Gsm network architecture, channelisation, signalling and call processing dr bhaskar ramamurthi professor department of electrical engineering. That is why we continue to invest in improving our network. They comprise an air interface between the users mobile device and the base station and two core networks. Gsm network architecture, channelisation, signalling and. 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. Mobile communication networks andreas mitschelethiel, florian evers 3 2g to 3g evolution. Over the last years 3g standardization has been quite active, leading in new directions both in the network and the service provision architecture.
A radio network controller rnc provides control over multiple cell sites. An overview of the 3g network lunds tekniska hogskola. The access network, called umts terrestial radio network utran, consists of base stations and base stations controllers. The umts architecture takes advantage of the existing gsm and gprs networks which serve as a core network in umts infrastructure. The highlevel network architecture of lte is comprised of following three main components. Since 2014, kt has shaped its 5g vision, specifically strategies, network architecture, and. Architecturally there arent major differences between 2g and 3g. In this network, the base terminal station btsnodebs aggregate the radio access network ran traffic and transport it over a mobile. At the end of the course you will understand what is gsm and full form and the gsm network architecture. The additional components of the gsm architecture comprise of databases and messaging systems functions.
The difference between 2g, 3g, and 4g is their mobile network strength and network data speed. These functions and interfaces are explained in this chapter. The gsm network architecture provided a simple and yet effective architecture to provide the services needed for a 2g cellular or mobile communications system. Cellular networks, 3g, umts, security architecture, aka, kasumi. 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. Introduction to networking protocols and architecture. Lte network architecture evolution ville eerola helsinki university of technology ville. A study on third generation mobile technology 3g and. As originally proposed, the idea behind 3g was to unify the different standards used in 2g wireless networks. The utran that consists of mobile station, the base station antenna, transceiver and controller and radio interface is.
Technological advancements have paved the way to the evolution of mobile networks. Intro to 3g cellular systems and umts overview david tipper associate professor graduate telecommunications and networking program university of pittsburgh. What is the technical difference between 2g, 3g and 4g. The data rates of up to 10 gbs will characterize 5g networks telecommunications standards that are envisioned to replace the current 4gimt standards. Firstly, the tutorial briefly highlights the qos architecture of 4g that is designed to support 100mbps of data speed in mobile mode and. The difference between 3g and 4g technology is based on technology compliance, data transfer rate, capacity, ip architecture and number of connections, etc. 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. It is just brief idea of 2g, 3g and 3g architecture. Lte has a whole internet protocol ip network architectures structure and is intended to support voice, favoring visual or voice blogs online.
Utran is connected the core network cn via iu interface. Umts is a mobile radio standard of the third generation 3g and the followon. I am adding the architecture diagram of 2g, 3g, 4g for reference. Hcran is presented in this article as the advanced wireless access network paradigm, where cloud computing is used to ful. This document provides a brief overview of the lte network architecture as the first technical document of lte area. The structure of a gsm network relies on several functional entities, which have been specified in terms of functions and interfaces. The source of these pictures are spirent and squaretek. 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. Given below is a simple pictorial view of the gsm architecture. The ue is the mobile phone and the utran is the base station and the network intelligence. In this article, the portion of the network consisting of the epc, sgsn and hss is denoted as the epc network. User equipment the 3g system consists of two main parts. 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.
Umts system architecture and protocol architecture overview on overall system architecture umts network architecture and elements mobile station. A group of btses are controlled by a base station control. 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. The stateoftheart research achievements in aspects of system architecture and key technologies for hcrans are surveyed. Between the radio networks controller rnc and core network, there is iu utran interface. Also this paper tries to present the advantages why operators are.
This tutorial covers an overview of 4g network architecture and power saving protocols. A usim stores userspecific data very similar to 3g sim card. A functional representation of 3g network architecture is shown in figure 1. 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. 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. The greatest changes are related to the access part of the network. After the much used 2g and 3g network technologies, the 4g technology consists of all the basic. Physicalcommunication32010217244 contents lists available at sciencedirect physicalcommunication journal homepage. Msc is upgraded to 3g msc sgsn is upgraded to 3g 3gpp rel. Separation of access technology, transport technology, service technology. This keeps information about the users phone number, home network identity and security keys etc. Gprs and 3g wireless systems seminar report submitted in partial ful llment of the degree of master of technology by satyajit h.
There were four main elements to the overall gsm network architecture and these could often be further split. This is a diagram of the 2g network architecture, a user gets connected to the bts or the base transceiver station tower. How the architecture is differ from each other and what are the specification of each of them is described shortly. Security architecture in umts third generation cellular networks. 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. Difference between 3g and 4g technology with comparison. Instead of different network types being adopted in the americas, europe and japan, the plan called for a single network standard. Architecture of gsm and umts networks an overview of a gsm network architecture is presented in figure 3.
Saewoong bahk, visiting professor at umkc from seoul national university, korea abstract. Design considerations for a 5g network architecture. 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. Elements like the base station controller, msc, auc, hlr, vlr and the like. 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. Sridhar iyer kanwal rekhi school of information technology indian institute of technology, powai.
The network architecture can be divided into subsystems based on the nature of traffic, protocol structures, physical elements. According to what has been released so far, the companys big picture for 5g can be painted as follows. Comparision of 3g wireless networks and 4g wireless. In a gsm network, whether 2g or 3g, radios node b at the cell site provide the radio air interface for each cell. The epc provides a variety of functions including user authentication, usercontract analysis, authentication for the packet data network pdn7. It involves three main subsystems, each containing functional units and interconnected with the others through a series of standard interfaces. The user equipment or ue is a major element of the overall 3g umts network architecture. The core network is then the overall entity that interfaces to external networks including the public phone network and other cellular telecommunications networks. Both the ue and the utran are composed of different layers. An overview of the 3g network umts can in many aspects be looked upon as an extension to gsm and gprs. Eutran evolved umts terrestrial radio access network. Design considerations for a 5g network architecture steven bergren oklahoma state university, stillwater abstract. Comparision of 3g wireless networks and 4g wireless networks. Gsm architecture how it works global system for mobile course by telcoma training.