A short overview of the whole umts system and more detailed overview of utran are given, including essential network elements and the interfaces between them. May 25, 2019 umts stands for universal mobile telecommunications system and is also commonly referred to as the global system for mobile communications. Handover capability between the umts and gsm is supported. In roduct 4 t ion 4 3g continued umts universal mobile telecommunications system. Umts overview david tipperdavid tipper associate professor graduate telecommunications and networking program university of pittsburgh 2700 slides 12 3g driving factors subscriber base continues to grow 1 billion wireless subscribers in 2002 surpassed landline telcom 2720 2 predict 3 billion by 2008 800 billion mobile revenues 2007. Pdf umts universal mobile telecommunication service is one of 3g third. Lte is the successor technology not only of umts but also of cdma 2000. Long term evolution protocol overview nxp semiconductors. Pdf 01 hspa system overview in umts network pradip kumar. Most of 3g licenses in europe required operator to. Using this bandwidth it has the capacity to carry over 100 simultaneous voice calls, or it is able to carry data at speeds up to 2 mbps in its original format.
An overview of the 3g network lunds tekniska hogskola. An overview of the 3g network umts can in many aspects be looked upon as an extension to gsm and gprs. Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. Request pdf overview of umts airinterface evolution with the emergence of packetbased wireless broadband systems such as 802. The european vision of 3g 3gpp r99 frozen in march 2000 3gpp r4 frozen in march 2001 3gpp r5 frozen in march 2002 or june 2002 3gpp r6 target time june 2003, estimated time december 2003 umts is already a reality 6. The cdma technology offers higher throughput, realtime services, and endtoend quality of service qos, and delivers pictures, graphics, video communications, and other multimedia information as well as voice and data. Umts stands for universal mobile telecommunications system and is also commonly referred to as the global system for mobile communications. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. Overview of umts airinterface evolution request pdf. Architecture, mobility and services, second edition. This paper gives an overview of the long term evolution lte of the universal mobile telecommunication system umts, which is being developed by the 3rd generation partnership project 3gpp. The utran consists of a set of radio network subsystems rnss ii. Overview long term evolution lte is the next step forward in cellular 3g services.
All equipment has to be modified for umts operation and services. Lte was the 4g successor to the 3g umts system which was developed to provide a further evolution of the mobile telecommunications system available. Physicalcommunication32010217244 table 2 primarylteadvanceddeploymentscenarios. Following the initial launch of the first network in the uk, the second launch a few years later was known as 3 which was a forerunner to what we now know as 3g, getting its name from the gsm standard. The successful trial, deployment, operation and troubleshooting of 3g or umts infrastructures and applications is the. Umtsgprs system overview from an ip addressing perspective. Ltea an overview and future research areas abstract. The umts world is an 3g mobile system news and information provider. 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 cdmaone. Mobile telecommunications system umts technologies.
Etsi proposed gsmnatdma gprs evolution under name universal mobile telecom. Lte evolved from an earlier 3gpp system known as the universal mobile telecommunication system umts, which in turn evolved from the global system for mobile communications gsm. Handover between umts and gsm is supported, and handover between umts and other 3g systems e. Overview of gprs and umts this chapter provides a brief introduction to the 2. At first i will center the study in the objectives and main characteristic of this generation. Comprehensive coverage of umts 3g news, licensing, business developments, 3g wcdma telecommunication technology, multi media mobile phones and future communications. Moreover, a code division multiple access cdmabased cellular concept and different major planning strategies of. Lte is important because it will bring up to 50 times performance improvement and much better spectral efficiency to cellular networks. Here is the list of system areas from largest to smallest. This paper provides some background to the umts standard and an overview of the system. Outside the umts service area, umtsgsm ue will be connected to the network at reduced data rates via the um.
Increase system capacity add additional servicesfeatures sms, caller id, etc reduce cost improve security. Today, more than 60 3g umts networks using wcdma technology are operating commercially in 25 countries, supported by a choice of over 100 terminal designs. It is necessary for a network to know the approximate location in order to be able to page user equipment. Maximum data rates are 115 kbps for cs data by hscsd, 171 kbps for ps data by gprs, and 553 kbps by edge. 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. It also analyses the umts markets and presents umts vendors products and strategies as well as their recent activities in 3g. Lte technology is a based on a 3gpp standard that provides for a downlink speed of up to 150 megabits per second mbps and an uplink speed of up to 50. The term lte is typically used to represent both lte and sae. 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. Jun 09, 2010 in roduct 4 t ion 4 3g continued umts universal mobile telecommunications system. February, 28th 2005 overview in this document i make a study of third mobiles generation systems. Providing much higher data speeds and greatly improved performance as well as lower operating costs, the scheme started to be deployed in its basic form around 2008. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low.
The rns is responsible for the radio resources and transmissionreception in a set of cells. The utran provides the air interface access method for user equipment. Umts tutorial pdf version quick guide resources job search discussion the universal mobile telecommunications system umts, based on the gsm standards, is a mobile cellular system of third generation that is maintained by 3gpp 3rd generation partnership project. Net works using the radio interface wcdma can be ei ther synchronous or asynchronous. 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 4 umts system architecture ue user equipment that interfaces with the user utran umts terrestrial radio access network handles all radio. The gprs is the convergence point between the 2g technologies and the packetswitched domain of the 3g umts. Lucent technologies proprietary what is umts umts stands for universal mobile telecommunications system umts is a part of the international telecommunications unions imt2000 vision of a global family of thirdgeneration 3g mobile communications systems umts will play a key. Umts system architecture and protocol architecture overview on overall system architecture umts network architecture and elements mobile station highlevel functions umts domains and strata umts gprs protocol architecture references. The greatest changes are related to the access part of the network. The universal mobile telecommunications system umts as specified by the third. Base station is referred as nodeb and control equipment for nodebs is called radio network controller rnc.
Moreover, a code division multiple access cdmabased cellular concept and different major planning strategies of the utran are shortly presented. The basic core network architecture for umts is based on gsm network with gprs. Mobile telecommunication system umts and universal terrestrial radio. Lucent technologies proprietary what is umts umts stands for universal mobile telecommunications system umts is a part of the international telecommunications unions imt2000 vision of a global family of thirdgeneration 3g mobile communications systems umts will play a key role in creating the. Overview of standards 300 cr change request management 300. A cell sector is one coverage area served by a broadcast.
Lte introduced to get higher data rates, 300mbps peak downlink and 75 mbps peak uplink. It gives an overview of umts systems from the areas including its evolution, architecture, protocols and service capabilities. Umts system page has an example, how umts network could be build. Some information about the current status of technology trials is provided as well as predictions for the services that future umts networks are likely to deliver to the end user. Umts networks oliver waldhorst, jens muckenheim oct11 1 umts system architecture and protocol architecture overview on overall system architecture umts network architecture and elements mobile station highlevel functions umts domains and strata umtsgprs protocol architecture references. The chapter structure has been reworked for improved usability for readers, as well as including many new features and updates. This paper provides some background to the umts standard and an overview of the system architecture. A synchronous network can utilize the radio interface more ef. Functional layer in the umts protocol stack between core network cn and user equipment ue supporting signaling and traffic between these two elements mac functions mapping between logical channels and transport channels scheduling information reporting managing harq logical channel prioritization.
Umts inherits a lot from the gsm standard while cdma2000 inherits a lot from is95, the comperitng standard for gsm in north america. A further key requirement for umts is the need for an evolution of the core network architecture used in gsm. Overview of umts radio access technologies umts networks. 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. Umts is an umbrella term for the third generation radio technologies developed within 3gpp.
The umts takes a phased approach toward an allip network by extending second generation 2g gsmgprs networks and using wideband code division multiple access cdma technology. This is done in gsm via gaussian minimum shift keying gmsk. Today, more than 60 3gumts networks using wcdma technology are operating commercially in 25 countries, supported by a choice of over 100 terminal designs. Umts uses wideband cdma wcdma as the radio transmission standard. Umts overview david tipper associate professor graduate telecommunications and networking program university of pittsburgh 2720 slides 11 telcom 2720 2 second generation cellular systems motivation for 2g digital cellular. The access network, called umts terrestial radio network utran, consists of base stations and base stations controllers. 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 imt2000 third generation mobile communication standards in november 1999. Umts etsi proposed gsmnatdma gprs evolution under name universal mobile telecom. Ltea an overview and future research areas ieee conference. The universal mobile telecommunications system umts is a third generation mobile cellular system for networks based on the gsm standard. Services umts most of 3g licenses in europe required operator to deploy a umts system covering x% of population by a specific date y germany. Umts is a 3g mobile communications technology that provides wideband code division multiple access cdma radio technology. Umts networks andreas mitschelethiel, jens muckenheim oct12 1 umts system architecture and protocol architecture overview on overall system architecture umts network architecture and elements mobile station highlevel functions umts domains and strata umtsgprs protocol architecture references.
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