2006 |
7 | EE | Narumi Umeda,
Lan Chen,
Hidetoshi Kayama:
Wireless QoS for High-Speed CDMA Packet Cellular Systems - With Radio-Condition-Aware Admission Control and Resource Allocation Reflected Multistage Scheduling - .
IEICE Transactions 89-B(3): 886-894 (2006) |
2005 |
6 | EE | Heng Qiu,
Hidetoshi Kayama,
Narumi Umeda:
Intra-Cell Allocation Information and Inter-Cell Interference Distribution Based TPC for High-Speed CDMA Packet Radio.
IEICE Transactions 88-B(11): 4301-4308 (2005) |
5 | EE | Atsushi Fujiwara,
Shinji Takeda,
Hitoshi Yoshino,
Narumi Umeda:
Evaluation of Cell Coverage and System Throughput in Multihop DS-CDMA Cellular Network.
IEICE Transactions 88-B(9): 3541-3545 (2005) |
2002 |
4 | EE | Pei-Jeng Kuo,
Koji Omae,
Ichiro Okajima,
Narumi Umeda:
VoIP Quality Evaluation in Mobile Wireless Networks.
IEEE Pacific Rim Conference on Multimedia 2002: 688-695 |
3 | EE | Daisuke Kitazawa,
Lan Chen,
Hidetoshi Kayama,
Narumi Umeda:
Downlink packet-scheduling considering transmission power and QoS in CDMA packet cellular systems.
MWCN 2002: 183-187 |
1997 |
2 | | Yoshihiro Ishikawa,
Narumi Umeda:
Capacity Design and Performance of Call Admission Control in Cellular CDMA Systems.
IEEE Journal on Selected Areas in Communications 15(8): 1627-1635 (1997) |
1993 |
1 | | Narumi Umeda,
Mitsuru Murata:
Performance improvements in digital portable communications.
ISCAS 1993: 2220-2223 |