Kazunori HAYASHI


Error Recovery for Massive MIMO Signal Detection via Reconstruction of Discrete-Valued Sparse Vector
Ryo HAYAKAWA Kazunori HAYASHI 
Publication:   
Publication Date: 2017/12/01
Vol. E100-A  No. 12  pp. 2671-2679
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Communication Theory and Systems
Keyword: 
massive MIMOsignal detectionsum-of-absolute-value optimizationrestricted isometry property
 Summary | Full Text:PDF(1.2MB)

Self-Organized Inter-Cell Interference Coordination Based on Partial CSI Sharing in Heterogeneous Networks Employing Cell Range Expansion
Takuya KAMENOSONO Megumi KANEKO Kazunori HAYASHI Lila BOUKHATEM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1780-1788
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC2015)
Category: Wireless Communication Technologies
Keyword: 
heterogeneous networkcell range expansionICICLTE-advancedCSI feedback
 Summary | Full Text:PDF(1.4MB)

Lattice Reduction-Aided Detection for Overloaded MIMO Using Slab Decoding
Ryo HAYAKAWA Kazunori HAYASHI Megumi KANEKO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1697-1705
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC2015)
Category: Wireless Communication Technologies
Keyword: 
overloaded MIMOsignal detectionlattice reductionslab decoding
 Summary | Full Text:PDF(725.3KB)

Maximum Likelihood Approach for RFID Tag Cardinality Estimation under Capture Effect and Detection Errors
Chuyen T. NGUYEN Kazunori HAYASHI Megumi KANEKO Hideaki SAKAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/05/01
Vol. E96-B  No. 5  pp. 1122-1129
Type of Manuscript:  PAPER
Category: Network
Keyword: 
RFIDMaximum Likelihood (ML)tag cardinality estimationcapture effectdetection errors
 Summary | Full Text:PDF(913.9KB)

A User's Guide to Compressed Sensing for Communications Systems
Kazunori HAYASHI Masaaki NAGAHARA Toshiyuki TANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/03/01
Vol. E96-B  No. 3  pp. 685-712
Type of Manuscript:  INVITED SURVEY PAPER
Category: 
Keyword: 
compressed sensingsparse signalcompressible signal1-normunderdetermined system
 Summary | Full Text:PDF(1MB)

Compressive Sampling for Remote Control Systems
Masaaki NAGAHARA Takahiro MATSUDA Kazunori HAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/04/01
Vol. E95-A  No. 4  pp. 713-722
Type of Manuscript:  Special Section PAPER (Special Section on Reliable Robust Radio Control Technology)
Category: 
Keyword: 
remote controlcompressive samplingcompressed sensingsparse representation1-2 optimization
 Summary | Full Text:PDF(1MB)

Fairness-Aware Superposition Coded Scheduling for a Multi-User Cooperative Cellular System
Megumi KANEKO Kazunori HAYASHI Petar POPOVSKI Hideaki SAKAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/12/01
Vol. E94-B  No. 12  pp. 3272-3279
Type of Manuscript:  Special Section PAPER (Special Section on Cooperative Communications for Cellular Networks)
Category: 
Keyword: 
cellular systemradio resource allocationschedulingwireless relaysuperposition codingcooperative diversity
 Summary | Full Text:PDF(723KB)

Superposition Coding Based Wireless Network Coding Scheme for Two-Way Cooperative Relaying
Megumi KANEKO Kazunori HAYASHI Hideaki SAKAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3354-3361
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Distributed Networks)
Category: 
Keyword: 
relay systemwireless network codingsuperposition codingcooperative diversity
 Summary | Full Text:PDF(763.6KB)

Marginalized Particle Filter for Blind Signal Detection with Analog Imperfections
Yuki YOSHIDA Kazunori HAYASHI Hideaki SAKAI Wladimir BOCQUET 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/02/01
Vol. E93-B  No. 2  pp. 336-344
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
particle filterblind signal detectionIQ imbalanceCFO
 Summary | Full Text:PDF(366.4KB)

A Novel Power Distribution Scheme Combined with Adaptive Modulation Based on Subcarrier Grouping for OFDM Systems
Wladimir BOCQUET Kazunori HAYASHI Hideaki SAKAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/12/01
Vol. E91-B  No. 12  pp. 3974-3982
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OFDMadaptive modulationLagrangian methodglobal BER optimization
 Summary | Full Text:PDF(433.1KB)

Pre- and Post-Equalization and Frequency Diversity Combining Methods for Block Transmission with Cyclic Prefix
Yuki YOSHIDA Kazunori HAYASHI Hideaki SAKAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/10/01
Vol. E90-B  No. 10  pp. 2874-2883
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
cyclic prefixfrequency domain equalizationfrequency diversity
 Summary | Full Text:PDF(346KB)

Per-Tone Equalization for Single Carrier Block Transmission with Insufficient Cyclic Prefix
Kazunori HAYASHI Hideaki SAKAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/07/01
Vol. E88-D  No. 7  pp. 1323-1330
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Circuits and Systems--Part 1)
Category: Digital Signal Processing
Keyword: 
per-tone equalizationsingle carrier block transmissioncyclic prefix
 Summary | Full Text:PDF(399KB)