Long term evolution, lte, umts, hspa, flat architecture 1. The architecture for umts is umts network architecture ran corenetwork ue umts tutorial umts aims at a peak downlink throughput of 85mbps while for lte it is around 325 mbps. The universal mobile telecommunications system umts is a third generation mobile cellular system for networks based on the gsm standard. Mobile network technologies gsmgprsumtslte youtube. Below is a brief description of each of the components shown in the above architecture. This document provides a brief overview of the lte network architecture as the first technical document of lte area. The home subscriber server hss component has been carried forward from umts and gsm and is a central database that contains information about all the network operators subscribers. Lte architecture the infrastructure of an lte cellular network comprises the eutraeutran air interface and the evolved packet core epc, which includes the gateways, mobility management and subscriber databases. Impact on the overall network architecture including the core network is referred to as 3gpp system architecture evolution sae. In lte network, the control plan messages from the enodeb must first pass by the mme, then it goes to the sgw and the pgw. This page on umts vs lte describes difference between umts and lte systems.
This causes a need for mobile operators to update their. Proposes a system view of evolved umts, from the radio to core and service architecture gives a comprehensive and global view of the system that technical specifications do not provide describes the new system as well as the inheritance and migration from 2ggsm and 3g umts written by experts in the field who specialise in two complementary but. Mimo requires two or more different antennas with different data. Basic lte architecture video eutran, enodeb, epc, sgw, pgw. 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. Nov 05, 2018 umts inherited its core from the gsmgprs architecture. Difference between lte and ims compare the difference. Therefore, gprs term can be used to call the ps domain in both 2g and 3g networks. We will also cover 5g deployment scenarios from the specs as well as some of the informative web resources. Irving2,b 1 department of computer science, federal university lafia, nasarawa state, nigeria 2 department of computing, engineering and technology, university of sunderland, sunderland, sr6 0dd, united kingdom. 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. Umts inherited its core from the gsmgprs architecture.
Long term evolution, lte network contains below nodes. Difference between wcdma and lte compare the difference. In order to simplify protocol architecture, lte brings some major changes to the existing umts protocol concepts. I will continue, making a small analisi of thecdma2000 system, i coment a. Irving2,b 1 department of computer science, federal university lafia, nasarawa state, nigeria 2 department of computing, engineering and technology, university of. Lte architecture article about lte architecture by the. The lte network architecture has been presented as the first document of the lte technical document series. Jul, 2011 lte was able to achieve high spectral efficiency with ofdm, while providing robustness for multipath fading. Building upon on the success of the first edition, lte for umts, second edition has been revised to now contain improved coverage of the release 8 lte details, including field. While legacy networks employed a hierarchical architecture, eutran uses a flat architecture.
Long term evolution and the 4g technology known as lte advanced. Pdf performance comparison of umts and lte on the basis. The components of lte carried forward from umts and gsm. Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. The user equipment or ue is a major element of the overall 3g umts network architecture. The msc then analyzes the national destination code of the phone number, which usually comprises the. Lte supports services like voip, multicasting, and broadcasting more efficiently than the previous 3gpp specifications. Basic lte architecture video eutran, enodeb, epc, sgw, pgw, mme, hss, pdn by telcoma global. Lte uses simplified ran architecture with only base stations, called enodeb, while umts uses base stations nodeb and controllers rnc. In order to simplify protocol architecture, lte brings some major changes to the existing.
Introduction nokia siemens networks nokia siemens networks and umts forum umts forum, 2009 argues that data traffic in existing wcdmahspa and cdma networks is growing dramatically year by year. Umts is universal mobile telecommunication system which is also known as 3g. Read an excerpt chapter pdf table of contents pdf index pdf download product flyer. All the usual functions enabling access toth e network, roaming and the like are also supported. A usim stores userspecific data very similar to 3g sim card. Lte 4g network architecture lte core network mobile. What is gsm, edge, gprs, umts 3g, hsdpa, hsupa, lte 4g.
Download product flyer is to download pdf in new tab. Umts system architecture and protocol architecture overview on overall system architecture umts network architecture and elements mobile station. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. Lte refers to long term evolution, and the architecture of the lte network is as following. The goal of lte was to increase the capacity and speed of wireless data networks. Physicalcommunication32010217244 219 table 1 lte,lteadvanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul.
Longterm evolution timedivision duplex lte tdd, also referred to as tdd lte, is a 4g telecommunications technology and standard codeveloped by an international coalition of companies, including china mobile, datang telecom, huawei, zte, nokia solutions and networks, qualcomm, samsung, and stericsson. Based on the mobility and session management mechanisms of the umts and cdma2000 ps service domains, an integrated architecture and intersystem roaming procedures are proposed to show the. The cross reference between gsm, umts, 3gpp and etsi identities can be found under. Evolutionary analysis of gsm, umts and lte mobile network architectures paschal a. Ims ip multimedia subsystem is a standalone system. Lte have a significant effect on the operation of mobile devices. Both are cellular wireless technologies developed for mobile communications. In 1991 the gsm standard was deployed using the 900 mhz band gu and peng, 2010.
Lte is actually a wireless broadband technology developed to support roaming internet access using mobile phones. Summary introduction to wireless lte 4g architecture and key. The highlevel network architecture of lte is comprised of following three main components. Evolution system architecture evolution ltesae towards ubiquitous. Roaming architecture for pc5 and lteuu based v2x communication. Umts long term evolution lte technology introduction. The lte network architecture explained in this document applies to a lte only network provided by a single operator and thus has. The lte network architecture explained in this document applies to a lte only network provided by a single operator and thus has covered the most basic components of the eps system. Outline of the lecture evolutions form gsm to umts. This page on gsm vs umts describes difference between gsm and umts. Basic lte architecture video eutran, enodeb, epc, sgw. Cdma subscriber identity module csim or reuseable identification module ruim. Evolution types evolution contains not only technical evolution but also expansion to network architecture and services.
The architecture for a umts network was designed to enable packet data to be carried over the network, whilst still. Umts supports wcdma meanwhile for lte it is ofdma in downlink and scfdma in uplink. It will not completely substitute the manual configuration and optimization. Universal mobile telecommunications system umts lte architecture. The idea of ims is old, but after its deployment with lte users and operators can harness the true power of ims. Logically, the cn is divided into the cs circuit switched domain and the ps packet switched. Umts 3g and lte 4g at a glance the demand for an always on connection to the different services on web and personal communication services has supported the development of broadband connection services. Written by experts actively involved in the 3gpp standards and product development, lte for umts, second edition gives a complete and uptodate overview of long term evolution lte in a systematic and clear manner. Jul 10, 20 this document provides a brief overview of the lte network architecture as the first technical document of lte area. Lte stands for long term evolution and is a registered trademark owned by etsi european telecommunications standards institute for the wireless data communications technology and a development of the gsmumts standards.
This paper provides an overview of ims, its architecture and applications from the perspective of the lte user equipment ue. Categorized under communication,technology difference between gsm and umts gsm vs umts gsm is an abbreviation of global system for mobile communication, originally it is known as group special mobile. Lte the umts long term evolution from theory to practice second edition stefania sesia stericsson, france. Lte 4g network architecture gn interface and gp interface your guide to lte interfaces routing area update rau in gprs combined attach procedure in gprs how sgsn selects the ggsn in gprs, using idns and edns your guide for lte attach procedure apn what is it in a mobile network. The mobile equipment comprised of the following important modules. The ran is used to process all the radiorelated functions, while the cn is used to process all voice calls and data connections within the umts system, and implements the function of external network switching and routing. Jun 02, 2016 basic lte architecture video eutran, enodeb, epc, sgw, pgw, mme, hss, pdn by telcoma global. This application note introduces lte fdd and tdd technology and related testing aspects.
Separation of access technology, transport technology, service technology. The technical paper utrautran long term evolution lte and 3gpp system architecture evolution sae is a good starting point initiated in 2004, the long term evolution lte project focused on enhancing the universal terrestrial radio access utra and optimizing 3gpps radio access architecture. Both the systems are used for cellular mobile communications. Umts is the 3g specifications for mobile communications and wcdma is one of the proposed radio access technologies for umts. Gsm works on ftdma principle while umts works on cdma principle. In this second part of 15 mins with 5g we will start looking at the 3gpp specifications for 5g network architecture and learn how to refer the specs. Ps signaling connection ready state rnc service request sgsn. Umts has defined tddcdma or fddwcdma with frequency ranges of 19201980 and 21102170 mhz frequency division duplex fdd, wcdma and 19001920 and 20102025 mhz time division duplex tdd, tdcdma. It also provides a look at the evolution to a dataonly lte network and includes a discussion of. Lte long term evolution and ims ip multimedia subsystems are both technologies developed to cater the next generation of the broadband mobile services.
Packet data network pdn gateway pgw epcs point of contact with outside world. At first i will center the study in the objectives and main characteristic of this generation. Enhancement of the utra optimisation of the utran architecture to ensure the continued competitiveness of the 3gpp technologies for the future lte was the first and only technology recognized by the next generation mobile network alliance to meet its broad requirements target deployment in 2010. Difference between gsm and umts difference between. The internal architecture of the user equipment for lte is identical to the one used by umts and gsm which is actually a mobile equipment me. Under 3g or umts, the data downloading speed is about 10 to 15 mbps.
Wcdma including the ran radio access network and the cn core network. The global system for mobile communications formerly groupe continue reading what is gsm, edge, gprs, umts 3g, hsdpa, hsupa, lte. February, 28th 2005 overview in this document i make a study of third mobiles generation systems. Umts universal mobile telecommunications system, is the 3g successor to the gsm family of standards including gprs and edge. Umts networks oliver waldhorst, jens muckenheim oct11 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. This is directly reflected in huge mobile broadband capable system s namely. Lte and umb and then look into the details system architecture evolution the. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low. This keeps information about the users phone number, home network identity and security keys etc.
In order to meet the requirements for lte networks, the evolved utran e utran architecture has been improved dramatically from the 3g3. First, the lte network reference model is defined and its basic evolved packet system eps entities and the functions of each entity are described. 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 umts gprs protocol architecture references. 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.
The functions of the enb in eutran systems include not only base station nodeb functions to. Developed and maintained by the 3gpp 3rd generation partnership project, umts is a component of the international telecommunications union imt2000 standard set and compares with the cdma2000 standard set for networks based on the competing cdmaone. To call b, the phone number of b is sent by a to the msc. Evolutionary analysis of gsm, umts and lte mobile network. Course contents historical vision lte capabilities system architecture 3.
Developed and maintained by the 3gpp 3rd generation partnership project, umts is a component of the international telecommunications union imt2000 standard set and compares with the cdma2000 standard set for networks based on the competing. Difference between umts and wcdma network technology. However, other nations and companies do play an active role in the lte project. The architecture for a umts network was designed to enable packet data to be carried over the network, whilst still enabling it to support circuit switched voice. Universal mobile telecommunications system umts umts is regarded as a third generation 3g wireless communication system that acts as a successor to the second generation 2g communication technologies and is an evolved version of gsm gprs and edge poole, 2006. Lte was able to achieve high spectral efficiency with ofdm, while providing robustness for multipath fading.
It resides out of the lte network and connected to pdn gateway through sgi interface. Lte is a step beyond 3g and towards the 4g, evolved after edge, umts. Lte also k nown as evolved utra and evolved utran provides new physical layer concepts and protocol architecture for umts. 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. The network architecture can be divided into subsystems based on the nature of traffic, protocol structures, physical elements.
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