Enterprise radio access network e ran enables new nfvbased services at the edge spidercloud wireless offers a breakthrough platform that enables mobile operators to deliver excellent 3g4g coverage, capacity, and nfv hosted services in medium to large enterprise buildings. The cloud ran architecture has two main components. Participants will get a broad view on the network architecture, functionality, interoperability with special emphases on radio access networkrelated aspects of every system. It contains the base stations, which are called node b s and radio network controllers rncs 1 which make up the umts radio access network. In light of these evolutions, this article investigates the impact of the evolution toward an allip umts network architecture on the umts service architecture, which is based on the vhe concept. The user equipment or ue is a major element of the overall 3g umts network architecture. Difference between 3g and 4g technology with comparison. This communications network, commonly referred to as 3g for 3rd. Umts r3 is composed of the utran attached to two separate core network domains. This keeps information about the users phone number, home network identity and security keys etc. In his current role, he analyzes the requirements for 5g ran architecture and functionality with the aim of simplifying 5g. Comparision of 3g wireless networks and 4g wireless networks. A radio access network is a technology that connects individual devices to other parts of a network through radio connections. Systems fplmts 1997 changed to imt2000 international mobile telecom.
Nov 07, 2019 this includes leading the definition of 3g ran, before and within the 3gpp, and more lately indoor solutions. Tinnirello iub bs rnc new ran architecture iurinterface is available for soft. Utran umts terrestrial radio access network handles all. Umts network architecture and elements mobile station highlevel functions umts domains and strata umtsgprs protocol architecture references. The cloudran approach to continue scaling the mobile data network effectively, innovative variants of the scran architecture are essential to meet a number of recent network challenges. Architecture and key features of lteadvanced networks article pdf available january 2012 with 12,082 reads how we measure reads. Supporting a multitude of hardware sharing options radio, fronthaul, baseband, backhaul, oam, spectrum reducing the complexity and increasing cost efficiency and all with the bonus of future proof endtoend solution with strong security and. This allowed for a better full service for cell phone users wishing to access the. 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. Enterprise radio access network eran enables new nfvbased. Cisco public 14 evolved packet system eps is the technology direction for 3gpp based networks long term evolution lte is the next generation 3gpp radio access network evolved umts terrestrial radio access network eutran system architecture evolution sae is the. The current utran has inherited its centralised network architecture with a quite. Umts tutorial pdf version quick guide resources job search discussion the universal mobile telecommunications system umts, based on the gsm standards, is a mobile cellular system of third generation that is maintained by 3gpp 3rd generation partnership project.
While current interworking for instance between 3g and 4g relies on intercn interfaces. Such technology comes with minimal cost, high energy efficiency, and centralized network architecture that attracted a lot of attention in both. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. Lte 4g ran architecture eumts introduction in previous generations, the base stations were controlled by a central device. To stop total cost of ownership from soaring, the proposed architecture will be softwareconfigurable and split between general. It contains the base stations, which are called node bs and radio network controllers rncs which make up the umts radio access network. Jul 31, 2017 23 3g ran nodeb nodeb is a term used in umts equivalent to the bts base transceiver station description used in gsm.
A c ran system centralizes different processing resources together to form a pool so that the resources can be managed and dynamically allocated on demand. Long term evolution lte is the next step forward in cellular 3g services. Cloud radio access network c ran is an innovative new architecture that tries to meet such needs by centralizing the base stations and providing a cooperative solution between multiple operators. User equipment the 3g system consists of two main parts. One such innovation is the distributed radio access network. The external interfaces of the ran domain except to the oss are standardized under 3gpp, as is the functional behavior of the ran domain as a whole. The umts world is an 3g mobile system news and information provider. It is a major part of modern telecommunications, with 3g and 4g network connections for mobile phones being examples of radio access networks.
From 3g to lte examines network architecture evolution in response to rapidly growing 3g data traffic and the planned introduction of long term evolution lte and system architecture evolution sae technology now also known as enhanced umts terrestrial radio access network eutran and evolved packet core epc, respectively in the 2010 to. Lte is designed with a modern ipbased architecture in mind and ipbased technology is a more. This is a hierarchical arrangement of cell towers and base stations. Ran architecture in 4g consists of evolved packet core epc, baseband unit bbu, and. Cran is a network architecture where baseband resources are pooled, so that they can be shared between base stations.
This is based on a set of standards used for mobile devices and mobile telecommunications use services and networks that comply with the international mobile telecommunications2000 imt2000 specifications by. Architecture of virtualization platform based cloud ran. Lectute5 3g ran architecture transmission control protocol. He has also worked with service layer research and explored new business models. Logical ran architecture target split into the functions rf, bpf, ppf, and rcft. The mscs of the gsm network interface with the pstn network to enable communication. Increased bandwidth endtoend ip simplified architecture. The key enabler towards c ran is the virtualization technology widely used in modern data. Evolving the radio access network architecture mobile broadband is approaching a point where cellular infrastructure originally designed for mobile telephony is a viable substitute for fixed broadband in many markets. Comparision of 3g wireless networks and 4g wireless. Current ran architecture is undergoing a transformation to increase deployment flexibility and network dynamicity, so that networks will be able to meet the performance requirements demanded by applications such as extreme mobile broadband and longrange massive mtc. The constituent parts of 3g umts network are mobile station. Pdf evolution of the utran architecture researchgate.
Mar 03, 2018 lte 4g ran architecture eumts introduction in previous generations, the base stations were controlled by a central device. The key enabler towards cran is the virtualization technology widely used in modern data. Radio access network an overview sciencedirect topics. Enterprise radio access network eran enables new nfv. Figure 2 gives an overview of the overall c ran architecture. When the 3g was introduced, cell phone users were finally able to talk and access data at the same time and with higher data rates.
With 2g and 3g being phased out, cloud ran will focus on 4g and 5g access. 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. Rnc radio network controller rnc is a governing element in the umts radio access network utran and is responsible. The network architecture can be divided into subsystems based on the nature of traffic, protocol structures, physical elements. The ue is the mobile phone and the utran is the base station and the network intelligence. A usim stores userspecific data very similar to 3g sim card. Furthermore, it will be assumed that the ran is connected to the 5g core and hence 5g. In 2g, it was the base station controller, and in 3g it. Jan 23, 2019 utran short for universal terrestrial radio access network is a collective term for the network and equipment that connects mobile handsets to the public telephone network or the internet.
A joint venture created by two operators is today managing a shared 3g radio access network between those two. A cran system centralizes different processing resources together to form a pool so that the resources can be managed and dynamically allocated on demand. 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. Rnc radio network controller rnc is a governing element in the umts radio access network utran and is responsible for controlling the nodebs that are connected to it. Evolving to an open c ran architecture for 5g 6 figure 3. The bssutran consists of base stations and controllers of base stations. C ran is a network architecture where baseband resources are pooled, so that they can be shared between base stations. This architecture was effective at 3g, but may not deliver the required.
This is based on a set of standards used for mobile devices and mobile telecommunications use services and networks that comply with the international mobile telecommunications2000. It could be anything like data and voiceenabled mobile phones, tabs or computers which could be used as an end user. Utran short for universal terrestrial radio access network is a collective term for the network and equipment that connects mobile handsets to the public telephone network or the internet. The benefits of cloudran architecture in mobile network. 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. It consists of base stations and radio access controller which bridges the gap between mobile station and core network. Lte provides a packet switched model at the sap, but retains a circuit switched model at the phy. Umts terrestrial radio access network handles all radio related functionality wcdma is radio interface standard here. Utran short for umts terrestrial radio access network is a collective term for the network and equipment that connects mobile handsets to the public telephone network or the internet. Separation of access technology, transport technology, service technology. The cloud ran approach to continue scaling the mobile data network effectively, innovative variants of the sc ran architecture are essential to meet a number of recent network challenges. An overview of the 3g network lunds tekniska hogskola.
Cloud ran for mobile networks a technology overview. Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. The highlevel network architecture of lte is comprised of following three main components. Public consultation 5g ppp architecture working group view on 5g architecture version 3. In 2g, it was the base station controller, and in 3g it was the rnc. Figure 2 shows the protocol architecture for the lower layers of the mobile station. Lectute5 3g ran architecture free download as pdf file. Comprehensive coverage of umts 3g news, licensing, business developments, 3g wcdma telecommunication technology, multi media mobile phones and future communications. Both the ue and the utran are composed of different layers. One such innovation is the distributed radio access network cloud ran or c ran architecture. In this network, the base terminal station btsnodebs aggregate the radio access network ran traffic and transport it over a mobile. White paper 5g ran architecture and functional design. Intro to 3g cellular systems and umts overview david tipper associate professor.
Overview of 3g mobile networks and the mobilenext broadband. In view of the far greater number of applications and facilities that it can perform, the decision was made to call it a user equipment rather than a mobile. To stop total cost of ownership from soaring, the proposed architecture will be softwareconfigurable and split between. Figure 2 gives an overview of the overall cran architecture. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low. Abstract with the rapid growth of the demands for mobile data, wire. Telecommunications network and service architectures. Nokia single ran consists of multipurpose hardware and common software for 2g, 3g, for td and fd 4g and 5g technologies. The base stations are called base transceiver stations btss or nobebs in 3g. A functional representation of 3g network architecture is shown in figure 1. Umts is a complete system architecture as in gsm emphasis on standardized interfaces. Wcdma radio access network ran architecture wcdma radio access network ran was standardized building on gsm main function of the wcdma radio network controller rnc is to control and manage the ran and radio channels radio network controller is connected to node b over i ub in theory an open interface other rncs over i ur. Home portfolio training catalogue 5g training 5g ngran architecture contents the course starts with a general description of the 5g system elements and principles, various ran core and dual connectivity options, followed by a discussion of aspects of the new air interface and the nodes, interfaces and procedures in the ngran.
Long term evolution protocol overview nxp semiconductors. This includes leading the definition of 3g ran, before and within the 3gpp, and more lately indoor solutions. In some versions, there are also radio network controllers rncs that link to the btss to form a radio network subsystem rns. These will coexist with legacy 23g, long term evolution lte.
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