Base level umts networks are generally capable of downlink speeds as 384 kbps. Intro to 3g cellular systems and umts overview david tipper associate professor. Upgraded version of gateway gprs support node telcom 2720 9 core network the core network cn and the interface i u are separated into two logical domains. A study on third generation mobile technology 3g and. Like any form of wireless data link, the data needs to be managed to enable the system to handle it efficiently and effectively.
This architecture is well suited to address both network slicing and the more advanced mobility needs described in 5g requirements. Network slicing is a specific form of virtualization that allows multiple logical networks to run on top of shared physical network infrastructure. The high data transfer rates will allow 3g networks to offer multimedia services combining voice and data. Over the last years 3g standardization has been quite active, leading in new directions both in the network and the service provision architecture. Increased bandwidth endtoend ip simplified architecture. This paper explores the 3gpp 5g network architecture from release 15 phase 1 and how this will evolve with the introduction of next generation core ngc network. In the 3g umts network the rnc is located in the utran and controls.
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. Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. Pdf over the last years 3g standardization has been quite active, leading in new directions both in the network and the service. A logical view of the network is shown in figure 1. Umts terrestrial ran utran utran consist of core network cn, radio network subsystems rnss. A gprs network is composed of the following network nodes. It was the combination of these two network elements that provided the basis for the 3g umts network architecture. There are broadly two categories of logical channels available. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low. The mobile phone and subscriber identity module, the umts radio access network and, supporting voice with the circuit switched core network. For example, a diagram that illustrates the relationship between software components. The first precommercial 3g network branded as foma launched in may 2001, by ntt docomo in japan. Radio resource management in 3g umts networks muhammad abdur rahman haider abu bakar bhatti. With this change in network architecture, as shown in figure 2, the security.
Both centralized cran cudu separated and gnb cudu integrated may be widely introduced. 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. Le reseau d acces 4g est appele lte long term evolution of 3g ou eutran evolved. It delivers packets to the mss and communicates with the. The objective of this paper is to explain the need of femtocell and its basic architecture. Spectrum for 4g multiplexing of atm group offering a logical band antennas. Lte has a whole internet protocol ip network architecture s structure and is intended to support voice, favoring visual or voice blogs online. The rnc has the responsibility to control overall logical resources of the node b. The umts network was based on that used for 2g, although major changes were seen to some terminology and to the radio access network. Different issues related to the physical deployment in the access, metro and core networks of the 5g network are discussed in section 5 while in section 6 we present software. 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 wireless industry defined each functional element in the network, as well as a set of standard interfaces for interconnecting each of these devices. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. The paper starts with a discussion about interworking between lte and 5g then explores.
A study on third generation mobile technology 3g and comparison among all generations of mobile communication. Separation of access technology, transport technology, service technology. The midhaul and backhaul are overlapped and need unified transport technology. Mooc introduction aux reseaux mobiles mooc supports. Evolutionary analysis of gsm, umts and lte mobile network architectures paschal a. The difference between logical and physical architecture. In this network, the base terminal station btsnodebs aggregate the radio access network ran traffic and transport it over a mobile. The mobile station and base station communicate by means of several physical channels that are transmitted on a given frequency assignment. Comparision of 3g wireless networks and 4g wireless. The rnc, node b and ms together are called the serving radio network system srns. Technical overview of 3gpp lte indian institute of. Umts networks andreas mitschelethiel, jens muckenheim oct12 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.
A functional representation of 3g network architecture is shown in figure 1. The additional components of the gsm architecture comprise of databases and messaging systems functions. Customized applications for mobile network enhanced logic. One change is that a number of the functions previously handled by the core network have been transferred out to the periphery. So, in post, a comprehensive overview of the network architecture and basic working principle of lte network is going to be discussed. World scientific news 54 2016 2739 29 the gsm architecture is made up of majorly three subsystems which include the mobile station, network and switching subsystem nns, and the base station. A 3g cellular logical baseline architecture is shown in the figure below. Logical architecture is a structural design that gives as much detail as possible without constraining the architecture to a particular technology or environment. Umts logical channels and transport channels 3glteinfo. The mobile station ms the base station subsystem bss the network switching subsystem nss the operation support subsystem oss given below is a simple pictorial view of the gsm architecture. Comparision of 3g wireless networks and 4g wireless networks. The radio access network changed considerably as a completely new radio interface was used based around the use of cdma.
Radio access network gsmgprs core network bss pstn, isdn bts bsc msc vlr. Logical channels define what type of information is being transferred and transport channel defines how the information is being transferred logical channels. Iu is the interconnection point between an rnc and the 3g core. Research article architectural shift from 4g to 5g. Mobile communication networks andreas mitschelethiel, florian evers 3 2g to 3g evolution. Sae system architecture evolution with the very high data rate and low latency requirements for 3g lte, the system architecture must evolve to achieve the performance improvement benchmarks. Pdf umts networks architecture, mobility and services. Evolutionary analysis of gsm, umts and lte mobile network. This architecture was effective at 3g, but may not deliver the required. Ipbased systems offer network operators the opportunity to expand their services, integrating voice and multimedia communications and delivering them into new environments. Pdf mobile network architecture evolution 1g to 4g nigel. Umts makes use of wcdma, a technology that shares much with cdma networks used throughout the world, though it is not compatible with them. Logical channels reside between radio link control rlc and medium access control mac layer. Goals and requirements, comp lete system architecture, core network evolved packet system, lte channel and.
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. After the much used 2g and 3g network technologies, the 4g technology consists of all the basic. The umts architecture takes advantage of the existing gsm and gprs networks which serve as a core network in umts infrastructure. Figure 3 shows the system model that proposes design of network architecture for 5g mobile. Umtswcdma logical, transport and physical channels wcdma is the main air interface standard for the 3g umts mobile network. Logically, iur represents a pointtopoint link between rncs, however the physical realisation may not be a pointtopoint link. Thus, in order to achieve the goals, the architecture of the network if different from the previous wireless data transfer network, gprs. Logical architecture vs physical architecture simplicable. Camel service environment cse is a logical entity in the. Ip multimedia subsystem ims in 3g mobile networking. The rnc and its corresponding node bs are called the radio network. The network architecture can be divided into subsystems based on the nature of traffic, protocol structures, physical elements.
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