Satoshi NAGATA


Investigation on Non-Orthogonal Multiple Access with Reduced Complexity Maximum Likelihood Receiver and Dynamic Resource Allocation
Yousuke SANO Kazuaki TAKEDA Satoshi NAGATA Takehiro NAKAMURA Xiaohang CHEN Anxin LI Xu ZHANG Jiang HUILING Kazuhiko FUKAWA 
Publication:   
Publication Date: 2017/08/01
Vol. E100-B  No. 8  pp. 1301-1311
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Technologies for 5G Mobile Communications System)
Category: Wireless Communication Technologies
Keyword: 
non-orthogonal multiple accessreduced complexity-maximum likelihood receiverlink to system mappinguser scheduling
 Summary | Full Text:PDF(3.1MB)

Performance Comparison of List Viterbi Algorithm of Tail-Biting Convolutional Code for Future Machine Type Communications
Shunichi BUSHISUE Satoshi SUYAMA Satoshi NAGATA Nobuhiko MIKI 
Publication:   
Publication Date: 2017/08/01
Vol. E100-B  No. 8  pp. 1293-1300
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Technologies for 5G Mobile Communications System)
Category: Fundamental Theories for Communications
Keyword: 
machine type communicationstail-biting convolutional codelist viterbi algorithm
 Summary | Full Text:PDF(1.4MB)

Performance Evaluations of Transmit Diversity Schemes with Synchronization Signals for LTE Downlink
Satoshi NAGATA Yoshihisa KISHIYAMA Motohiro TANNO Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/06/01
Vol. E98-B  No. 6  pp. 1110-1124
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
cell searchsynchronization signalsLTEtransmit diversitycell ID detection
 Summary | Full Text:PDF(3.4MB)

Low Complexity Centralized Scheduling Scheme for Downlink CoMP
Jing WANG Satoshi NAGATA Lan CHEN Huiling JIANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/05/01
Vol. E98-B  No. 5  pp. 940-948
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
coordinated multi-point (CoMP)centralized schedulinglow complexityscheduling indicator vector
 Summary | Full Text:PDF(1.7MB)

Performance Investigation on Cell Selection Schemes Associated with Downlink Inter-Cell Interference Coordination in Heterogeneous Networks for LTE-Advanced
Yuya SAITO Jaturong SANGIAMWONG Nobuhiko MIKI Satoshi NAGATA Tetsushi ABE Yukihiko OKUMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/12/01
Vol. E94-B  No. 12  pp. 3304-3311
Type of Manuscript:  Special Section PAPER (Special Section on Cooperative Communications for Cellular Networks)
Category: 
Keyword: 
LTE-advancedheterogeneous networkcell selectionreference signal received powerreference signal received quality
 Summary | Full Text:PDF(2.4MB)

System Performance Investigation of Layer-1 and Layer-3 Relays in LTE-Advanced Downlink
Satoshi NAGATA Yuan YAN Anxin LI Xinying GAO Tetsushi ABE Takehiro NAKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/12/01
Vol. E94-B  No. 12  pp. 3296-3303
Type of Manuscript:  Special Section PAPER (Special Section on Cooperative Communications for Cellular Networks)
Category: 
Keyword: 
LTE-advancedOFDMrelaylayer 3scheduling
 Summary | Full Text:PDF(2.1MB)

Investigation on Data Signal Muting to Improve Channel Estimation Accuracy in Downlink Coordinated Multiple-Point Transmission in LTE-Advanced
Yusuke OHWATARI Nobuhiko MIKI Tetsushi ABE Satoshi NAGATA Yukihiko OKUMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/12/01
Vol. E94-B  No. 12  pp. 3321-3334
Type of Manuscript:  Special Section PAPER (Special Section on Cooperative Communications for Cellular Networks)
Category: 
Keyword: 
coordinated multipoint transmission/receptiondata signal mutingLTE-Advanced
 Summary | Full Text:PDF(5.6MB)

Block-Wise Resource Block-Level Distributed Transmission for Shared Data Channel in OFDMA Evolved UTRA Downlink
Satoshi NAGATA Yoshiaki OFUJI Yoshihisa KISHIYAMA Nobuhiko MIKI Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1660-1668
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
Evolved UTRAOFDMdistributed transmissionresource blockshared data channel
 Summary | Full Text:PDF(2.4MB)

Cell Search Time Comparison Using Hierarchical and Non-hierarchical Synchronization Channels in OFDM Based Evolved UTRA Downlink
Satoshi NAGATA Motohiro TANNO Yoshihisa KISHIYAMA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1608-1618
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
Evolved UTRAOFDMcell searchsynchronization channel
 Summary | Full Text:PDF(1.8MB)

Physical Channel Structures and Cell Search Method for Scalable Bandwidth for OFDM Radio Access in Evolved UTRA Downlink
Motohiro TANNO Kenichi HIGUCHI Satoshi NAGATA Yoshihisa KISHIYAMA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/12/01
Vol. E90-B  No. 12  pp. 3622-3631
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
OFDMevolved UTRAcell searchsynchronization channelscalable bandwidth
 Summary | Full Text:PDF(1.4MB)

Accurate FFT Processing Window Timing Detection Based on Maximum SIR Criterion in OFCDM Wireless Access
Satoshi NAGATA Noriyuki MAEDA Hiroyuki ATARASHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2  pp. 552-560
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2)
Category: 
Keyword: 
FFT window timingSIRinter-symbol interferenceOFCDM
 Summary | Full Text:PDF(1.2MB)

Improvement of Performances of SC Sigma-Delta Modulators
Kenichi SUGITANI Fumio UENO Takahiro INOUE Takeru YAMASHITA Satoshi NAGATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/06/25
Vol. E76-A  No. 6  pp. 931-939
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 1992 Joint Technical Conference on Circuits/Systems,Computers and Communications (JTC-CSCC'92))
Category: Methods and Circuits for Signal Processing
Keyword: 
solid state circuitsanalog/digital signal processingA/D converter
 Summary | Full Text:PDF(575.7KB)