Impact on the overall network architecture including. 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 mbps. Umts overview david tipper associate professor graduate telecommunications and networking program university of pittsburgh 2720 slides 11. This keeps information about the users phone number, home network identity and security keys etc. 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. Lte architecture overview free download as powerpoint presentation. In this second part of 15 mins with 5g we will start looking at the 3gpp specifications for 5g network architecture and learn how to refer the specs. This architecture is defined as part of the system architecture evolution sae effort. This video explains lte meaning, full forms, speed and all important components of lte architecture like network, eutran, sae, epc, mme, hss, sgw, pgw, pdn, enb, enodeb etc category. There are few more components which have not been shown in the diagram to keep it. Volte service description and implementation guidelines.
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. Physicalcommunication32010217244 219 table 1 lte, lte advanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul. Long term evolution lte is the next generation 3gpp radio access network evolved umts terrestrial radio access network eutran system architecture evolution sae is the 3gpp next generation standard for mobile networks providing. The role of overview private lte in revolutionizing. The lte network architecture has been presented as the first document of the lte technical document series. This book focuses on lte with full updates including lte advanced to provide a complete picture of the lte system. The course includes the design goals and development schedule for 5g, the principles, design and implementation of the core and radio access networks of 5g. Evolution lte, the subject of this book, is a key enabling technology for delivering mobile broadband. Myung lte network architecture enb all radio interfacerelated functions mme manages mobility, ue identity, and security parameters. Nov 14, 2015 this video explains lte meaning, full forms, speed and all important components of lte architecture like network, eutran, sae, epc, mme, hss, sgw, pgw, pdn, enb, enodeb etc category. This document presents the lte network architecture as the first technical document of lte area. The 3rd generation partnership project 3gpp is an umbrella for a number of standards organizations which develop protocols for mobile telecommunications. Allip, simplified network architecture new, allip mobile core network introduced with lte endtoend ip allip clear delineation of control plane and data plane simplified architecture. It also provides a look at the evolution to a dataonly lte network and includes a discussion of.
Draft lte architecture overview and security analysis. Overview long term evolution lte is the next step forward in cellular 3g services. So, in post, a comprehensive overview of the network architecture and basic working principle of lte network is going to be discussed. Evolution system architecture evolution ltesae towards ubiquitous. This chapter provides a short introduction to the voice over longterm evolution volte. Comparison 1g 2g 3g 4g 5g period 1980 1990 1990 2000 2000 2010 2010 2020 2020 2030 bandwidth 150900mhz 900mhz 100mhz 100mhz x bw pr. A primer on 3gpp narrowband internet of things nb iot. The paper also briefly touches the bearer establishment procedure. Feel free to forward this message to any associates you think may be interested. In order to simplify protocol architecture, lte brings some major changes to the existing umts protocol concepts. A usim stores userspecific data very similar to 3g sim card. It will not completely substitute the manual configuration and. Mar 26, 2012 thus, in order to achieve the goals, the architecture of the network if different from the previous wireless data transfer network, gprs. The lte network architecture computer science university of.
Sae system architecture evolution is the corresponding evolution of the gprs3g packet core network evolution. The first deployments were simply known as lte, but later deployments were designated 4g lte advanced and later still 4g lte pro. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low. Architecture overview lte requirements wcdma architecture eps overview network components eps nodes mme mobility management entity nas signaling emm, esm and security, as security, tracking area list management, pdn gw and sgw selection, handovers intra and interlte, authentication, bearer management. Lte sae architecture and concepts have been designed for efficient support of massmarket usage of any ipbased service. Lte and related 4g standards, including lte advanced and lte. 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. Weve kicked off our project and we have our schedule, which provides you with an overview of the scope without compromising the privacy of our customer. The lte network architecture explained in this document applies to a lte only network provided by a single operator and thus has. Network architecture with private lte usually includes onsite servers, enabling organizations to keep traffic between iot devices and corporate servers on the wireless lan instead of the public internet. Lte provides a packet switched model at the sap, but retains a circuit switched model at the phy.
Long term evolution lte system architecture evolution sae adding mobility towards iwlan and non3gpp air interfaces. 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 lte advanced 4g carrieraggregation comp relay mimo a b s t r a c t thispaperprovidesanindepthviewonthetechnologiesbeingconsideredforlong termevolutionadvanced lte advanced. Feb 20, 2016 this video tutorial talks about lte architecture in detail to give holistic view of lte architecture. The course also describes emerging 5g technologies as defined by 3gpp. We cannot guarantee that 4g lte lte advanced for mobile broadband book is in the library, but if you are still not sure with the service, you can choose free trial service. 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. Lpp is similar to protocols such as rrc, rrlp, and is801 already deployed in 2g and 3g networks2 time difference of arrival. Complete this form for a detailed course description course summary. The objective of this paper is to study, analyze, plan long term evaluation network overview such as lte specification, planning, lte architecture, related works, private work and conclusion. The paper introduces control plane and user plane architecture. Jul 10, 20 this document provides a brief overview of the lte network architecture as the first technical document of lte area.
The term lte is typically used to represent both lte and sae. Overview of lte radio interface and radio network architecture for high speed, high capacity and low latency. Long term evolution protocol overview nxp semiconductors. In order to read online or download 4g lte lte advanced for mobile broadband ebooks in pdf, epub, tuebl and mobi format, you need to create a free account. Lte have a significant effect on the operation of mobile devices. Endtoend ip and lte quality of service with application delivery prioritization within lte that extends from user equipment networks through lte and backhaul transport and into the packet data network. For the lte architecture to run typically and efficiently it. Lte long term evolution lwa lte wifi aggregation mac media. First,theevolutionfromthirdgeneration 3gtofourthgeneration4gisdescribedintermsofperformancerequirementsand.
Introduction to lte raj jain washington university in saint louis saint louis, mo 63. The long term evolution standard lte is a wireless communications, highspeed data standard for mobile phones and data terminals. The architecture of lte network and working principle. An overview of lte positioning 7 spirent white paper positioning architecture in lte networks positioning information exchange between the ue and the lte network is enabled by the lte positioning protocol. The technical paper utrautran long term evolution lte and 3gpp system architecture evolution sae is a good starting point initiated in 2004, the long term evolution lte project focused on enhancing the universal terrestrial radio access utra and optimizing 3gpps radio access architecture. Barth all rightsreserved2006, alcatel 15 network architecture for lte architecture for user plane traffic cost efficient 2 node architecture fully meshed approach with tunneling mechanism over ip transport network iu flex approach access gateway agw enhanced node b enb agw agw agw. In this chapter we provide an overview of the evolution of mobile communication. This is followed by an analysis of the threats posed 46 to lte networks and supporting mitigations. The reason why lte is designed only for packet switching is because. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. According to 3g patent platform 3gpp release 8, lte was introduced providing higher access rates and. In view of the fact that there are a number of differences between the operation of the uplink and downlink, these naturally differ in the performance they can offer. 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.
Pgw node that terminates the interface towards pdn. Radio imt advanced based on lte release 10 and beyond. If you continue browsing the site, you agree to the use of cookies on this website. 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. 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. Lte architecture and interfaces overview telecom hub. The presentation on lte long term evolution slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
Further, an nbiot anchor carrier should not be any of the middle 6 prbs of the lte carrier e. With unprecedented amounts of bandwidth to be unleashed in the data plane for new services, lte focused architecture is needed to ensure endtoend. This course is a technical introduction to the 5g network. Draft nistir 8071, lte architecture overview and security analysis. Lte protocol architecture lte protocol architecture around phy logical channels. This white paper provides an overview of alcatellucents perspective on evolved packet core and how alcatellucent is addressing radically new requirements imposed on data and control planes in lte. The mobile equipment comprised of the following important modules. Lte procedures on s1 and x2 interfaces are described in detail. 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 5g architecture working group as part of the 5gppp initiative is looking at capturing novel trends and key technological enablers for the realization of the 5g architecture. Lte a can aggregate up to 5 carriers to make up to 100 mhz 4. The lte network called eps evolved packet system is an endtoend e2e all ip network. Telecommunications network and service architectures.
According to different service requirements, fiberoptic cable availability and network resource allocations, ran real time and nonreal time resources can be deployed on the site or on the access cloud side. Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. Summary introduction to wireless lte 4g architecture and key. This paper provides an overview of ims, its architecture and applications from the perspective of the lte user equipment ue. Lte is mainly designed for high speed data applications both in the uplink and downlink. Umts long term evolution lte technology introduction. Jul 27, 2017 lte long term evolution is known as the evolution of radio access technology conducted by 3gpp.
In addition to lte, 3gpp is also defining ipbased, flat network architecture. Lte a meets and exceeds all requirements for 4g as specified in imtadvanced. Long term evolution lte is the next step forward in cellular 3g services. 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. Increased bandwidth endtoend ip simplified architecture. Barth all rightsreserved2006, alcatel 4 need for ps optimised system evolve umts towards packet only system need for higher data rates. This document provides a brief overview of the lte network architecture as the first technical document of lte area. Pdf 4g lte lte advanced for mobile broadband ebooks. First, the lte network reference model is defined and its basic evolved packet system eps entities and the functions of each entity are. 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. We will also cover 5g deployment scenarios from the specs as well as some of the informative web resources. Lte a has frequency reuse factor of 1 since spectrum is expensive, uses highorder mimo. We present an overview of the eutran radio interface characteristics and 4g network architecture elements. Lte standard has been published by 3gpp as an extension of umtsbased on 3gpp standard and 1xevdobase on 3gpp2 standard technologies.
The tutorial on lte also covers lte protocol stack, lte physical layer, lte network architecture and so on. The architecture is based on an evolution of the existing gsmwcdma core network, with simplified operations and. This document serves as a guide to the fundamentals of how lte networks operate 45 and explores the lte security architecture. 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. Lte does not support the subscriber identity module sim. Altogether, these factors give private lte inherent security advantages over wifi and help protect an organizations most critical. Lte phy overview gwanmo ku adaptive signal processing and information theory research group nov. Main functionalities of each network node are discussed in detail along with examples. Telecommunications network and service architectures principles, concepts and architectures.
Simple protocol architecture shared channel based ps mode only with voip capability. The physical layer itself maintains the continuous connection model, especially on the downlink, where there is continuous transmission. 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. The architecture of evolved packet core epc has been illustrated below. Its best known work is the development and maintenance of. Umts long term evolution lte technology introduction application note products. Physicalcommunication32010217244 219 table 1 lte,lteadvanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul. Fourth generation systems and long term evolution 148. Sgw node that terminates the interface towards eutran. This is the second installment in our lte live email series. This video tutorial talks about lte architecture in detail to give holistic view of lte architecture. This paper provides a short, but comprehensive, overview of the lte network architecture and interfaces. Basically, the lte standard only supports packet switching with its allip network. The highlevel network architecture of lte is comprised of following three main components.
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