4g lte architecture pdf

Todays topic 2g3g mvno policies subscriber management billing 4g lte network. How can mvnos successfully and quickly take advantage of lte. Long term evolution is the latest advancement of the 3gpp standards. Lte stands for long term evolution and it was started as a project in 2004 by telecommunication body known as the third generation partnership project 3gpp. Lte preliminaries in this section, we provide a brief primer of 4g lte.

First, the lte network reference model is defined and its basic evolved packet system eps entities and the functions of each entity are. First, the lte network reference model is defined and its basic evolved packet system eps entities and the functions of each entity are described. During a common wide area radio access technology and supple network architecture wimax and lte has facilitate convergence of mobile and fixed broadband. This document provides a brief overview of the lte network architecture as the first technical document of lte area. Ims ip network pstn or lte ip network calling party called party originating network terminating network access agnostic services independent open architecture multidevice. Although lte is often marketed as 4g, rstrelease lte does not fully comply with the imtadvanced 4g requirements.

What is required for true mvno interoperability with lte. The paper starts with a discussion about interworking between lte and 5g then explores. Similar architecture as the macro cell base station optical fiber and cat5e lan cable advantage no rf cable, no loss. Mar 26, 2012 in lte architecture, evolved utran eutran is an important role which is the air interface of lte upgrade path for mobile networks meanwhile it is accompanied by an evolution of the nonradio aspects under the term system architecture evolution sae, which includes the evolved packet core epc network. Lte makes it easier to deploy a private, 3g or 4g longterm evolution lte broadband network. 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. It is an integration of various technologies including gsm,cdma,gprs,imt2000,wireless lan. Increased bandwidth endtoend ip simplified architecture. For the ease of exposition, we simplify the network architecture substantially see figure 1 and only focus on the aspects relevant to the attach, detach, and paging procedures. Overview and detailed explanations are given for the latest lte standards for radio interface architecture, the physical layer, access procedures, broadcast, relaying, spectrum and rf.

Sae system architecture evolution is the corresponding evolution of the gprs3g packet core network evolution. This is followed by lectures that cover lte frequency bands, ofdm, ofdma, scfdma and lte signaling. Comparision of 3g wireless networks and 4g wireless. 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. Jul 10, 20 the lte network architecture has been presented as the first document of the lte technical document series.

In addition to lte, 3gpp is also defining ipbased, flat network architecture. The lectures also cover channel mapping and ue categories. It offers a highcapacity solution that can scale both upwards and downwards. Click download or read online button to get 4g lte lte advanced for mobile broadband book now. Currently marketed technologies such as lte long term evolution and wimax have been around for a few years and are being marketed as 4g whilst not meeting the requirements set by the itu. Lte network architecture the lte network is broadly comprised of the following. Jun 02, 2016 4g lte architecture long term evolution architecture.

These technologies are often referred to as pre 4g or 3. The pre 4g standard is a step toward lte advanced, a 4th generation standard 4g of radio technologies designed to increase the capacity and speed of mobile telephone networks. The 4g architecture basically build upon 3g or can say that it is a extension of 3g wireless technology. Lte 4g network architecture lte core network mobile. The lte supports packet switched network alone unlike the hybrid of circuit and packet switched network of 3g. Throughput speed in mbps calculation in 4g lte in this video we have shown 4 methods by which throughput can be calculated in lte and how various factors affect the actual throughput that an end. It addresses the performance attributes of the lte radio and system architecture and how the global lte ecosystem makes it. Using 4g lte for both primary and backup networking helps distributed enterprises enable branch office connectivity and applications like digital signage, kiosks, cctv, popup stores, pointofsale systems, instore wifi, and a variety of transportation applications. Lte fully abbreviated as longterm evolution is a technology involving firstgeneration 4g cellular networking. Mvno strategies for 4g lte migration what are the primary challenges facing mvnos today with the rise of lte.

This keeps information about the users phone number, home network identity and security keys etc. Accessing 4g networks will be possible virtually by using any wireless device such as pdas, cell phones, and laptops. Lte refers to long term evolution, and the architecture of the lte network is as following, the enodeb is the 4g site that the ue connects to. 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. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. It based on the original 3g technologies having the ability to. Named as lte long term evolution, the 4g system architecture is made up of an epc evolved packet core and evolved universal. Summary introduction to wireless lte 4g architecture and key. 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.

The main goals of lte is to increase the capacity and data rates of wireless data networks, improve spectrum efficiency, improve coverage, reduced. Fourth generation systems and long term evolution 148. Lte mobile communicates with just one base station and one cell at a time and there are following two main functions supported by enb. Architecture and key features of lteadvanced networks. Lte is a 4g wireless communications standard developed by the 3rd generation partnership project 3gpp thats designed to provide up to 10x. Private lte brings flexible scale in a small form factor. Lte or pstn what is volte lte ims enables a packetbased network to provide multiple services on single controlservice layers via different access network. Sumit thakur uncategorized lte ppt power point presentation pdf. 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. Article pdf available january 2012 with 11,841 reads. Basic lte architecture video eutran, enodeb, epc, sgw, pgw.

The lte network architecture has been presented as the first document of the lte technical document series. A usim stores userspecific data very similar to 3g sim card. An adtran white paper 4glte mobile backhaul reference. On the surface, the 5g architecture looks very different from the 4g epc but on close inspection, you. Physicalcommunication32010217244 219 table 1 lte, lte advanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul. The eutran the access network the architecture of evolved umts terrestrial radio access network eutran has been illustrated below. Dec 01, 2018 lte refers to long term evolution, and the architecture of the lte network is as following, the enodeb is the 4g site that the ue connects to. Use of digital coding, modulation and communications. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low.

When mobile networks deploy lte radio access technology, conformity to. This is also known as the sim card for lte equipments. Conclusion 4g is still relatively new technology that provides high speed data rates to mobile devices. 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 lte network architecture explained in this document applies to a lte only network provided by a single operator and thus has. Understanding the basic structure of the 4g lte network knowing basic equipment used in the network and their applications knowing the basic regulations in the test of the. Deliver a reliable, low cost connection simplify services growth and scale. The 5g core network has been designed around services that are invoked using a standard api. Lte lte advanced for mobile broadband this book focuses on lte with full updates including lte advanced to provide a complete picture of the lte system. Voice over lte, or volte is a gsma profile of the standards definition for the delivery of services currently provided via circuit switch networks mainly voice and sms over the. It also provides a look at the evolution to a dataonly lte network and includes a discussion of. 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. This site is like a library, use search box in the widget to get ebook that you want.

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. It based on the original 3g technologies having the ability to reach the speed up to 100 mbits with a muchreduced latency. Comparision of 3g wireless networks and 4g wireless networks. Lte is a 4g wireless communications standard developed by the 3rd generation partnership project 3gpp thats designed to provide up to 10x the speeds of 3g networks for mobile devices such as smartphones, tablets, netbooks, notebooks and wireless hotspots. The lte network architecture computer science university of. This paper provides an overview of ims, its architecture and applications from the perspective of the lte user equipment ue. The ebn sends and receives radio transmissions to all the mobiles using the analogue and digital signal processing functions of the lte air interface. Not only was the radio access network improved for 4g lte, but the network architecture was overhauled enabling lower latency and much better interconnectivity between elements of the radio access network, ran. 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 3gpp next generation standard for mobile networks providing. The architecture of lte network and working principle lte is a standard for wireless data communications technology and an evolution of the gsmumts standard. Lte uses several different types of logical, transport and physical channel, which are distinguished by the kind of information they carry and by the way in which the information is processed in the transmitter. Course contents historical vision lte capabilities system architecture 3. Lte lte advanced for mobile broadband pdf, epub, docx and torrent then this site is not for you.

Lte have a significant effect on the operation of mobile devices. The two 5g network architecture options can be compared by looking at four main perspectives. Depending on the traffic profile, a singleserver instance can support up to 500,000 sessions with 3gbps throughput. Logical ran architecture target split into the functions rf, bpf, ppf, and rcft. As lte matures and rel15 standard freezes, mobile operators should start carefully considering available.

This white paper will discuss why lte is now a highly attractive technology for private wireless networks across a wide range of enterprise verticals. Long term evolution advanced lte advanced network is the continuation of. The first deployments were simply known as lte, but later deployments were designated 4g lte advanced and later still 4g lte pro. High data rates provided by lte will enable new services and applications such as video. Much of the lte standard addresses the upgrading of 3g umts to what will eventually be 4g mobile communications technology. Jul 10, 20 this document provides a brief overview of the lte network architecture as the first technical document of lte area. It runs an application known as the universal subscriber identity module usim. This paper explores the network architecture of 4g 4th generation and lte long term evolution wireless technologies, the mobile standards used by these technologies and key features.

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