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Enabling network redundancy in the radio access network
In the current UTRAN (UMTS terrestrial radio access network) architecture, redundancy is one of the major issues, usually provided by means of robust network elements with high reliability and protection switching in the transport network. ...
Service control architecture in the UMTS IP multimedia core network subsystem
The 3rd Generation Partnership Project (3GPP) UMTS networks promise to deliver an abundance of advanced, innovative, and feature-rich applications to end-users in a 3rd generation (3G) wireless environment. A core network IP multimedia subs...
Network planning considerations for network sharing in UMTS
The objective of the paper is to illustrate the potential impacts on operating costs associated with a variety of different 'UMTS network sharing' scenarios such as sharing site locations, RNS (radio network subsystem) equipment, transmissi...
3G shared infrastructure
The paper gives an overview of the network sharing options open to 3G network operators. The drivers for network sharing are mainly economic and the need to roll out infrastructure quickly. Network sharing may always be the preferred implem...
3GPP functional and performance testing of user equipment
In 2001, two 3G networks were launched, first by NTT DoCoMo in Japan and more recently in the UK on the Isle of Man. The press had previously reported delays in several operator's network deployment schedules. The availability of appropriat...
Europe's first 3G network: a case study in design and implementation
This paper outlines the work undertaken in the design and implementation of a 3rd generation mobile telephone network in the Isle of Man. From the very beginning the Manx Telecom 3G project adopted an applications-centric design philosophy....
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Third International Conference on 3G Mobile Communication Technologies (IEE Conf. Publ. 489)
Impact of header error on EGPRS link level performance in IR mode
In EGPRS the gain achieved through code combining of erroneous data packets; the so-called incremental redundancy (IR), compared with no IR is highly dependent on successful decoding of the RLC/MAC header. This paper provides-under a simula...
MPEG-4 video transcoder for mobile multimedia traffic planning
Traffic planning for multimedia has become more and more significant as new network infrastructures with different characteristics have been introduced lately. The increasing popularity of mobile communications has also drawn much of the at...