An evaluation of IEEE 802.11 MAC layer handoff process in CAPWAP centralized WLAN

Mohammed Balfaqih, Rosdiadee Nordin, Zain Balfaqih, Shariq Haseeb, Aisha Hashim

Research output: Contribution to journalArticle

Abstract

The growing demand to provide secure wireless connectivity, especially in hot spot areas such as conference halls and events, motivated the development of Control and Provisioning of Wireless Access Point (CAPWAP) centralized Wireless Local Area Network (WLAN). The centralized WLAN utilizes an Access Controller (AC) to simplify configuration, management, and control of Wireless Termination Points (WTPs) in large scale deployment of a wireless network. In order for the clients to associate and reassociate to WTPs, scanning and authentication phases are performed. The contributed latency during scanning and authentication phases, in the MAC layer handoff process, makes it difficult to support realtime applications that are sensitive to network latencies. This work simulates the effect of using different scanning and authentication methods in CAPWAP centralized WLAN during MAC layer handoff process. This can be considered as a significant contribution since no prior work has been done, to our knowledge, to simulate the handoff latency components in centralized networks. This work also studies the effect of varied propagation environments including isolation, and indoor and outdoor environments on handoff process. Moreover, the effects of employed WTP type and the client movement speed on the handoff process latency have been analyzed.

Original languageEnglish
Pages (from-to)468-479
Number of pages12
JournalJournal of Theoretical and Applied Information Technology
Volume71
Issue number3
Publication statusPublished - 31 Jan 2015

Fingerprint

Wireless Local Area Network (WLAN)
Handoff
IEEE 802.11
Wireless local area networks (WLAN)
Latency
Evaluation
Termination
Authentication
Scanning
Hot Spot
Isolation
Wireless Networks
Wireless networks
Simplify
Connectivity
Propagation
Real-time
Controller
Controllers
Configuration

Keywords

  • Authentication
  • CAPWAP
  • Centralized network
  • Handoff
  • Scanning

ASJC Scopus subject areas

  • Computer Science(all)
  • Theoretical Computer Science

Cite this

An evaluation of IEEE 802.11 MAC layer handoff process in CAPWAP centralized WLAN. / Balfaqih, Mohammed; Nordin, Rosdiadee; Balfaqih, Zain; Haseeb, Shariq; Hashim, Aisha.

In: Journal of Theoretical and Applied Information Technology, Vol. 71, No. 3, 31.01.2015, p. 468-479.

Research output: Contribution to journalArticle

Balfaqih, Mohammed ; Nordin, Rosdiadee ; Balfaqih, Zain ; Haseeb, Shariq ; Hashim, Aisha. / An evaluation of IEEE 802.11 MAC layer handoff process in CAPWAP centralized WLAN. In: Journal of Theoretical and Applied Information Technology. 2015 ; Vol. 71, No. 3. pp. 468-479.
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