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. The latest lte standards are included on the radio interface architecture, the. 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. Lte also k nown as evolved utra and evolved utran provides new physical layer concepts and protocol architecture for umts. The tutorial on lte also covers lte protocol stack, lte physical layer, lte network architecture and so on.
Reference point for the control plane protocol between. Below is a more ellaborated diagram of eutran protocol stack. System architecture for 3gpp lte modem using a programmable. The network architecture defined for lte and ltea comprises the evolved node b enodeb, the evolved packet system eps and the user equipment ue 1, 2. Jul 27, 20 this videos explains the lte network and protocol architecture and mapping logical and transport channels in lte. In case of dispute, the reference shall be the printing on etsi printers of the pdf version kept on a specific. They are transferred over the abis interface as transparent messages and over the a interface using the direct transfer application part dtap. Overview and detailed explanations are given for the latest lte standards for radio interface architecture, the physical layer, access procedures, broadcast, relaying, spectrum and rf characteristics, and system performance. Download product flyer is to download pdf in new tab. T he hss can be ac essed y t e mme via s6a interface.
The lte network architecture strategic white paper 1 1. Longterm evolutionsystem architecture evolution lte sae. Development of lte ue protocol stack at non access stratum layer. Network architecture with the focus on protocol stack. Lte architecture, lte system architecture, lte components the lte network overview frequency bands modulation schemes the components of the lte network the epc the mme the sgw the pgw the hss the pcrf the pcef the role of the enodeb interfaces of the enodeb lte uu s1 x2 kpirelated measurements the eutran the eutra the eutran protocol stack. Simple protocol architecture shared channel based ps mode only with voip capability.
Lte the umts long term evolution download ebook pdf. Radio imt advanced based on lte release 10 and beyond. Type 2 lte frame structure type 2 lte frame structure lte protocol architecture. Fundamentals of lte ebook by arunabha ghosh rakuten kobo. Umts long term evolution lte technology introduction. Download it once and read it on your kindle device, pc, phones or tablets. Pdf development of lte ue protocol stack at non access. Click download or read online button to get fundamentals of lte book now. This document provides a brief overview of the lte network architecture as the first technical document of lte area. Radio protocols for lte and lte advanced pdf download. For the overall system performance the protocols in the other layers, such as handover protocols, also.
Longterm evolution system architecture evolution lte sae. Lte advanced protocol stack consists of user plane and control plane for as and nas. Functions related to bearer management this includes the establishment, maintenance and release of the bearers and is handled by the session management layer in the nas protocol. The x2 interface is defined between two neighbour enbs. The emvcap chip authentication protocol is a tool that, during an offline connection, exploits the. This mode is used for delay tolerant data but is loss sensitive such as file download where it is desired to minimize packet losses to save bandwidth utilization and enhance data rate. Patterns in network architecture a return to fundamentals 2 p a g e. This paper provides an introduction to how the lte protocol stack operates. Rr messages are mapped to the bss application part bssap in the bsc. 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. Physical layer layer1 physical layer carries all information from the mac transport channels over the air interface.
The network architecture defined for lte and lte a comprises the evolved node b enodeb, the evolved packet system eps and the user equipment ue 1, 2. Analyses and implementation of ipsec protocol in the lte. Lte provides a packet switched model at the sap, but retains a circuit switched model at the phy. Longterm evolutionsystem architecture evolution ltesae. System architecture for 3gpp lte modem using a programmable baseband processor di wu, johan eilert and dake liu department of electrical engineering, link. The radio protocol architecture for lte can be separated into control plane architecture and user plane architecture as shown below. First, the lte network reference model is defined and its basic evolved packet system eps entities and the functions of each entity are. Lte radio layer 2, rrc and radio access network architecture. At user plane side, the application creates data packets that are processed by protocols such as tcp, udp and ip, while in the control plane, the radio resource. Lte advanced architecture lte advanced protocol stack. Lte network architecture and protocolpdf free download.
Fundamentals of lte download ebook pdf, epub, tuebl, mobi. Lte in a nutshell protocol architecture computer standards. Network and protocol architecture ltesae network architecture epc evolved packet core base station control plane and user plane protocol stacks epc protocol stacks. Executive summary this paper provides a comprehensive overview of the network architecture of a long term evolution lte system according to the release 8 version of the specifications. 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. Lte advanced architecture for eutran consists of pgw,sgw,mme,s1mme,enb,henb,henbgw, relay node etc. Protocol architecture an overview sciencedirect topics. This handover applies to rlc acknowledge mode am bearers. 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. Lte lte advanced for mobile broadband pdf, epub, docx and torrent then this site is not for you. Jul 10, 20 this document provides a brief overview of the lte network architecture as the first technical document of lte area. Lte in a nutshell protocol architecture free download as pdf file. The lte network architecture explained in this document applies to a lte only network provided by a single operator and thus has.
Read fundamentals of lte by arunabha ghosh available from rakuten kobo. There is a misconception among some of the industry followers that lte systems configured to operate in unpaired lte tdd or paired lte fdd spectrum have different origins, different technical characteristics, and different prominent contribu. Lte standard has been published by 3gpp as an extension of umtsbased on 3gpp standard and 1xevdobase on 3gpp2 standard technologies. Physicalcommunication32010217244 219 table 1 lte,lteadvanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul. The lte network architecture has been presented as the first document of the lte technical document series. Click download or read online button to get lte the umts long term evolution book now. Individual copies of the present document can be downloaded from. In lte architecture, core network includes mobility management entity mme, serving gateway sgw, packet data network gateway pdn gw where as eutran has eutran nodeb enb. Umts system architecture and protocol architecture overview on overall system architecture umts network architecture and elements mobile station. The definitive guide to lte technology longterm evolution lte is. Mar 01, 2012 this book focuses on lte with full updates including lte advanced to provide a complete picture of the lte system. Protocol signaling procedures in lte radisys white paper 2 network architecture in figure 1, the architecture of the lte network is given with the various interfaces between the network.
Network architecture computer network architecture lte network architecture and protocol. Umts system architecture and protocol architecture overview on overall system architecture umts network architecture and elements mobile station highlevel functions umts domains and strata umtsgprs protocol architecture references. Lte network architecture and protocolpdf free download ebook, handbook, textbook, user guide pdf files on the internet quickly and easily. This site is like a library, use search box in the widget to get ebook that you want. System architecture evolution national chengchi university. The user plane consists of a set of protocols used to transfer the actual user data through the lte network, whereas the control plane consists of protocols used to control and establish the user connections and bearers within.
Some ch anges in t he dat base as well as int e hss protocol diameter w ill be necessary to enable hss for ltesae. This videos explains the lte network and protocol architecture and mapping logical and transport channels in lte. This application note introduces lte fdd and tdd technology and related testing aspects. The radio protocol architecture for lte can be separated into control plane architecture and user plane architecture as shown in figure 3 and figure 4.
The radio protocol architecture for lte can be separated into control plane architecture and user plane architecture. For this purpose, it was studied and analyzed the impact in the lte architecture and performance, concluding that. The presented work aims to evaluate the introduction of ipsec in the lte access network. The long term evolution standard lte is a wireless communications, highspeed data standard for mobile phones and data terminals. Long term evolution protocol overview nxp semiconductors. The protocols used in the air interface, from the viewpoint of the mobile. Network architecture with the focus on connecting interface.
Provides a unique focus on radio protocols for lte and lteadvanced ltea giving readers a valuable understanding of lte radio protocols, this book covers lte longterm evolution layer 23 radio protocols as well as new features including lteadvanced. This page covers lte advanced architecture and lte advanced protocol stack. Protocol overview 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. First, the lte network reference model is defined and its basic evolved packet system eps entities and the functions of each entity are described. The physical layer itself maintains the continuous connection model, especially on the downlink, where there is continuous transmission. With ltesae th ehss will g t additionally data per subscriber for sae mobility and service handling. Pdcp packet data convergence protocol, rlc radio link control, and. Even when you are not directly talking to me, it would be good for you to keep these snapshots in your mind and associate these visualization to whatever you are readingstudying about lte protocol. Max data rate that they can handle different types of radio access technology that they support the carrier frequencies on which they can transmit and receive.
Signalling radio bearers srbs are defined as radio bearers rb that are used only for the tran. A high speed packet access hspa protocol architecture includes an hspa nodeb, an hspa radio network controller rnc, and a core network. The user plane protocol stack between the enode b and ue consists of the following sublayers. It is divided into two sections to differentiate between the two technologies characteristics. 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. Course contents historical vision lte capabilities system architecture 3. Frequency division duplexing fdd and time division duplexing tdd both paired and unpaired. 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. Lte downlink and uplink transmissions are organized.
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