Sgsn user plane functionality, serving node user plane functionality, su. The ugw can function as a ggsn, an sgw, a pgw, or any combination of them but. Introduction to sgsn general packet radio service radio. Eric is introducing the industrys most advanced evolved packet core saeepc portfolio for supporting operators lte network introduction. Sgsntoggsn gn and ggsntopdn gi interface on globalspec. The diagram below depicts the sgsn and its network connections in a gprs network. Jan, 2009 the expansion of zain madagascars network, which has been operational since 2005, is centered upon deploying ericsson s packet core network, including both sgsn and ggsn nodes, and ericsson s mobile softswitch solution.
This includes basic sgsn mme architecture, its operation, administration as well as fault management, security management and performance management. Just like the other key parts of the mobile core network, ggsn is owned and managed by the mobile operators e. Dec 04, 2019 ericsson ggsn commands pdf topics on ericsson mkvi sgsns with great details on hw, sw and systems configuration overview subscriber commands main kpis aob. Ggsn communicates to sgsn and when it receives data variables. The node consists of a number of plugin units pius. Ericsson sgsn pdf telecommunications infrastructure. We present the functionality partitioning of gprs application for one of the possible implementations on this. On the other hand, mobileoriginated packets are routed to the right network by the ggsn.
The sgsn is located at the core of the gprs network. Optimized routing within an ericsson node routing procedures in an ericsson sgsn master of science thesis elisabet svensson. Sgsn administration guide, staros release 20 mocn for 2g. Table of contents architecture gsa board rolesdetails sub systems configuration overview subscriber commands main kpis aob. The functionality of sgsn and ggsn can be combined in a physical node e. An ericsson sgsn 10 this project is about the sgsn, gure 1. Ericsson cloud execution environment cee 15b overview lzu1089908. It not only supports all 3gpp access types gsm, wcdma and lte as well as non3gpp accesses wifi and cdma, being the central network function for mobility and session management, ericsson sgsn mme provides superior scalability and performance. When the ggsn receives data addressed to a specific user, it checks if the user is active. Sgsn mme 16a can be deployed both as a native node as well as virtual network function. The ggsn, sometimes known as a wireless router, works in tandem with the serving. Gprs provided a packet data capability for the 2g cellular systems, enabling the evolution of gsm to provide a data capability. Regardless of the sgsn release, ericsson sgsn comes in three mk types as. Ericsson s sgsn mme delivers classleading enodeb capacity, with.
Impact of sgsn pooling on signaling olli salonen supervisor prof. Sgsn logical network interfaces thesgsnprovidesipbasedtransportonallranandcorenetworkinterfaces,inadditiontothestandard ipbasedinterfacesga,gn,gp,iups. Sgsn session capacity ericssons sgsn mme delivers session pdp. The ggsn creates a new entry in its pdp context table to route ip packets between the sgsn and the external packetswitching network, which stores the tft. Performance and architecture of sgsn and ggsn of general. The sgsn mme 15a administration course provides participants competence to operate sgsn mme efficiently. Ericsson apologises for software fault that brought down. Two new nodes, the serving gprs support node sgsn and the gateway gprs support node ggsn are introduced and they can be combined in to one physical node. A gateway gprs support node ggsn is part of the core network that connects gsmbased 3g networks to the internet. Ipbased transport of user data between sgsn and the utran ip or ss7based signaling transport gateway gsn ggsn gateway for umts packet service to external data networks e.
Erlang sgsn general packet radio service high speed. Sgsn and gateway gprs support node ggsn, see gure 1. Sgsn, the next generation sgsn for the umtshspa packet core page 3. Sgsn and ggsn serving gprs support node sgsn the sgsn is the core gprs unit, equivalent to the msc in a standard gsm network. Ericsson sgsn mme is the worlds most widely deployed sgsn mme of the market. Sgsn stands for serving gprs support node, and it is an essential network component in the gprsbased 2g and 3g networks. Fungsi lain dari ggsn adalah subscriber screening, ip pool management dan address mapping, qos dan pdp context enforcement. From the ggsn the tra c is sent out on the internet.
The two main nodes are the serving gprs support node. Ii gsn functionality as we said, gsn node is consisted of sgsn and ggsn. This is achieved in that the old sgsn sends a message to the gateway gprs support node ggsn, requesting that it stop transmission of data. Performance and architecture of sgsn and ggsn of general packet radio service gprs abstract. Intra or inter sgsn serving radio network subsystem. Since march 2004, i am working as packet core network pcn senior systems engineer for ericsson greece, responsible for the pcn customer support sgsn mme ggsn epdg network elements within the rmed area.
Mobile interface 3gpp interfaces description general map saelte map. Ericsson s sgsn mme delivers session pdp contexts with a capacity of 72 million, earning it a second place class ranking. On the other side the sgsn relays the data between the sgsn and relevant ggsn and vice versa. Sgsn and ggsn are two new network elements required for supporting gprs services. Primarily it is the protocol which allows end users of a gsm or wcdma network to move from place to place while continuing to connect to the internet as if from one location at the gateway gprs support node ggsn. Pdf sgsn and ggsn are the two core network elements of the general packet radio service which enables internet to. Gprs support nodes, serving gprs support node sgsn and gateway gprs support node ggsn, see gure 1. A serving gprs support node sgsn handover procedure, for use in a gprs network, reduces the need for resequencing in the sgsn. Rollout of the first phase of the project has already begun. Recent listings manufacturer directory get instant insight into any electronic component.
During a mobility procedure towards a new core network node mme, a ue served by a sgsn has a previously assigned ptmsi by the source sgsn. Pdf sgsn and ggsn are the two core network elements of the general packet radio service which enables internet to become mobile. Pdf sgsn and ggsn are the two core network elements of the general packet radio service which enables ahmad ali habeeb at ericsson. Ericsson to expand zain madagascar network ericsson. Gprs attach and pdp context activation for a class b terminal. The ugw is a huawei proprietary unified packet gateway. Each operator has its own network node for ggsn, hlr etc, while sharing sgsn and msc with the rest of the radio network. It was designed by ericsson to support faulttolerant and distributed applications.
Ggsn user plane functionality, gateway node user plane functionality, gu, and ggsn control plane. Gsn 9 and ericssons combined sgsnggsn or cgsn 10 or distributed in separated nodes. Dengan skenario lte, ggsn berubah menjadi sae gateway dengan sgsn menjadi mme. General packet radio service grps today packet overlaynetwork on top of the existing gsm digital.
In this document we shall describe these gprs support nodes, called generically gsn nodes. The portfolio is built on ericsson s existing packet core products and new functionality will be introduced through simple software upgrades. Pdf voice communication over ggsnsgsn researchgate. Gprs tunnelling protocol is the defining ipbased protocol of the gprs core network.
Apr 26, 20 the sgsn selection is required when the ue handovers from 3g to 4g. The ggsn creates an uplink gtp tunnel to route ippdu from sgsn to ggsn. Ericsson ggsn commands pdf topics on ericsson mkvi sgsns with great details on hw, sw and systems configuration overview subscriber commands main kpis aob. The test of interworking with the gateway gprs support node ggsn is conducted to check whether the data for the interworking between the sgsn. If it is, the ggsn forwards the data to the sgsn serving the mobile user, but if the mobile user is inactive, the data are discarded. Sgsn administration guide, staros release 20 serving. Objectives upon completion of this chapter, you should be able to describe the sgsn to ggsn interface. The sgsn or the serving gprs support node handles data traffic. Jan 18, 2001 two kinds of gsns are introduced in gprs. The problems all occurred, simultaneously we believe, on thursday december 6. The course provides as well an introduction in to the ericsson virtual sgsn mme. The hlr may keep a static ip address that is fetched by the sgsn at gprs attach radius the ggsn may interact with an external aaa server in order to perform aaa.
The nokia 3g mobile packet core elements sgsn serving gprs support node and ggsn gateway gprs support node will be ipv6 capable from day one of commercial 3g operations, therefore providing an optimal basis for the evolution towards allip core networks. Ericssons sgsnmme delivers session pdp contexts with a capacity of 72 million, earning it a second place class ranking. The sgsn performs the same functions as the msc for voice traffic. Ericsson launches industrys most sophisticated core. Sgsn is responsible for the transfer of data packets between the mobile stations.
Figure 1 shows an example of the architecture of ericssons gprs solu tion in a gsm cellular network. Sgsn session capacity ericssons sgsn mme delivers session. It is a solution to those challenges operators are facing today and in the future, such as how to optimize voice production costs and how to safeguard revenues in evolving telephony environment. It is connected to several nodes in the network like the hlr, ggsn, mscvlr, and rncbsc so on. This course is designed to provide an overview of ericsson sgsn mme. Short for service gprs support node, it mediates access to network resources on behalf of mobile subscribers ms and implements the packet scheduling policy between different qos classes. Sgsn control plane activation functionality, serving node control plane functionality, sc. Pdf this document provide maps about 3gpp network nodes and interfaces. Pdf mobile interface 3gpp interfaces description general. An issue with certain nodes in core network equipment resulted in network disturbances for a limited number of customers in multiple countries using two specific software versions of the sgsn mme serving gprs support node mobility management entity. Sgsn integration and implementation papanash om prakash muthuswamy the goal of this thesis project is to implement a prototype for serving gprs support node sgsn which is the central part of the general packet radio service gprs. Sgsn the next generation sgsn for the utmshspa packet core.
The two main nodes are the serving gprs support node sgsn and the gateway gprs support node ggsn. Jun 24, 2019 pdf sgsn and ggsn are the two core network elements of the general packet radio service which enables ahmad ali habeeb at ericsson. Media gateway for mobile networks mmgwis a high performance media plane product deployed globally in almost 400 networks. Sgsn selection procedure lte and beyond techblog on 4g. Figure 1 shows an example of the architecture of ericssonos gprs solution in a gsm cellular network. It does this by carrying the subscribers data from the subscribers current serving gprs support.
The portfolio is built on ericsson s existing packet core products and new functionality will. Serving gprs support node sgsn overview sgsn ggsn deployments. Objectives upon completion of this chapter, you should be able to describe the sgsntoggsn interface. Gprs architecture ll general packet radio service ll sgsn, ggsn,gprs network explained in hindi duration. To allow the gprs network to provide the packet data capability additional network entities are required to be added to the overall architecture two of the main entities are the ggsn and sgsn. What are the functionality difference bw sgsn and msc in. Gprs support nodes the gprs support nodes constitute the parts of the ericsson cellular system core network that switch packet data.
It then sends back to the sgsn the result of the secondary pdp context creation with a negotiated qos. The sgsn handles the allocation of ip addresses to the mobile phones, serves as the interface to the charging system and provides the mobile phone with the ip address to reach the ggs. Ericsson ggsn commands axe switch ericsson commands ericsson hss msc server apz 212 30 ericsson ggsn ericsson sgsn ericsson mgw sgsn ericsson text. Ggsn juga melakukan autentikasi dan charging function. At that time, the old sgsn transfers to the new sgsn any data which it needs to transmit to the mobile station. Sgsn to ggsn gn and ggsn topdn gi interface on globalspec. This capacity is important for an operator looking to keep infrastructure investments at a minimum while still growing its enduser base. The sgsn is the service access point to the gprs network for the mobile user. But also handling the flow of subscriber information, like triplets between the hlr and sgsn. There are procedures where the source sgsn must be contacted by the target mme. Jul 21, 2017 sgsn serving gprs support node platform hw, sw and cli 1.
Identity check request the sgsn then requests the identity of the gprs mobile. Sgsn serving gprs support node platform hw, sw and cli 1. Starents complementary sgsn and ggsn revolutionize the efficiency and performance of your network to provide intelligent and high capacity gsmgprs, edge, umts, and hspa network access. Ggsn and the sgsn collect charging information on usage of the gprs network resources. I was born in germany and i have lived for about 22 years total in germany.