NDLI: Capacity of multiservice WCDMA networks with variable GoS

Content Provider	IEEE Xplore Digital Library
Author	Hegde, N. Altman, E.
Copyright Year	2003
Description	Author affiliation: INRIA, Sophia-Antipolis, France (Hegde, N.; Altman, E.)
Abstract	Traditional definitions of capacity of CDMA networks are either related to the number of calls they can handle or to the arrival rate that guarantees that the rejection rate is below a given fraction (Erlang capacity). We extend the latter definition to other quality of service (QoS). We consider best-effort (BE) traffic sharing the network resources with real-time (RT) applications. BE applications can adapt their instantaneous transmission rate to the available one and thus need not be subject to admission control or outages. Their meaningful QoS is the average delay. The delay aware capacity is defined as the arrival rate of BE calls that the system can handle such that their expected delay is bounded by a given constant. We compute both the blocking probability of the RT traffic having an adaptive grade of service (GoS) as well as the expected delay of the BE traffic for an uplink multicell WCDMA system. This yields the Erlang capacity for former and the delay capacity for the latter.
Starting Page	1402
Ending Page	1407
File Size	302945
Page Count	6
File Format	PDF
ISBN	0780377001
ISSN	15253511
DOI	10.1109/WCNC.2003.1200590
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-03-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiaccess communication Quality of service Telecommunication traffic Communication system traffic control 3G mobile communication Real time systems Delay effects Admission control Multimedia systems IP networks
Content Type	Text
Resource Type	Article

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