Mme,sgw,hss and pgw will form epcevolved packet core. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. Nec vepc marks a key step towards operators much needed transformation into the network function virtualization nfv space as being standardized by etsi. 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.
Nec vepc marks a key step towards operators much needed transformation into the network function virtualization nfv space as. Evolved packet core epc for communications service. Invest in cloudbased evolved packet core epc and ng core. 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. Lte core functions and service procedures core network functions. Virtualized evolved packet core solution guide created date. Evolved packet core epc in 4g lte networks by telcoma. Learn 4g lte evolved packet core epc network duration. From chapter 4 it explains in detail intra epc mobility like initial attach, tracking area procedures, detach procedures initiated by different entities in. Eps is a broadband access network connected to the ip world internet intranet. 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. The eutran evolved utran consists of enbs, providing the eutra user plane pdcprlcmacphy and control plane rrc protocol terminations. Born in the cloud agility measured in minutes, not months.
Umts evolved packet core epc network tutorialspoint. Some of the more common epc nodes grouped as control plane or date plane elements are shown in table 1. The epc is the latest evolution of the 3gpp core network architecture. Network architecture functional and physical domains ericsson. The enbs are also connected by means of the s1 interface to the epc evolved packet core. 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.
According to 2, the evolved packet core epc core network is composed of serving gateway sgw. The epc will serve as the equivalent of gprs networks via the mobility management entity, serving gateway and pdn gateway subcomponents. This tutorial emphasizes the impacts of ims over the eps access network. It is responsible for authentication and critical management for mobile devices as well. 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.
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. Evolved packet core epc is a framework for providing converged voice and data on a 4g longterm evolution lte network. Pdngw is also the point of communication between eutra and non3gpp services like the internet. On premise, hybrid or completely cloudbased deployment. 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 enbs are interconnected with each other by means of the x2 interface. 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. It is assumed that there always exist an x2 interface between the enbs that need to communicate with each other, e. 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. Pdf the paper discusses the 3gpp evolved packet core epc as an implementation of a flat data plane architecture.
The gateway is the evolved packet data gateway epdg which is part of the 3gpp iwlan platform. Aug 09, 2018 evolved packet core epc is a framework for providing converged voice and data on a 4g longterm evolution lte network. 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. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low. Packet gw, capacity, throughput optimization for ip traffic and services handover tofrom non3gpp access technologies e.
Core network will be changed in epc which stands for evolved packet core. A tutorial on the funtionality by jatinder jasbir singh. Epc evolved packet core current system3g is moving to lte gradually. Network functions virtualization nfv for mobile networks andreas g.
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. The evolved packet core communicates with packet data networks in the outside world such as the internet, private corporate networks or. Lte is allip advanced core architecture proposed in release 8 of 3gpp to only process packets. Ims will be able to use 5g core via new servicebased interfaces sbi as an alternative to legacy diameter interfaces. 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. The epc consists of the mobility management entity mme1, serving gateway sgw2, packet data network gateway pgw3, and policy and charging rules function pcrf4. Epc components serving gateway sgw, pdn gateway pgw mobility management entity mme, policy and charging control function pcrf 4. The evolved packet core communicates with packet data networks in the outside world such as. 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. Introduction to evolved packet core linkedin slideshare. Date hs code description origin country port of discharge unit quantity value inr per unit inr mar 17 2016.
Mmesgw mobility management entity serving gateway enb enodeb evolved packet core. Click on document sae and the evolved packet core driving the mobile broadband revolution shabnam sultana. Evolved packet core epc for communications service providers. Introduction to evolved packet core epc and evolved packet system eps 2. As shown in the figure above in lte called eutran comprised of more than one enodeb. Radical changes in the network the epc is a new, highperformance, highcapacity allip core network for lte.
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 for volte and ims prospective two nodes are important in the evolved packet core. Feb 06, 2018 volte ims network architecture tutorial duration. Can accommodate other radio access networks such as. 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. The main component of the sae architecture is the evolved packet core epc, also known as sae core. The mme is the controlplane function for eutran access. The interfaces between the different parts of the system are denoted uu, s1 and sgi as shown below. A concatenation of policy decision function pdf and charging rules function. Comparision of 3g wireless networks and 4g wireless. Pdf sae and the evolved packet core sunny sapru academia. Oct 18, 2010 introduction to evolved packet core 1. Core network cn, called evolved packet core epc in sae. Mme,sgw,hss and pgw will form epc evolved packet core.
Evolved packet core helps in combining voice and data on an internet protocol service architecture. 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. Comparision of 3g wireless networks and 4g wireless networks. 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. Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. Evolved packet core an overview sciencedirect topics.
Epc addresses lte requirements to provide advanced realtime and mediarich services with enhanced quality of experience qoe. 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. Apply to engineer, electrical engineer, research engineer and more. The highlevel network architecture of lte is comprised of following three main components. Import data and price of evolved packet core zauba. Automation and orchestration process delivery autonomic. 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. The primary goals of this architecture was to achieve higher data rates, low latency, with support for multiple radio access techniques. 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. Public data network gateway pdngw pdn gateway allocates ip addresses to ues.
Affirmed networks virtualized evolved packet core vepc. The architecture, in comparison to the one used for 2g3g packet core is also optimized. This network is composed of three major subnetworks. The evolved architecture comprises eutran evolved utran on the access side and epc evolved packet core on the core side. The ims architecture is still being evolved in 3gpp to support servicebased interfaces to the 5g packet core 5g core. 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. Nfvbased lte core in the cloud open networking foundation. Evolved packet core is based on a constant network connection or an alwayson connection. Long term evolution and enhanced packet core lte and. Cisco enhanced its epc packet core solution to support 5g nonstandalone packet core capabilities. 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.