Lte architecture ip multimedia subsystem computer network. But while the physical handset may take centre stage, where would it be without that all important supporting cast, the mobile network. Evolutionary analysis of gsm, umts and lte mobile network. Architecture and key features of lte advanced networks article pdf available january 2012 with 12,082 reads how we measure reads. The wireless providers, also known as mobile network operators mnos, operate the cellular lte air interface, backhaul, core network, and portions of a users mobile device, including the universal integrated circuit card uicc hardware token and the universal subscriber identity module usim software application. 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. In context, ues can be the gateway for various security vulnerabilities into the lte service. The ebn sends and receives radio transmissions to all the mobiles using the analogue and digital signal processing functions of the lte air interface. Ltelteadvanced for mobile broadband pdf, epub, docx and torrent then this site is not for you.
A comprehensive guide to building wireless and mobile networks and services. Lte is a 4g wireless communications standard developed by the 3rd generation partnership project 3gpp thats designed to provide up to 10x. System architecture evolution sae is the core network architecture of 3gpps lte wireless communication standard sae is the evolution of the gprs core network, with some differences. 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. The main assumption in our approach is that the user will have the possibility to access different rats from single mobile device at the same time, which is reality even today. Physicalcommunication32010217244 219 table 1 lte,lteadvanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul.
System architecture evolution sae is the core network architecture of 3gpps lte wireless communication standard. 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. It based on the original 3g technologies having the ability to reach the speed up to 100 mbits with a muchreduced latency. The lte poster from alcatel lucent provides some details about bearer architecture, lte security system, internetworking of lte with other 3gpp umts and gsm and non3gpp systems. 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. Although the lte came out to cope with the increasing growth of mobile devices, it still has many issues and challenges. Several providers setup mobile networks following the gsm standard within each country components oms mobile station obs base station omsc mobile switching center olr location register subsystems orss radio subsystem. As consumers expect to be able to use their mobile phone virtually everywhere, lte will initially be deployed in parallel with existing mobile services. After describing the lteadvanced architecture, we focus on layout and the main. Because this type of network architecture is agile enough to be moved without running more cabling, its possible to change direction without delay. In gsm, the architecture relies on circuitswitching cs. In this paper, we first provide an overview of sdn, network virtualization, and network function virtualization, and then describe the current lte mobile network architecture as well as its. Sdn will also open up new opportunities for traffic, resource and mobility management, as well as impose new challenges on network security.
This year 2015 the mobile phone celebrates its 30th birthday in the uk. Most of my carrier about wireless area was about the wireless communication between ue mobile phone and enbbts, i tend to assume that all other. The 3gpp which means that 3 rd generation partnership project is a standard which is developing system architecture evolution sae long term evolution lte architecture for the succeeding mobile communication systems. Our private wireless solution gives you a dedicated 4. This book gives network engineers and managers a window on the world of wireless and mobile networks, from the enabling technologies and protocols to.
Mobile network technologies gsmgprsumtslte mobile network technologies has evolved over time to satisfy the increasing customer needs for higher data rates and better services. Lte architecture the infrastructure of an lte cellular network comprises the eutraeutran air interface and the evolved packet core epc, which includes the gateways, mobility management and subscriber databases. From theory to practice provides the reader with a comprehensive systemlevel understanding of lte, built on explanations of the theories which underlie it. The 4g architecture basically build upon 3g or can say that it is a extension of 3g wireless technology. The lte poster from alcatel lucent provides some details about bearer architecture, lte security system, internetworking of lte with other 3gpp umts and. The user equipment or ue is a major element of the overall 3g umts network architecture. Kth information and communication technology 2g30 mobile and wireless network architectures maguire total pages. Based on advanced wireless and mobile network architectures, personal communication services pcs offers the enterprise freedom of communication through mobility. This book presents lte evolution towards 5g mobile communication and the emergence of new requirements for mbb, mtc and llc services. Lte fully abbreviated as longterm evolution is a technology involving firstgeneration 4g cellular networking. Summary introduction to wireless lte 4g architecture and key. Next, we discuss the endtoend protocol layering in a lte network, network. Section ii examines the economic factors that are forcing mobile operators to rethink their network architectures to manage surging traffic growth and relentless retail price pressure.
Lte mobile communicates with just one base station and one cell at a time and there are following two main functions supported by enb. Gsm, 3gwcdma, lte and the road to 5g is an ideal text for postgraduate and graduate students studying wireless engineering, and industry professionals requiring an introduction or refresher to existing. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low. The air interface and packet core enable the lte mobile user to connect to external data networks such as the internet. Long term evolution lte is the next step forward in cellular 3g services. This document presents the lte network architecture as the first technical document of lte area. Pdf mobile network architecture evolution 1g to 4g. Wireless and mobile network architectures jason yibing. Restructuring to multifunction terminals and horizontal services fourth generation mobile 4g means broadband mobile wireless services, which are based on ieee 802. Much of the lte standard addresses the upgrading of 3g umts to what will eventually be 1g mobile communications technology. Mobile telecommunications switching office mtso connects calls between mobile units.
But underneath the antennas, the core network engineer is the one that ensures full connectivity in the entire mobile network although 3g was the first technology to give real mobile access to the web, it wasnt until. The hlr manages the location updates as mobile phones roam. Lte network architecture in lte tutorial 05 may 2020. From 3g to lte examines network architecture evolution in response to rapidly growing 3g data traffic and the planned introduction of long term evolution lte and system architecture evolution sae technology now also known as enhanced umts terrestrial radio access network eutran and evolved packet core epc, respectively in the 2010 to. Sumit thakur uncategorized lte ppt power point presentation pdf. Concentrating on three mobile communication technologies, gsm, 3gwcdma, and ltewhile majorly focusing on radio access network ran technologythis book describes principles of mobile radio technologies that are used in mobile. It is all ip network and is based on packet switching for voice as well as data unlike 2g3g where it is circuit switch for voice and packet switch for data. Pdf security architecture of 3gpp lte and ltea network. Concentrating on three mobile communication technologies, gsm, 3gwcdma, and lte. The main element within the core network area of the overall gsm network architecture is the mobile switching services centre msc.
Then, we propose establishing new network nodes for policybased routing between ip. You control which machines, sensors and workers can access the network and ensure that they get the right priority and performance. Pdf mobile technology has emerged the needs for wireless communication over. As lte technologies evolve, lte advanced pro dramatically increases cell capacity and user data rates for the mbb unicast service. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. Jun 02, 2016 4g lte architecture long term evolution architecture. Pdf survey on lte network architecture and its security aspects. The servicedriven 5g network architecture aims to flexibly and efficiently meet diversified mobile service requirements. Jeffrey cichonski joshua m franklin michael bartock s.
But underneath the antennas, the core network engineer is the one that ensures full connectivity in the entire mobile network. The lte network architecture explained in this document applies to a lte only network provided by a single operator and thus has covered the most basic components of the eps system. Section 4 gives an overview of the lte architecture, while section 5 gives an overview of the comparison between all architectures 2. Mobile network technologies gsmgprsumtslte youtube. Written as a modified and expanded set of lectures on wireless engineering taught by the author, introduction to mobile network engineering. The ebn will act as an interface which sends and receives radio transmissions to all the mobiles with the use of the analogue and digital signal processing functions of the lte air interface.
Architecture of the gsm system several providers setup mobile networks following. In 2010, 3 million tablets were connected to the mobile network, and each. Section i is an introduction to the report, with complete report key findings. Due to this, we need the improvement of high broadband wireless technologies. System architecture evolution national chengchi university. The mobile equipment comprised of the following important modules. Evolutionary analysis of gsm, umts and lte mobile network architectures paschal a. Typical mobile network architecture with mobile backhaul network portion highlighted. This book describes the concept of a software defined mobile network sdmn, which will impact the network architecture of current lte 3gpp networks.
Launch of first 4g lte commercial networks in scandinavia. Indeed, the mobile network architecture needs particular attention when discussing the evolution of 3gpp eps because it is the architecture that integrates the many different future technologies into one mobile network. Sdn and virtualizationbased lte mobile network architectures. Summarizes and surveys current lte technical specifications and implementation options for engineers and newly qualified support staff.
Increased bandwidth endtoend ip simplified architecture. This paper presents topological planning problem of fourth generation 4g cellular networks based on the long. May 15 2020 4gltecellulartechnologynetworkarchitectureand 33 pdf drive search and download pdf files for free. The infrastructure of an lte cellular network comprises the eutraeutran air interface and the evolved packet core epc, which includes the gateways. Mobile, one decade for a leap gsm, cdma amps tacs wcdma cdma2000 tdscdma wimax lte lte a 4. Lte architecture article about lte architecture by the. The msc acts like a normal switching node within a pstn or isdn, but also provides additional functionality to enable the requirements of a mobile user to be supported. This paper explores the network architecture of 4g 4th generation and lte long term evolution wireless technologies, the mobile standards used by these technologies and key features. Pdf sdn and virtualizationbased lte mobile network. Overview of lteadvanced mobile network plan layout ijssst.
Lte 4g network architecture lte core network mobile. Evolution sae, the core network architecture for lte. An adtran white paper 4glte mobile backhaul reference. Lte mobile communicates with just single base station and also one cell at a time and there are below mentioned two main functions which are assisted by enb. The hlr is a systems that directly receives and processes mobile application part map transactions and messages. Jul 10, 20 the lte network architecture explained in this document applies to a lte only network provided by a single operator and thus has covered the most basic components of the eps system. Concentrating on three mobile communication technologies, gsm, 3gwcdma, and ltewhile majorly focusing on radio access network ran technologythis book describes principles of mobile radio technologies that are used in mobile phones and service. Alcatel lucent are one of the top network solution provider. With softwaredefined networking sdn and network functions virtualization nfv supporting the underlying physical infrastructure, 5g comprehensively cloudifies access, transport, and core networks.
Basic lte architecture video eutran, enodeb, epc, sgw, pgw. And in fact, wireless knowledge is essential when optimizing the service itself. Sae is the evolution of the gprs core network, with some differences. Cellular networks khoury college of computer sciences. Pdf 4g is new wireless technology developed by the third generation. Jagdish chandra bose and others, demonstrate forms of wireless. Nov 05, 2018 mobile network technologies gsmgprsumts lte mobile network technologies has evolved over time to satisfy the increasing customer needs for higher data rates and better services. Jan 31, 2011 free pdf posters lte poster from alcatel lucent. The infrastructure of an lte cellular network comprises the eutraeutran air interface and the evolved packet core epc, which includes the gateways, mobility management and subscriber databases. Mobile wireless communication is improving and getting mature day by day.
Additionally,the evolvedpacketdatagatewayepdgprovidessecurity. This also means continuity of service for customers who can continue to use their phones on existing networks. Mobile operators lte networks serve the general public or enterprise subscribers. Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. In this paper we provide complete functional architecture for 5g mobile networks. The first lte devices were mobile broadband modems usb. Although 3g was the first technology to give real mobile access to the web, it wasnt until lte long term evolution or sometimes called 4g, that our lives became completely mobile. The lte network called eps evolved packet system is an endtoend e2e all ip network. Dcs nideag metro network mplsethernet ipmpls csr core csr bsc msc mme pdsn sgw metrocellmicrocell nxt1e1, ds3, oc3.
This article discusses 3gpp eps mobile network evolution as a whole, analyzing specific architecture proper. Lte mobile broadband networks might look like an obvious job for a wireless network engineer. Basic lte architecture video eutran, enodeb, epc, sgw. This article looks at the evolved packet core epc, the core network of the lte system, giving an overview of the architecture of the core network, describing some of its key elements. In radio access and the mobile backhaul network, the deployment of many base stations and the distribution of the control plane, the lte is hard to manage, which results in inefficient radio resource management.
Networkpdnbyassigninganipaddressfromthe pdntotheue,amongotherfunctions. Named as lte long term evolution, the 4g system architecture is made up of an epc evolved packet core and evolved universal terrestrial radio access network eutran. With legacy technologies, operators could enforce security policies on their own infrastructure, secure their perimeter and be reasonably confident that a. Confidential reliance jio infocomm limited 1 2g, 3g and lte network architecture lte has a flat architecture. The long term evolution standard lte is a wireless communications, highspeed data standard for mobile phones and data terminals. To be able to move on to other lte technical documents that follow, fundamental understanding of the entities and interfaces of the eps system is required. Mobile broadband is the 4g effort of north america and parts of asia. The epc is the latest evolution of the 3gpp core network architecture. Cellular network organization use multiple lowpower transmitters 100. Ues are the subscriber entry points into the lte network and are perhaps the weakest element on the lte architecture as the mno has least control over its security parameters.
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