Lte network architecture evolution ville eerola helsinki university of technology ville. Mobile 4g lte lte, lte advanced mobile 1g amps, nmt, tacs richer content video more connections 1 peak data rate for gsmgprs, latest evolved edge has peak dl data rates capable of up to 1. Lte fully abbreviated as longterm evolution is a technology involving firstgeneration 4g cellular networking. Also this paper tries to present the advantages why operators are willing to invest to. What is the technical difference between 2g, 3g and 4g.
The evolved packet core communicates with packet data networks in the outside world such as the. 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. To stop total cost of ownership from soaring, the proposed architecture will be software. Using 4g lte for both primary and backup networking helps distributed enterprises enable branch office connectivity and applications like digital signage, kiosks, cctv, popup stores, pointofsale systems, instore wifi, and a variety of transportation applications.
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. Summary introduction to wireless lte 4g architecture and key. In addition to lte, 3gpp is also defining ipbased, flat network architecture. Lte uses several different types of logical, transport and physical channel, which are distinguished by the kind of information they carry and by the way in which the information is processed in the transmitter. In the lcs architecture, an evolved smlc is directly attached to the mme. Lte enodeb s1 startup, mibsib broadcast and rrc connection learn about enodeb startup. Launch of first 4g lte commercial networks in scandinavia. Named as lte long term evolution, the 4g system architecture is made up of an epc evolved packet core and evolved universal. Longterm evolutionsystem architecture evolution lte sae marketed as 4g specified by 3rd generation partnership project 3gpp is new mobile ge. The mobile video and mobile tv era, with always on expectations, brings. Wimax, wibro, iburst, 3gpp long term evolution and 3gpp2 ultra mobile broadband. But before we jump into the architecture we need to understand what gave rise to the need of lte. Architecture and key features of lte advanced networks article pdf available january 2012 with 11,841 reads how we measure reads.
Main functionalities of each network node are discussed in detail along with examples. Current ran architecture is undergoing a transformation to increase deployment flexibility and network dynamicity, so that networks will be able to meet the performance requirements demanded by applications such as extreme mobile broadband and longrange massive mtc. Cloudnative architecture is the foundation of 5g innovation. The objectives of this evolution is to support location of an ims emergency call, avoid impacts to a location session due to an interenodeb handover, make use of an evolved and support mobile originated location request molr and mobile terminated location request mt.
Accessing 4g networks will be possible virtually by using any wireless device such as pdas, cell phones, and laptops. The technology designed and developed by 3gpp as air interface for cellular mobile communication systems. Feb, 2015 lte deployment aspects flexible spectrum the carrier could be 1. If you continue browsing the site, you agree to the use of cookies on this website. Volte ims architecture ims core cscf, tas, mrf, bgw. The first deployments were simply known as lte, but later deployments were designated 4g lte advanced and later still 4g lte pro. It based on the original 3g technologies having the ability to reach the speed up to 100 mbits with a muchreduced latency. Son selfoptimization, important enhancements, such as position location technologies, in different areas to cover for the requirements for emergency call. An adtran white paper 4glte mobile backhaul reference. Comparision of 3g wireless networks and 4g wireless.
A baseline architecture for private lte is shown in figure 2. Tonex long term evolution lte training crash course bootcamp introduces lte and related technologies required to plan, design, implement and manage the evolution route for wireless and cellular network operators towards 4g broadband mobile networks. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low. Lte lte advanced for mobile broadband this book focuses on lte with full updates including lte advanced to provide a complete picture of the lte system. This document presents the lte network architecture as the first technical document of lte area. Lte technology has many benefits when compared to current 3g networks. Nov 30, 2017 4g network architecture is essentially a cellular network architecture wherein with the current stage of lte release, 1gbps is the ideal achievable downlink speed and it permits a high speed uplink as well. Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. The reasons that network operators deploy 1800mhz lte network are obvious. Many of the times, it has been felt that the readers, who are using the ebooks for first time, happen to have a difficult time before getting used to them. The following extract from 1 provides a very good understanding of the overall lte network infrastructure and elements. This allowed for a better full service for cell phone users wishing to access the.
It includes radio access, devices and core network. Sumit thakur uncategorized lte ppt power point presentation pdf. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. Overview and detailed explanations are given for the latest lte standards for radio interface architecture, the physical layer, access procedures, broadcast, relaying, spectrum and rf.
The highlevel network architecture of lte is comprised of following three main components. The lectures also cover channel mapping and ue categories. This book presents the technical characteristics of the two radio network interfaces of mobile 4g, lte and lte advanced, based on release 8, 9 and 10 of the 3gpp specifications. This year 2015 the mobile phone celebrates its 30th birthday in the uk. While legacy networks employed a hierarchical architecture, eutran uses a flat architecture. Increased bandwidth endtoend ip simplified architecture. In order to meet the requirements for lte networks, the evolved utran e utran architecture has been improved dramatically from the 3g3. Magic mobile multimedia anytime, anywhere global mobile support integrated wireless solutions customized personal service. 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. Lte mobile communicates with just one base station and one cell at a time and there are following two main functions supported by enb.
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. Another main improvement for lte is to reduce packet latency. How can we compare the 4g network architecture to 5g. The functions of the enb in eutran systems include not only base station. Band 3 is reportedly the most widely used band for lte deployment. The evolved umts terrestrial radio access network e. Table of wireless capacity requirements for a fully populated, threesector lte cell site, the backhaul bandwidth requirements will be approximately 40 mbps. Mobile communication networks andreas mitschelethiel, florian evers 4 architecture of the gsm system gsm is a plmn public land mobile network several providers setup mobile networks following the gsm standard. Lte presentation ppt free download as powerpoint presentation. The global umts bands are clear as band 1, 8 or band 2, 5, but lte bands are much more complex. The heralded anytime, anywhere access and entertainment medium shall become a reality with 4g. Architecture for localarea private lte networks source. It is compared to previous wireless networks and provides a simpler structure to process with greater amounts of data. This paper explores the network architecture of 4g 4th generation and lte long term evolution wireless technologies, the mobile standards used by these.
Amsterdam boston heidelberg london new york oxford paris san diego san francisco singapore sydney tokyo academic press is an imprint of elsevier. The mobile phone and subscriber identity module, the umts radio access network and, supporting voice with the circuit switched core network. Lte architecture and interfaces linkedin slideshare. The ebn sends and receives radio transmissions to all the mobiles using the analogue and digital signal processing functions of the lte air interface. 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. This keeps information about the users phone number, home network identity and security keys etc. 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. Lte lte advanced for mobile broadband pdf,, download. Lte 4g network architecture lte core network mobile. Lte 4g architecture and key business implications lf pau, prof. Technological advancements have paved the way to the evolution of mobile networks. The enodeb enb is the only network element in lte with the task of establishing radio communication with the user equipment ue a 4g capable mobile device and respectively with the epc mme, sgw over the transport layer.
Lte network infrastructure and elements lteencyclopedia. Physicalcommunication32010217244 219 table 1 lte, lte advanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul. Pdf mobile network architecture evolution 1g to 4g. Architecture and key features of lteadvanced networks article pdf available january 2012 with 11,841 reads how we measure reads. Lte presentation ppt lte telecommunication 4 g free. Typical mobile network architecture with mobile backhaul network portion highlighted.
The lte network called eps evolved packet system is an endtoend e2e all ip network. These technologies are often referred to as pre 4g or 3. Draft nistir 8071, lte architecture overview and security analysis. Lte architectural benefits key objectives of 4g lte networks are to support higher data rates, improve spectral efficiency, reduce network latency, support flexible channel bandwidths, and simplify or flatten the network by utilizing an all packet ethernetip architecture. 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. Feb 20, 2016 this video tutorial talks about lte architecture in detail to give holistic view of lte architecture. Architecture and key features of lte advanced networks. Le reseau d acces 4g est appele lte long term evolution of 3g ou eutran evolved utran. Not only was the radio access network improved for 4g lte, but the network architecture was overhauled enabling lower latency and much better interconnectivity between elements of the radio access network, ran. Comparision of 3g wireless networks and 4g wireless networks. The architecture of lte networks is given the technical term system architecture evolution or the corresponding abbreviations sae. It is used to increase the capacity and data transfer speed of mobile telephone networks used mainly for data communication. But while the physical handset may take centre stage, where would it be without that all important supporting cast, the mobile network.
Lte training long term evolution lte training courses. Nov 18, 2017 lte architecture basics 4g introduction this is the first part of the series lte architecture. Longterm evolutionsystem architecture evolution lte sae marketed as 4g specified by 3rd generation partnership project 3gpp is new mobile ge neration supersedes the 3. The architecture of lte network and working principle lte is a standard for wireless data communications technology and an evolution of the gsmumts standard. The difference between 2g, 3g, and 4g is their mobile network strength and network data speed.
Various lte definitions must be examined when designing a universal global mobile device. 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. We would like to show you a description here but the site wont allow us. Summary introduction to wireless lte 4g architecture and. Use of digital coding, modulation and communications. As lte systems are deployed in 2010 and 2011, their initial bandwidth requirements will likely be. Network architecture evolution from 4g to 5g netmanias. Article pdf available january 2012 with 12,082 reads. The presentation on lte long term evolution slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Difference between 3g and 4g technology with comparison. Volte sip handset sip support, uac, uas, user agent, sipua, underlying lte network dedicated bearer, qci, default bearer, ims core network sip servers, pcscf, icscf, scscf, tas, bgw, mrf, atcf, atgw, mgcf, pstn breakin or breakout calls. Umts forum umts forum, 2008 describes that from a technical point of view, the main objective of the lte project is to offer higher data rates for both down and uplink transmission. The use of mobile broadband services is accelerating at exceptional rates with increased applications such as gaming, social networking and video for mobile devices. A usim stores userspecific data very similar to 3g sim card.
355 1437 1540 1345 931 105 1022 600 800 1008 251 26 1234 1270 523 542 167 799 250 217 679 617 1200 158 1239 265 811 207 281 1147 493 846 1448 1575 656 197 841 559 807 680 2 422 773 507 1251 93 906 94 563 547