An easytoread lte technology introduction can be found in 4. Stay tuned for the next installment of our introduction to ltem where well cover optimal use cases for this technology. This introduction was taught by prof jongmoon chung. An acronym for long term evolution, 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. Since then the number of commercial networks is strongly increasing around the globe. Note that this application notes assumes basic knowledge of the lte technology as specified in 3gpp release 8. Chapter 4 describes the uplink transmission scheme for lte. It avoids unnecessary detail, focussing instead on conveying a sound understanding of. Audience this tutorial has been designed for audiences with a need to understand the lte technology basics in very simple terms.
Umts long term evolution lte technology introduction even with the introduction of hsdpa and hsupa, evolution of umts has not reached its end. 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. A comparative introduction to major global wireless standards, technologies and their applications. Ltea can aggregate up to 5 carriers to make up to 100 mhz 4. Mobile communication program lte introduction lte long term evolution is a radio platform technology developed through 3gpp that is the fourth generation of mobile communications. 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 companies are upgrading 3g technology by initializing the introduction of high speed downlink. Lte advanced introduction carrier aggregation coordinated multipoint lte relay device to device, d2d lte was the 4g successor to the 3g umts system which was developed to provide a further evolution of the mobile telecommunications system available.
It solves the battery life problem with existing cellular connectivity methods and has the added benefit of being compatible with current cellular networks. Christopher cox is a professional technical trainer and consultant in mobile telecommunications. Though this is a pre4g technology, it is associated with 3g and not with 3g. This application note gives an introduction to lte technology, including both fdd and tdd modes of operation. Audience this tutorial has been designed for audiences with a need to understand the. Lte is an ideal technology to support high date rates for the services such as voice over ip voip, streaming multimedia, videoconferencing or even a highspeed cellular modem. 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 short course aims to provide a concise synopsis of how lte operates, focusing on the driving factors behind lte, as well as the architectural view of an lte deployment. 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. Lte advanced technology introduction linkedin slideshare. If you continue browsing the site, you agree to the use of cookies on this website. This white paper summarizes significant additional technology components based on lte, which are included in 3gpp release 12 specifications. The itu international telecommunications union has specified that the peak speed requirements for the 4g standard are to be 100mbps for a mobile connection such as in a car and 1gbps for stationary connections such as sitting at a computer. This is done in gsm via gaussian minimum shift keying gmsk.
An introduction to lte explains the technology used by 3gpp long term evolution. Public safety planners will face many challenges as they deploy this new technology in an everchanging environment. An introduction to 4g wireless mobile technology product. Lte has become the fastest developing mobile system technology. In order to make smooth transition from 3g to 4g the mobile communication companies are promoting super 3glte. In order to make smooth transition from 3g to 4g the mobile communication companies are promoting super 3g lte. Umts long term evolution lte technology introduction application note 1ma111 even with the introduction of hsdpa and hsupa, evolution of umts has not reached its end. Introduction to lte free download as powerpoint presentation. Lte a can aggregate up to 5 carriers to make up to 100 mhz 4. Changes in the specification are limited to corrections and. In this project, the main objective is to investigate a downlink and uplink physical layer performance of long term evolution system based on lte release 8, 9. An introduction to 5g technology electronics for you.
Introduction to 4g lte technology 4g lte technologies. Chapter 3 describes the downlink transmission scheme for lte. However, other nations and companies do play an active role in the lte project. Umts long term evolution lte technology introduction. 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. Ltea meets and exceeds all requirements for 4g as specified in imtadvanced. Changes in the specification are limited to corrections and bug fixes. Introduction of lte technology in gsmumts networks lte and 2g3g interworking functions table of contents. This ebook looks at the technical details and how 5g services are being developed and. The standard provides faster broadband data transmission that will enhance user experience and allow for more sophisticated mobile services.
This is being so much liked all around the us that most of the mobile carriers in states have announced that they will convert their existing networks to the lte. An introduction to mobile networks and mobile broadband, 3 rd edition provides technical descriptions of the various wireless technologies currently in use. The fourth generation of wireless standards for cellular systems is 4g, the planned successor to the 3g standard. Lte tdd which is also referred to as tdlte provides the long term evolution path for tdscdma based networks. 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 consultancy, telecommunications and training. Like any technology, ltebased technology has both pros and cons. Frequency division duplexing fdd and time division duplexing tdd both paired and unpaired. Introduction to 5g mobile communication technology youtube. This holds true for the lte technology with further enhancements specified in 3gpp release 9, 10 and 11 see 2, 3 and 4. It is still a research lab standard, the stage of broadband mobile communications that will. Physicalcommunication32010217244 219 table 1 lte,lteadvanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul. An introduction to ltem cellular technology leverege. Lte is now widely established as a mobile broadband solution on a global basis. Lte architecture supports hard qos, with endtoend quality of service and guaranteed bit rate gbr for radio bearers.
Lte includes an fdd frequency division duplex mode of operation and a tdd time division duplex mode of operation. An easytoread lte technology introduction can be found in 1. The goal of lte was to increase the capacity and speed of wireless data networks. The presentation on lte long term evolution slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The book covers the whole of lte, both the techniques used for radio communication between the base station and the mobile phone, and the techniques used for signalling communication and data transport in the evolved packet core.
Lte is an ipbased wireless technology that will drive a major network transformation as the traditional circuitbased applications and services migrate to an allip environment. The companies are upgrading 3g technology by initializing the introduction of high speed downlink packet access hsdpa service, which increases the. It explains the rationales behind their differing mechanisms and implementations while exploring the. Lte a meets and exceeds all requirements for 4g as specified in imtadvanced. Costs are always a major concern for irst responders, but. Pdf introduction of lte technology in gsmumts networks. These comprise packet switched wireless systems using orthogonal frequency division multiplexing ofdm with wide area coverage, high throughput at millimetre waves 10 mm to 1 mm covering a frequency range of 30 ghz to 300 ghz, and enabling a 20. Because the lte mac is fully scheduled, qos is a natural fit. Lte a has frequency reuse factor of 1 since spectrum is expensive, uses highorder mimo. Ltem is a promising competitor to existing lpwa technologies for iot. To ensure the competitiveness of umts for the next 10 years and beyond, umts long term evolution lte is being specified in 3gpp release 8.
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