NDLI: Dimensioning Telstra's WCDMA (3G) network

Content Provider	IEEE Xplore Digital Library
Author	Northcote, B.S. Tompson, N.A.
Copyright Year	2010
Description	Author affiliation: Radio Network Development at Telstra (Tompson, N.A.) \|\| TRC Mathematical Modeling at The University of Adelaide, SA 5005, Australia (Northcote, B.S.)
Abstract	Loss models can be used to determine engineered capacity of circuit-switched telecommunications systems. They readily model the multi-service, multi-resource nature of call admission control (CAC) schemes for such systems, including service prioritization via the use of resource reservation. Third generation wireless networks (3G) are incredibly complex with regard to system resources and supported services. In particular, the 3G radio environment is subject to interference and fading. Recognizing that communications systems are engineered to a nominal “time consistent busy hour”, we seek a method for capturing the behavior of the 3G radio environment over such a time period, and incorporating it into a modified loss model for determining capacity. We present a novel methodology to derive environmental parameters that can be used to characterize the radio environment as it affects individual cells in the network. Consequently we have developed a 3G radio access network (RAN) and transport network (TN) dimensioning tool for Telstra that, on a per cell and hourly basis, estimates spare capacity based on target grades of service (GoS). These incorporate loss probabilities for all services, and throughput requirements for high speed downlink packet access (HSDPA) services. This integrated network management tool calculates each resource's utilization at various envelope boundary points to determine the active resource constraints, thereby allowing Telstra engineers to most effectively apply capacity expansions to the RAN & TN.
Starting Page	81
Ending Page	85
File Size	261678
Page Count	5
File Format	PDF
ISBN	9781424476343
e-ISBN	9781424476350
e-ISBN	9781424476336
DOI	10.1109/CAMAD.2010.5686960
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Analytical models capacity planning 3G WCDMA Spread spectrum communication Bandwidth HSDPA Downlink Throughput Multiaccess communication Payloads
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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