Masafumi MORIYAMA


Experimental Evaluation of a Novel Up-Link NOMA System for IoT Communication Equipping Repetition Transmission and Receive Diversity
Masafumi MORIYAMA Kenichi TAKIZAWA Masayuki OODO Hayato TEZUKA Fumihide KOJIMA 
Publication:   
Publication Date: 2019/08/01
Vol. E102-B  No. 8  pp. 1467-1476
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G and Beyond)
Category: 
Keyword: 
IoTNOMASICSDRT
 Summary | Full Text:PDF(4MB)

Novel Synchronization and BER Improvement Method for Public Safety Mobile Communication Systems Employing Heterogeneous Cognitive Radio
Masafumi MORIYAMA Takeo FUJII 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/04/01
Vol. E98-B  No. 4  pp. 736-745
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
public safetycognitive radiosynchronizationπ/4 shift QPSK
 Summary | Full Text:PDF(2.9MB)

A Novel Method of Estimating the Signal-to-Interference Ratio for One-Cell-Frequency-Reuse OF/TDMA Systems
Masafumi MORIYAMA Hiroshi HARADA Seiichi SAMPEI Ryuhei FUNADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1  pp. 247-257
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OF/TDMAone-cell-frequency-reuseSIRAMCMIMOcarrier interferometry
 Summary | Full Text:PDF(1.8MB)