This tutorial has been designed for audiences with a need to understand the lte technology basics in very simple terms. Lte is the natural upgrade path for carriers with both gsmumts networks and cdma2000 networks. Ive been working on private lte recently, and one of the first barriers youll hit will be authentication. A usim stores userspecific data very similar to 3g sim card. Frequency division duplexing fdd and time division duplexing tdd both paired and unpaired. 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. Sumit thakur uncategorized lte ppt power point presentation pdf. Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. Second, lte radio network products will have a number of features that simplify the building and management of nextgeneration networks. The 4g lte network extender offers enhanced inbuilding 4g lte wireless coverage of up to 7500 square feet circular coverage and capacity of up to 7 active users.
Lte uses all ip based flat architecture, to have reduced number of nodes. Hence to support voice over lte there are two options. One can have zero or little understanding on 2g and 3g technologies. Load balancing optimization in lteltea cellular networks. Evolved packet core epc in 4g lte networks by telcoma. Lte networks require a more robust iber or microwave backhaul network due to the large iles being transported. Well first, the ue needs to register with the network to receive services that require registration. By developing a nationwide broadband network many of. In long term evolution lte, as with other cellular technologies, drive testing is a part of the network deployment and management life cycle from the early onset. To be able to move on to other lte technical documents that follow, fundamental understanding of the entities and interfaces of the eps system is required. Lte in bullets 2nd edition pdf the content is aimed towards anyone wishing to learn the basics, or to develop a more thorough understanding. Even when the mobile device supports both access technologies, the data flow can not be seamlessly handed over between the 2 access technologies with no user awareness of the change. Lte provides the long term evolution path for tdscdma based networks. 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.
It based on the original 3g technologies having the ability to. It is an exciting new technology in the world of mobile telecommunications. Following table summarizes kpis for lte ranradio access network. Digital endtoend digital subscriber loop q one set of interfaces for all services at multiple speeds q supports both circuit switching and. Lte tdd which is also referred to as tdlte provides the long term evolution path for tdscdma based networks. The presentation on lte long term evolution slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Lte optimization engineering handbook wiley online books. Lte network architecture webinar aircom international duration. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. This volte tutorial covers volte voice over lte basics, types of volte which include volte using imsvoip and volte using csfbsrvcc. For example, features like plugandplay, selfconfiguration and selfoptimization will simplify and reduce. Therefore, lte coverage over a large geographic area will be more expensive than lmr. Lte tutorial lte stands for long term evolution and it was started as a.
Plug the power supply connector into the dc 12v power port located at the rear of the network extender 2. Volte basics free download as powerpoint presentation. The imanager u2000 centrally manages huawei mobile network elements nes, including lteepc nes. The lte network architecture explained in this document applies to a lte only network provided by a single operator and thus has covered the most basic components of the eps system. Mapping between ip addresses and network physical addresses.
This registration is known as the network attachment. This document presents the lte network architecture as the first technical document of lte area. Evolved packet core epc is a framework for providing converged voice and data on a 4g longterm evolution lte network. Qualcomm the corenetworkinabox is typically virtualized and is deployed on premises to ensure that traffic stays local to the site. Lte fully abbreviated as longterm evolution is a technology involving firstgeneration 4g cellular networking. Architecture for localarea private lte networks source. Drive testing provides an accurate realworld capture of the rf environment under a particular set of network and environmental. Lte users and passes that information to the mme at the time of location registration. This product contains chemicals known to the state of california to cause cancer and birth defects or other reproductive harm. It will not completely substitute the manual configuration and optimization. Umts long term evolution lte technology introduction.
Summary introduction to wireless lte 4g architecture and key. This is used to measure contribution to subscriber perceived quality and system performance. Evolved packet core, which defines network functions, b. The first deployments were simply known as lte, but later deployments were designated 4g lte advanced and later still 4g lte pro. This keeps information about the users phone number, home network identity and security keys etc. Verizon 4g lte network extender 2 quick start guide verizon 4g lte network extender 2 product, safety and warranty personal and product safety warning. Page 1 page 2 page 3 page 4 table of contents page 5 page 6 page 7 preface page 8 organization of this document page 9 chapter 1 getting started page 10 system requirements page 11 network extender basics page 12 page chapter 2 network extender setup page 14. Though i assumed you have a very little or zero understanding on 2g and 3g technologies like gsm. Lte optimization engineering handbook is a comprehensive reference that describes the most current technologies and optimization principles for lte networks. Core network, radio interfaces etc then it will help you a lot in understanding the. Volte tutorial this voice over lte beginners guide will help you to understand the fundamentals of ip based voice communication in the 4g lte network. Lte requires a highdensity network, as coverage area per site is less.
Long term evolution lte is a significant project of 3 rd generation partnership project 3gpp, initially proposed on the toronto conference of 3gpp in 2004 and officially started as lte work. Beming, network planning oriented radio network planning and optimisation for umts j. In currently deployed mobile networks, handover optimization is performed manually. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low. What is kpi what are lte kpis,key performance indicators.
Introduction handover ho is key procedure for ensuring that users can move freely within a network being connected to high quality services 1. This tutorial will give you enough understanding on lte technology from where you can take yourself at higher level of expertise. The lte network called eps evolved packet system is an endtoend e2e all ip network. The highlevel network architecture of lte is comprised of following three main components. This application note gives an introduction to lte technology, including both fdd and tdd modes of operation. Deploying the core on premises is important for performance. Lte includes an fdd frequency division duplex mode of operation and a tdd time division duplex mode of operation. The u2000 provides basic functions, such as configuration management, performance management, fault management, security management, log management, topology management, software management, and system management. Volte service description and implementation guidelines. Launch of first 4g lte commercial networks in scandinavia. Novosad umts radio network planning, op timization and qos management. The 4g lte network extender works in all 50 states, except for these countie s.
Intellectual property includes, but is not limited to, inventions patentable or. Lte tutorial for beginners learn lte online training. Not only was the radio access network improved for 4g lte, but the network architecture was overhauled enabling lower latency and much better interconnectivity between elements of the radio access network, ran. Standardized digital techniques for switching and transmission t1 etc q 1980. 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. Basic understanding on any of the network technologies like gprs, gsm, core network, radio interfaces etc is expected before diving into the tutorial. Lte is all ip based network and mainly designed for internetdata applications.
Having the basics put in place, we move forward to discuss advanced features introduced and. For more details about 4g lte network extender slsbu103, please refer to the information below. If you continue browsing the site, you agree to the use of cookies on this website. The long term evolution standard lte is a wireless communications, highspeed data standard for mobile phones and data terminals. In manual mode, the mobile presents the user with the list of networks that it has found. Lte attach procedure call flow the lte attach procedure call flow is a subject that may seem hard to understand. The text offers an introduction to the basics of lte architecture, services and technologies and includes details on the key principles and methods of lte optimization and its parameters. 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. Its basis stands in the gsmedge and umtshspa network technologies, with changes in terms of an increased capacity and higher speed by simplifying the core network and using a different radio interface.
Insert one end of the power cord into the power supply and then plug the other end into an available outlet 3. Network layerprovides the same functionality as the physical, the data link and network layers in the osi model. Lte doesnt allow you to just use any sim to authenticate to the network, but instead relies on mutual authentication of the ue and the network, so the network knows its talking to the right ue and the ue knows its talking to the right network. The content is presented in the form of bullet points to keep it concise and to allow rapid access to the key information. 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 technology related to a core network.
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