Fumihide KOJIMA


A Study on Quick Device Discovery for Fully Distributed D2D Networks
Huan-Bang LI Ryu MIURA Fumihide KOJIMA 
Publication:   
Publication Date: 2018/03/01
Vol. E101-B  No. 3  pp. 628-636
Type of Manuscript:  Special Section PAPER (Special Section on Network Resource Control and Management for IoT Services and Applications)
Category: 
Keyword: 
device-to-device (D2D)one-way discoverytwo-way discoverycommon channelgroup channeldiscovery ratio
 Summary | Full Text:PDF(1.8MB)

Wideband Rectangular Antenna Fed Sideways from a Ground Plate
Kyoichi IIGUSA Hirokazu SAWADA Fumihide KOJIMA Hiroshi HARADA 
Publication:   
Publication Date: 2018/01/01
Vol. E101-B  No. 1  pp. 176-184
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
wideband antennaimpedance matchingoffset feedpolarization
 Summary | Full Text:PDF(4.4MB)

Proposals and Implementation of High Band IR-UWB for Increasing Propagation Distance for Indoor Positioning
Huan-Bang LI Ryu MIURA Hisashi NISHIKAWA Toshinori KAGAWA Fumihide KOJIMA 
Publication:   
Publication Date: 2018/01/01
Vol. E101-A  No. 1  pp. 185-194
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
IR-UWBUWB high bandpropagation distancebundling structurereceiver sensitivitypositioning precision
 Summary | Full Text:PDF(4.1MB)

MAC Development and Enhancement of IEEE 802.15.3c WPAN Realizing Gbps Throughput
Chang-Woo PYO Zhou LAN Fumihide KOJIMA Ryuhei FUNADA Hiroshi HARADA Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/11/01
Vol. E94-B  No. 11  pp. 3065-3076
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
GbpsIEEE 802.15.3cMAC throughputWPAN
 Summary | Full Text:PDF(2.4MB)

Content Delivery Platform on ITS Road-Vehicle Communication System Based on Radio over Fiber
Kiyohito YOSHIHARA Hiroki HORIUCHI Fumihide KOJIMA Katsuyoshi SATO Masayuki FUJISE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/02/01
Vol. E87-D  No. 2  pp. 426-435
Type of Manuscript:  PAPER
Category: Network
Keyword: 
intelligent transport systemradio over fibercontent delivery
 Summary | Full Text:PDF(1.8MB)

Inter-Vehicle Communication Network with an Autonomous Relay Access Scheme
Fumihide KOJIMA Hiroshi HARADA Masayuki FUJISE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/03/01
Vol. E84-B  No. 3  pp. 566-575
Type of Manuscript:  Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21st Century)
Category: 
Keyword: 
ITSinter-vehicle communicationmobile networkrelay access
 Summary | Full Text:PDF(832.8KB)

Implementation and Performance Evaluation of 384 kbit/s-PHS Experimental System
Yukiyoshi KAMIO Fumihide KOJIMA Masayuki FUJISE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/08/25
Vol. E83-B  No. 8  pp. 1844-1853
Type of Manuscript:  Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
Category: 
Keyword: 
PHSPIAFSTCPPPP Multilink
 Summary | Full Text:PDF(769.7KB)

An Intelligent Radio Resource Management Scheme for Multi-Layered Cellular Systems with Different Assigned Bandwidths
Fumihide KOJIMA Seiichi SAMPEI Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/12/25
Vol. E81-B  No. 12  pp. 2444-2453
Type of Manuscript:  Special Section PAPER (Special Issue on the Latest Development of Telecommunication Research)
Category: QoS Control and Traffic Control
Keyword: 
land mobile communicationmulti-layered cell structure nonuniform traffic conditionsdynamic channel assignment
 Summary | Full Text:PDF(879.4KB)