A new approach for serving radio network controller relocation in UMTS all-IP network
Resource
INFOCOM 2004. Twenty-third AnnualJoint Conference of the IEEE Computer and Communications Societies
Journal
Twenty-third AnnualJoint Conference of the IEEE Computer and Communications Societies
Pages
-
Date Issued
2004-03
Date
2004-03
Author(s)
DOI
0743-166X
Abstract
To support real-time multimedia services in UMTS all-IP network, 3GPP TR 25.936 proposed two approaches to support real-time serving radio network controller (SRNC) switching, which require packet duplication during SRNC relocation. These approaches significantly consume extra system resources. This paper proposes the fast SRNC relocation (FSR) approach that does not duplicate packets. In FSR, a packet buffering mechanism is implemented to avoid packet loss at the target RNC. We propose an analytic model to investigate the performance of FSR. The numerical results show that packet loss at the source RNC can be ignored. Furthermore, the expected number of packets buffered at the target RNC is small, which does not prolong packet delay.
SDGs
Type
journal article
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