Umts core network training course covers the details of various functions of the core network including mobility management, authentication, security, roaming, call and session setup and evolution of the umts network towards an allip based network. Ciscos ggsn acts as the gateway between the packet core and the external packet or ipbased network, such as the internet. This paper proposes specific traffic conditioning, scheduling and buffer management algorithms for the umts core network, based on the concepts of the diffserv framework. Cn core network is responsible for transport functions such as switching and routing calls and data, tracking users usim me. Evolving core networks from gsm to umts r4 version. Cn core network is responsible for transport functions such as. Individual copies of the present document can be downloaded from. Signaling measurements on the packet domain of 3gumts. Repeater, streaming, push and store, radio access network, core network. The more general term evolved radio access network eran, can also be used as part of signaling protocols, as the term access stratum as can be used. Although, this paper essentially focuses on umts core network. Core network functionalities signaling requirements between terminal and network. Please visit our website in order to download the latest version.
The philosophy of umts is to separate the user plane from the control plane, the radio network from the transport network, the access network from the. Umts tutorial umts network frame protocol basics tutorials. Evolved packet core epc, which was specified at the same time as lte 3gpp release 8, as the core network to accommodate lte and other radio access systems 1. The umts architecture 5 can be divided in three main domains. The epc consists of the mobility management entity mme1, serving gateway sgw2, packet data network gateway pgw3, and policy and charging rules function pcrf4. Papadoukakis2 1national technical university of athens, 2 4plus technologies s. Containing revised, updated and brand new material, it provides a comprehensive view on the umts network architecture and its latest developments. Umts network composed of three main parts ue user equipment, radio access network ran and core network.
During the time needed to read a web page freshly downloaded. Umts is released in several phases by 3gpp standard body as shown below. The umts world is an 3g mobile system news and information provider. Umts uses a wideband version of cdma occupying a 5 mhz wide channel. If you continue browsing the site, you agree to the use of cookies on this website. Prochnbap, procrua, procranap, procs1ap procmm, procsms, procgmm, procsm. Geran gsm and edge radio access network ps core as in rel. The radio access specifications provide for frequency division duplex fdd and time division duplex tdd variants, and several chip rates are provided for in the tdd option, allowing utra technology to operate in a wide range of bands and coexist with other radio access technologies. Core network cn, umts introduces a set of new protocols, which deserve close understanding and attention.
The diffserv framework has been proposed as a candidate for the provision of qos support in the umts core network, not only in the literature but also in the 3gpp specifications. Utran umts terrestrial radio access network handles all radio. Mobile communications networks mobile communications. Click download or read online button to get radio access network dimensioning for 3g umts book now. A looselycoupled architecture allows a wlan to bypass the 3g core network and interface directly to the core ip. The role of atm, ip and sdh in the umts network the signalling networks inside the core networks.
The course umts core network planning addresses the planning and design principles of the umts core network systems and related transmission networks. It may include a policy decision function pdf, which authorizes. Umts network architectur e cn and an entities and procedures. Radio access networkran,core networkcn and user equipmentue. Umts is an umbrella term for the third generation radio technologies developed within 3gpp. Core network domains serving network sn domain representing the core network functions local to the users access point and location changes when user moves. System testing of a module combining umts radio network. Umts combines three different terrestrial air interfaces, gsms mobile application part map core, and the gsm family of speech codecs the air interfaces are called umts terrestrial radio access utra. As core network architecture is moving towards packet or allip architecture, it becomes critical that the. Atm module is a part of nokias umtsnetwork architecture and it provides interoperability of umts radio access network and gsm core network. This site is like a library, use search box in the widget to get ebook that you want. The 11th international symposium on w ireless personal multimedia communications wpmc08 energy a w are umts core network design.
The user equipment or ue is a major element of the overall 3g umts network architecture. The core network is then the overall entity that interfaces to external networks including the public phone network and other cellular telecommunications networks. Umts long term evolution lte technology introduction. Comprehensive coverage of umts 3g news, licensing, business developments, 3g wcdma telecommunication technology, multi media mobile phones and future communications. The paper overviews the umts core network structure, a possible abstraction of the real. There the hierarchical structure of the umts network and the radio technique. Umts software downloads download32 software archive. Radio access network dimensioning for 3g umts download. Utran circuit switched cs core network umts terrestrial radio access network pstn msc server gmsc server sgw sgw 3gpp rel. Evolutionary analysis of gsm, umts and lte mobile network. The main features of 3g standardization by itu includes support for circuit and packet switching, support for both voice and data. All air interface options are part of itus imt2000. The core network technologies, design, and dimensioning. Wcdma core network introduction linkedin slideshare.
In the currently most popular variant for cellular mobile telephones, wcdma imt direct spread is used. Mobility management in umts i4 lehrstuhl fuer informatik. Umts evolved packet core epc network in umts tutorial 10. Signalling from the as to other core network functional entities is left out of scope. Umts core network and its evolution linkedin slideshare. Ip multimedia subsystem ims roaming in mobile networks. Umts evolved packet core epc network in umts umts evolved packet core epc network in umts courses with reference manuals and examples pdf. Different 3gpp releases up gradation to umts architecture 3. Download32 is source for umts shareware, freeware download umtscrunch by pierre, short messaging planner, linux umtsgprs commandline tool. Radio access network ran, core network cn and user equipmentue.
Interface between the core network and the access network. The course gives a detailed description of postr99 system architectures, their configuration options and additional features. The comparison reveals that eutran consists of one type of nodes, namely evolved node b enodeb, and the variety of interconnections is. Thesis gives required background information about system architectures of gsm and umts. It includes various interfaces such as uu,lub,lur,lucs and lups between ue,nodeb,rnc,msc and sgsn. Mobile communications networks are getting more and more complex with. The 11th international symposium on w ireless personal multimedia communications wpmc08 energya w are umts core network design. Building on the success of the first edition, umts networks, second edition allows readers to continue their journey through umts up to the latest 3gpp standardization phase, release 5. Umts system architecture ue user equipment that interfaces with the user utran umts terrestrial radio access network handles all radio related functionality wcdma is radio interface standard here. Unlimited viewing of the articlechapter pdf and any associated supplements and figures. This requires mobile operators to deploy a robust, scalable packet core network capable of processing massive amounts of throughput with exceptional reliability. The nss is the core component of the gsm architecture which is responsible for.
Pdf umts core network planning model and comparison of. The cross reference between gsm, umts, 3gpp and etsi identities can be found under. The radio access network is composed by nodebs and rncs. Home network hn domain representing the core functions conducted at a permanent location regardless of the users access point. Located at the heart of the mobile packet core network, the ggsn plays a critical role in policy enforcement, network protection, security, quality of service qos enforcement, and interaction with charging and billing systems.
Current literature provides many practical tools and theoretical methods to design, plan, and dimension global system for mobile communications gsm and. The current version of the document describes procedures for ussd operation over ims where the ussd application in the network resides on an as. Typically, a nodeb is the entity which controls a set of cells and. Although 3g umts uses a totally different radio access standard, the core network is the same as that used for gprs and edge to carry separate circuit switched voice and packet data. Signaling measurements on the packet domain of 3gumts core network g. Building on the success of the first edition, umts networks second edition allows readers to continue their journey through umts up to the latest 3gpp standardization phase, release 5. Core network planning lteeps and umts meets the requirements from experienced professionals, dealing with operational and planning aspects of the mobile core networks. This page on umts tutorial covers umts network architecture. The core networks is divided into two domains, the circuit switched.
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