Lte broadband and public safety david fein, project manager november 2011 executive overview long term evolution lte is a relatively new standard for wireless communications, adopted by commercial and public safety users. It also provides a look at the evolution to a dataonly lte network and includes a discussion of. But before we jump into the architecture we need to understand what gave rise to the need of lte. Presentation outline overview on wcdma and lte wccad sycoaodma and lte synchronization. System architecture and networking san group capacity study for lte release emtc with coverage enhanced rach masters thesis shoaib h khan master of science in embedded systems computer science and engineering supervisors. Ieee 5g and beyond technology roadmap white paper 3gpp and lte are trade marks of etsi registered for the benefit of its members and of the 3gpp organizational partners. The lte uplink and downlink can be in the same band or different bands. Rbs cold start functionality transient protected ecbus ports for external connections. If you continue browsing the site, you agree to the use of cookies on this website. Lte provides a packet switched model at the sap, but retains a circuit switched model at the phy. In 2017, verizon and ericsson used these latest technologies to hit several industry milestones, including. This fact has motivated us to study lte core network security on public cloud.
Read the report to learn about the latest figures for 5g. Tutorial basic step integration lte ericsson youtube. Lte across sectors including utilities and transportation. Ericsson mobility report provides industryleading projections and analyses of the latest trends in the mobile industry, including subscription, mobile data traffic and population coverage. The physical layer itself maintains the continuous connection model, especially on the downlink, where there is continuous transmission. The transition from 4g to 5g will serve both consumers and. Long term evolution l te 3gpp work on the evolution of the 3g mobile system started in november 2004. Coexistence of lteu and wifi with direct communication. Architecture evolution total cost of ownership business and technology expertise leveraged today will set a foundation for success. Indeed these contribute strongly to lte meeting its performance targets.
This paper provides an overview of ims, its architecture and applications from the perspective of the lte user equipment ue. First, the lte network reference model is defined and its basic evolved packet system eps entities and the functions of each entity are described. A usim stores userspecific data very similar to 3g sim card. In addition, 5g nsa is expected to be less capitalintensive as compared to 5g sa architecture. He has a degree in physics and a phd in radio astronomy from the university of cambridge, and 20 years experience in scientific and technical. While the former will take time to develop, the latter offers limited 5g benefits confined to the improvement in some network kpis. Aug 23, 2017 tutorial basic step integration lte ericsson bravo telecommunication industry and community army of sky. Architecture and transport for mobile broadband backhaul. Also this paper tries to present the advantages why operators are. 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. Lte network architecture evolution aalto university. Performance evaluation of a deployed 4g lte network arxiv.
Numerical simulations are used to show the performance of the first release of lte, as well as assess the benefit of the key features. System architecture for 3gpp lte modem using a programmable. Architecture for localarea private lte networks source. Slide title 32 pt text 24 pt bullets level 25 20 pt. Eindhoven university of technology master capacity study for. Wcdma and ltewcdma and lte synchronization aspectssynchronization aspects the 6th international telecom sync forum, itsf munich, november 2008. In telecommunication, longterm evolution lte is a standard for wireless broadband communication for mobile devices and data terminals, based on the gsmedge and umtshspa technologies. In lte, information is organized as a function of frequency as well as time, using a resource grid. Lte standard has been published by 3gpp as an extension of umtsbased on 3gpp standard and 1xevdobase on 3gpp2 standard technologies. 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. Lte started with 150 mbps cat 4 with contiguous 20 mhz latest devices support already 600 mbps with 3 carrier aggregation chip set capability allows 1 gbps devices by 2017 which requires typically 80100 mhz of downlink spectrum. Lte have a significant effect on the operation of mobile devices. It includes radio access, devices and core network.
Our forecasts are based on past and current data, validated with extensive network measurements. Ericsson and orange trial internet of things iot over gsm. First, the lte network reference model is defined and its basic evolved packet system eps entities and the functions of each entity are. Pdf a system for monitoring mobile networks using performance. Verizon and ericsson reached another milestone in 4g lteadvanced technologies that will serve as a stepping stone to 5g by completing their first deployment of fdd frequency division duplexing massive mimo multiple input multiple output on verizons wireless network in irvine, ca.
Interface for smoke detector, external alarms, cabinet lamp, doorswitch, temperature sensor, and heaters. In lte architecture, core network includes mobility management entity mme, serving gateway sgw, packet data network gateway pdn gw where as eutran has eutran nodeb enb. In addition, the open architecture of the internet which was the driving force for digital broadband services to the consumer, also facilitated a new class of service provider over the top ott operators. Secure element architects for todays generation simalliance lte uicc profile 10 security, identity, mobility 4. Gsm, the global system for mobile communication, is a registered trade mark of the gsm association. A simplified 4g lte architecture is generally made up of the evolved. Lte and umb and then look into the details system architecture evolution the proposed. Access network eutran and long term evolution lte are used interchangeably in the sa working groups the term system architecture evolution sae was used to signify the broad framework for the architecture for some time the term ltesae was used to describe the new evolved system, but now this has become known as the evolved. It increases the capacity and speed using a different radio interface together with.
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. Alcatellucent solution for eutran sharing and key differentiators. Christopher cox is a professional technical trainer and consultant in mobile telecommunications. The flexible hardware architecture enables a variety of site deployments and consists of the following main components. Network elements generally write events to a log file, which is. Lte tutorial tutorial on lte basics rf wireless world. In essence, the choice of architecture is a tradeoff between. Main functionalities of each network node are discussed in detail along with examples. Secu ring lte network fu nctions virtualization on.
As the undisputed leader in lte development and standardization, ericsson is the most trusted, most proven provider of standardscompliant lte technology. This keeps information about the users phone number, home network identity and security keys etc. Unlike the wifi, the channel access mechanism of lte enb is different than lte ue. Sae, system architecture evolution is the core network architecture ofsystem architecture evolution is the core network architecture of 3gpps future lte wireless communication standard. A baseline architecture for private lte is shown in figure 2. Nov 18, 2017 lte architecture basics 4g introduction this is the first part of the series ltearchitecture. The authors explain the access concept and anticipated requirements for lte and describe the testbed system, architecture, subsystems, and technology. System architecture for 3gpp lte modem using a programmable baseband processor conference paper pdf available november 2009 with 3,546 reads how we measure reads. System architecture evolution national chengchi university. Lte architecture the architecture of lte is different from wifi. It addresses the performance attributes of the lte radio and system architecture and how the global lte ecosystem makes it.
Analyses and implementation of ipsec protocol in the lte. Eric and orange today announced a trial of optimized, lowcost, lowcomplexity devices and enhanced network capabilities for cellular iot over gsm and lte. In a multitenant public cloud architecture, lte network operators are cloud tenants that share compute, storage and network resources with each other. 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. Ran vendors nokia, huawei and ericsson have integrated solutions, and many.
Verizon and ericsson have partnered closely to drive the evolution of lte by using lte advanced features, enhancing capacity and speed on the verizon 4g lte network. Lte sae architecture and concepts have been designed for efficient. Jul 10, 20 this document provides a brief overview of the lte network architecture as the first technical document of lte area. Ran architecture evolution drivers from a network architecture perspective, the main options for lte up to the present have been either fully distributed or fully centralized baseband deployment, each with its own pros and cons. This white paper will discuss why lte is now a highly attractive technology for private wireless networks across a wide range of enterprise verticals. The highlevel network architecture of lte is comprised of following three main components. Start here use overtheair ota tests to spotcheck a transmitters coverage and signal quality. Nsa network to be complemented and supported by lte network. Lte to 5g, rysavy research5 g americas, august 2018 page 4 introduction with completion of the first 5g standard in 2018, the wireless industry has taken another. The 3gpp evolution for the 3g mobile system created the new base station system, called evolved umts terrestrial radio access network eutran and a new core network, called evolved packet core epc as a result of two standardisation projects.
Lte enodeb troubleshooting guide utilizing anritsus handheld bts master, cell master or spectrum master with options 0541, 0542 and 0546 visit us at. Lte evolved from an earlier 3gpp system known as the universal mobile telecommunication system umts, which in turn evolved from the global. The tutorial on lte also covers lte protocol stack, lte physical layer, lte network architecture and so on. Physicalcommunication32010217244 219 table 1 lte, lte advanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul. Physicalcommunication32010217244 219 table 1 lte,lteadvanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul.
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. Lte is mainly designed for high speed data applications both in the uplink and downlink. Also learn the troubleshooting and maintenance of the nodes. Pdf system architecture for 3gpp lte modem using a. System architecture for 3gpp lte modem using a programmable baseband processor di wu, johan eilert and dake liu department of electrical engineering, link. 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. Ericsson hspa base stations support lte also allowing reuse of key operator assets high level of security robust qos model 3g 2g bsc rnc non3gpp. The presentation on lte long term evolution slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Endtoend ip and lte quality of service with application delivery prioritization within lte that extends from user equipment networks through lte and backhaul transport and into the packet data network. A forwarder running in one thread in a single jvm forwarded events to the ericsson network. Verizon and ericsson expand 4g lte partnership, prepare.
This video tutorial talks about lte architecture in detail to give holistic view of lte architecture. Lte network architecture evolution ville eerola helsinki university of technology ville. To efficiently meet future demands the lte ran architecture. In capitals slide subtitle architecture and transport for mobile broadband backhaul kare gustafsson ericsson research 20101104. This document provides a brief overview of the lte network architecture as the first technical document of lte area. Hspa high speed packet access is a collection of mobile telephony protocols that extend and improve the performance of wcdma. Introduction outline 1 introduction 2 lte architecture 3 lte radio interface 4 multimedia broadcastmulticast service 5 lte deployment considerations 6 work related to video streaming 7 conclusions ahmed hamza long term evolution lte a tutorial october, 2009 3 48. Whats the current situation and what is ltes future. Ericsson has thus developed a test bed to evaluate new access technologies and to investigate the suitability of new implementation technologies for future radioaccess products. Lte presentation ppt free download as powerpoint presentation. Lte ltea ltea pro i o ii 5g 1 2 3 5g optimization 5g maintanence 5g education 5g operations prepare for 5g deploy 5g operationalize 5g nokias 5g services enable operators to prepare for 5g deployment now 5. Evolved packet gateway epg ericsson lte technology leadership ericsson is the worlds leading provider of technology and services to telecom operators.
Ericsson and orange trial internet of things iot over. Despite the benefits, however, there are various challenges affecting the transition to lte for mission critical networks and with the widespread use of legacy systems, such as tetra and dmr, the advantages proposed by lte can appear to be outweighed by the risks. Course contents historical vision lte capabilities system architecture 3. Per beming reflecting the recent completion of lte s specification, the new edition of this bestseller has been fully updated to provide a complete picture of the lte system. Barth all rightsreserved2006, alcatel 25 system architecture evolution objectives new core network architecture to support the highthroughput lowlatency lte access system simplified network architecture all ip network all services are via ps domain only, no cs domain. Ericsson confidential 23 20070605 lte key radioaccess features. Long term evolution protocol overview nxp semiconductors. Iot is a rapidly growing segment and, according to the ericsson mobility report, there will be 28 billion connected devices by 2021. The system has an architecture that distributes the incoming event load. Scribd is the worlds largest social reading and publishing site.
Lte is commonly referred to in the commercial communications. Furthermore, ran radio access network roundtrip times shall be. The latest lte standards are included on the radio interface architecture, the. Ieee 5g and beyond technology roadmap white paper5. Abstract security ipsecthe security vulnerabilities present in the lte access network, resulting from a simplified flat architecture and the use of unsecure ip transport network, encourage the introduction of the internet protocol security ipsec. Figure 4 flat architecture of long term evolution and system architecture evolution. Pdf this paper presents a performance monitoring system that uses. Lte lte a lte a pro i o ii 5g 1 2 3 5g optimization 5g maintanence 5g education 5g operations prepare for 5g deploy 5g operationalize 5g nokias 5g services enable operators to prepare for 5g deployment now 5. Ericsson 4g ran training consists of the lte architecture and explains 6000 series enodeb.
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