If you continue browsing the site, you agree to the use of cookies on this website. Department of electrical and inform ation technology. Lte is the next generation of technology which is backward compatible with cellular technologies such as hspa,gsm,cdma etc. Lte users and passes that information to the mme at the time of location registration. This video explains lte technology basics, ofdma and lte frame structures and types. Importance of scfdma single carrier fdma and uplink frame structure in lte.
Lte which is known as 4g technology is being specified in release 8 and 9 of the 3gpp standard. Tutorial on basic components and operation of a mobile telecommunications network. Lte long term evolution was the 4g successor to 3g umts that provided improved speeds and performance. 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. These entities and protocols reside within the sgw, pgw and mme nodes, and partially within the enb nodes. Familiarize yourself with the lte physical channels and signals.
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. Lte 3g long term evolution is a great improvement of what we got and aust. Basic understanding on any of the network technologies like gprs, gsm, core network, radio interfaces etc is expected before diving into the tutorial. If you are just starting with 3gpp lte or you have some experience with wireless technologies, our lte tutorials will help you to understand the next. One can have zero or little understanding on 2g and 3g technologies.
Installing optional software and hardware supports evaluation of key trx characteristics for lteadvanced fdd. The idea is that lte will enable much higher speeds to be achieved along with much lower packet latency. For instance one sample opnet projects on lte aims to provide seamless internet protocol ip connectivity between user equipment ue and the packet data network pdn, without any disruption to the end users applications during mobility. It has explained following topics in the same order as given below. Lte long term evolution networks have been introduced in 3gpp third generation partnership project release 8 specifications, with an objective of highdatarate, lowlatency and packet. Eps is divided into two parts lte part which deals with the technology related to a radio access network eutran and epc part which deals with the. In the later part of this video we discussed about the user equipment which can be the mobile handset or any other device. Generate an lte resource grid with a few lines of code using lte toolbox. This video tutorial talks about lte architecture in detail to give holistic view of lte architecture. Lte ue attach lte rrc connection setup log analysis by lte video tutorials. Tutorial lte free download as powerpoint presentation. Sae system architecture evolution is the corresponding evolution of the gprs3g packet core network evolution.
It is currently in development and is considered the competitor to wimax. Lteu forum and coexistence overview welcome to mentor. The ns3 lte module by the lena project nicola baldo nicola. You will discover why mobile telephone service providers are upgrading their 2nd and 3nd generation digital mobile to a more efficient and feature rich umts lte generation system. This video talks about lte physical layer and lte air interface. With services such as wimax offering very high data speeds, work on developing the next generation of cellular technology has started. Radio communication analyzer mt8820c anritsu europe. This model includes core network interfaces, protocols and entities.
Radiolevel performance endtoend qoe allow the prototyping of algorithms for. Umts long term evolution lte this free tutorial explains the basic components, technologies used, and operation of umts lte systems. Frequency division duplexing fdd and time division duplexing tdd both paired and unpaired. While the former generation of mobile telecommunication networks are collectively known as 2g or 3g, lte is marketed as 4g. I created this channel just to share whatever practical knowledge i have acquired during my 8 years of experience working on 2gumtslte domains. Special features of hsdpa adaptive modulation and coding amc multicode operation hybrid automatic repeat request harq higher dl peak rates up to 7. The umts cellular technology upgrade has been dubbed lte long term evolution. It also has a function for limiting the use of an lte terminal to only the lte subscriber based on the type of user terminal and lte subscriber profile. The book is the product of a collaborative effort of key experts representing a wide range of companies actively participating in the development of. This lte tutorial covers lte basics, lte features, lte air interface, lte channels and lte frame structure. Audience this tutorial has been designed for audiences with a need to understand the lte technology basics in very simple terms. Recommended books on lte for beginners long term evolution. If your phone does not have all recommended bands, you may have poor coverage no service slow data in some locations. Lte basics lte tutorial part 1 slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
But before we jump into the architecture we need to understand what gave rise to the need of lte. Lte long term evolution is the high performance air interface for cellular mobile communication systems. Lte architecture basics 4g introduction this is the first part of the series lte architecture. Long term evolution lte has been designed to support only packetswitched services. The lectures also cover channel mapping and ue categories. Lte is a 4g technology also with download speeds that run the gamut from 3 to 28 mbps worldwide. Lte basics part i ofdma and lte frame structures youtube.
Sign up this is a tutorial for the nnet3 neural network toolkit in the kaldi project. Ns3 is also the best choice among network simulator for simulating lte. Lte standard has been published by 3gpp as an extension of umtsbased on 3gpp standard and 1xevdobase on 3gpp2. Lte tutorial for beginners learn lte online training.
Understand the placement of physical channels and signals in the lte resource grid, and learn how they help a mobile unit connect to a base station and receive data. Main functionalities of each network node are discussed in detail along with examples. The tutorial on lte also covers lte protocol stack, lte physical layer, lte network architecture and so on. Lte tutorial tutorial on lte basics rf wireless world. We provide the following tutorials in the hope they make it easier to discover and use the wide range of features provided by our network library.
From theory to practice provides the reader with a comprehensive systemlevel understanding of lte, built on explanations of the theories which underlie it. Lte tutorial free online lte training courses 3glteinfo free lte tutorials and training to get basic and in depth knowledge on various 3gpp long term evolution protocols and procedures. Long term evolution lte tutorials lte video tutorial. Lte, or long term evolution, is a a 4th generation 4g mobile broadband standard and is aimed to be the successor to the 3g technologies gsmumts.
Qosaware packet scheduling radio resource management. Any phone you are considering should ideally have 3g b2, b5 and lte b4, b12 or b17 instead of b12 for minimum coverage. All about lte, ltea and ltea pro specifications, their test challenges and leading test solutions. Lte b5 will give better indoor coverage in downtown urban. This excellent video by russell delong covers the eps in detail. The lte network called eps evolved packet system is an endtoend e2e all ip network. Ns3 lte simulation is also the latest highspeed cellular transmission network.