As a reference, long term evolution lte air interface. Lte a meets and exceeds all requirements for 4g as specified in imtadvanced. Customized by fujitsu based on oai enb software epc software fujitsu virtualization platform vm service app. As a reference, longterm evolution lte air interface. Lteadvanced air interface technology and millions of other books are available for amazon kindle. The place for air interface how 4g works howstuffworks. The access to these services is through the use of a transport channel via the mac sublayer. This includes ofdma principles, access and nonaccess stratum protocols, channel structures, connectivity and mobility management procedures along with radio link control functions. Lte air interface and procedures design, deployment and. I learned something about loopback lo interface here you.
Note that in release 8 a mobile is not able to combine mimo and dchsdpa. This lte tutorial covers lte basics, lte features, lte air interface, lte channels and lte frame structure. Key features of lte lte uses adaptive modulation and coding lte uses advanced mimo spatial multiplexing techniques lte supports both fdd and tdd lte offers scalable. One single build including simulators and nos1 mode now a runtime option nos1 tun interface now used by default for ue, enbnos1, and uenos1 to use legacy kernel module, can be disabled using the. Physical layer procedures such channel coding, modulation, ofdm, resource blocks, signaling procedures and scheduling both in ul and dl. The tutorial on lte also covers lte protocol stack, lte physical layer, lte. Do you need to know what information elements are within each of the lte layer 1 channels and where to find them in the physical layer resource. Long term evolution lte is a leading contender for next generation broadband wireless networks, providing an evolution path for a variety of 3g wireless networks, such as umts and 1xevdo. In lte, information is organized as a function of frequency as well as time, using a resource grid. Pdf lte air interface training manual figures figures fadi. Lte interfaces and protocols telecommunications blog. Lte enables unprecedented performance in terms of peak data rates, delay, and spectrum efficiency.
The 5g air interface framework is built upon two major concepts. One single build including simulators and nos1 mode now a runtime option nos1 tun interface now used by default for ue, enbnos1, and uenos1 to use legacy kernel module, can be disabled using the nokrnmod 0. Schedules all the transmissions that are made on the lte air interface. The standard is developed by the 3gpp 3rd generation partnership project and is. Then you can start reading kindle books on your smartphone, tablet, or computer no kindle device required. Lte tutorial tutorial on lte basics rf wireless world. Sim cards and uicc tokens device and network authentication air interface protection uu backhaul and network protection s1mme, s1u lte s security architecture is defined by 3gpps ts 33. Corning spidercloud services node 9000 dualmode 3g umts and 4g lte air interface spec sheet lan2319aen page 2 revision date 20180919 synchronization cont. Lte security architecture 19 we will explore several lte defenses. Umts air interface protocol stack part 1 adel mounir. It reveals the in depth information on lte air interface, in terms of technology, protocols and procedures. This application note explains how to install and configure the openairinterface oai software on the usrp 2974 hardware to implement a 4g lte cellular basestation enodeb. Introduction in the current universal mobile telecommunications system umtshsxpa specifications, systems are capable of supporting high speed packet access for both downlink up to 14 mbps and uplink up to 5.
A detailed technical description of the air interface for lte radio access. Complete this form for a detailed course description course summary. That socalled language is the air interface, the standardized communications protocol that your mobile device uses to communicate with a base station. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Specifically, this document discusses the installation and configuration of the oai enodeb physical layer software. Combining of mbms transmissions from multiple cells mbsfn is supported. Lte long term evolution new air interface and architecture. This second webinar discusses lte air interface, the link between a mobile device and the network, and a fundamental driver of the quality of the network. The key lte network components and interfaces are described, and then the steps involved in establishing and managing data. If youve ever seen a smartphone commercial commence scoffing, youve seen the acronyms for various air interfaces, such as 4g lte, wimax worldwide interoperability for microwave access.
It provides detailed description on lte radio interface, its structure. Lte software linux os virtualization platform enbepc. Pdf lte air interface training manual figures figures. 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. This course will cover the major aspects of the lte air interface in a manner that both technical and nontechnical people will be able to fully appreciate. In terms of radio access virtualization, it encompasses self. Lte air interface signaling overview e award solutions. This elearning course takes a look at the lte air interface and. Umts air interface protocol stack part 2 adel mounir duration. The lte air interface physical layer offers data transport services to higher layers. Overview of lte radio interface and radio network architecture for high speed, high capacity and low latency. Enter your mobile number or email address below and well send you a link to download the free kindle app. Air interface layer 2 2 national chengchi university. Rrc is the protocol that is used for communication between ue and enb.
Lte long term evolution new air interface and architecture this 2 day training session offers a profound introduction to lte. Lte air interface training manual contents contents 1 the air interface. New potential of openairinterface as the private lte. Lte air interface free download as powerpoint presentation. Lte offers significantly higher packet data rates, enabling advanced multimedia applications and highspeed internet access. In this architecture, the anchors of the control plane are always located in the lte enb, that is, the s1mme interface is terminated by the enb. Besides an overview of lte basics like the new air interface and network architecture the main focus will be on principles and functional contexts in lte. Introduction advantages of volte include ability to combine it with other services.
Compared to a 4g enb, a 5g gnb can be separated into a centralized unit cu and one or more distributed units dus, which are connected over the f1 interface. Openairinterface 5g overview, installation, usage florian kaltenberger joint etsi osa workshop, sophiaantipolis, 11. Lte a can aggregate up to 5 carriers to make up to 100 mhz 4. Pdf the lte radio interface key characteristics and performance. In terms of air interface, it should be optimized in the way to support versatile application scenarios.
Controls the lowlevel operation of the physical layer. It also provides an overview of the physical layer structure and how it utilizes ofdma for over. Unleashing the potential of opensource in the 5g arena. Lte for 4g mobile broadband air interface technologies and performance. Maintains the data link across the air interface, if necessary by retransmitting. Development of the long term evolution lte air interface has been closely linked within 3gpp to the work on a new packetswitched system architecture initially called the system architecture. This course takes a look at the lte air interface and nonaccess stratum nas signaling operations used to establish and maintain lte calls. This paper presents some key characteristics of the lte radio interface.
If you continue browsing the site, you agree to the use of cookies on this website. In telecommunications, long term evolution lte is a standard for wireless broadband communication for mobile devices and data terminals, based on the gsmedge and umtshspa technologies. Lte, umts and gsm comparison webinar aircom international. The physical layer is expected to perform the following functions in order to provide the. The 5g air interface is a key part of the 5g system which will facilitate enhanced broadband. Pdf mobile broadband usage is taking off, demanding improved services and increased capacity of mobile networks.
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. Feasibility study of enabling v2x communications by lte. Do you need to know what procedures are triggered in the eps network and how. Corning spidercloud services node 9000 dualmode 3g. It increases the capacity and speed using a different radio interface together with core network improvements. Lte communications and networks wiley online library. This course focuses on the lte air interface and provides a detailed analysis. Christopher cox is a professional technical trainer and consultant in mobile telecommunications.
At the conclusion of the study phase, 3gpp decided that the project objectives could not be entirely met by evolving hspa. Getting started with 4g lte using eurecom openairinterface. As a result, the lte evolved radio access network ran is based on a completely new ofdm air interface. It describes the air interface of lte, focusing on the access stratum protocol layers. Notes on a working oai lte project using the limesdr and target user equipment samsung galaxy s4 mini, mainly pointers to build guides used and summary of obstacles encountered.
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