NDLI: New load-based resource allocation algorithms for packet scheduling in CDMA uplink

Content Provider	IEEE Xplore Digital Library
Author	Wern-Ho Sheen I-Kang Fu Kao Yi Lin
Copyright Year	2004
Description	Author affiliation: Dept. of Commun. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan (Wern-Ho Sheen; I-Kang Fu; Kao Yi Lin)
Abstract	Packet scheduling plays a key role in radio resource management of a wireless access network to best utilize the available radio resource. A radio-link packet scheduling consists of two steps: prioritization and resource allocation. Prioritization is a procedure that prioritizes users' order of service so as to guarantee QoS (quality of services), user's fairness and achieve as high as possible system throughput. Resource allocation, on the other hand, executes the "real" resource allocation under the constraints of physical limitations imposed by the radio segment of the access system. This paper proposes two new load-based resource allocation methods for packet scheduling in CDMA (code division multiple access) uplink with multiple services. One is called maximum-load based power allocation (MLBPA), and the other real-load based power allocation (RLBPA). MLBPA is easier to implement, but RLBPA has the better performance. By taking into consideration of the realistic channel conditions such as imperfect power control and transmit power variation, both of our methods outperform the current methods in terms of system throughput, frame loss rate and transmission delay. In addition, by monitoring the system load at all times, the planned coverage of the system can always be guaranteed.
Starting Page	2268
Ending Page	2273
File Size	657922
Page Count	6
File Format	PDF
ISBN	0780383443
ISSN	15253511
DOI	10.1109/WCNC.2004.1311441
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-03-21
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Scheduling algorithm Resource management Multiaccess communication Throughput Quality of service Delay AWGN Propagation losses Electronic mail Wireless networks
Content Type	Text
Resource Type	Article

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