Pdf on jan 1, 2009, jorg eberspacher and others published gsm architecture, protocols and services 3. This preserved improvements for latency protocol evolution and functional split, but had constraints in terms of support for legacy terminals and hardware changes. The present document has not been subject to any approval process by the 3gpporganisational. Gtpc is used within the gprs core network for signaling between gateway gprs support nodes ggsn and serving gprs support nodes sgsn, as demonstrated by the gn interface on the diagram below. The osi architecture is not a specific fixed set of protocols and standards, it is the definition of the functional layers of networks and of the protocols and standards that may be used. A 5g nr radio access network node has been named the next generation node b gnb by 3gpp. The functions of the various network elements are as follows. Tinnirello iub bs rnc new ran architecture iurinterface is available for soft handover, bsc rnc. Cellular networks, 3g, umts, security architecture, aka, kasumi.
This allowed for a better full service for cell phone users wishing to access the. Dec 26, 2019 the implementation of 5g while still using 3g and 4g networks will bring up a new frequency spectrum challenge for mobile network operators. Rrc messages are transported via the pdcp protocol. Dec 22, 2004 3g mobile networks, based upon umts universal mobile telecommunications systems wcdma standards, provide valueadded digital services along with traditional voice to a rapidly growing global mobile subscriber base written for engineers and wireless network professionals, this is a detailed explanation of the umts 3g mobile communications protocol and the networks that ru.
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. A network synch ntp server is integrated in rnc and a client is in rbs synch server connection is based on ntp protocol network time protocol over udpip network synchronization for an ip connected rbs is achieved by aligning the frequency of the rbs to the frequency of an ntp server. Identify module provisioning, ip internet protocol session wakeup. For example, in 3g umts and 4g lte, the network node is termed node b nb and evolved node b enb, respectively. Utran umts terrestrial radio access network handles all. Ftp is built on a clientserver model architecture and uses separate control and data connections between the client and the server.
Comparision of 3g wireless networks and 4g wireless networks. Geran and utran networks are shown as well for completeness. The file transfer protocol ftp is a standard network protocol used to transfer computer files between a client and server on a computer network. Controlplane protocol interactions in cellular networks. This thesis studies two different selfhealing approaches the centralized activebackup and distributed activeactive and conducts simulation for each approach in various failure scenarios. Iu is the interconnection point between an rnc and the 3g core network. The hss is the database that stores the subscription information of the users in the network, like which pdn they should be able to access, and the qos they should have, etc. When designing the evolution of the 3g system, the 3gpp community decided to use ip internet protocol as the key protocol to transport all services. 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.
Pdf over the last years 3g standardization has been quite active, leading in new. Cn core network is responsible for transport functions such as switching and routing calls and data, tracking users usim me. Its best known work is the development and maintenance of. Gprs, the industry is now rapidly moving towards third generation 3g networks. The detachprocedure can be triggered either by the device e. Based on nfv and sdn, physical infrastructure of the future network architecture consists of sites and threelayer dcs. Kth information and communication technology 2g30 mobile and wireless network architectures maguire total pages. Eapsimaka are used in 3gwlan network interworking from the. Ppt 3g architecture and protocols powerpoint presentation. All incoming and outgoing cs connections go through gmsc. Overview mcgrawhill professional networking series.
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. Summary introduction to wireless lte 4g architecture and. A free powerpoint ppt presentation displayed as a flash slide show on id. Example of an aaa protocol architecture in 3gwlan interworking. Integration of 3g and wireless lan wlan becomes a trend in current and future wireless networks, and brings many benefits to. The eutran the access network the architecture of evolved umts terrestrial radio access network eutran has been illustrated below. Connectionless service vs connectionoriented circuits.
From 2000 to 2010 called smartphones video calls fast communication mobil tv 3g phones rather expensive. This data network overlaps a secondgeneration gsm network providing packet data transport at the rates from 9. Functional split between the eutran and the epc following diagram shows the functional split between the eutran and the epc for an lte network. Of course, in practice, people tend to associate a network architecture with its most popular standards and protocols. Radio access networks, services and systems aspects, and core network and terminals. It is a layer 3 network layer protocol used between ue and base station. With the change from 2g to 3g, the emphasis for the systems changed from a focus on mobile voice communications to mobile data and general connectivity. Lte 4g network architecture lte core network mobile. Introduction to networking protocols and architecture. Umts network architecture cn and an entities and procedures. The visited network should know about the visitor as little as possible but still be able to route aaa requests to the home network. Protocol signaling procedures in lte radisys white paper 2 network architecture in figure 1, the architecture of the lte network is given with the various interfaces between the network elements.
Apsen analysis for beyond 3g wireless networks diva. F5 and the growing role of gtp for traffic shaping, network. Telcom 2720 22 utran architecture utran contains several. Tcpip tutorial and technical overview december 2006 international technical support organization gg24337607. System architecture evolution sae is the core network architecture of mobile communications protocol group 3gpps lte wireless communication standard sae is the evolution of the gprs core network, but with a simplified architecture. Gtp control gtpc, gtp user gtpu, and gtp prime gtp. Tinnirello iub bs rnc new ran architecture iurinterface is. Network protocol architectures standards, protocols, layered architectures, osi architecture, tcpip architecture standards, protocols, layered architectures standards and protocols are used to define representation and interaction modes within a network and to make certain functions generally available. Umtsimt2000 phase1 release 99 network architecture and standards shall allow. Geran and utran networks are shown for completeness. This enables network operators to enjoy the improved costefficiency of umts while protecting their 2g investments and reducing the risks of implementation. From the figure we can identify more general parts of a protocol stack, the physical and mac layers and the link layer, called rlc. Find, read and cite all the research you need on researchgate.
Build first, standardize later osi took too long to standardize. The part of the network that is accessed via the sgsn is often referred to as. Umts system architecture ue user equipment that interfaces with the user utran umts terrestrial radio access network handles all radio related functionality wcdma is radio interface standard here. Intro to 3g cellular systems and umts overview david tipper associate professor. This keeps information about the users phone number, home network identity and security keys etc. Umts cellular network, section 3 deals with the processes, agreements and algorithms involved in. The radio resource control rrc protocol is used in umts, lte and 5g on the air interface. A seminar on 3g architecture and protocols outline concept of mobile communication network architecture procedures in umts ip initiative mobile communication is the. Overview of 3gpp release 99 summary of all release 99 features.
In 3gpp terminology, a base station is an implementation of a logical radio access network node. Umts system architecture and protocol architecture tu ilmenau. Support of short message service over generic 3gpp internet protocol access. A usim stores userspecific data very similar to 3g sim card. The 3rd generation partnership project 3gpp is an umbrella term for a number of standards organizations which develop protocols for mobile telecommunications. Network architecture figure 1 illustrates the lte network architecture with the various interfaces between the network elements. The rnc delivers to the 3g sgsn the discarded or forwarded volume. Pdn refers to public data network, and it is the network that the ue would like to connect to. As a result, sae calls for a transition to a flat, allip core network, called the evolved packet core epc, that features a simplified architecture and open interfaces as defined by the 3gpp standards body. Once it completes, the mobile device is registered until being detached. In umts 3g, this dualdomain concept is kept on the core network side. Figure 2 shows the protocol architecture for the lower layers of the mobile station. With the change from 2g to 3g, the emphasis for the systems changed from a. Comparision of 3g wireless networks and 4g wireless.
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. Rome 35 nov 2009 2 agenda synchronization in 3g radio access network. Some network elements have evolved but the concept remains very similar. Gprs architecture works on the same procedure like gsm network, but, has additional entities that allow packet data transmission. What is umts network architecture radio access radio interface frequency bands umts cdma modulation data channels umts tdd tdsdcdma handover. Ranap iu up protocol layer transport network layer physical layer transport user network plane control plane user plane transport user network plane transport network control plane radio network layer atm sscop aal5 sscop sscfnni aal5 aal2 mtp3b mtp3b sccp sscfnni lahde. 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 core network use a hierarchical structure for both routing traf. References for wi architecture of the gsmumts platform.
This will entail a heavy investment cost on the side of the mobile network operators. Protocol sctp to handle increased signaling loads in lte and 3g networks. The attach procedure is mandated by mobility management control protocols i. E2e network slicing is a foundation to support diversified 5g services and is key to 5g network architecture evolution. Core network node b node b node b node b iu iu iur iub iub iub iub utran figure 1. Protocol architecture an overview sciencedirect topics. Umts network architecture basic configuration, release 3. An overview of the 3g network lunds tekniska hogskola. The umts network was based on that used for 2g, although major changes were seen to some terminology and to the radio access network. Fundamentals of network planning and optimisation 2g3g4g.
Uses routing tables prepared by routing protocols, e. Security architecture in umts third generation cellular networks. Architecture, mobility management, and quality of service for. In this work, we conduct an indepth study of these interactions and their impact on performance, using a combination of active and passive measurements. To solve this challenge, they will need to upgrade their frequency range, say up to 300 ghz. Layer 3 protocol that forwards datagrams across internet. The 3gpp organizes its work into three different streams. Standards and protocols usually come in groups that work well together and.
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