Lte radio and wlan ip radio solutions icom america. This video tutorial talks about lte architecture in detail to give holistic view of lte architecture. This video explains lte technology basics, ofdma and lte frame structures and types. Overview of radio access methods lte uses orthogonal frequency division multiple access ofdma2. Lte provides the long term evolution path for tdscdma based networks. Lte was the first and only technology recognized by the next generation mobile network alliance to meet its broad requirements. Lte can provide a data speed of up to 30 mbps and lte advance can even provide a speed of 100 mbps.
Lte commonly referred to as 4g or next generation technology wireless. 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. Overview of positioning techniques for lte technology eissn. Evolution lte, the subject of this book, is a key enabling technology for delivering mobile broadband. Umts long term evolution lte technology introduction application note. Overview of the 3gpp long term evolution physical layer 1 1 introduction the 3gpp long term evolution lte represents a major advance in cellular technology. Lte was the first and only technology recognized by. But most people arent familiar with the technology that powers that network, how 4g lte is different from other wireless networks, or what the term 4g lte actually means. Lte a an overview and future research areas shihab jimaa college of engineering, khalifa university of science, technology and research u. The control information for the radio resource control rrc protocol. 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. Lteadvanced broadband wireless networking lab georgia tech. The main goals of lte is to increase the capacity and data rates of wireless data networks, improve spectrum efficiency, improve coverage, reduced latency and packetoptimized system that support mutliple radio access. This has been such a great way for me to earn extra money.
If you continue browsing the site, you agree to the use of cookies on this website. The term lte is typically used to represent both lte and sae. White paper lte network evolution and technology overview lte architecture figure 3 illustrates the overall lte architecture, which is marked by the elimination of the circuitswitched domain and a simplified access network. Lte as of 3gpp release 10 and beyond, be evaluated as a candidate technology for imtadvanced. Lpp is similar to protocols such as rrc, rrlp, and is801 already deployed in 2g and 3g networks2 time difference of arrival. However, other nations and companies do play an active role in the lte project. Lte technology is a based on a 3gpp standard that provides for a downlink speed of up to 150 megabits per second mbps and an uplink speed of up to 50. As an overview of the lte technologies that support xi crossy, this article describes technical aspects including radio access methods, radio network configurations and radio interface protocol technology shown in figure 1. This application note gives an introduction to lte technology, including both fdd and tdd modes of operation. This tutorial will give you enough understanding on lte technology from where you can take yourself at higher level of expertise. Lte technology overview with public safety features. Request sample pages 4g lte is the latest technology in the mobile broadband market. Jim06 jim zyren, overview of the 3gpp long term evolution physical layer, 2006.
Lte connect overview communicate far and wide with lte connect, icoms lte radio solution. An important feature in lte is its adoption of radio resource management rrm procedures which. Imtadvanced requirements include compatibility with. Frequency division multiplexing ofdm as its radio access technology, together with advanced antenna technologies. This tutorial has been designed for audiences with a need to understand the lte technology basics in very simple terms. Overview of positioning techniques for lte technology. Long term evolution an overview sciencedirect topics. Lte is a standard for wireless data communications technology and an evolution of the gsmumts standard.
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. Summary introduction to wireless lte 4g architecture and key. We will also cover 5g deployment scenarios from the specs as well as some of the informative web resources. Also known as eutra evolved universal terrestrial radio access, lte is part of 3gpp release 8 specifications. Presentation mode open print download current view. Overview of the 3gpp long term evolution physical layer. For detailed information on lte enhancements coming with 3gpp release 9 please take a look at ref. The companies are upgrading 3g technology by initializing the introduction of high speed downlink. The presentation on lte long term evolution slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Overview long term evolution lte is the next step forward in cellular 3g services. In effect, this means that lte more than any other technology already meets key 4g requirements. Enhancements include carrier aggregation, higher order mimo schemes in dl and ul, enhanced ul transmission, coordinated.
Chinas ministry of industry and information technology. Conformance testing ensures that these elements meet a minimum level of performance as defined in the 3gpp specifications. Long term evolution lte technology overview long term evolution lte will ensure the competitiveness of umts for the next ten years and beyond by providing a highdata rate, lowlatency and packetoptimized system. Millions of verizon customers enjoy the consistently fast speed and incredible coverage of our 4g lte network every day. Lte advanced initial technology submission of lte advanced complete submission incl. Main functionalities of each network node are discussed in detail along with examples. Radio imt advanced based on lte release 10 and beyond.
Lte is designed to meet carrier needs for highspeed data and media transport as well as highcapacity voice support well into the next decade. Lte advanced maintains the basic lte approach to a large extent. Introduction to lte raj jain washington university in saint louis saint louis, mo 63. Umts long term evolution lte technology introduction. This paper describes the lte technology in detail and highlights any. Lte the national consortium for justice information and statistics. Physicalcommunication32010217244 219 table 1 lte, lte advanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul.
Request pdf overview of lte a technology along with the rapid development in cellular technology, there has also been a significant increase in its user demands. In this chapter we provide an overview of the evolution of mobile communication. Sae system architecture evolution is the corresponding evolution of the gprs3g packet core network evolution. The functional entities depicted in figure 3 can be physically colocated, or. Scribd is the worlds largest social reading and publishing site. In order to make smooth transition from 3g to 4g the mobile communication companies are promoting super 3g lte. Lte a meets and exceeds all requirements for 4g as specified in imtadvanced. 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. Lte offers higher peak data transfer rates up to 100 mbps downstream and 30 mbps upstream. Lte evolved multimedia broadcast multicast service embms efficient broadcast delivery to a large number of users capacity offload from unicast transmission for common content reuse existing lte spectrum for broadcast.
The goal of lte was to increase the capacity and speed of wireless data networks. Lte advanced release 10 technology overview the international telecommunication union itu has coined the term imtadvanced to identify mobile communications systems with capabilities that go beyond those of imt2000 international mobile telecommunications. Lte technologies for public safety and provides an overview. An overview of lte positioning 7 spirent white paper positioning architecture in lte networks positioning information exchange between the ue and the lte network is enabled by the lte positioning protocol. Longterm evolution lte is the most recent 3gpp radio access technology and provides high data rates for end users peak data rate 3gbps in the downlink with the latest specification releases, also referred to as lte advanced, low access latency, and good spectral efficiency. Lte long term evolution is a standard for 4g wireless broadband technology that offers increased network capacity and speed to mobile device users. Project that oversaw the development of the umts 3g system started the work on the evolution of the 3g cellular technology with a workshop that was held in toronto canada in. Lte long term evolution was the 4g successor to 3g umts that provided improved speeds and performance. The handsets exact geographic area is known when someone obtains the location of this specific id or address the handset is connected to. Successful deployment of lte depends on the compatibility and effective interworking of the systems different elements. Lte market size, global opportunities, forecast 202020. Long term evolution protocol overview nxp semiconductors.
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