The umts architecture takes advantage of the existing gsm and gprs networks which serve as a core network in umts infrastructure. User equipment the 3g system consists of two main parts. Learn 2g 3g4glte mobile packet core network for beginners. Evolutionary analysis of gsm, umts and lte mobile network. The nodes use the control plane, in order to exchange signaling messages between each other. This video shows the detailed information about how the cellular network works in 2g. Comparision of 3g wireless networks and 4g wireless networks. The data rates of up to 10 gbs will characterize 5g networks telecommunications standards that are envisioned to replace the current 4gimt standards.
Architecturally there arent major differences between 2g and 3g. The gsm architecture is made up of majorly three subsystems which include the. Study and learn interview mcq questions and answers on 2g gsm structure architecture basics. The core network is then the overall entity that interfaces to external networks including the public phone network and other cellular telecommunications networks. System architecture and key technologies for 5g heterogeneous. Jul 31, 2017 mobile networks overview 2g 3g 4glte 1. Umts system architecture and protocol architecture overview on overall system architecture umts network architecture and elements mobile station highlevel functions umts domains and strata umtsgprs protocol architecture references. In this network, the base terminal station btsnodebs aggregate the radio access network ran traffic and transport it over a mobile. Topics include bss, mss, bsc, bts, msc, hlr, vlr, auc, eir and more. Mobile communication networks andreas mitschelethiel, florian evers 4 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. 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. Pdf mobile network architecture evolution 1g to 4g nigel. All types of media flow into and out of an lte network as ip packets. Technological advancements have paved the way to the evolution of mobile networks.
Several key differences in a lte network enable more flexibility in its architecture than in a 3g. Etsi 2g global system for mobile communication gsm. Lte 4g network architecture lte core network mobile. The additional components of the gsm architecture comprise of databases and messaging systems functions. Alwaysbestconnected service on heterogeneous network is hoped to achieve. Allip, simplified network architecture new, allip mobile core network introduced with lte endtoend ip allip clear delineation of control plane and data plane simplified architecture. 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. Evolving through biologicallyinspired technologies 3 mobile communication networks mobile communications networks are getting more and more complex with variety of services they offer variety of devices connected to the network variety of environment and channel conditions they work in. Mobile 2g digital damps standardized as is54 by tia in 1992 mainly in north america no longer utilized 30 khz time three users per radio channel a b c a b c mobile 2g digital gsm standardized by etsi in 1990 phase 1 initiated in europe still widely used today 4b connections ww1 simple data services with gprs. The highlevel network architecture of lte is comprised of following three main components. But while the physical handset may take centre stage, where would it be without that all important supporting cast, the mobile network. Pdf 1 st generation wireless cellular network was introduced in 1980s, till then different advancement has been made in this direction and. Both the ue and the utran are composed of different layers. The ue is the mobile phone and the utran is the base station and the network intelligence.
Gsm architecture training course what is 2g cellular. 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. In addition, global developments in multimedia network services and. The solution to this challenges can be found in a novel mobile network architecture called cloud radio access network cran that is expected to be the essential part of the next fifth generation. The user equipment or ue is a major element of the overall 3g umts network architecture.
When the fcc issued 1900 mhz to pcs in the united states. Attend job interviews and college exams easily with these multiple choice questions. May 14, 2018 this video shows the detailed information about how the cellular network works in 2g. The network architecture can be divided into subsystems based on the nature.
Gsm edge radio access network is the 2g air interface, and the utran. Comparision of 3g wireless networks and 4g wireless. A list of related standards in the public domain is accessible via the etsi standards search. Global system for mobile communication technology mobile device investigations program technical operations division. In order to well understand the architecture of lte network, we need to know what is the difference between the control plane, and the user plane. Given below is a simple pictorial view of the gsm architecture. Find out inside pcmags comprehensive tech and computerrelated encyclopedia. Mobile communications networks mobile communications networks. The 3g standard utilises a new technology called umts as its core network architecture universal mobile telecommunications system. This network combines aspects of the 2g network with some new technology and protocols to deliver a significantly faster data rate. What is the technical difference between 2g, 3g and 4g.
The 5g architecture consists of all rans, aggregator, ip network, nanocore etc. Pdf mobile network architecture evolution 1g to 4g. The source of these pictures are spirent and squaretek. It has an open, distributed architecture the separation of switching and service control functions full use of ss7 as the signaling infrastructure its clearly defined and specified interfaces. There were four main elements to the overall gsm network architecture and these could often be further split. By standard the gsm network is divided into four 4 subsystems 1. Creation of technology and evolution of mobile industry has been initiated by mobile industry since early 1970s. These functions and interfaces are explained in this chapter. The chapter discusses gsm frequency bands, the gsm public land mobile network plmn and its objectives and services, gsm architecture and gsm subsystem entities, interfaces, and protocols between gsm. In the new 5g architecture, mobile operators will need to plan for the necessities of higher network capacities, denser cellsite grids, smallcell deployments at the street level, virtualized.
Gsm network architecture, channelisation, signalling and call. The gsm network architecture provided a simple and yet effective architecture to provide the services needed for a 2g cellular or mobile communications system. The gsm architecture consists of three major interconnected subsystems that interact with themselves and with users through certain network interface. Mobile station, network and switching subsystem nns, and the base station. Wireless course gsm network architecture, channelisation, signalling and call processing dr bhaskar ramamurthi. Radio access network utran ue iur uu bs iub rnc 2g 3g ms ue user equipment, often also called user terminal new air radio interface based on wcdma access technology 3gpp 3gpp relrel. Next, we discuss the architectural developments for 2g5g systems, followed by the. Mobile 2g digital wireless technologies enabled more users. Mobile communications networks mobile communications.
Pdf comparative study of 2g, 3g and 4g researchgate. It is assigned to a single user and contains all the functions needed to access umts services. This year 2015 the mobile phone celebrates its 30th birthday in the uk. It has an open, distributed architecture the separation of switching and service control functions full use of ss7 as the signaling infrastructure its clearly defined and specified interfaces the nature of its in structure. Often described as a true intelligence network, gsm is called the first true wireless network because. Every call passes through set of equipments to reach the destination. In this network, the base terminal station btsnodebs aggregate the radio access network ran traffic and. This lecture explains the system, components, functions, interfaces, equipments i. Evolutionary analysis of gsm, umts and lte mobile network architectures paschal a. Overview of the gsm system and protocol architecture we can use gsm as a basic framework to define and develop the standards for handling the mobilityspecific functions of nextgeneration pcns. It provides the interface between the radio network and the packet data network. The subsystems are base station subsystem bss, network switching subsystem nss and operational support subsystem oss. Design considerations for a 5g network architecture steven bergren oklahoma state university, stillwater abstract. This keeps information about the users phone number, home network identity and security keys etc.
Gsm cellular architecture mobile equipment subscriber identity module base transceiver station base station controller home location register visitor location register mobile services switching center equipment identity register authentication center base transceiver station base station controller public switched telephone network. A functional representation of 3g network architecture is shown in figure 1. This is a diagram of the 2g network architecture, a user gets connected to the bts or the base transceiver station tower. The overall gsm network architecture is described in 3gpp ts 23. A usim stores userspecific data very similar to 3g sim card. The agent locates at the place where the mobile node opens its account. They comprise an air interface between the users mobile device and the base station and two core networks.
Overview of the gsm system and protocol architecture. Tinnirello iub bs rnc new ran architecture iurinterface is available for soft. Feb 21, 2016 at the end of the lecture you can easily draw the gsm 2g architecture diagram. Mobile network coordinated network for seamless access and seamless mobility 1 2 3 pstn landline 8 requires large gap of spectrum. Elements like the base station controller, msc, auc, hlr, vlr and the like. Muhamed, fundamentals of lte, prentice hall, 2010, isbn. The difference between 2g, 3g, and 4g is their mobile network strength and network data speed. I am adding the architecture diagram of 2g, 3g, 4g for reference. This page describes 5g network architecture with its elements. Each bts is then connected via gsm network in july 1992 whilst mercury switched core data network and onwards landline or pointtopoint microwave to a. Design considerations for a 5g network architecture.
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