPLP
Hidenobu Hashikami, Go Tanaka (Yamaguchi Univ.), Hideaki Kawano (Kyusyu Inst. of Tech.), Noriaki Suetake (Yamaguchi Univ.), Eiji Uchino (Yamaguchi Univ./Fuzzy Logic Systems Inst.) SIS2009-55
Back projection for lost pixel (BPLP) is a method, which generates the eigenspace reflecting characteristics of an input... [more] SIS2009-55
pp.37-42
SIS 2009-12-18
11:10
Kyoto   Image Enlargement with Predefined Codebook Incorporating Local Edge Patterns of Images
Hideaki Kawano (Kyushu Inst. of Tech.), Hakaru Tamukoh (Tokyo Univ. of Agr and Tech.), Noriaki Suetake (Yamaguchi Univ.), Byungki Cha, Takashi Aso (Kyushu Inst. of Info. Sci.) SIS2009-45
Image super-resolution is achieved by some kind of restoration method for high-frequency components which are deteriorat... [more] SIS2009-45
pp.85-88
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