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UMTS Security
White Papers The Universal Mobile Telecommunications System (UMTS) is one of the new 'third generation' mobile cellular communication systems. UMTS builds on the success of the 'second generation' GSM system. New services introduced in UMTS require new security...
[July 19, 2005, 6:00]
UMTS Network Performance Modeling Service
White Papers This paper presents an executive summary of a UMTS Network Performance Modeling Service delivery. It presents the services which can be offered to UMTS Network operators, including non-Motorola customers.
[July 19, 2005, 0:00]
UMTS Femtocell as Wireless Residential Gateway
White Papers The discussion about UMTS based Femtocell (also called 3G Access Point') that is doing rounds for quite sometime to counter the challenge posed by unlicensed access technologies like WiFi and WiMAX. Mobile operators today are trying hard to...
[January 8, 2008, 0:01]
UMTS+GPRS4MacOS
Downloads Connect your Mac to UMTS and GPRS Mobile Networks: Works with MacOSX and also with MacOS 9,8 and 7 Use the possibilities of your mobile phone or PCcard Supports the PINcode of the SIMcard (relevant in PCCards)Robust design and easy to use...
[May 22, 2005, 8:00]
UMTS Case Study
White Papers One of these new access networks is the UMTS (Universal Mobile Tele-communication System) access network. During the last few years we have seen a remarkable growth in mobile communication. As this trend continues the consumers will demand the same...
[July 12, 2005, 0:00]
UMTS and WLAN Interoperability
White Papers This paper studies different approaches to how interworking between the two network technologies Universal Mobile Telecommunications System (UMTS) and Wireless Local Area Network (WLAN) best can be achieved.
[July 26, 2005, 6:00]
UMTS Overview
White Papers The Universal Mobile Telecommunications System (UMTS) as specified by the Third Generation Partnership Project (3GPP) was formally adopted by the ITU as a member of its family of IMT-2000 Third Generation Mobile Communication standards in November...
[March 23, 2005, 2:00]
On the Impact of GSM Encryption and Man-in-the-Middle Attacks on the Security of Interoperating GSM/UMTS Networks
White Papers This paper discusses the impact of GSM encryption attacks, that recover the encryption key, and the man-in-the-middle attack on the security of networks, which employ UMTS and GSM base stations simultaneously.
[November 15, 2005, 23:00]
Combined GSM/UMTS Mobile Backhaul Network
White Papers GSM mobile operators have already executed plans or have strong commitments to upgrade their GSM network with EDGE (Enhanced Data Rates for GSM Evolution) and/or to evolve to UMTS. GSM/GPRS backhaul transmission is based on a TDM circuit-switched...
[July 26, 2005, 6:00]
Cisco RAN Optimization Solution for GSM and UMTS Backhaul Optimization: Applications
White Papers Whether a mobile wireless operator needs to cost efficiently expand its Global System for Mobile Communications (GSM) network capacity to keep pace with traffic growth, reduce operating expenses (OpEx) in a Universal Mobile Telecommunications...
[March 16, 2009, 4:36]
Testing a Radio Network Controller in UMTS Infrastructure
White Papers The company wanted to test a Radio Network Controller (RNC) in a UMTS infrastructure using Catapult DCT-2000 and quick ramp-up of the geographically diversified Aricent team on the customer's test bed/configuration and Catapult DCT-2000.
[August 14, 2009, 4:39]
Satellite Backhaul Optimization for GSM and UMTS With Cisco RAN Optimization Solution
White Papers Satellite backhaul links can be expensive, for both Global System for Mobile Communications (GSM) networks and Universal Mobile Telecommunications Service (UMTS) networks in remote regions. The Cisco RAN Optimization solution allows wireless mobile...
[September 11, 2009, 3:12]
Performance Evaluation of TCP Congestion Control Algorithms Over UMTS
White Papers During recent years, however, the popularity of wireless network infrastructures enabling ubiquitous Internet access, such as Universal Mobile Telecommunication System (UMTS), has grown considerably. This work investigates the performance of TCP...
[December 21, 2007, 0:01]
Sierra Wireless AirCard 880 GPRS/EDGE/UMTS/HSPA PC Card
Blog I've been told that there are areas where UMTS/HSDPA are available, and that should also be increasing.jw 22/1/2008 GPRS/EDGE/UMTS/HSDPA/HSUPA (OEM Sierra Wireless 880) I use the card when traveling on the train quite a lot, and it's nice to watch...
[January 22, 2008, 12:37]
Nonlinear Complex Behaviour of TCP in UMTS Networks and Performance Analysis
White Papers This paper presents a study of nonlinear complex behaviour in UMTS networks. Using the fundamentals of chaos theory the paper explores the chaotic nature of the TCP protocol when used in 3G UMTS mobile networks.
[December 6, 2007, 0:01]
Measurement and Analysis of Video Streaming Performance in Live UMTS Networks
White Papers This paper discusses an approach to assess Video Streaming (VS) performance over live UMTS networks. In this paper, measurement and analysis results of VS performance in a deployed Rel'99 UMTS network are presented.
[June 12, 2009, 3:04]
Nortel GSM-UMTS BTS 18000: Catalyst for Network Evolution
White Papers The indoor and outdoor versions of Nortel GSM-UMTS BTS 18000 are designed to offer both GSM/GPRS/EDGE and UMTS technologies in a single cabinet with unprecedented capacity and deployment flexibility, allowing operators to start with GSM or UMTS...
[July 21, 2005, 0:00]
The Impact of Radio Propagation Prediction on Urban UMTS Planning
White Papers This case study outlines the importance of an accurate radio propagation planning for UMTS networks. Due to the specific UMTS technology 3G users may experience much lower service levels then expected or even failures if the network is planned...
[July 12, 2005, 0:00]
A Man-in-the-Middle Attack on UMTS
White Papers This paper presents a man-in-the-middle attack on the Universal Mobile Telecommunication Standard (UMTS), one of the newly emerging 3G mobile technologies. The attack allows an intruder to impersonate a valid GSM base station to a UMTS subscriber...
[July 19, 2005, 6:00]
Performance Enhancements of UMTS Networks Using End-to-End QoS Provisioning
White Papers This paper investigates end-to-end Quality of Service (QoS) provisioning approaches for UMTS networks in a DiffServ IP network environment. The effort was put on QoS class mapping from DiffServ to UMTS, Access Control, buffering and scheduling...
[July 18, 2008, 1:01]
