Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. Audience this tutorial has been designed for audiences with a need to understand the lte technology basics in very simple terms. 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. Lte architecture basics 4g introduction this is the first part of the series ltearchitecture. 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. Sumit thakur uncategorized lte ppt power point presentation pdf. Lte tutorial tutorial on lte basics rf wireless world. This document presents the lte network architecture as the first technical document of lte area.
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. Lte is a 4g wireless communications standard developed by the. The lectures also cover channel mapping and ue categories. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g.
The very basic architecture of evolved packet core epc has been illustrated below. Lte advanced architecture lte advanced protocol stack. New challenges for mvnos using 4g lte biggest mvno problems to overcome want to offer the latest smart devices to compete want to offer the latest 4g lte services need to operate with mnos already migrating to 4g lte security across 4g lte mno boundaries seamless roaming for their subscribers to 4g lte networks. The mobile equipment comprised of the following important modules. The lte network called eps evolved packet system is an endtoend e2e all ip network. Lte identifiers presentation lte signaling protocol define a large number of identifiers for ues, rabs and signaling endpoints. 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. Basic lte architecture video eutran, enodeb, epc, sgw. Volte ims architecture ims core cscf, tas, mrf, bgw. The presentation on lte long term evolution slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Lte basic training document high speed packet access. In wcdma there are a total 18 sibs and in most case we used at least sib1,3,5,7,11 even in very basic configurations. Nov 18, 2017 lte architecture basics 4g introduction this is the first part of the series lte architecture. Fourth generation systems and long term evolution 148.
Lte advanced protocol stack consists of user plane and control plane for as and nas. Mib in lte has very minimal information this is a big difference from wcdma mib. 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. Basically a pictorial layoutconnection diagram of various equipment used in lte. Ts sampling time is expressing the basic time unit for lte, corresponding to a. The user equipment or ue is a major element of the overall 3g umts network architecture. The highlevel network architecture of lte is comprised of following three main components.
Named as lte long term evolution, the 4g system architecture is made up of an epc. Lte basic parameters in lte tutorial 06 may 2020 learn lte. Volte tutorial this voice over lte beginners guide will help you to understand the fundamentals of ip based voice communication in the 4g lte network. This lte tutorial for beginners is very useful to learn basic knowledge on lte and lte advanced technologies. In addition to lte, 3gpp is also defining ipbased, flat network architecture. 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.
This is followed by lectures that cover lte frequency bands, ofdm, ofdma, scfdma and lte signaling. The result of the lte workshop was that a study item in 3gpp tsg ran was created in december 2004. If you continue browsing the site, you agree to the use of cookies on this website. Ltesae architecture and concepts have been designed for efficient support of massmarket usage of any ipbased service. Lte fully abbreviated as longterm evolution is a technology involving firstgeneration 4g cellular networking. 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. Ue may be a smartphone, tablet or other communication devices. So i decided to write a post which can be visuallize the details of overal lte networks with various different angle so that we can explicitely point of the points on which both parties focus. Lte basic parameters in lte tutorial 06 may 2020 learn.
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 gsmumts standard. Lte basic training document free download as powerpoint presentation. Lte basic parameters in lte lte basic parameters in lte courses with reference manuals and examples pdf. Part 03 ofdma and downlink frame structure details. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low.
The architecture is based on an evolution of the existing gsmwcdma core network, with simplified operations and. 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. The most frequent difference that i noticed were the different point of observation in overall network architecture and different level of the details. Lte 4g network architecture lte core network mobile.
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. Volte service description and implementation guidelines. 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. Dimensioning of lte network description of models and tool, coverage and capacity estimation of 3gpp long term evolution radio interface abdul basit, syed masters thesis submitted in partial fulfillment of the requirements for the degree of masters of science in technology espoo, february, 2009. Lte advanced architecture for eutran consists of pgw,sgw,mme,s1mme,enb,henb,henbgw, relay node etc. Architecture would mean a collection of things, in this case equipment connected together. The long term evolution standard lte is a wireless communications, highspeed data standard for mobile phones and data terminals. But before we jump into the architecture we need to understand what gave rise to the need of lte. Lte network architecture in lte tutorial 05 may 2020 learn. The tutorial on lte also covers lte protocol stack, lte physical layer, lte network architecture and so on. Ofdm basics, lte channels, signaling procedures and mimo are covered.
In order to meet the requirements for lte networks, the evolved utran e utran architecture has been improved dramatically from the 3g3. Sae system architecture evolution is the corresponding evolution of the gprs3g packet core network evolution. However it is essentially the handset in the broadest. Lte architecture, lte system architecture, lte components this page offers information about long term evolution lte, its architecture and components. The physical layer is driven by ofdma in the downlink and scfdma in the. Ltem and nbiot crash course is a 2day customized lte training centers around fundamentals of lte get to innovation concentrating on ltem and nbiot. 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. Get the best seminar report on volte technology with volte ppt and tutorials, diffrence between volte and voip, architecture diagram for engineering and projects. This page covers lte advanced architecture and lte advanced protocol stack. The lte network architecture computer science university of. If you want to know what ltesae long term evolution system architecture evolution is, this course will give you an overview of the new radio technology and protocols involved in the eutran evolved utran, also referred to as lte and the architecture behind.
It based on the original 3g technologies having the ability to reach the speed up to 100 mbits with a muchreduced latency. It describes the role of the enodeb in the network and key concepts such as. 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. Gsm association nonconfidential official document v1.
The following architecture diagram shows epc, ims and the interface between them. Lte advanced architecture for eutran consists of pgw, sgw, mme, s1mme, enb, henb, henbgw, relay node etc. Lte evolved from an earlier 3gpp system known as the universal mobile telecommunication system umts, which in turn evolved from the global system for mobile communications gsm. Lte basic training document high speed packet access lte. Architecture and key features of lteadvanced networks article pdf available january 2012 with 12,082 reads how we measure reads. 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. In lte, number of sib is small and none of them are segmented. And some of the wcdma sibs like sib5 and 11 has multipe segments. Lte does not support the subscriber identity module sim used by earlier releases of. Basic 3 when a ue attaches an lte network, an hss delivers key information needed for authentication and user profile to an mme. Lte vs nlte lte each volume element separately in thermodynamic equilibrium at temperature tr 1.
Basic lte architecture video eutran, enodeb, epc, sgw, pgw. Jun 02, 2016 basic lte architecture video eutran, enodeb, epc, sgw, pgw, mme, hss, pdn by telcoma global. Basic netmanias enposttechdocs5904ltenetworkarchitectureltenetworkarchitecturebasic. These components are described as the earthquake and tsunami warning system etws, the equipment identity register eir and policy control and charging rules function pcrf. 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. Understanding the basic structure of the 4g lte network knowing basic equipment used in the network and their applications knowing the basic regulations in the test of 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. Lte was the 4g successor to the 3g umts system which was developed to provide a further evolution of the mobile telecommunications system available. Basic lte architecture video eutran, enodeb, epc, sgw, pgw, mme, hss, pdn by telcoma global. Mar 05, 2018 volte ims architecture in simplified way.
While legacy networks employed a hierarchical architecture, eutran uses a flat architecture. Ng radio access network ng ran 61 figure 2 overall ngran architecture. Summary introduction to wireless lte 4g architecture and key. Get the best seminar report on volte technology with volte ppt and tutorials, diffrence between volte. This lte tutorial covers lte basics, lte features, lte air interface, lte channels and lte frame structure. It provides the basic bit transmission functionality over air.
Then, the mme, the brain for the lte access network, authenticates the ue and generates an eps bearer based on the user profile subscribed qos information. Similar architecture as the macro cell base station optical fiber and cat5e lan cable advantage no rf cable, no loss. The term lte is typically used to represent both lte and sae. Lte network architecture in lte tutorial 05 may 2020. Volte, voice over lte is an imsbased specification.
Lte tutorial presentation lte presentation with audio narration. In order to simplify protocol architecture, lte brings some major changes to. The architecture of lte network and working principle lte is a standard for wireless data communications technology and an evolution of the gsmumts standard. Providing much higher data speeds and greatly improved performance as well as lower operating costs, the scheme started to be deployed in its basic form around 2008. 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 functions of the enb in eutran systems include not only base station nodeb functions to. User equipment ue ue is a mobile terminal authorized to be used in an lte network. Lte standard has been published by 3gpp as an extension of umtsbased on 3gpp standard and 1xevdobase on 3gpp2. So i guess lte architecture would mean the connection layout between all the equipment that lte uses in the core and eutran network. The presentation covers the imsi, guti, gummei, imeisv, rnti, tai and apn.
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