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