It based on the original 3g technologies having the ability to. In 3g, the most prevalent technology was umts with cdma2000 in close contention. In order to simplify protocol architecture, lte brings some major changes to the existing. Mobile network technologies gsmgprsumtslte youtube. Gsm adjunct systems gsm standards define that certain adjunct or secondary systems work with gsm technology. Gsm network is consists of mobile station, base station subsystembts, bsc and networkmsc and operation subsystem.
Systemy komorkowe gsm, umts i lte zbigniew serwecinski 9112012 siec komorkowa siec komorkowa to sie c radiokomunikacyjna skladaja ca ca sie z wielu obszarow komorek, z ktorych ka zdy jest obslugiwany przez co najmniej jedno urza dzenie dzenie radiowe o stalej lokalizacji, czyli tzw. It contains the base stations, which are called node bs and radio network controllers rncs which make up the umts radio access network. Jul 18, 2017 in this video we discuss three topics. Outline of the lecture evolutions form gsm to umts. The 3g umts core network architecture is a migration of that used for gsm with further elements overlaid to enable the additional functionality demanded by umts. The global system for mobile communications gsm which is a standard for 2g second generation cellular networks has created an avenue for the development of 3g third generation and 4g fourth generation cellular network standards such as universal mobile telecommunications system umts and long term evolution lte. The ue user equipment interface of the ran radio access network primarily consists of rrc radio resource control, pdcp packet data convergence protocol, rlc radio link control and mac media access control. In principle, the network is separated into a radio network part and a core network part. In view of the different ways in which data may be carried, the umts core network may be split into two different areas. Rrc connection release with redirect between lte and gsmumts. It based on the original 3g technologies having the ability to reach the speed up to 100 mbits with a muchreduced latency.
The global system for mobile communications formerly groupe continue reading what is gsm, edge, gprs, umts 3g, hsdpa, hsupa, lte. Evolutionary analysis of gsm, umts and lte mobile network. Lte 4g network architecture lte core network mobile. Therefore, gprs term can be used to call the ps domain in both 2g and 3g networks. The iu is the utran interface between the radio network controller rnc and cn. Umts subscriber identity module usim identity information used by a umts or lte network. What is umts network architecture radio access radio interface frequency bands umts cdma modulation data channels umts tdd tdsdcdma handover. The mobile phone and subscriber identity module, the umts radio access network and, supporting voice with the circuit switched core network. Its basis stands in the gsm edge and umts hspa network technologies, with changes in terms of an increased capacity and higher speed by simplifying the core network and using a different radio interface.
The lte standard grew out of the global system for mobile communications gsm and universal mobile telecommunications system umts standards, commonly called 3g. At first i will center the study in the objectives and main characteristic of this generation. Kalle ikkela, marko myllynen, juha heinanen and olli martikainen. Spirent ims rchitecture the lte user equipment perspective 8. Mar 26, 2012 the architecture of lte network and working principle lte is a standard for wireless data communications technology and an evolution of the gsm umts standard. The path to lte will include many improvements to network elements in existing mobile networks. Umts system architecture and protocol architecture. The umts architecture takes advantage of the existing gsm and gprs networks which serve as a core network in umts infrastructure. Lte is a standard for wireless data communications technology and an evolution of the gsm umts standard. Gsm is a rather old technology while umts is newer. Umts is a complete system architecture as in gsm emphasis on standardized interfaces mix and match equipment from various vendors simple evolution from gprs allows one to reuseupgrade some of the gprs backhaul equipment backward compatible handsets and signaling to support intermode and intersystem handoffs. This document presents the lte network architecture as the first technical document of lte area. Outline 1 introduction 2 lte architecture 3 lte radio interface 4 multimedia broadcastmulticast service.
The network architecture for gsm edge was basically the same as. A simplified view of the gsm edge network architecture can be seen in the diagram below. The first band covers global system for mobile communication gsm, universal mobile telecommunication system umts, wirless local area network wlan and long term evaluation lte. The evolved packet core epc the allip epc used in lte is a part of the transport block of the architecture, where transport is the entity through which the overall network e. To call b, the phone number of b is sent by a to the msc. Gsm stands for global system for mobile evolution, developed based on 3gpp standards. Difference between gsm and umts difference between. Cdma subscriber identity module csim or reuseable identification. Utran short for umts terrestrial radio access network is a collective term for the network and equipment that connects mobile handsets to the public telephone network or the internet. Currently, gsm is still the most widely used technology today while umts is still in its infancy, slowly creeping forward. February, 28th 2005 overview in this document i make a study of third mobiles generation systems. The mobile phone and subscriber identity module, the umts radio access network and, supporting voice with the. Dec 01, 2018 lte refers to long term evolution, and the architecture of the lte network is as following, the enodeb is the 4g site that the ue connects to.
Umts networks are often combined with gsm edge, the latter of which is also a part of imt2000. This communications network, commonly referred to as 3g for 3rd. It is assigned to a single user and contains all the functions needed to access umts services. Mobile station, network and switching subsystem nns, and the base station. All radio access technologies have to solve the same problems.
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. The gateway msc or gmsc the purpose of which is to query the hlr and determine the location of the subscriber. Umts long term evolution lte technology introduction. Pdf gsm, 3g, umts, 4g, gprs cours et formation gratuit. The internal architecture of the user equipment for lte is identical to the one used by umts and gsm which is actually a mobile equipment me. Universal mobile telecommunications system umts umts is regarded as a third generation 3g wireless communication system that acts as a successor to the second generation 2g communication technologies and is an evolved version of gsm gprs and edge poole, 2006. Gsm tutorial covering gsm basics, gsm network architecture, network elements, gsm system specifications, gsm frame structure, gsm physical layer or speech processing and network entry, refer basic gsm tutorial. This page on umts vs lte describes difference between umts and lte systems. Gprs and edge also use the gsm network, the higher speeds of edge is the result of an improved technology.
The mobile equipment comprised of the following important modules. Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. Umts tutorial covering umts releases, umts frequency bands,uarfcn, umts multiple access, umts frame structure and umts network architecture. Atoll supports gsm gprsedge, umts hspa, lte, cdma2000 1xrtt evdo, tdscdma, wimax and microwave links. The universal mobile telecommunications system umts is a third generation mobile cellular system for networks based on the gsm standard. Umts umts is a complete system architecture as in gsm emphasis on standardized interfaces mix and match equipment from various vendors simple evolution from gprs allows one to reuseupgrade some of the gprs backhaul equipment backward compatible handsets and signaling to support intermode and intersystem handoffs. The number of logical network nodes, however, has been reduced to streamline the overall architecture and reduce cost and latency in the network. The essential distinctions between rolling out hspa compared to earlier umts. Umts is an umbrella term for the third generation radio technologies developed within 3gpp. Sumit thakur uncategorized lte ppt power point presentation pdf.
The lte network called eps evolved packet system is an endtoend e2e all ip network. The gsm architecture is made up of majorly three subsystems which include the. Voice communication was primary application, with data added recently. Mobility and seamless handoff were requirements from the start, as was a requirement for. Gsm is typically based on tdma while umts is mainly cdmabased. This paper will concentrate also to describe the main functions of the most important network elements. Optimization of the methodology of configuration of mobile. From this it can be seen that it is very similar to the more basic gsm network architecture, but with additional elements. The general lte network architecture is similar to that of gsm and umts. What is gsm, edge, gprs, umts 3g, hsdpa, hsupa, lte 4g. The msc then analyzes the national destination code of the phone number, which usually comprises the.
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. Pdf umts universal mobile telecommunication service is one of 3g third generation of wireless. Architecture and key features of lteadvanced networks. The long term evolution standard lte is a wireless communications, highspeed data standard for mobile phones and data terminals. Evolution types evolution contains not only technical evolution but also expansion to network architecture and services. Both the systems are used for cellular mobile communications. In the ran working groups term evolved umts terrestrial radio access network eutran and long term evolution lte are used interchangeably in the sa working groups the term system architecture evolution sae was used to signify the broad framework for the architecture for some time the term ltesae was used to describe the new. In the ran working groups term evolved umts terrestrial radio access network eutran and long term evolution lte are used interchangeably in the sa working groups the term system architecture evolution sae was used to signify the broad framework for the architecture for some time the term lte sae was used to describe the new. The network architecture for gsm edge was basically the same as that used with gprs sgsn network entity. Lte refers to long term evolution, and the architecture of the lte network is as following, the enodeb is the 4g site that the ue connects to.
Global vs ltecdma vs lte, gsm or umts windows central. Architecture and key features of lte advanced networks. What is gsm, edge, gprs, umts 3g, hsdpa, hsupa, lte 4g lte mall. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. Its basis stands in the gsmedge and umtshspa network technologies, with changes in terms of an increased capacity and higher speed by simplifying the core network and using a different radio interface. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low.
The first band covers global system for mobile communication gsm, universal mobile telecommunication system umts, wirless local area network wlan and long term evaluation lte, while the. 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. Key words long term evolution, lte, umts, hspa, flat architecture 1. The main goals of lte is to increase the capacity and data rates of wireless data networks, improve spectrum efficiency, improve coverage, reduced latency and packetoptimized system that support mutliple radio access.
It also includes support for multitechnology network planning e. Nov 05, 2018 umts inherited its core from the gsm gprs architecture. Keywords mobile network communication, gsm, umts and lte optimization of. Eps is divided into two parts lte part which deals with the technology related to a radio access network eutran and epc part which deals with the technology related to a core network. The main goals of lte is to increase the capacity and data rates of wireless data networks, improve spectrum efficiency, improve coverage, reduced latency and packetoptimized system that. Spirent ims rchitecture te lte use eipent pespetive 6. Gsm uses tdma and fdma for user and cell separation.
Lte fully abbreviated as longterm evolution is a technology involving firstgeneration 4g cellular networking. Summary introduction to wireless lte 4g architecture and key. With the change from 2g to 3g, the emphasis for the systems changed from a focus on mobile voice communications to mobile data and general connectivity. Long term evolution protocol overview nxp semiconductors.
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