The new radio network in umts is called utran umts terrestrial radio access network and is connected to the core network cn of gprs via iu interface. A telecommunication operator may also have the role of a service provider as it the case today. Standing for universal mobile telecommunications system, umts represents an evolution in terms of capacity, data speeds and new service capabilities from second generation mobile networks. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low. Section 4 gives an overview of the lte architecture, while section 5 gives an overview of the comparison between all architectures 2. An overview of the 3g network lunds tekniska hogskola. The ue is the mobile phone and the utran is the base station and the network intelligence. The gprs supplements gsm networks by enabling packet switching and allowing direct access to external packet data networks. Currently, wcdma networks are deployed in umts band of around 2 ghz in europe and asia, including japan and america korea.
The user equipment or ue is a major element of the overall 3g umts network architecture. The access parts of the network, called the umts terrestrial radio access network utran, are based on atm and it is here that the major changes in upgrading will occur, which. Wcdma is deployed in the 850 and 1900 of the existing frequency allocations and the new 3g band 17002100 should be available in the near future. I am adding the architecture diagram of 2g, 3g, 4g for reference. Utran umts terrestrial radio access network handles all. Fundamentals of 3g basics of wcdma for umts duration.
When the 3g was introduced, cell phone users were finally able to talk and access data at the same time and with higher data rates. Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. Umts terrestrial radio access network pstn msc server gmsc server sgw sgw 3gpp rel. Gprsumts release 99 architecture gf uu um d gi gn iu gc e c gp gs signalling and data transfer interface signalling interface mscvlr te mt utran pdn te gr iu hlr other plmn sgsn ggsn gd smsc smsgmsc smsiwmsc ggsn sgsn eir gn cgf ga ga billing system gb te mt bss r a r. Dualcarrier hspa or dualcell hspa is a wireless broadband standard based on hspa that is defined in 3gpp umts release 8. This page on gsm vs umts describes difference between gsm and umts. Ws 0304, tkn tu berlin, cornelia kappler course umts networks, iii.
Today, more than 60 3gumts networks using wcdma technology are operating commercially in 25 countries, supported by a choice of over 100 terminal designs. Difference between 3g and 4g technology with comparison. This allowed for a better full service for cell phone users wishing to access the. The umts network was based on that used for 2g, although major changes were seen to some terminology and to the radio access network. Evolutionary analysis of gsm, umts and lte mobile network. Umts cellular network, section 3 deals with the processes, agreements and algorithms. Umts network architecture basic configuration, release 3 bss bsc rns rnc cn node b node b a iups iur iub uu msc sgsn gs gmsc ggsn hlr gn gr gc c d e auc h eir f gf pstn gi gb iucs vlr b gp. Umts global services a radio bearer is the service provided by a protocol entity i. It includes various interfaces such as uu,lub,lur,lucs and lups between ue,nodeb,rnc,msc and sgsn. Comparision of 3g wireless networks and 4g wireless. The iu is the utran interface between the radio network controller rnc and cn. User equipment the 3g system consists of two main parts.
The universal mobile telecommunications system umts is a third generation mobile cellular system for networks based on the gsm standard. Umts architecture umts system uses the same core network as the gprs and uses entirely new radio interface. Radio bearers are the highest level of bearer services exchanged between utran and ue radio bearers are mapped successively on logical channels, transport channels and physical channels radio physical. Umts licenses are often issued as 10 or 15 mhz paired spectrum allocations. The architecture of a gsm system is shown in the gure 2. Both are cellular wireless technologies developed for mobile communications. Third edition edited by harri holma and antti toskala both of nokia, finland. Foundation of cellular concept in 1972 bell labs registered a patent which was the foundation for 2nd generation and 3rd generation cellular technologies. This page on umts tutorial covers umts network architecture.
Umts to gsm or umts to gprs umts supports a variety of user data rates and both packet and circuit switched services system composed of three main subsystems telcom 2720 20 umts system architecture ue user equipment that interfaces with the user utran umts terrestrial radio access network handles all radio. Here we will discuss about umts universal mobile communication system which is a 3g system. Gsm works on ftdma principle while umts works on cdma principle. Umts to gsm or umts to gprs umts supports a variety of user data rates and both packet and circuit switched services system composed of three main subsystems umts system architecture usim me node b node b node b rnc rnc mscvlr hlr gmsc pstn internet telcom 2720 ue user equipment that interfaces with the user. The network architecture can be divided into subsystems based on the nature of traffic, protocol structures, physical elements. In the case of umts, the communication over the air interface, or umts terrestrial radio access utra as it is technically known, is achieved using wcdma and tdcdma. Dual cell dchsdpa is the natural evolution of hspa by means of carrier aggregation in the downlink. Umts system architecture and protocol architecture overview on overall system architecture umts network architecture and elements mobile station. This document covers details the architectural requirements for the gsm in iu. The umts world is an 3g mobile system news and information provider.
Security architecture in umts third generation cellular networks. The general packet radio system gprs facilitates the transition from phase12 gsm networks to 3g umts networks. Basic lte architecture video eutran, enodeb, epc, sgw, pgw, mme, hss, pdn by telcoma global duration. It consists of base stations and radio access controller which bridges the gap between mobile station and core network. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. Initial 3g umts network architecture includes both. The application layer is the middle layer of r3 architecture. Physical layer in uu interface is wcdma physical layer fixed network side is based either on. Fixed service providers will apply ims to adsl and cable network accesses. Gprs and umts are evolutions of the global system for mobile communication gsm. They comprise an air interface between the users mobile device and the base station and two core networks. Kth information and communication technology 2g30 mobile and wireless network architectures maguire total pages. An application in the application layer consists of 5 components.
In the subsequent 4glte architecture, voice and data are both based on ip packets. Comparision of 3g wireless networks and 4g wireless networks. Both the ue and the utran are composed of different layers. The cross reference between gsm, umts, 3gpp and etsi identities can be. Radio access networkran,core networkcn and user equipmentue.
All transactions of the end user are performed in this layer. Separation of access technology, transport technology, service technology. Developed and maintained by the 3gpp 3rd generation partnership project, umts is a component of the international telecommunications union imt2000 standard set and compares with the cdma2000 standard set for networks based on the competing. Umts overview and learn some important concept about umts architecture. In view of the far greater number of applications and facilities that it can perform, the decision was made to call it a user equipment rather than a mobile. Umts architecture 16 accumulated abbreviations ims ip multimedia subsystem, one of the umts functional groups imt2000 international mobile telecommunications at 2000 mhz, 3g concept by itu. It is an allip network that consists of ip routers edge and core ip routers. Umts protocol internetworking architecture transport network layer is responsible for providing a general purpose transport service user data and control data for all umts network elements. Cellular networks, 3g, umts, security architecture, aka, kasumi. The constituent parts of 3g umts network are mobile station.