There were four main elements to the overall gsm network architecture and these could often be further split. Cellular networks, 3g, umts, security architecture, aka, kasumi. Architecture of gsm and umts networks an overview of a gsm network architecture is presented in figure 3. The ohio state university raj jain 2 9 layering protocols of a layer perform a similar set of functions all alternatives for a row have the same interfaces choice of protocols at a layer is independent of those of at other layers. Umts is a mobile radio standard of the third generation 3g and the followon. At the end of the course you will understand what is gsm and full form and the gsm network architecture. Elements like the base station controller, msc, auc, hlr, vlr and the like. The source of these pictures are spirent and squaretek. The network architecture can be divided into subsystems based on the nature of traffic, protocol structures, physical elements. Firstly, the tutorial briefly highlights the qos architecture of 4g that is designed to support 100mbps of data speed in mobile mode and. Gsm gprs umts gsm ran base station base station controller. This document provides a brief overview of the lte network architecture as the first technical document of lte area. Technological advancements have paved the way to the evolution of mobile networks. The user equipment or ue is a major element of the overall 3g umts network architecture.
Security architecture in umts third generation cellular networks. Between the radio networks controller rnc and core network, there is iu utran interface. The utran that consists of mobile station, the base station antenna, transceiver and controller and radio interface is. The data rates of up to 10 gbs will characterize 5g networks telecommunications standards that are envisioned to replace the current 4gimt standards. It involves three main subsystems, each containing functional units and interconnected with the others through a series of standard interfaces. As originally proposed, the idea behind 3g was to unify the different standards used in 2g wireless networks. This tutorial covers an overview of 4g network architecture and power saving protocols. Lte network architecture evolution ville eerola helsinki university of technology ville. Saewoong bahk, visiting professor at umkc from seoul national university, korea abstract.
Umts system architecture and protocol architecture overview on overall system architecture umts network architecture and elements mobile station. Gsm network architecture, channelisation, signalling and. Also this paper tries to present the advantages why operators are. I am adding the architecture diagram of 2g, 3g, 4g for reference. These functions and interfaces are explained in this chapter. Lte has a whole internet protocol ip network architectures structure and is intended to support voice, favoring visual or voice blogs online. Tinnirello gn iu ps ip backbone internet sgsn auc eir ggsn sgsn gmsc and ggsn remain the same aucis upgraded more security features in 3g. According to what has been released so far, the companys big picture for 5g can be painted as follows. In a gsm network, whether 2g or 3g, radios node b at the cell site provide the radio air interface for each cell. Umts network architecture basic configuration, release 3 bss bsc rns rnc cn node b node b a iups iur iub uu msc sgsn gs gmsc ggsn hlr gn gr gc c d e auc h eir f gf pstn gi gb iucs vlr b gp. First, the lte network reference model is defined and its basic evolved packet system eps entities and the functions of each entity are. Gprs and 3g wireless systems seminar report submitted in partial ful llment of the degree of master of technology by satyajit h. Comparison 1g 2g 3g 4g 5g period 1980 1990 1990 2000 2000 2010 2010 2020 2020 2030 bandwidth 150900mhz 900mhz 100mhz 100mhz x bw pr.
Gsm architecture how it works global system for mobile course by telcoma training. The access network, called umts terrestial radio network utran, consists of base stations and base stations controllers. The additional components of the gsm architecture comprise of databases and messaging systems functions. The umts architecture takes advantage of the existing gsm and gprs networks which serve as a core network in umts infrastructure. That is why we continue to invest in improving our network. Given below is a simple pictorial view of the gsm architecture. How the architecture is differ from each other and what are the specification of each of them is described shortly. Architecturally there arent major differences between 2g and 3g. Comparision of 3g wireless networks and 4g wireless. An overview of the 3g network umts can in many aspects be looked upon as an extension to gsm and gprs. Design considerations for a 5g network architecture steven bergren oklahoma state university, stillwater abstract. User equipment the 3g system consists of two main parts. A radio network controller rnc provides control over multiple cell sites. Architecture of the gsm system gsm is a plmn public land mobile network several providers setup mobile networks following the gsm standard within each country gsm system comprises 3 subsystems rss radio subsystem.
According to different service requirements, fiberoptic cable availability and network resource allocations, ran real time and nonreal time resources can be deployed on the site or on the access cloud side. It is assigned to a single user and contains all the functions needed to access umts services. The core network is then the overall entity that interfaces to external networks including the public phone network and other cellular telecommunications networks. According to different service requirements, fiber optic cable availability and network resource allocations, ran real time and nonreal time resources can be deployed on the site or on the access cloud side. This keeps information about the users phone number, home network identity and security keys etc. In this network, the base terminal station btsnodebs aggregate the radio access network ran traffic and transport it over a mobile. Analysis and simulation of umts, or universal mobile telecommunications system, a 3rd generation mobile technology with increased spectral efficiency and high bandwidth can support greater data rates for voice and video data to the wireless end users. Intro to 3g cellular systems and umts overview david tipper associate professor graduate telecommunications and networking program university of pittsburgh. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. This is a diagram of the 2g network architecture, a user gets connected to the bts or the base transceiver station tower. Comparision of 3g wireless networks and 4g wireless networks. Design considerations for a 5g network architecture.
A functional representation of 3g network architecture is shown in figure 1. The highlevel network architecture of lte is comprised of following three main components. Physicalcommunication32010217244 contents lists available at sciencedirect physicalcommunication journal homepage. They comprise an air interface between the users mobile device and the base station and two core networks. Difference between 3g and 4g technology with comparison. A study on third generation mobile technology 3g and. The difference between 2g, 3g, and 4g is their mobile network strength and network data speed. Separation of access technology, transport technology, service technology. Utran is connected the core network cn via iu interface. A group of btses are controlled by a base station control.
Hcran is presented in this article as the advanced wireless access network paradigm, where cloud computing is used to ful. After the much used 2g and 3g network technologies, the 4g technology consists of all the basic. Introduction to networking protocols and architecture. It supports user and b earer information exchange for inter3gpp access network mobility in idle andor a ctive state and its derived fr om 2g 3g gn interface using. The greatest changes are related to the access part of the network. Msc is upgraded to 3g msc sgsn is upgraded to 3g 3gpp rel. Gsm network architecture, channelisation, signalling and call processing dr bhaskar ramamurthi professor department of electrical engineering. Sridhar iyer kanwal rekhi school of information technology indian institute of technology, powai. The stateoftheart research achievements in aspects of system architecture and key technologies for hcrans are surveyed.
The epc provides a variety of functions including user authentication, usercontract analysis, authentication for the packet data network pdn7. Over the last years 3g standardization has been quite active, leading in new directions both in the network and the service provision architecture. The 3g packet core architecture consists of the universal mobile telecommunications system umts packetswitched ps domain or general packet radio service gprs support nodes gsn, the gateway contents 3g core network realities pg. A usim stores userspecific data very similar to 3g sim card. The structure of a gsm network relies on several functional entities, which have been specified in terms of functions and interfaces. Since 2014, kt has shaped its 5g vision, specifically strategies, network architecture, and. What is the technical difference between 2g, 3g and 4g. The ue is the mobile phone and the utran is the base station and the network intelligence. A gsm network is composed of several functional entities, whose functions and interfaces are defined. Both the ue and the utran are composed of different layers. The gsm network architecture provided a simple and yet effective architecture to provide the services needed for a 2g cellular or mobile communications system.
Instead of different network types being adopted in the americas, europe and japan, the plan called for a single network standard. An overview of the 3g network lunds tekniska hogskola. It is just brief idea of 2g, 3g and 3g architecture. In this article, the portion of the network consisting of the epc, sgsn and hss is denoted as the epc network. The difference between 3g and 4g technology is based on technology compliance, data transfer rate, capacity, ip architecture and number of connections, etc. Mobile communication networks andreas mitschelethiel, florian evers 3 2g to 3g evolution. Eutran evolved umts terrestrial radio access network.