Narumi UMEDA

Wireless QoS for High-Speed CDMA Packet Cellular Systems--With Radio-Condition-Aware Admission Control and Resource Allocation Reflected Multistage Scheduling--
Narumi UMEDA Lan CHEN Hidetoshi KAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Vol. E89-B  No. 3  pp. 886-894
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
wireless QoS, adaptive modulation coding, radio resource management, CDMA packet, admission control, scheduling, 
 Summary | Full Text:PDF
Intra-Cell Allocation Information and Inter-Cell Interference Distribution Based TPC for High-Speed CDMA Packet Radio
Heng QIU Hidetoshi KAYAMA Narumi UMEDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/11/01
Vol. E88-B  No. 11  pp. 4301-4308
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
reservation access protocol, TPC, B3G, high speed packet radio, CDMA, 
 Summary | Full Text:PDF
Evaluation of Cell Coverage and System Throughput in Multihop DS-CDMA Cellular Network
Atsushi FUJIWARA Shinji TAKEDA Hitoshi YOSHINO Narumi UMEDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/09/01
Vol. E88-B  No. 9  pp. 3541-3545
Type of Manuscript:  Special Section PAPER (Special Section on Advances in Ad Hoc Mobile Communications and Networking)
Category: 
Keyword: 
cellular system, DS-CDMA, multihop, interference margin, system capacity, area coverage, 
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Wireless QoS-Aware Resource Management for CDMA Packet Multimedia Cellular Radio
Lan CHEN Hidetoshi KAYAMA Narumi UMEDA Yasushi YAMAO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/07/01
Vol. E86-A  No. 7  pp. 1576-1584
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
quality of service, wireless QoS, radio resource management, CDMA packet, max/min requirements, 
 Summary | Full Text:PDF
A QoS-Aware Form of Adaptive Battery Conservation Management Based on Packet Classification for Broadband Multimedia Packet-Radio Systems
Masayuki MOTEGI Hidetoshi KAYAMA Narumi UMEDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/06/01
Vol. E86-B  No. 6  pp. 1917-1926
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
adaptive battery conservation management, buffering delay, battery saving mode, sleep-timer, paging interval, 
 Summary | Full Text:PDF
Wireless QoS Resource Cooperation Management for CDMA Packet Mobile Communication Systems
Lan CHEN Hidetoshi KAYAMA Narumi UMEDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/06/01
Vol. E86-B  No. 6  pp. 1927-1935
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
QoS, radio resource management, CDMA, packet mobile, resource cooperation management, 
 Summary | Full Text:PDF