Although 3g umts uses a totally different radio access standard, the. The protocol stack of the radio interface between wcdma radio access network and the ue consists of a number of protocol layers, each giving a specific service to the next layer above. Umts works on wcdma, cdma2000 and tdscdma implementations by 3gpp. A framework for umts air interface analysis article pdf available in canadian journal of electrical and computer engineering 283. This radio interface has great capability on which third generation of mobile c slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Ofdma orthogonal frequency division multiple access in downlink and scfdma single carrier frequency division multiple access in uplink. The protocols used in the air interface, from the viewpoint of the mobile. In case of dispute, the reference shall be the printing on etsi printers of the pdf version kept on. The air radio interface standard for umts wideband direct sequence spread spectrum variable orthogonal spreading for multiple access ovsf three types of interface. Universal mobile telecommunications system umts is a 3g cellular telecommunication system. With service in the 2 ghz band, umts offers global. These interfaces are also known as reference points. Furthermore, mimo antenna schemes form an essential part of lte.
Wcdma air interface fundamentals telecommunications. In so doing, the architecture of the radio interface, 6 channel structures, the cdma physical layer, the protocols, procedures and operation will all be discussed. In the currently most popular variant for cellular mobile telephones, wcdma imt direct spread is used. As a subscriber moves from one cell to another in the system, the active base station changes periodically. Specification has been created in 3gpp the 3rd generation partnership project, which is the joint standardisation project of the standardisation bodies from europe, japan, korea, the usa and china. Umts universal mobile telecommunications system provides a completely new, flexible air interface. A proximity of timecritical functions to the air interface is crucial. It has additional advantages of high transfer rate, and increased system capacity and communication quality by. Wcdma air interface course gives the detailed description of the wcdma fdd technology and its use in the umts network. Download product flyer is to download pdf in new tab. Umts air interface protocol stack part 1 adel mounir. Utran umts terrestrial radio access network handles all radio related functionality wcdma is radio interface standard here. The protocols used in the air interface, from the viewpoint. Pdf lte the umts long term evolution download full pdf.
Authentication sim authentication pin code user authentication gsm, umts, dect, tetra network authentication umts. The umts airinterface in rf engineering by shingfong su. Jun 20, 2011 umts air interface free download as powerpoint presentation. Umts air interface free download as powerpoint presentation.
Download citation umts system and air interface architecture network architecture the air interface modes of operation spectrum allocations wcdma and. Wcdma is the most widely adopted air interface standard for third generation 3g mobile networks. Request pdf overview of umts air interface evolution with the emergence of packetbased wireless broadband systems such as 802. Wcdma for umts provides a complete picture of the wideband cdma code division multiple access air interface of the 3rd generation cellular systems umts universal mobile telecommunications systems. Interface technologies femtocells wiley online library.
May 07, 2014 this presentation discusses about the wcdma air interface used in 3g i. Radio access network dimensioning for 3g umts download. Scribd is the worlds largest social reading and publishing site. Umts universal mobile telecommunication system is the third generation telecommunications system based on wcdma. Outside the umts service area, umtsgsm ue will be connected. Umtsfdd is an acronym for universal mobile telecommunications system umts frequencydivision duplexing fdd and a 3gpp standardized version of umts networks that makes use of frequencydivision duplexing for duplexing over an umts terrestrial radio access utra air interface. The gsm air interface course provides detailed technical analysis of the 2g radio interface used to support voice and text messaging. The user equipment or ue is a major element of the overall 3g umts network architecture. Study these interview mcq questions and answers on 3g umts wcdma network architecture and interfaces. In view of the far greater number of applications and facilities that it can perform, the decision was made to call it a user equipment rather than a mobile. The gsm air interface um provides the physical link between the mobile and the network. The equivalent interface in gsmgprs networks is the um interface. This is the interface between the user equipment and the network.
Highly regarded as the book on the air interface of 3g cellular systems wcdma for umts has again been fully revised and updated. The training presents functionality related with the use of r99 dedicated channels, as well as, hspa. Gprs network in 3g is similar to that of the 2g gsm network. Utra umts terrestrial radio access air interface on the paired frequency bands, i.
Umts universal mobile telecommunications system, is the 3g successor to the gsm family of standards including gprs and edge. Gsm gprs umts radio network controller radio network controller voice data telcom 2720 wcdma wideband code division multiple access wcdma the air radio interface standard for umts wideband direct sequence spread spectrum variable orthogonal spreading for multiple access ovsf three types of interface. Wcdma is designed for multimedia communications including high quality images and video. They coedited the books lte for umts ofdma and scfdma based radio access, hsdpahsupa for umts. Lucent technologies proprietary 1 objectives describe the requirements and drivers behinds the wcdma air. Utra based on wcdma fully supports the umtsimt2000 requirements e. Dec 16, 2016 umts air interface protocol stack part 2 adel mounir duration. Umts gsm dualmode user equipment ue will be connected to the network via umts air radio interface uu at very high data rates up to almost 2 mbps. Lte the umts long term evolution available for download and read online in other formats. This chapter provides an overview of the advantages and enhancements of universal mobile telecommunications system umts compared to its predecessors. Wcdma for umts download ebook pdf, epub, tuebl, mobi. It has additional advantages of high transfer rate, and increased system capacity and communication quality by statistical multiplexing, etc.
During the time needed to read a web page freshly downloaded. Wcdma wideband code division multiple access is the radio interface for umts. Universal mobile telecommunications system umts and high. A 3g mobile network offers good download and upload speeds. Wcdma air interface fundamentals telecommunications radio.
The umts air interface in rf engineering shows you how to design, build, and operate the 3g wireless networks that carry most of todays global voice and data communications. Simulators have been developed at alcatel to study the downlink system performance of 2g, 2. Individual copies of the present document can be downloaded from. Umts interfaces protocols on different interfaces standard numbers and links to the different standards. Request pdf overview of umts airinterface evolution with the emergence of packetbased wireless broadband systems such as 802. However it is essentially the handset in the broadest.
Umtsgsm dualmode user equipment ue will be connected to the network via umts air radio interface uu at very high data rates up to almost 2 mbps. This course builds on the gsm and gprs system engineering course and focuses on the specifics associated with the air interface when supporting voice and sms services. The performance of these approaches depend on the environment, e. Dec 17, 2016 explain the umts air interface protocol stack part 2 by me adel mounuir to buy the full package please on this link. This course provides a comprehensive and detailed explanation of the umts air interface. Pdf gsm, 3g, umts, 4g, gprs cours et formation gratuit. Outside the umts service area, umts gsm ue will be connected to the network at reduced data rates via the um. The gsm air interface is described here, first in general terms, examining the channels used by the mobile and the network to establish communications, then with increasing detail, the procedures and messages exchanged.
Wcdma is characterised by use of a wider band than cdma. Umts network is called a third generation network3g. Lte also k nown as evolved utra and evolved utran provides new physical layer concepts and protocol architecture for umts. Umts is designed to cope with the growing demand of mobile and internet applications with required quality of service parameters. A few years ago, umts technology was at sic the early deployment.
Pdf a framework for umts air interface analysis researchgate. Umts embraces the foma, wcdma and hspa air interface technologies, and umts networks can coexist with earlier gsm gprs and edge networks. Lucent technologies proprietary 2 objectives describe the requirements and drivers behinds the wcdma air interface. The chapter discusses umts channel structure on the air interface, umts terrestrial radio access. Download citation umts system and air interface architecture network architecture the air interface modes of operation spectrum allocations wcdma and the spreading concept cell isolation. Fdd mode frequency division duplex and tdd mode time. Gsm europe and large parts of the world, cdmaone americas, damps americas, and pdc japan. Some of the key characteristics of the air interface are given in table 47. The physical characteristics of the airinterface are particularly important for the quality and success of a new mobile standard. The third edition now covers the key features of 3gpp release 6 ensuring it remains the leading principal resource in this constantly progressing area.
Umts combines three different terrestrial air interfaces, gsms mobile application part map core, and the gsm family of speech codecs the air interfaces are called umts terrestrial radio access utra. In cellular telephone communications, the air interface is the radiofrequency portion of the circuit between the cellular phone set or wireless modem usually portable or mobile and the active base station. Umts long term evolution lte technology introduction. This value is determined by the radio interface characteristic. This presentation discusses about the wcdma air interface used in 3g i. Gsm europe and large parts of the world, cdmaone americas, damps americas, and. Introduction the airinterface is the central interface of every mobile system and typically the only one to which a customer is exposed. Wcdma is the basis of japans ntt docomo s foma service and. Aug 11, 2009 utran interfaces are the most important point to start learning about the whole system.
Asymmetric uplink and downlink data rates to fit usual packetswitched ps traffic characteristics, e. Umts air interface protocol stack part 2 adel mounir duration. The chapter discusses umts channel structure on the air interface, umts terrestrial radio access network utran, core network mobility management, and radio network mobility management. The book explains the rf engineering aspects of umts, key elements of the 3gpp specifications, and practical operation of umts networks. In this tutorial you can learn the following topics. This method is called code division multiple access cdma. The basics of air interface modulation choices are introduced and key subjects such as 3gpp lte physical layer and protocol solutions are described. Overview of umts airinterface evolution request pdf. Download pdf lte the umts long term evolution book full free. Pdf uplink simulation of the umts air interface researchgate. All air interface options are part of itus imt2000. Kasumi algorithm known umts larger key lengths than in gsm. Two modes are specified for the umts air interface.
This application note introduces lte fdd and tdd technology and related testing aspects. Every day the number of equipments sic and their feature sets gets broader. The gsm air interface is described here, first in general terms, examining the channels used by the mobile and the network to establish communications, then with increasing detail, the procedures and messages exchanged between the peer layers of the gsm protocol stack. Umts air interface protocol stack p2 adel mounir youtube. Explain the umts air interface protocol stack part 2 by me adel mounuir to buy the full package please on this link. The umts airinterface in rf engineering shows you how to design, build, and operate the 3g wireless networks that carry most of todays global voice and data communications. Lucent technologies proprietary 1 wcdma air interface fundamentals prepared by. Ciphering air interface ciphering air interface signalling data integrity. Furthermore, the air interface has flexible support of mixed services, variablerate services, and an efficient packet mode. The training focuses on physical layer operation and procedures and other functions closely related with the physical layer. This includes analysis of the various physical and logical channels and the associated multiframes and protocols.
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