P. Takis MATHIOPOULOS


A Novel Low Complexity Scheme for Multiuser Massive MIMO Systems
Aye Mon HTUN Maung SANN MAW Iwao SASASE P. Takis MATHIOPOULOS 
Publication:   
Publication Date: 2022/01/01
Vol. E105-B  No. 1  pp. 85-96
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MU-massive MIMOuser selectiontransmit antenna selectioncomputation complexitySINRSVDblock diagonalization
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An Energy-Efficient Defense against Message Flooding Attacks in Delay Tolerant Networks
Hiromu ASAHINA Keisuke ARAI Shuichiro HARUTA P. Takis MATHIOPOULOS Iwao SASASE 
Publication:   
Publication Date: 2021/04/01
Vol. E104-B  No. 4  pp. 348-359
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
delay tolerant networksecuritymessage flooding attackenergy efficiency
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RPL-Based Tree Construction Scheme for Target-Specific Code Dissemination in Wireless Sensors Networks
Hiromu ASAHINA Kentaroh TOYODA P. Takis MATHIOPOULOS Iwao SASASE Hisao YAMAMOTO 
Publication:   
Publication Date: 2020/03/01
Vol. E103-B  No. 3  pp. 190-199
Type of Manuscript:  PAPER
Category: Network
Keyword: 
code disseminationwireless sensor networksroutingRPLconnected dominating set
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