Mobile network coordinated network for seamless access and seamless mobility 1 2 3 pstn landline 8. Named as lte long term evolution, the 4g system architecture is made up of an epc evolved packet core and evolved universal terrestrial radio access network eutran. The network vision concept also supports 4g lte based services. If sub6ghz band is not available, operators will have to depend on the lte access network for wide coverage. 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. White paper 4g lte enterprise network architectures using 4g lte maximizing the value of your wireless network what youll get. The evolved umts terrestrial radio access network eutran. A baseline architecture for private lte is shown in figure 2. Pdf survey on lte network architecture and its security aspects. Qualcomm the corenetworkinabox is typically virtualized and is deployed on premises to ensure that traffic stays local to the site.
Nov 14, 2015 this video explains lte meaning, full forms, speed and all important components of lte architecture like network, eutran, sae, epc, mme, hss, sgw, pgw, pdn, enb, enodeb etc category. Dcs nideag metro network mplsethernet ipmpls csr core csr bsc msc mme pdsn sgw metrocellmicrocell nxt1e1, ds3, oc3. Core network planning lteeps and umts course description. In order to achieve this, the lte network architecture introduces a number of new network nodes and interfaces to implement the necessary functionality and manage the exchange. Appreciating the magic of mobile requires understanding the evolution from 1g to 4g lte. Global operators are promoting early deployment of. Todays progressive enterprises, in virtually all industrial sectors, are pursuing softwaredriven operating models using analytics, automation and machine communications to improve productivity. Analyse the network architecture, the functions of the network nodes, the protocol s and operation of the system. Deliver a reliable, low cost connection simplify services growth and scale. Learn 2g3g 4glte mobile packet core network in 5 hrs. How can we compare the 4g network architecture to 5g. Mobile 4g lte lte, lte advanced mobile 1g amps, nmt, tacs richer content. Jan 16, 2011 the presentation on lte long term evolution slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. It includes radio access, devices and core network.
In long term evolution lte, as with other cellular technologies, drive testing is a part of the network deployment and management life cycle from the early onset. Mec deployments in 4g and evolution towards 5g 4 introduction multiaccess edge computing is regarded as a key technology to bring applicationoriented capabilities into the heart of a carriers network, in order to explore a wide range of new use cases, especially those. Long term evolution protocol overview nxp semiconductors. Flexibility of 4g architecture for social networking 4g communication architecture will provide access through a collection of radio interfaces, seamless roaminghandover and the bestconnected service, combining multiple radio access interfaces such as wlan, bluetooth and gprs into a single network that subscribers may use. 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. The physical layer itself maintains the continuous connection model, especially on the downlink, where there is continuous transmission. System architecture evolution national chengchi university. Long term evolution lte is explicitly designed to deliver highspeed, high quality services to mobile subscribers.
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. While each of sprints network vendors has slightly different architectures, the overall principle is the same. Pgw lies in the home network, through which all the users traf. Telecom operators are growing increasingly concerned with the creation of a new target network to maximize return on investment roi and achieve business success while maintaining a competitive edge for the future. Typical mobile network architecture with mobile backhaul network portion highlighted. Global lte subscriber base maximizes benefit of lte innovations 2g gsm 4g lte 3g wcdma cdma lte more subscriptions than 2g and 3g combined in 2021 wcdma expected to be surpassed by lte during 2017 gsm expected to be surpassed by lte during 2018 5g new radio massive subscriber takeup peak expected during 2020s.
A survey of business users in the united states identifies high satisfaction among adopters of 4g lte and they report a wide range of benefits, as shown in figure 31. Msc pcrf hss 4g radio access network internet wag aaa lte wifi mobilitycentric future internet architecture lte wfia wifi wfia interface standard fia. As they have evolved, cellular and wifi have sensibly borrowed ideas from each other, resulting in systems that share characteristics in the physical layer, mac, and, more recently, overall network architecture. The enodeb equipment is collocated with 3g equipment often in the same equipment cabinet. Architecture for localarea private lte networks source. 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. Useful for email, file transfer, web browsing, and p2p.
Mobile edge computing platform deployment in 4g lte. Lte has the advantage of being backwards compatible with existing gsm and 3g technologies, enabling mobile operators to deploy lte and. The network architecture for 4g is connectionoriented and based on centralized mobility anchor points. With 2g and 3g networks, so that it must be operated on a separate radio spectrum. Increased bandwidth endtoend ip simplified architecture. The lte advanced standard formally satisfies the itur requirements to be. Lte network architecture evolution ville eerola helsinki university of technology ville. This video explains lte meaning, full forms, speed and all important components of lte architecture like network, eutran, sae, epc, mme, hss, sgw, pgw, pdn, enb, enodeb etc category.
Recent research on wireless communication technology concentrates on improvement and advancement of 4glte technology and 5g. However, in order for deployment of a 4g lte network to make business sense, it must be implemented in a way that streamlines operations. The general claim is that 4g lte networks can download data at speed. Long term evolution lte is designed to deliver very fast data speeds faster than most home wired broadband services. A survey of business users in the united states identifies high satisfaction among adopters of 4g lte and they report a. Difference between 3g and 4g technology with comparison. In addition to lte, 3gpp is also defining ipbased, flat network architecture. Jul 10, 2017 the difference between 3g and 4g technology is based on technology compliance, data transfer rate, capacity, ip architecture and number of connections, etc. 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. We will also cover 5g deployment scenarios from the specs as well as some of the informative web resources. Lte has the advantage of being backwards compatible with existing gsm and 3g technologies, enabling mobile operators to.
Eps is divided into two parts lte part which deals with the technology related to a radio access network eutran and epc part which deals with the technology related to a core network. Drive testing provides an accurate realworld capture of the rf environment under a particular set of network and environmental. This architecture is defined as part of the system architecture evolution sae effort. Lte evolved from an earlier 3gpp system known as the universal mobile telecommunication system umts, which in turn evolved from the global. Launch of first 4g lte commercial networks in scandinavia. The evolved packet core communicates with packet data networks in the outside world such as the internet.
Wireless telephone technology, wireless access, broadband, 1g, 2g, 3g, 4g, long term evolution, ultramobile. Mobile edge computing platformdeployment in 4g lte. Comparision of 3g wireless networks and 4g wireless networks. This document presents the lte network architecture as the first technical document of lte area. Sprints better buildings network efficiency strategy. Ieee communications surveys and tutorials 19, 3 2017, 16571681. Compared with the conventional servers on the internet, our mec platform can shorten the web services median latency and the video services 95th jitter with up to 69. Named as lte long term evolution, the 4g system architecture is made up of an epc. This network is composed of three major subnetworks.
First, the evolution from third generation 3g to fourth generation 4g is described in terms of performance requirements and main characteristics. Lte architectural benefits key objectives of 4g lte networks are to support higher data rates, improve spectral efficiency, reduce network latency, support flexible channel bandwidths, and simplify or flatten the network by utilizing an all packet ethernetip architecture. The business benefits of 4g lte 8 4g lte provides the network performance that many mobile applications need to deliver the benefits described above. This keeps information about the users phone number, home network identity and security keys etc. Pdf 4g is new wireless technology developed by the third generation. Mobile 4g lte lte, lte advanced mobile 1g amps, nmt, tacs richer content video more connections 1 peak data rate for gsmgprs, latest evolved edge has peak dl data rates capable of up to 1. Radio protocols for lte and lte advanced pdf download. In this case, operators might choose to deploy a hotspot based 5g sa or nsa network using mmwave band. The presentation on lte long term evolution slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
The highlevel network architecture of lte is comprised of following three main components. Use of digital coding, modulation and communications. Mobile network evolution university of oulu 9th october 2017. Nov 30, 2017 4g network architecture is essentially a cellular network architecture wherein with the current stage of lte release, 1gbps is the ideal achievable downlink speed and it permits a high speed uplink as well. Global operators are promoting early deployment of 5g and. If you continue browsing the site, you agree to the use of cookies on this website. This paper provides an indepth view on the technologies being considered for long term evolutionadvanced lte advanced.
Lte network architecture webinar aircom international 4g. The mobile equipment comprised of the following important modules. 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. An adtran white paper 4glte mobile backhaul reference. Allows the home network operator to see all the traf. Lte is a technology based on ofdm,using a flat network architecture without rnc. Lte provides a packet switched model at the sap, but retains a circuit switched model at the phy. Smooth handovers across heterogeneous networks, including 2g. Lte 4g network architecture lte core network mobile. 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. The lte network architecture has been presented as the first document of the lte technical document series.
Course contents historical vision lte capabilities system architecture 3. This paper provides an indepth view on the technologies being considered for long term evolutionadvanced lteadvanced. A usim stores userspecific data very similar to 3g sim card. Eutran is a radio access network of 3gpps longterm evolution lte. The lte network called eps evolved packet system is an endtoend e2e all ip network.
For the distributed enterprise market, 4g lte network technologies are a catalyst for new enterprise network architectures, innovative business paradigms, and improved operations. 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. The lte network architecture explained in this document applies to a lte only network provided by a single operator and thus has. Royalty rates for telecommunications royalty rates and licensing strategies for essential patents on lte 4g telecommunication standards by eric stasik eric stasik, director, avvika ab, stockholm, sweden email. Summary introduction to wireless lte 4g architecture and key. The nodes use the control plane, in order to exchange signaling messages between each other. Comparision of 3g wireless networks and 4g wireless. Lte, long term evolution or 4g lte network architecture and protocols epc lte core network architecture and functions service interworking between 2g3g and lte mobility management in lte networks. Lte a solution for 4g mobile broadband ramon millan. The difference between 3g and 4g technology is based on technology compliance, data transfer rate, capacity, ip architecture and number of connections, etc.
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