Tier-selection algorithms with multi-class traffic in CDMA hierarchical cellular systems

Li-Chun Wang*, Ching Yu Liao, Yi Liang Lin, Chung Ju Chang

*Corresponding author for this work

Research output: Contribution to journalConference article

2 Scopus citations

Abstract

In this paper, we investigate several tier selection strategies in a hierarchical cellular system where a hotspot microcell service data users demanding high capacity, and a macrocell services low capacity voice users. A new "relative pilot based (RPB)" tier selection scheme is proposed to achieve the goals of balancing traffic load between a macrocell and a microcell, and reducing the interference between a macrocell and a microcell. The simulation results show that the RPB scheme improves both the blocking performance and outage performance with both data and voice users compared to traditional service based tier selection scheme.

Original languageEnglish
Pages (from-to)1158-1162
Number of pages5
JournalIEEE Vehicular Technology Conference
Volume57
Issue number2
DOIs
StatePublished - 1 Sep 2003
Event57th IEEE Semiannual Vehicular Technology Conference (VTC2003) - Jeju, Korea, Republic of
Duration: 22 Apr 200325 Apr 2003

Keywords

  • CDMA
  • Hierarchical cellular system
  • Tier selection

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