Joint Connection and Packet level Analysis in W-CDMA Radio Interface

Vilius Benetis, Larissa Popova, Villy Bæk Iversen

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

This work introduces a new analytical method for performance evaluation of wireless packet-oriented networks. Unlike traditional call admission control procedures commonly used for performance evaluation of wireless networks, this paper deals with the problem of coupling connection and packet level QoS characteristics by analysis. At connection level we use the Blocked-Calls-Cleared (BCC) model, whereas at packet level we use the Blocked-Call-Interfered (BCI) model which has no immediate feedback from packet level to connection level about lost data. At connection level we use the convolution algorithm which defines the feasible state space at packet level. At packet level we take into consideration wireless interference (soft blocking). The traffic is modeled as multi-rate Binomial-Poisson-Pascal (BPP-) traffic at connection level and on-off traffic at packet level. We obtain individual performance measures for each service, both at connection level and at packet level. By case studies we investigate the trade-off between the two levels to meet Grade of Service (GoS) requirements for cellular networks with WCDMA radio interface.
Original languageEnglish
Title of host publicationWireless Systems and Mobility in Next Generation Internet
Publication date2007
Pages186-199
ISBN (Print) 978-3-540-70968-8
DOIs
Publication statusPublished - 2007
Event3rd International Workshop on Network of Excellence on Next-Generation Internet - Sitges, Spain
Duration: 6 Jun 20069 Jun 2006
Conference number: 3

Conference

Conference3rd International Workshop on Network of Excellence on Next-Generation Internet
Number3
CountrySpain
CitySitges
Period06/06/200609/06/2006
SeriesLecture Notes in Computer Science
Volume4396
ISSN0302-9743

Keywords

  • two-level analysis
  • WCDMA
  • multi-service wireless network
  • connection level
  • packet level
  • soft blocking; teletraffic
  • BlockedCalls-Cleared
  • Blocked-Calls-Held
  • Blocked Calls-Interfered models

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