Toshiaki YAMAMOTO


LTE/WiGig RAN-Level Interworking Architecture for 5G Millimeter-Wave Heterogeneous Networks
Hailan PENG Toshiaki YAMAMOTO Yasuhiro SUEGARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/10/01
Vol. E98-B  No. 10  pp. 1957-1968
Type of Manuscript:  Special Section PAPER (Special Section on 5G Radio Access Networks―Part II: Multi-RAT Heterogeneous Networks and Smart Radio Technologies)
Category: 
Keyword: 
5Gmillimeter-waveLTE60GHzWiGigextended user/control planeC/U-plane splittingbeamforming
 Summary | Full Text:PDF(3.2MB)

Millimeter-Wave Wireless LAN and Its Extension toward 5G Heterogeneous Networks
Kei SAKAGUCHI Ehab Mahmoud MOHAMED Hideyuki KUSANO Makoto MIZUKAMI Shinichi MIYAMOTO Roya E. REZAGAH Koji TAKINAMI Kazuaki TAKAHASHI Naganori SHIRAKATA Hailan PENG Toshiaki YAMAMOTO Shinobu NANBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/10/01
Vol. E98-B  No. 10  pp. 1932-1948
Type of Manuscript:  INVITED PAPER (Special Section on 5G Radio Access Networks―Part II: Multi-RAT Heterogeneous Networks and Smart Radio Technologies)
Category: 
Keyword: 
millimeter waveIEEE802.11adcoordinated mmw WLAN5G cellular networksheterogeneous networks
 Summary | Full Text:PDF(5.7MB)

Effect of Cell Range Expansion to Handover Performance for Heterogeneous Networks in LTE-Advanced Systems
Koichiro KITAGAWA Toshiaki YAMAMOTO Satoshi KONISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/06/01
Vol. E96-B  No. 6  pp. 1367-1376
Type of Manuscript:  Special Section PAPER (Special Section on Heterogeneous Networks for Future Cellular Systems)
Category: 
Keyword: 
handovercell range expansioninter-cell interference coordinationheterogeneous network
 Summary | Full Text:PDF(2.3MB)

Adaptive Traffic Route Control in QoS Provisioning for Cognitive Radio Technology with Heterogeneous Wireless Systems
Toshiaki YAMAMOTO Tetsuro UEDA Sadao OBANA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Vol. E92-B  No. 12  pp. 3683-3692
Type of Manuscript:  Special Section PAPER (Special Section on Dynamic Spectrum Access)
Category: Protocols
Keyword: 
cognitive radioQoSWiMAXWiFi
 Summary | Full Text:PDF(1.6MB)

Adaptive Multimedia Flow Splitting over WiMAX and WiFi Links
Jong-Ok KIM Toshiaki YAMAMOTO Akira YAMAGUCHI Sadao OBANA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/10/01
Vol. E91-B  No. 10  pp. 3085-3094
Type of Manuscript:  Special Section PAPER (Special Section on Next-Generation Mobile Multimedia Communications)
Category: 
Keyword: 
cognitive access networkairtime costmultimedia transmissionWiMAXWiFi
 Summary | Full Text:PDF(1.3MB)