Ahmed hamza long term evolution lte a tutorial october, 2009 28 48. Contents technology evolution ofdma and scfdma lte overview lte radio interface architecture lte downlink transmission lte uplink transmission lte cell search summary ltemimo. Mobile network evolution4g to 5gmobility report ericsson. Ericsson demonstrates lte advanced over the air in a mobile. Lteadvanced evolution in releases 12 14 3 qualcomm. Lte technology is expected to carry the majority of mobile traffic for at least the next decade alongside a slow transition to 5g. Lte a has frequency reuse factor of 1 since spectrum is expensive, uses highorder mimo. Lte is the next evolution in mobile network standards, as defined by 3gpp the thirdgeneration partnership project.
It delivers highperformance connectivity for lte, lte advanced and 5g applications. The protocol stack functions consist of the medium access control mac, radio link control rlc, packet data convergence protocol pdcp, and radio resource control rrc. May 17, 2017 geotab drive how to guide for hours of service hos duration. The longterm evolution lte as defined by the 3rd generation partnership project 3gpp is a highly flexible radio interface 1, 2. Evaluation of edf scheduling for ericsson lte system diva portal. Each asic in an ericsson du is part of a softwarecentric ericsson radio system architecture. With the matured standards for lte, the long term evolution of the 3g services, eyes are now turning towards the next development, that of the truly 4g technology named imt advanced. Lte ran brings you software for gigabit speeds, using fdd and tdd, housed flexibly on one board. Lte and the certified 4g system lte advanced lte a 1. Lte evolved from an earlier 3gpp system known as the universal mobile telecommunication system umts, which in turn evolved from the global system for mobile communications gsm. This prediction is among the key statistics presented in the november edition of. Leading the path towards 5g with lte advanced pro pdf, youtube. Ericsson s 5g mobile perspective ericsson ab 2015 201602 24 page 3 5g spectrum and radio access evolved access new access nx. Because the lte mac is fully scheduled, qos is a natural fit.
Gsm association nonconfidential official document v1. If your ericsson t18 has problems and is still within its warranty period, you could contact sony support or the retailer you purchased the phone from. Starting from a brief overview of its network architecture, this paper aims at exploring some key features of lte that places it at the forefront in achieving the goals of wireless access evolution, enabling it to become a key element of the. Ericsson public technical report 2 60 prepared also subject responsible if other no. An overview of lte and ltea summary this document provides an overview of the long term evolution lte and lteadvanced ltea specifications for digital cellular communications. Volte service description and implementation guidelines. C, ptg open see pin, 2 3 0 0 ii coc ln l rt 120 k ii, r rx 60 k ii 4195 pbl 386 30. Lte l air interface, protocols and procedures ericsson. The ericsson mobility report offers industryleading insights into the future of the mobile world, forecasts of mobile coverage, subscriptions and traffic. Design of a broadband antenna element for lte base station. Motorola public safety lte networks are designed using the fieldproven performance of ericsson lte platforms. He is an ieee institute of electrical and electronics engineers fellow and has coauthored several popular books, including 4g. Frequency division duplexing fdd and time division duplexing tdd both paired and unpaired. Lteadvanced pro ltea pro will be used for specifications defined under 3gpps release r and release 14 r14.
From a user perspective, this means that information can be retrieved and sent. The x2 interface is defined between two neighbour enbs. Parkvall has also been deeply involved in 3gpp standardization for many years. Furthermore, ran radio access network roundtrip times shall be less than 10ms. This could surge to 65 percent, as spectrum sharing technology enables 5g deployments on lte frequency bands. Lte is the major technology for future mobile broadband convergence of 3gpp and 3gpp2 technology tracks convergence of fdd and tdd into a single technology track. 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. The transition from 4g to 5g will serve both consumers and multiple. He joined ericsson in 1999 and played a key role in the development of hspa, lte and nr radio access. Lte system overview free download as powerpoint presentation. Ericsson holds 33,000 granted patents, and is the numberone holder of gsmgprsedge, wcdmahspa, and lte essential patents. Mar 18, 2010 watch this anritsu quicktip to learn more about the 4g technology called long term evolution.
It is one of the two mobile data transmission technologies of. Dual connectivity for lte nr cellular networks roberto p. Physicalcommunication32010217244 219 table 1 lte,lteadvanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul. Changes in the specification are limited to corrections and bug fixes. Lte broadcast, volte wifi, 3g, 2g technologies 4g lte ofdmbased waveforms, transmission modes, and ue categories 2012 lte multimode tomorrow5g and lte evolution source. Text andor other creative content from this version of lsti was copied or moved into 3gpp long term evolution with this edit on 03 march 2012. Department of computer and information science, linkoping university. Lte advanced lte standardization has come to a mature state by now where changes on the specification are limited to corrections and bug fixes. Audience this tutorial has been designed for audiences with a need to understand the lte technology basics in very simple terms. 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 st ericsson.
Lte presentation ppt free download as powerpoint presentation. Lte was based on the international mobile telecommunications release 8 specification in 2008 imt8 and was originally considered to be a fourth generation 4g. Eric and ambra solutions have worked together to deliver canadas deepest underground lte network for the agnico eagle mining site, laronde in abitibi, quebec. Lte architecture supports hard qos, with endtoend quality of service and guaranteed bit rate gbr for radio bearers. Ericsson predicts 1 billion 5g subscriptions in 2023.
Lte radio interface most scheduling strategies need information about. The ericsson rbs 6000 bts system supports gsmedge, wcdmahspa, lte, and cdma in a single unit. Just as ethernet and the internet have different types of qos, for example, various levels of qos can be applied to lte traffic for different applications. The first release of lte provides peak rates of 300 mbs, a radionetwork delay of less than 5 ms, a significant increase in spectrum efficiency com. The ericsson t28s is a gsm dualband, compact flip mobile phone manufactured by swedish telecoms company ericsson mobile communications in 1999. Lte overview, wbl 1 hour wbl, lzu1082394 r1a rbs 6000 in a nutshell wbl, r1a. This buddecomm intelligence report provides unique and valuable information on 4g lte and 5g technologies including future roles and potential uses, industry developments, statistics and challenges. The former pages history now serves to provide attribution for that content in the latter page, and it must not be deleted so long as the latter page exists.
The information can be filtered by region, subscription, technology, traffic and device type. Ericsson s october 1998 pbl 386 301 subscriber line interface circuit description the pbl, agnd bond figure 1. Prior to this he was head of lte research, development, test and evaluation for the public safety communications research program where he deployed the first and most diverse public safety 700 mhz lte test lab in the world with over 70 participating vendors and. Sep 01, 2015 each asic in an ericsson du is part of a softwarecentric ericsson radio system architecture. Global mobile broadband lte, volte, ltea, lteb and 5g. Unlike many mobile phones of the time 19992001 it had a fixed, stubby external antenna. The presentation on lte long term evolution slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Physicalcommunication32010217244 219 table 1 lte, lte advanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul. Ericssons 5g mobile perspective ericsson ab 2015 201602 24 page 3 5g spectrum and radio access evolved access new access nx. Lteadvanced pro is the new official marker approved by the 3gpp in october 2015 to denote the next stage in development towards 5g, following lteadvanced ltea and lte before it. The length of the course is 5 days and the maximum number of participants is 16. Lte measurements lte l2l3macrrc standards ts 36300. Gprs tunnelling protocol for the user plane gtpu tunnels user data between enodeb and the sgw as well as between the sgw and the pgw in the backbone network.
Leading the world to 5g mobile technology qualcomm. Ericsson lays out vision for cellular iot with new. Australia telstra 2 x20 mhz, 18002600 mhz, ericsson 300 australia optus t d lte, 2x20 mhz, 2300 mhz, huawei t d lte, 4x20 mhz, 2300 mhz, huawei 160 520 austria a1 telekom austria n sn 580 france sfr 2 x10 mhz, 8002600 mhz, ericsson 174 china china mobile t d lte, 2x20 mhz, zte 233 japan ntt docomo 300 philippines smart. In eastern uk o2 owns and manage the network and vodafone in the west 18500 sites the regulator in the uk ofcom does not allow operators sharing spectrum lte 800mhz.
Telefonaktiebolaget lm ericsson, doing business as ericsson, is a swedish multinational networking and telecommunications company headquartered in stockholm. The rbs 6101 is part of the rbs 6000 series of macro base station equipment designed and built by ericsson, the worlds leading provider of lte technology and services to telecom operators. Features monochrome graphic display, 750 mah battery. Ericssons lte base stations must be capable of handling large amount of operation and. Remote radio unit description description value 1920 to 1980 mhz uplink 2110 to 2170 mhz downlink b1 for wcdma and lte 1850 to 1910 mhz uplink 1930 to 1990 mhz downlink b2 for wcdma and lte 1710 to 1755 mhz uplink 2110 to 2155 mhz downlink b4 for wcdma and lte 824 to 849 mhz uplink 869 to 894 mhz downlink b5 for wcdma and lte 2,500 to 2,570 mhz. This paper provides an overview of the mac for 3gpp long term evolution lte also referred to as eutran, with a focus on the handset or user equipment ue. Eric forecasts there will be 1 billion 5g subscriptions for enhanced mobile broadband by 2023. Eric today announced it has been selected by ntt docomo for its longterm evolution lte base station development project. Ericsson lays out vision for cellular iot with new segments and solutions news provided by. If you want to know what lte sae long term evolution system architecture evolution is, this course will give you an overview of the new radio technology and protocols involved in the eutran evolved utran, also referred to as lte and the architecture behind. An evolution 499 network coding for interference management, which can imp rove security, throughput and robustness for routing of information through the network. Ericsson and ambra solutions deliver deepest lte network. Ericsson lte ran continues to bring a great experience for mobile broadband.
While it is commonly seen as a cellphone or common carrier development, lte is also endorsed by public safety agencies in the united states 2 as the preferred technology for the new 700 mhz publicsafety radio band. The company offers services, software and infrastructure in information and. Lte a can aggregate up to 5 carriers to make up to 100 mhz 4. Router 6000 series comprises a set of versatile routers offering the right. Lte a meets and exceeds all requirements for 4g as specified in imtadvanced. If your phone is off warranty and needs repair for a physical problem such as a broken screen or bad battery, you should visit an authorized service. Audience this tutorial has been designed for audiences with a need to understand the lte. Public ericsson ab 2018 feb 2018 lte dominant radio access technology end 2017 first commercial networks based on nonstandalone 5g nr in 2018. The former pages talk page can be accessed at talk. The introduction of 5g will bring more efficient networks, addressing the capacity needs.
129 1249 1325 1522 83 1253 1089 1309 885 45 1443 348 792 1270 360 572 450 348 228 305 1239 696 787 907 1248 359 917 700 1240 393