DocumentCode :
2763131
Title :
Cross layer design to improve the handover latency in multi-homed WLANs
Author :
Jerjees, Z. ; Al-Raweshidy, H.S. ; Raoof, O.
Author_Institution :
Wireless Networks & Commun. Group, Brunel Univ., Uxbridge, UK
fYear :
2009
fDate :
17-19 March 2009
Firstpage :
1
Lastpage :
6
Abstract :
Multi-homed Mobile nodes (MNs) are very likely to traverse several different WLANs at anytime and at any location during communication. Thus, a single voice over Internet protocol (VoIP) application can experience several handovers between WLANs, which the quality of the communication may be degraded due to packet loss. The handover scheme proposed in this paper employs the delay over WLAN as an indicator of link degradation. Handover controller is implemented using a cross-layer architecture, obtains delay information on the media access control (MAC) layer and proceeds to the network layer parameters to deploy an alternative IP network. The application controlled handover reduces packet loss up to 50% during a video data throughout the handover process compared to the network without application controlled handover technique.
Keywords :
IP networks; Internet telephony; access protocols; mobility management (mobile radio); wireless LAN; IP network; MAC layer; MN; VoIP application; cross layer design; handover latency controller; link degradation indicator; media access control layer; multihomed WLAN; network layer parameter; packet loss; single voice over Internet protocol application; video data; Degradation; Delay; IP networks; Manganese; Mobile communication; Wireless LAN; Wireless communication; cross-layer; handover; multi-homing; wireless LAN;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
GCC Conference & Exhibition, 2009 5th IEEE
Conference_Location :
Kuwait City
Print_ISBN :
978-1-4244-3885-3
Type :
conf
DOI :
10.1109/IEEEGCC.2009.5734250
Filename :
5734250
Link To Document :
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