Pdf a 5g architecture for the factory of the future. You just need to step outside to realize how much mobile phones have changed our lives. Type of information transferred transport channels. Mac multiplexes rlc links and manages scheduling and priority handling via logical channels. Enhancement of the utra optimisation of the utran architecture to ensure the continued competitiveness of the 3gpp technologies for the future lte was the first and only technology recognized by the next generation mobile network alliance to meet its broad requirements target deployment in 2010. Barth all rightsreserved2006, alcatel 4 need for ps optimised system evolve umts towards packet only system need for higher data rates. Better controlling and optimizing the network performance optimal investment efficiently building and maintaining competence over system releases. Tutorial basic step integration lte ericsson bravo telecommunication industry and community army of sky. Excellent video describing the evolved packet core used in lte networks.
Lte procedures on s1 and x2 interfaces are described in detail. Ltea can aggregate up to 5 carriers to make up to 100 mhz 4. Long term evolution lte tutorials lte video tutorial. As defined by 3gpp, lte layer 2 structure consists of pdcprlcmac layers. A good architecture forms the foundation of successful networks. 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.
Architecture would mean a collection of things, in this case equipment connected together. The network architecture enables the most innovative platform for the communication ecosystem. Christopher cox is a professional technical trainer and consultant in mobile telecommunications. In section iv we describe how the architecture integrates into existing frameworks. The paper introduces control plane and user plane architecture. Simplifying the 5g ecosystem by reducing architecture. Sae system architecture evolution is the corresponding evolution of the gprs3g packet core network evolution. The lte architecture consists of lte eutran and lte evolved packet coreepc. Lte standard has been published by 3gpp as an extension of umts based on 3gpp standard and 1xevdobase on 3gpp2 standard technologies.
The term lte is typically used to represent both lte and sae. Lte a can aggregate up to 5 carriers to make up to 100 mhz 4. Figure 1 shows the 5gs architecture for epc5gc tight interworking. Transport channels are located between the physical layer and mac layer. He is an expert in the technical and radio network planning aspects of lte and umts, and regularly delivers training courses about them to audiences drawn from equipment manufacturers, network operators and consultancies worldwide. Lte is mainly designed for high speed data applications both in the uplink and downlink. Long term evolution lte is explicitly designed to deliver highspeed, high quality services to mobile subscribers. The 3gpp evolution for the 3g mobile system created the new base station system, called evolved umts terrestrial radio access network eutran and a new core network, called evolved packet core epc as a result of two standardisation projects. Continuing our 3g partnership into lte, the alcatellucent endtoend lte solution provides. Evolved packet gateway epg ericsson lte technology leadership ericsson is the worlds leading provider of technology and services to telecom operators. Section iii summarizes the use cases considered in 5gang and maps them onto the use cases found by 3gpp. Telecommunications network and service architectures. The various synchronization needs, the available synchronization solutions, and their applicability to small cells deployed in long term evolution lte timedivision duplex tdd and lte frequencydivision duplex fdd networks are discussed in this article. How the information is transferred 925 radio resource control rrc medium access control mac physical layer phy logical channels transport channels control measurements layer 3 layer 2 layer 1.
The diagrams below show the structure for the downlink and uplink of layer 2. Lte protocol architecture lte protocol architecture around phy logical channels. Basic lte architecture video eutran, enodeb, epc, sgw, pgw, mme, hss, pdn by telcoma global telcoma global. Lte evolved packet system architecture lte enables you to redefine the enduser experience with the most advanced packetbased solution in the industry. The network architecture needs to provide for various types of functionality and at. Theoretical and practical throughputs of lte system are analyzed. This page describes lte network architecture with system elements. Physicalcommunication32010217244 219 table 1 lte, lte advanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul.
Lte network architecture evolution aalto university. The lte network architecture explained in this document applies to a lte only network provided by a single operator and thus has. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low. Lte release 10 extends the capabilities of lte in several respects. Lte long term evolution is known as the evolution of radio access technology conducted by 3gpp. Figure 4 flat architecture of long term evolution and system architecture evolution. Lte architecture, lte system architecture, lte components this page offers information about long term evolution lte, its architecture and components. Lte a has frequency reuse factor of 1 since spectrum is expensive, uses highorder mimo. Jan 16, 2011 the presentation on lte long term evolution slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Thus, in order to achieve the goals, the architecture of the network if different from the previous wireless data transfer network, gprs. Lte sae architecture and concepts have been designed for efficient. An introduction to long term evolution lte by robert nibarger and mallorie teubner.
If you continue browsing the site, you agree to the use of cookies on this website. Mec architectural implications for lteltea networks. First, the lte network reference model is defined and its basic evolved packet system eps entities and the functions of each entity are. The physical layer itself maintains the continuous connection model, especially on the downlink, where there is continuous transmission. So i guess lte architecture would mean the connection layout between all the equipment that lte uses in the core and eutran network. References roger l freeman, fundamentals of telecommunications, 2nd edition, wiley 2005. Lte presentation ppt free download as powerpoint presentation. Ltesae architecture and concepts have been designed for efficient. Tutorial basic step integration lte ericsson youtube. Ltesae longterm evolution system architecture evolution systems. A 5g architecture for the factory of the future stephan ludwig, michael karrenbauer y, amina fellan, hans d. Basic lte architecture video eutran, enodeb, epc, sgw. Ericssons portfolio of base stations and core network products can be upgraded to. If a user is roaming home subscriber server hss is always in the home network the mobile, eutran, mme and sgw are always in the visited network pgw can be in two places home routed traf.
For this reason, lte release 10 is also referred to as lteadvanced, although it is important to emphasize that lteadvanced is not a new radioaccess technology, but simply the name given to lte release 10 and beyond. Barth all rightsreserved2006, alcatel 25 system architecture evolution objectives new core network architecture to support the highthroughput lowlatency lte access system simplified network architecture all ip network all services are via ps domain only, no cs domain. 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. Technical overview of 3gpp lte indian institute of. 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. So, in post, a comprehensive overview of the network architecture and basic working principle of lte network is going to be discussed. Lte evolved from an earlier 3gpp system known as the universal mobile telecommunication system umts, which in. Lte a meets and exceeds all requirements for 4g as specified in imtadvanced. Puente, konstantinos samdanis, and bessem sayadi lte advanced pro the authors discuss 3gpp eps mobile network evolution as a whole, analyzing specific architecture. The 5gang consortium 212, which is a collaboration between industrial and academic partners, has defined a 5g system architecture suitable for the smart factory, while a hierarchical. Lte longterm evolution m2m machinetomachine mac medium access control mcr mobile cloud robotics. Lte a has been tested to show that the download and upload speeds are around two to three times faster than standard lte.
Lte a improves upon the radio technology and architecture of lte. Furthermore, ran radio access network roundtrip times shall be. Mobile network architecture evolution toward 5g peter rost, albert banchs, ignacio berberana, markus breitbach, mark doll, heinz droste, christian mannweiler, miguel a. 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 evolved system, but now this has become known as the evolved. The spectrum is also able to support many protocols including lte for mobile phones and devices. 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. Executive summary this paper provides a comprehensive overview of the network architecture of a long term evolution lte system according to the release 8 version of the specifications. The next migration step is to combine the full epc and 5gc functionality into a dualmode packet core.
Lte architecture and interfaces overview telecom hub. Also this paper tries to present the advantages why operators are. Lte provides a packet switched model at the sap, but retains a circuit switched model at the phy. Feb 08, 2016 ims ip multimedia subsystem is a standalone system which resides out of the lte network and connected to pdn gateway through sgi interface. Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. 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.
Wcdma and ltewcdma and lte synchronization aspectssynchronization aspects the 6th international telecom sync forum, itsf munich, november 2008. It describes the role of the enodeb in the network and key concepts such as. During the last two years we have also seen a new trend with several very large deals between mobile and cable network operators in europe. Jul 10, 20 this document provides a brief overview of the lte network architecture as the first technical document of lte area. The lte network architecture strategic white paper 1 1. Tarmo anttalainen, introduction to telecommunications, network engineering, 2nd edition, artech house, 2003. Lte, the long term evolution systems is the major milestone in stepping towards 4g evolution. Lte includes an fdd frequency division duplex mode of operation and a tdd time division duplex mode of operation. The endtoend architecture of the lte network and different deployment scenarios are presented. Course contents historical vision lte capabilities system architecture 3.
Issue briefs are designed for practitioners with limited time and a need to know about the latest industrybased knowledge. The radio access network will evolve to eutran evolved umts terrestrial radio access network, and the correlated core network will evolved to sae system architecture evolution. Moreover, the lte coverage and link budget aspects are discussed in details. Lte phy overview electrical and computer engineering. Lte is the major technology for future mobile broadband convergence of 3gpp and 3gpp2 technology tracks convergence of fdd and tdd into a single technology track. Network architecture functional and physical domains ericsson. Lte standard has been published by 3gpp as an extension of umtsbased on 3gpp standard and 1xevdobase on 3gpp2 standard technologies. Volte roaming is deployed with the s8 home routing architecture which expands on and reuses the lte data roaming architecture. Hospitality technology next generation citizens broadband radio service cbrs white paper 30 september 2018 version 1.
Future communication network architecture evolution ericsson. Lte tdd which is also referred to as td lte provides the long term evolution path for tdscdma based networks. The video describes the roles played by the major lte components. Over the past few decades, cellular services have gained phenomenal evolution and progress in every aspect such as subscribers, data rates, services, etc. Umts long term evolution lte technology introduction. Lte tutorial tutorial on lte basics rf wireless world. Long term evolution lte system architecture evolution sae adding mobility towards iwlan and non3gpp air interfaces. This document provides a brief overview of the lte network architecture as the first technical document of lte area. As a consequence we need to increase what we are able to do with these socalled smartphones. The creation of a combined 4g5g network requires careful planning and a holistic strategy, as the. The ability to support other industries is a major challenge for communication service providers going forward.
The lte network architecture has been presented as the first document of the lte technical document series. Lori blair ericsson sandra bullock cheytec telecommunications jay hackin hyatt hotels corporation. Ericsson lte now delivers gigabit speeds to more than ten markets worldwide, adding capacity and cutting timetocontent, for a network that keeps one step ahead of its customers. System architecture for 3gpp lte modem using a programmable. Outline 1 introduction 2 lte architecture 3 lte radio interface 4 multimedia broadcastmulticast service 5 lte deployment considerations 6 work related to video streaming 7 conclusions ahmed hamza long term evolution lte a tutorial october, 2009 2 48. Physicalcommunication32010217244 219 table 1 lte,lteadvanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul. Lte network architecture evolution ville eerola helsinki university of technology ville. Lte eps architecture overview lte long term evolution. Schotteny, henning buhrz, savita seetaraman z, norbert niebert, anne bernardyx, vasco seelmann x, volker stich, andreas hoell. As the undisputed leader in lte development and standardization, ericsson is the most trusted, most proven provider of standardscompliant lte technology. The tutorial on lte also covers lte protocol stack, lte physical layer, lte network architecture and so on.
In order to achieve this, the lte network architecture introduces a number of new network nodes and interfaces to implement the necessary functionality and manage the exchange. Ltesae architecture and performance semantic scholar. An important feature in lte is its adoption of radio resource management rrm procedures which. Lte stands for long term evolution and it was started as a project in 2004 by telecommunication body known as the third generation partnership project 3gpp. There is an increasing interest among some of the leading operators to acquire the necessary infrastructure to become and endtoend. The presentation on lte long term evolution slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
System architecture evolution national chengchi university. Massive mimo and multiuser mimo beamforming as part of cloud ran split baseband architecture works with todays ericsson radio system baseband 56 times capacity compared to 8t. Lte 4g network architecture lte core network mobile. This keeps information about the users phone number, home network identity and security keys etc. First, the lte network reference model is defined and its basic evolved packet system eps entities and the functions of each entity are described. The mobile switches of a gsm network may also be replaced by an ngn architecture which is called r4 architecture. People have this need to stay connected all the time and new, faster, better performing mobiles are constantly being released. System architecture for 3gpp lte modem using a programmable baseband processor di wu, johan eilert and dake liu department of electrical engineering, link. Ericssons 5g mobile perspective ericsson ab 2015 201602 24 page 3 5g spectrum and radio access evolved access new access nx. Basically a pictorial layoutconnection diagram of various equipment used in lte. The highlevel network architecture of lte is comprised of following three main components. Lte long term evolution m2m machinetomachine mac medium access control mcr mobile cloud robotics. A usim stores userspecific data very similar to 3g sim card.
With this continued strong evolution lte steadily paves the way for 5g while reusing the installed base. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. Hspa and lte by combining the sgsn and the mme in the. Ltea meets and exceeds all requirements for 4g as specified in imtadvanced. Long term evolution protocol overview nxp semiconductors.
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