NDLI: Data outage across 3G & 2G wireless networks

Content Provider	IEEE Xplore Digital Library
Author	Bhebhe, L. Arjona, A.
Copyright Year	2008
Description	Author affiliation: Nokia Siemens Networks, Espoo (Bhebhe, L.)
Abstract	Service continuity between EGPRS (2G) and WCDMA (3G) systems has been identified as one key research item recently. Measurement from live cellular networks indicate that outage time for packet switched traffic during intersystem handovers are too long going up to one minute in some cases. In this article we analyze intersystem handover latency across 3G and 2G wireless networks. The inter-system handover focused on the service interruption during mobility using both of the main data protocols, TCP and UDP. The results showed that the data outage is high for TCP and UDP, up to 7s and 10s respectively and can considerably affect real-time user applications. Some proposals have been highlighted to improve handover performance including candidate features such as the packet switched handover feature in 3GPP Rel 7. The performance degradation mostly depends on the application type, transmission protocol, intersystem handover type, and bandwidth of the wireless access link.
Starting Page	1
Ending Page	8
File Size	417862
Page Count	8
File Format	PDF
ISBN	9781424420995
DOI	10.1109/WOWMOM.2008.4594829
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	data outage intersystem handover Protocols cell reselection QoE Spread spectrum communication Streaming media Mobile communication Silicon Multiaccess communication Delay
Content Type	Text
Resource Type	Article

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