Technical overview of 3gpp lte indian institute of. Lte epc fundamental part 1 free download as powerpoint presentation. The device or ue needs to let the core networks know that it is switched on and active. Evolved packet core epc is a framework for providing converged voice and data on a 4g longterm evolution lte network. Simplified epc one mme and one sgw sgw and pgw in the same node no s5s8 interface focus on connected mode rrc connected, emm registered, ecm connected some important design choices nicola baldo the lena ns3 module 4. That is why we have organized the lectures in a way that students can quickly understand concepts. This course is designed to provide students with indepth information regarding lte epc architecture. Lte traffic generation and evolved packet core epc. Ive been studying lte since about 20, but the last couple of months building and configuring lte components in the lab have taught me about as much as the prior years combined. It is the most widely deployed 3gpp technology and its adoption has been the fastest compared to its predecessors 2g, 3g. Evolved packet core epc in 4g lte networks by telcoma. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. A logical node controlling qos see8 and charging in user data transfers. Overview of lte radio interface and radio network architecture for high speed, high capacity and low latency special articles on xi crossy lte servicetoward smart innovation lte radio interface and radio network architecture high data ratehigh capacitylow latency 1.
A tutorial on the funtionality by jatinder jasbir singh. Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. 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. Indeed these contribute strongly to lte meeting its performance targets. 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. 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. Lte traffic generation and evolved packet core epc network. The evolved packet core communicates with packet data networks in the outside world such as the internet, private corporate. Ericsson can simplify the core network evolution journey, from epc to 5g core. Umts evolved packet core epc network tutorialspoint. Checking that the whole lte model works properly validation tests. Virtualized evolved packet core for lte networks vepc vepc is a simple virtualized form of long term evolution evolved packet core lte epc.
A more advanced epc architecture for lte reference 1. This document presents the lte network architecture as the first technical document of lte area. Aug 09, 2018 evolved packet core epc is a framework for providing converged voice and data on a 4g longterm evolution lte network. Alcatellucent 5620 service aware manager release 8. This presentation slides are intended to give detail introduction of lte epc network to the participants. The module discusses the benefits and drivers behind moving to 4g lte solution from a service provider and customer perspective. Long term evolution signaling flows and tutorials for lte protocol layers. This keeps information about the users phone number, home network identity and security keys etc. 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. An outlook of the evolution of lte toward lte advanced and full imtadvanced capabilities complete the article. A tutorial on the functionality on core network mobility jatinder jasbir singh, m. 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.
Epc components serving gateway sgw, pdn gateway pgw mobility management entity mme, policy and charging control function pcrf 4. The epc is the latest evolution of the 3gpp core network architecture. Introduction to lteepc eps network with comparison with. Hence to support voice over lte there are two options.
This tutorial has been designed for audiences with a need to understand the lte technology basics in very simple terms. This lte tutorial covers lte basics, lte features, lte air interface, lte channels and lte frame structure. Openairinterface 5g overview, installation, usage florian kaltenberger oai workshop, bupt, 27. Note that ive kept it as simple as theoretically possible. It resides out of the lte network and connected to pdn gateway through sgi interface. Lte specifications are very stable, with the added benefit of enhancements having been introduced in all subsequent 3gpp releases. Sae system architecture evolution is the corresponding evolution of the gprs3g packet core network evolution.
The term lte is typically used to represent both lte and sae. Pdf lteepc system overview pawan shishodia academia. Lte and epc test an overview of test concept and tools for trials. It also includes multiple test cases based on ixias ixload application. 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. Following diagram shows the functional split between the eutran and the epc for an lte network. Lte core functions and service procedures core network functions. A usim stores userspecific data very similar to 3g sim card. Lte and epc testan overview of test concepts and tools. Unleashing the potential of opensource in the 5g arena. 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.
This lowers the network deployment and maintenance cost. Consists of an evolved packet core epc and evolvedutran eutran. Main functionalities of each network node are discussed in detail along with examples. Moving 4g epc to the cloud lte long term evolution. Mobility management entity overview ciscomobilitymanagemententitymmeiscriticaltothenetworkfunctionofthe4gmobilecorenetwork, knownastheevolvedpacketcore epc. Lte or long term evolution is defined as a base for highspeed wireless communications for data terminals and mobile devices that are based on the gsm, cdmawcdma, umtshspa, and edge technologies. Epc also fulfills the requirements for security, qos. This tutorial emphasizes the impacts of ims over the eps access network. Lte identifiers presentation lte signaling protocol define a large number of identifiers for ues, rabs and signaling endpoints. Increased bandwidth endtoend ip simplified architecture. Lte tutorial covers data rates, ofdma, mimo, mobility. The idea of ims is old, but after its deployment with lte users and operators can harness the true power of ims.
Lte both radio and core network evolution is now on the market. Long term evolution evolved packet core lteepc ixia. Ralph stephen gibbs long term evolution lte is next generation mobile broadband technology, which promises to offer significantly higher data rates, better quality, and more economical. Lte or long term evolution is defined as a base for highspeed wireless communications for data terminals and mobile devices that are based on the gsm, cdmawcdma, umtshspa, and edge. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low. Wisdom jobs let you make decisions that benefit your longlife career. A concatenation of policy decision function pdf and charging rules function. Epc integration with policy and charging architecture. Enabling network programmability in lteepc architecture using openflow conference paper pdf available may 2014 with 1,216 reads how we measure reads. Evolved packet core epc is an all ip core network architecture through which lte and other 3gpp and non3gpp access networks connects. No circuit switched components new approach in the interconnection between radio access network and core network imspdn epc eutran lteue. Simplified epc one mme and one sgw sgw and pgw in the same node no s5s8 interface. By selecting lte job as your career, you can surpass your limitations.
Nov 19, 20 part of my indevelopment course on the the evolved packet core. It simulates the working of a typical epc for handling signaling and data traffic. Core network cn, called evolved packet core epc in sae. So many courses and books just bombard you with the theory. Yogendra shah, senior director, interdigital communications. The lte network called eps evolved packet system is an endtoend e2e all ip network. Feb 04, 2014 this presentation slides are intended to give detail introduction of lte epc network to the participants. The highlevel network architecture of lte is comprised of following three main components. Do you want to work as professional at a high standard organization.
Lte and epc test an overview of test concept and tools for. This video provides an example of the registration procedure. This video tutorial talks about lte architecture in detail to give holistic view of lte architecture. Evolved packet core epc network equipment for long term. The contents of the present document are subject to continuing work within the. Indeed, some operators have already started services with this latest technology. Introduction to lte raj jain washington university in saint louis saint louis, mo 63. Lte is all ip based network and mainly designed for internetdata applications. This document covers the long term evolution lte wireless technology. The tutorial on lte also covers lte protocol stack, lte physical layer, lte network architecture and so on. Long term evolution lte and system architecture evolution sae.
Release 8 was frozen in december 2008 and this has been the basis for the first wave of lte equipment. This goes over the eps in general, describing each component. The goal of simulating this example is to simulate the lte x2 based handover, and to explore the performance evaluation of a longrunning tcp. Lte epc fundamental part 1 lte telecommunication high. Lte tutorial presentation lte presentation with audio narration. This volte tutorial covers volte voice over lte basics, types of volte which include volte using imsvoip and volte using csfbsrvcc. The presentation covers the imsi, guti, gummei, imeisv, rnti, tai and apn. This section is an essential resource for 5g and lte application developers who want to learn how to quickly create user applications that produce, encode, decode, and process messages that conform to the 3gpp ts 24. Lte is allip advanced core architecture proposed in release 8 of 3gpp to only process packets. Evolved packet core epc network equipment for long term evolution lte toshiki hayashi long term evolutionevolved packet core lteepc is a system that will follow on from the 3g mobile system and mobile operators around the world are planning to use it. Llttee qquuiicckk gguuiiddee llttee oovveerrvviieeww lte stands for long term evolution and it was started as a project in 2004 by telecommunication.
Ofdm basics, lte channels, signaling procedures and mimo are covered. Introduction to evolved packet core epc and evolved packet system eps 2. May 18, 2018 with an endgame defined by a dual mode core network for both 5g epc and 5g core. In gsm, the architecture relies on circuitswitching cs. Designing to evolving lte advanced pro and pre5g requirements practical deployment considerations dr. The epc and sgsn support mobility management between the lte and 3g access systems, and. As part of the upgrade an evolved packet core, epc was developed to ensure that the packet data was routed as efficiently as possible. Introduction to evolved packet core to cvtdallas online. The lte network architecture computer science university of. Lte and epc testan overview of test concepts and tools for trials 3 specific lte test areas overview creating an overall framework for the testing, evaluation, and optimization of lte and sae is a large and complex topic this document provides a starting point that covers the topic at a relatively high level. The document presents a general overview of lte technology market followed by a focused discussion on evolved packet core epc testing. The ns3 lte module by the lena project nicola baldo nicola. 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.
The university of texas at arlington, 2010 supervising professor. Frequency division duplexing fdd and time division duplexing tdd both paired and unpaired. Numerical simulations are used to show the performance of the first release of lte, as well as assess the benefit of the key features. Policy and charging rules function pcrf in lte epc core. Core network evolution from epc to 5g core made easy ericsson. Did you set your sights on telecommunication filed. Epc is a whole new core network with a flat, allip based architecture. The presentations are accompanied with an audio narration. Alcatellucent assumes no responsibility for the accuracy of the information presented, which is. Ghobad heidari, president, ghb intellect cary david snyder, mobile fronthaul architect, e2e5g. The epc consists of mme, sgw, pgw and pcrf functions for performing authentication, mobility management, bearer control, charging and qos control. This document is originally edited by justin ma and it is free to share to everyone who are interested. Lte tutorial tutorial on lte basics rf wireless world.
This tutorial will give you enough understanding on lte technology from where you can take yourself at higher level of expertise. Lte traffic generation and evolved packet core epc network planning by dima dababneh, b. Lte evolved packet core epc the lte epc consists of mme, sgw, pgw, hss and pcrf. Where fragmented hybrid core networks can slow down 5g introductions, decrease agility and increase opex. In this tutorial, participant will be getting introductory knowledge of mobile internet core gprs network with lots of demonstrations and explanatory graphs of how internet works for mobile network and than with detail comparison of lte epc network.