Protocol stack nas nas rrc rrc pdcp rlc mac rlc mac pdcp phy phy rlc functions. From theory to practice, edited by stefania sesia, as section authors for user plane protocols. Pdf a case study on protocol stack integration for 3gpp lte. Long term evolution lte is the next generation 3gpp radio access network evolved umts terrestrial radio access network eutran system architecture evolution sae is the 3gpp next generation standard for mobile networks providing.
Nbiot is another 3gpp construct challenging the disruption sigfox and lora alliance. Pdf a case study on protocol stack integration for 3gpp. Overview long term evolution lte is the next step forward in cellular 3g services. 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. Long term evolution protocol overview nxp semiconductors. Jan 15, 2020 although there are other proprietary protocols and stacks such as the dash7 alliance protocol, they havent gained as much traction and wont be covered in this article. Title slide of lte protocol overview slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Tcpip tutorial and technical overview lydia parziale david t. Observed time difference of arrival otdoa positioning in. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g. Ltem and narrowbandiot nbiot are promising additions to the lpwan space. Increased bandwidth endtoend ip simplified architecture. A case study on protocol stack integration for 3gpp lte evolved node b.
Sae system architecture evolution is the corresponding evolution of the gprs3g packet core network evolution. An overview of telecom wireless protocol stack layers nutaq. The longterm evolution lte as defined by the 3rd generation partnership project 3gpp is a highly flexible radio interface 1, 2. Lte protocol stack layers lets have a close look at all the layers available in eutran protocol stack which we have seen in previous chapter.
R additional imt spectrum band identified in wrc07 further evolution of lte release 8 and 9 to meet. Introduction to lte raj jain washington university in saint louis saint louis, mo 63. Lte and epc test an overview of test concept and tools for. Pdf long term evolution protocol overview bipin ojha. This whitepaper presents an overview of the protocol stack for lte with the intent to describe where important functions reside along with the implications of such architectural design. Protocol stack nas nas rrc rrc pdcp rlc mac rlc mac pdcp phy phy rlc functions transferring upper layer pdus. We will also cover 5g deployment scenarios from the specs as well as some of the informative web resources. Mobile network evolution lte architecture and benefits lte key technology lte communication procedure. Iot connectivity comparing nbiot, ltem, lora, sigfox, and. Overview of positioning techniques for lte technology e. The term lte is typically used to represent both lte and sae.
Lte phy overview gwanmo ku adaptive signal processing and information theory research group nov. Lte long term evolution or the eutran evolved universal terrestrial access network, introduced in 3gpp r8, is the access part of the evolved packet system eps. Gprs tunnelling protocol for the user plane gtpu tunnels user data between enodeb and the sgw as well as between the sgw and the pgw in the backbone network. Pdf modeling lte protocol for mobile terminals using a formal. 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. This document describes the functionalities for the support of otdoa location in lte as currently defined in 3gpp and oma. In telecommunications, longterm evolution lte is a standard for wireless broadband communication for mobile devices and data terminals, based on the gsmedge and umtshspa technologies. Michael bartock jeffrey cichonski it specialist security national institute of standards. Lte positioning protocol lpp is a new protocol for lte, although secure user plane location supl version 2. Overview of positioning techniques for lte technology. The figures shown below provide mapping of protocols to corresponding specifications. Huawei e3372 lte usb stick product description issue 02 20150119 commercial in confidence page 6 of 22 1 overview huawei e3372 lte usb stick hereinafter referred to as the e3372 as a high speed.
Know mobile network evolution know lte protocol standard master the lte architecture understand lte key technology master each elements function understand lte communication procedure know zte lte solution content. In this blog post, i describe gsm and lte in order to illustrate the differences and similarities between protocol stack implementations. Sep 05, 2012 their major work is standardization of layer23 radio protocols covering various 3gpp systems like umts, hspa, lte, and lte advanced. Jul 10, 20 this document provides a brief overview of the lte network architecture as the first technical document of lte area. Ltem and narrowbandiot also called nbiot and ltem2, and explained beautifully here have recently emerged as new, big players in the space. 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. Global navigation satellite system gnss based solutions are highly accurate and the technology of. It talks about nas, rrc, pdcp, rlc, mac, and physical layer. This paper provides an overview of the mac for 3gpp long term evolution lte also referred to as eutran, with a focus on the handset or user equipment ue. Overview of the 3gpp long term evolution physical layer.
The protocol stack functions consist of the medium access control mac, radio link control rlc, packet data convergence protocol pdcp, and radio resource control rrc. Discussion of lterelated protocols, including sae, pdcp, rlc. Radio protocols for lte and lte advanced pdf download. 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. The radio protocol architecture for lte can be separated into. Phy mac rlc pdcp ip rrc nas phy mac rlc pdcp rrc ip 1 2 3 scope ue enodeb user plane control plane control plane user plane air interface fig. Because the final 3gpp specification will cover tens of thousands of pages, this. Physicalcommunication32010217244 219 table 1 lte,lteadvanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul. These layers are implemented differently in each wireless protocol. It is intended as a one stop guide to provide an overview of the otdoa feature for operators and manufacturers interested in the deployment. Radio imt advanced based on lte release 10 and beyond. Lte overview lte telecommunication orthogonal frequency. Huawei e3372 lte usb stick product description issue 02 20150119 commercial in confidence page 6 of 22 1 overview huawei e3372 lte usb stick hereinafter referred to as the e3372 as a.
Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. 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. There is a misconception among some of the industry followers that lte systems configured to operate in unpaired lte tdd or paired lte fdd spec. If you continue browsing the site, you agree to the use of cookies on this website. Test specifications communication tester platform overview. Lte and epc test an overview of test concept and tools for trials. Overviewlong term evolution lte is the next step forward in cellular 3g services. 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. This document provides a brief overview of the lte network architecture as the first technical document of lte area. Lte a meets and exceeds all requirements for 4g as specified in imtadvanced.
This video gives overview of lte air interface protocol stack. The lte protocol stack l2 is divided into three sublayers, medium access. Mimo, wlan or dvbt and associated interrat measurements all phases of development, verification and production all protocol layers, from rf tests and protocol tests to endtoend application tests module tests, system and integration tests, regression tests, conformance tests and production tests. Lte location based services technology introduction. Lte a has frequency reuse factor of 1 since spectrum is expensive, uses highorder mimo. Pdf the present wireless technology is 4th generation 4g or long term evolution lte and lte advanced, which is the latest and is. Next, the interfaces between the eps entities and the protocol stack. Mobile class targets 100 mbps with high mobility and nomadic local area class targets 1 gbpswith low. First, the lte network reference model is defined and its basic evolved packet system eps entities and the functions of each entity are described.
Oct 16, 2010 title slide of lte protocol overview slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Pdf development of lte ue protocol stack at non access. Jan 09, 20 long term evolution protocol overview 1. Their major work is standardization of layer23 radio protocols covering various 3gpp systems like umts, hspa, lte, and lteadvanced. Introduction network architecture lte interfaces protocol stack frame structure lte channels lte ue operations traffic handling summary private and confidential 2016 commscope, inc. The state oftheart lte protocol design is the result of a careful crosslayer approach where the protocols interact with each other efficiently. Licensed spectrum framework synchronous system device transmits at nominal mobile power levels proposed as a rel 12 3gpp feature study item approved in 3gpp sa1 in sept 11 proposing ran study item for rel 12 ltedirect proposal includes two subfeatures device to device peer discovery pd. Our results suggest that the lte protocol stack can operate synchronously, thus. The physical layer is the protocols interface to the real world. Ltem is third generation partnership projects commonly known as 3gpp response to intense interest in lpwan solutions that piggyback on standard lte connectivity while preserving resources. Huawei huawei e3372 lte usb stick product description. Lte a can aggregate up to 5 carriers to make up to 100 mhz 4. Overview of the lte protocol stack and the scope of our analysis. The standard is developed by the 3gpp 3rd generation partnership project and is.
This article provides a thorough overview of this protocol stack, including the sublayers and corresponding interactions in between them, in a manner that is. Lte location based services technology introduction white paper location based services lbs involves the process of determining where a device is located. In figure 1, the architecture of the lte network is given with the various interfaces between the network elements. Technology rf generator rf analyzer network emulation protocol test endtoend application test lte fdd. Mar 01, 2016 this video gives overview of lte air interface protocol stack. They have also participated in writing the book lte, the umts long term evolution. Advance the sliding prehensive, overview of the 3gpp release 8 lte network architecture and interfaces, showing how it. Ltea can aggregate up to 5 carriers to make up to 100 mhz 4. The intergenerations dual connectivity dc between the 4g and 5g, named as lte nr, has got a lot of attention in 3gpp release 15 because such integration may help to guarantee 5g dedicated. Iot connectivity comparing nbiot, ltem, lora, sigfox. Lte radio layer 2, rrc and radio access network architecture.
This paper provides an introduction to how the lte protocol stack operates. Ltea meets and exceeds all requirements for 4g as specified in imtadvanced. White paperlong term evolution protocoloverviewdocument number. The epc is the core of the network and is responsible for authentication, mobility. The first release of lte provides peak rates of 300 mbs, a radionetwork delay of less than 5 ms, a significant increase in spectrum efficiency com. Private and confidential 2016 commscope, inc outline. Lpp is similar to protocols such as rrc, rrlp, and is801 already deployed in 2g and 3g networks2 time difference of arrival. Protocol signaling procedures in lte radisys white paper 5 rrc connection and initial attach procedure after the random access procedure, if the ue is.
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