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Sensitivity of service coverage evaluation for WCDMA systems

Whitaker, Roger Marcus, Hurley, Stephen and Allen, Stuart Michael 2007. Sensitivity of service coverage evaluation for WCDMA systems. Presented at: 6th Annual Wireless Telecommunications Symposium (WTS 2007), Pomona, CA, April 26-28, 2007. WTS 2007 Wireless Telecommunications Symposium, 2007. Piscataway: IEEE, pp. 1-10. 10.1109/WTS.2007.4563325

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Abstract

A fundamental problem in third generation WCDMA network design is that of evaluating user service coverage and resource utilisation, or load, that a trial/candidate network design can sustain. A network design constitutes base station location and infrastructure configuration. It is convention to evaluate network designs using a range of traffic snapshots, each representing a different static geographical distribution of users with particular requests for heterogeneous services. However service coverage evaluation in WCDMA systems is non-trivial because per-link power allocations are required in response to interference from the power allocated to other users. We investigate the sensitivity of two fundamental variables associated with snapshot evaluation-priorities for admission and the mix of requested services. This is carried out in detail for the downlink scenario using a highly efficient offline evaluation technique that avoids recourse to lengthy simulation of online system power control. The results expose the significant influence that the variables have on the resultant evaluation of a candidate network design using a single traffic snapshot. This is important knowledge for network planning.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Computer Science & Informatics
Systems Immunity Research Institute (SIURI)
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Uncontrolled Keywords: WCDMA systems, base station location, heterogeneous services, infrastructure configuration, network planning, offline evaluation technique, online system power control, per-link power allocations, resource utilisation, service coverage evaluation, snapshot evaluation, static geographical distribution, third generation WCDMA network design, traffic snapshots, user service coverage, wideband code division multiple access
Publisher: IEEE
ISBN: 9781424406968
Last Modified: 14 Nov 2017 00:08
URI: http://orca.cf.ac.uk/id/eprint/43418

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