Call setup latency analysis in SIP-based voice over WLANs

Sangheon Pack, Hojin Lee

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


In this letter, we consider session initiation protocol (SIP)-based voice over wireless local area networks (VoWLANs). We derive the analytical expression for the average call setup latency, and we observe the impact of the number of contending mobile nodes in a WLAN. Extensive simulation results are given to validate the analytical results.

Original languageEnglish
Pages (from-to)103-105
Number of pages3
JournalIEEE Communications Letters
Issue number2
Publication statusPublished - 2008 Feb

Bibliographical note

Funding Information:
Manuscript received July 23, 2007. The associate editor coordinating the review of this letter and approving it for publication was F. Granelli. This work was supported in part by the IT R&D program of MIC/IITA [2007-F-038-01, Fundamental Technologies for the Future Internet], and in part by the second stage of the BK 21 project.


  • Call setup latency
  • SIP
  • Voice over WLANs

ASJC Scopus subject areas

  • Modelling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering


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