As shown in the figure above in lte called eutran comprised of more than one enodeb. Alcatellucent, as the leading partner will provide etisalat with a complete endtoend high leverage network solution including lte base stations enodebs, allip wireless evolved packet core epc, a converged endtoend network management solution and a range of professional services including project management, planning, installation, commissioning and integration. Epc addresses lte requirements to provide advanced realtime and mediarich services with enhanced quality of experience qoe. Pdngw is also the point of communication between eutra and non3gpp services like the internet. Packet gw, capacity, throughput optimization for ip traffic and services handover tofrom non3gpp access technologies e. The evolution of the core network, or evolved packet core epc, is a. The epc consists of the mobility management entity mme1, serving gateway sgw2, packet data network gateway pgw3, and policy and charging rules function pcrf4. The main component of the sae architecture is the evolved packet core epc, also known as sae core. The enbs are interconnected with each other by means of the x2 interface.
Import data and price of evolved packet core zauba. Oct 18, 2010 introduction to evolved packet core 1. Introduction to evolved packet core linkedin slideshare. Evolved packet core epc, which was specified at the same time as lte 3gpp release 8, as the core network to accommodate lte and other radio access systems 1. Evolved packet core epc is a framework standardized in release 8 of the 3gpp for giving data and converged voice on a network based on 4g lte. The gateway is the evolved packet data gateway epdg which is part of the 3gpp iwlan platform. This article looks at the evolved packet core epc, the core network of the lte system, giving an overview of the. Evolved packet core how is evolved packet core abbreviated. Nfvbased lte core in the cloud open networking foundation. Evolved packet core epc for communications service providers. Introduction to evolved packet core epc and evolved packet system eps 2.
The radio access part consists of a mesh network of radio base stations, evolved node b enode b, while the epc is an allip mobile core network for lte, allowing the. Learn 4g lte evolved packet core epc network duration. Evolved packet core is based on a constant network connection or an alwayson connection. This tutorial emphasizes the impacts of ims over the eps access network. With a distributed cloud infrastructure, it is logical to redesign core network functions to take advantage of this asset to meet the strict latency requirements of 5g services and efficiently manage data traffic. 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. Comparision of 3g wireless networks and 4g wireless. Evolved packet core engineer contract 6 months dublin previous core design experience including performance and capacity management design and deployment experience of key network systemsnodes through the full delivery lifecycle from initial design to full operation knowledge of epcimslte architecture, interfaces and procedures, with understanding of key lte associated technologies. Evolved packet core epc for communications service. Network architecture functional and physical domains ericsson. Click on document sae and the evolved packet core driving the mobile broadband revolution shabnam sultana. The enbs are also connected by means of the s1 interface to the epc evolved packet core. Lte is allip advanced core architecture proposed in release 8 of 3gpp to only process packets. Date hs code description origin country port of discharge unit quantity value inr per unit inr mar 17 2016.
Can accommodate other radio access networks such as. The mme is the controlplane function for eutran access. The epc will serve as the equivalent of gprs networks via the mobility management entity, serving gateway and pdn gateway subcomponents. The evolved packet core communicates with packet data networks in the outside world such as the internet, private corporate networks or the ip multimedia subsystem. The lte architecture defines the evolved packet system eps as a combination of the lte access system radio part and an ipbased core network, the evolved packet core epc.
Ims will be able to use 5g core via new servicebased interfaces sbi as an alternative to legacy diameter interfaces. Core network cn, called evolved packet core epc in sae. Network functions virtualization nfv for mobile networks andreas g. The architecture, in comparison to the one used for 2g3g packet core is also optimized. The evolved packet core communicates with packet data networks in the outside world such as the internet, private corporate networks or. The evolved packet core communicates with packet data networks in the outside world such as.
Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low. Apply to engineer, electrical engineer, research engineer and more. A tutorial on the funtionality by jatinder jasbir singh. Long term evolution and enhanced packet core lte and. Evolved packet core epc for volte and ims prospective two nodes are important in the evolved packet core. The interfaces between the different parts of the system are denoted uu, s1 and sgi as shown below. Mme,sgw,hss and pgw will form epc evolved packet core. The highlevel network architecture of lte is comprised of following three main components.
Aug 09, 2018 evolved packet core epc is a framework for providing converged voice and data on a 4g longterm evolution lte network. Evolved packet core engineer contract 6 months dublin previous core design experience including performance and capacity management design and deployment experience of key network systemsnodes through the full delivery lifecycle from initial design to full operation knowledge of epcimslte architecture, interfaces and procedures, with understanding of key lte associated. A concatenation of policy decision function pdf and charging rules function. This tutorial introduces the evolution of the system and then focuses on the evolved packet core, then it explains various core mobility supporting states and entities. From chapter 4 it explains in detail intra epc mobility like initial attach, tracking area procedures, detach procedures initiated by different entities in the core network.
On premise, hybrid or completely cloudbased deployment. Core network will be changed in epc which stands for evolved packet core. The evolved architecture comprises eutran evolved utran on the access side and epc evolved packet core on the core side. From chapter 4 it explains in detail intra epc mobility like initial attach, tracking area procedures, detach procedures initiated by different entities in. Epc evolved packet core current system3g is moving to lte gradually. The epdg creates a secure ipsec tunnel from the epc all the way to the device and anchors traffic in the packet gateway pgw, which means wifi can be treated in the same way as a cellular ran by the mobile core. Mavenirs virtualized evolved packet core epc is a softwarebased, carrier grade solution that can be deployed on cloudbased infrastructures using network functions virtualization nfv to. Mme,sgw,hss and pgw will form epcevolved packet core. Pdf sae and the evolved packet core sunny sapru academia. The test results achieved a throughput of up to 168 gbps and a packet rate of up to 29 mpps on dual socket servers powered by these intel xeon platinu m 8280l processors, using intel xxv710 25g nics. Evolved packet core epc for communications service providers 6 separation of control plane and user plane for epc the epc was designed to separate control plane and beareruser data plane requirements to specific function elements. According to this new system, every network system will be in process of change. Eps is a broadband access network connected to the ip world internet intranet. Evolved packet core epc in 4g lte networks by telcoma.
Cisco is a dominant player in the evolved packet core summer time is half over and some people are starting to come back from vacation, while others are taking off on vacation this week, allinall it has been a great summer as long as you like the heat. 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. In this paper primary goal was to explain basics of qos in umts and lte networks and to show how qos can be mapped through entire network end to end that. Evolved packet core epc is a framework for providing converged voice and data on a 4g longterm evolution lte network. Epc components serving gateway sgw, pdn gateway pgw mobility management entity mme, policy and charging control function pcrf 4. Mmesgw mobility management entity serving gateway enb enodeb evolved packet core. The ims architecture is still being evolved in 3gpp to support servicebased interfaces to the 5g packet core 5g core. Feb 06, 2018 volte ims network architecture tutorial duration.
Nec vepc marks a key step towards operators much needed transformation into the network function virtualization nfv space as. Born in the cloud agility measured in minutes, not months. Comparision of 3g wireless networks and 4g wireless networks. S t r a t e g i c w h i t e p a p e r introduction to evolved packet core this white paper provides a brief introduction to evolved packet core a new mobile core for lte. The eutran evolved utran consists of enbs, providing the eutra user plane pdcprlcmacphy and control plane rrc protocol terminations. Introduction to evolved packet core epc and evolved packet system eps. Papidas 5 abstract the target of network function virtualization nfv is to decouple network hardware and software, enable the development of network solutions by using multivendor hardware that can.
It is assumed that there always exist an x2 interface between the enbs that need to communicate with each other, e. Affirmed networks virtualized evolved packet core vepc. According to 2, the evolved packet core epc core network is composed of serving gateway sgw. Umts evolved packet core epc network tutorialspoint. The primary goals of this architecture was to achieve higher data rates, low latency, with support for multiple radio access techniques. The epc is the latest evolution of the 3gpp core network architecture. Cisco will support 5g nonstandalone features in its existing epc packet core network functions so that operators, with cisco epc packet core solution, can just do a software upgrade and buy 5g nonsolution. Pdf the paper discusses the 3gpp evolved packet core epc as an implementation of a flat data plane architecture. Network functions virtualization nfv for mobile networks. Evolved packet core tutorial 5 st engineering idirect. It is responsible for authentication and critical management for mobile devices as well. The overall requirements of the ltesae proposals are examined along with the relationship with the existing components within a mobile network, this is developed into a description of the key interfaces and the. It is connected to enbs and packet data network gateway pgw as shown in figure 19.
Some of the more common epc nodes grouped as control plane or date plane elements are shown in table 1. Nec vepc marks a key step towards operators much needed transformation into the network function virtualization nfv space as being standardized by etsi. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. This network is composed of three major subnetworks. Radical changes in the network the epc is a new, highperformance, highcapacity allip core network for lte. Evolved packet core an overview sciencedirect topics. Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. Virtualized evolved packet core solution guide created date. Cisco enhanced its epc packet core solution to support 5g nonstandalone packet core capabilities. The evolved umts terrestrial radio access network eutran. Evolved packet core helps in combining voice and data on an internet protocol service architecture. In gsm, the architecture relies on circuitswitching cs.
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