Evaluation of Handover Performance for TCP Traffic Based on Generic Link Layer Context Transfer

Author

Sachs, Joachim ; Khurana, Birinder Singh ; Mähönen, Petri

Author_Institution

Corp. Res., Ericsson GmbH, Aachen

fYear

2006

fDate

11-14 Sept. 2006

Firstpage

1

Lastpage

5

Abstract

In this paper we present three context transfer mechanisms to support seamless (inter-system) handover: L2 tunnel, SDU reconstruction and SDU context transfer. The hand-over schemes are evaluated for services based on TCP SACK. The influence of different system parameters like the link layer round trip time and block error rate are investigated. It is shown that there can be large differences in handover performance caused by packet loss or packet duplication, which interact with TCP congestion control. L2 tunnel always performs best but has the highest complexity. It is followed by SDU reconstruction and then SDU context transfer respectively. All schemes are always better in performance than when no context transfer is used

Keywords

error statistics; mobile radio; radio links; telecommunication congestion control; telecommunication traffic; transport protocols; L2 tunnel; SDU context transfer; SDU reconstruction; TCP SACK; TCP congestion control; TCP traffic; block error rate; generic link layer context transfer; handover performance; link layer round trip time; packet duplication; Context; Error analysis; Frequency; Land mobile radio; Mobile communication; Performance loss; Rats; Telecommunication traffic; Transport protocols; Wireless networks;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 2006 IEEE 17th International Symposium on

Conference_Location

Helsinki

Print_ISBN

1-4244-0329-4

Electronic_ISBN

1-4244-0330-8

Type

conf

DOI

10.1109/PIMRC.2006.254236

Filename

4022430