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Tracing systems for user&Control-Plan traffic of Packet Core of GPRS-UMTS networks
2010 Edition, July 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The resources of actual tracing tools for Control-Plane and User-Plan traffic are limited and most of them are crashing under the task of tracing 100% User-Plan traffic. This paper proposes a new...

One-pass GPRS and IMS authentication procedure for UMTS
2005 Edition, Volume 23, June 1, 2005 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Universal Mobile Telecommunications System (UMTS) supports Internet protocol (IP) multimedia services through IP multimedia core network subsystem (IMS). Since the IMS information is delivered through the general packet radio service (GPRS) transport...

Improving packet delivery in GPRS/UMTS networks
2002 Edition, Volume 5, January 1, 2002 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Mobile telecommunication systems such as General Packet Radio Service (GPRS) and Universal Mobile Telecommunications System (UMTS) provide packet-switched service for mobile terminals. 3GPP Release 4 and Release 5 further offer packet voice...

Performance estimation of UMTS release 5 IM-subsystem elements
2002 Edition, January 1, 2002 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Universal Mobile Telecommunications System (UMTS) is the third generation (3G) mobile communications systems specified by the European Telecommunications Standards Institute (ETSI) and the world-wide 3G Partnership Project (3GPP) within the framework defined by the...

VGSN: a gateway approach to interconnect UMTS/WLAN networks
2002 Edition, Volume 1, January 1, 2002 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

High tier wireless systems such as GPRS and UMTS provide users high mobility but low bandwidth. On the other hand, low tier wireless systems such as wireless LAN offer higher bandwidth with less mobility. To support seamless roaming between. heterogeneous wireless...

GPRS traffic performance measurements
2002 Edition, Volume 2, January 1, 2002 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

With the commercial deployment of the General Packet Radio Service (GPRS) in Europe in 2001, traffic performance measurements in the field have become possible. Selected traffic performance measurement results are presented and compared to the traffic...

Characterizing traffic generated with laptop computers and mobile handsets in GPRS/UMTS core networks
2010 Edition, October 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents a recent profile of IP data traffic in GPRS/UMTS core networks. The analysis in this paper is based on Layer 3 and 4 headers of packets which we measured in two commercial GPRS/UMTS networks at the end...

Evaluation of Handover Implementations in Commercial GPRS/UMTS/HSDPA Networks
2010 Edition, December 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this paper we present a study of the performance of handovers for live GPRS, UMTS and HSDPA networks from the point of view of data traffic. Specifically, our analysis focuses on an evaluation of the impact of handover...

Evolution of 3GPP Core Network
2008 Edition, June 1, 2008 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A core network of UMTS has a very long development. The first version of core network corresponds to an improved GSM/GPRS core network. The interfaces are changed and later all conception. The main changes are in using Internet...

Quality of service in UMTS wireless networks
2002 Edition, Volume 7, January 1, 2002 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents the realization of quality of service (QoS) in the Universal Mobile Telecommunications System (UMTS) network. The paper introduces an overview of the UMTS network structure that is an evolution of the Global...

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