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. 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. The ue accesses the fixed part of the network through the uu interface. Umts interfaces protocols on different interfaces standard numbers and links to the different standards. Built from layer 1 up, our umts solution includes support for 16qam hsdpa and cdmatdd umts tdd, rake detection for multipath fade mitigation, and advanced turbo decoding algorithms. In this context, in order to offer a complete source on the umts air interface and. Outside the umts service area, umts gsm ue will be connected to the network at reduced data rates via the um. 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. Pdf an integrated approach is presented for uplink and downlink air interface capacity evaluation and traffic analysis for the multiservice.
May 07, 2014 this presentation discusses about the wcdma air interface used in 3g i. Radio resource management strategies in umts wiley online. Umts air interface free download as powerpoint presentation. 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. Gtp is a protocol defined on the gn interface between gsns in a gprsumts network. As a result, the lte evolved radio access network ran is based on a completely new ofdm air interface. Outside the umts service area, umtsgsm ue will be connected to the network at reduced data rates via the um. Lte air interface free download as powerpoint presentation. This presentation discusses about the wcdma air interface used in 3g i.
Due to the high chip rates and the effects of intercell interference, simulation is inherently more complicated than most of the other communications systems analysed in the past. The flotation equipment can be divided into several categories according to the method of introducing the air into the cell. The universal mobile telecommunications system umts air interface has been designed to be flexible enough to transport a wide range of traffic types, each with different quality of service qos requirements, in realworld radio conditions. Umts air interface protocol stack part 1 adel mounir. The gsm air interface of radio interface was given a considerable amount of thought and includes some features that mean that it operates very well and reduces the cost of the mobiles. Networking protocols system management umts specifications multiple synchronization clock options onboard highprecision ocxo core network master ptp server cellular network listen overtheair integrated gnss. Where things start to get interesting is with the power dynamics. Gsm, 3g, umts, 4g, gprs cours gsm, 3g, umts, 4g, gprs pdf, 495.
Air interface protection 24 the connection between the ue and the enodeb is referred to as the air interface 3 algorithms exist to protect the lte air interface. Concept of an ofdm hsdpa air interface for umts downlink. Utran umts terrestrial radio access network handles all radio related functionality wcdma is radio interface standard here. Built from layer 1 up, our umts solution includes support for 16qam hsdpa and cdmatdd umtstdd, rake detection for multipath fade mitigation, and advanced turbo decoding algorithms. The air interface is provided in the form of air bubbles introduced into a tank of slurry with agitation to provide an environment for maximum contact between particles and bubbles. All air interface options are part of itus imt2000. Umts networks andreas mitschelethiel, jens muckenheim oct12 12 radio network system rns provide access to the umts terrestrial radio interface rns rnc rns rnc core network node b node b node b node b iu iu iur iub iub iub iub utran radio network controller rnc radio mobility management management of radio resources base station. Corning spidercloud services node 9000 dualmode 3g. The specification extracts in this book are intended to provide a concise reference for the many documents related to umts systems. 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.
At the conclusion of the study phase, 3gpp decided that the project objectives could not be entirely met by evolving hspa. The physical characteristics of the airinterface are particularly important for the quality and success of a new mobile standard. Pdf the fdd portion of umts uses a wideband codedivision multiple access wcdma technique, with a frequency reuse of one. Lucent technologies proprietary 2 objectives describe the requirements and drivers behinds the wcdma air interface.
Umts air interface course description this course provides a comprehensive and detailed explanation of the umts air interface. The utran provides the air interface access method for user equipment. Umts networks oliver waldhorst, jens muckenheim oct11 6 gprs support node gsn gsns constitute the interface between the radio access network and the fixed networks for packet switched services similar to msc for cs calls serving gsn sgsn session management mobility management subscriber database management interface with hlr. The basic core network architecture for umts is based on gsm network with gprs. Snow 3g stream cipher designed by lund university sweden aes block cipher standardized by nist usa zuc. This is the interface between the user equipment and the network. Offers a detailed description of the radio interface in umts, as. In this tutorial you can learn the following topics. Gi interfacereference point between a gprsumts network and an external packet data network. The book explains the rf engineering aspects of umts, key elements of the 3gpp specifications, and practical operation of umts networks. Lucent technologies proprietary 1 wcdma air interface fundamentals prepared by.
Wcdma is the basis of japans ntt docomo s foma service and. Introduces the mobile communications sector and umts, including the evolution towards 4g systems, with an overview of the qos concept which is key for the definition of rrm strategies. 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. Snow 3g stream cipher designed by lund university sweden aes block cipher standardized by nist usa zuc stream cipher designed by the chinese. Dualmode 3g umts and 4g lte air interface spec sheet lan2319aen page 2 revision date 20180919 synchronization cont. In case of dispute, the reference shall be the printing on etsi printers of the pdf version kept on a specific network drive. After all, the whole umts specification set would probably exceed 4000 pages.
The equivalent interface in gsmgprs networks is the um interface. 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. Gn interfaceinterface between gsns within the same public land mobile network plmn in a gprsumts network. 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. Although 3g umts uses a totally different radio access standard, the. Mobilehandheld umts air interface protocol software geared to 3. Umts air interface protocol stack part 2 adel mounir duration. Scribd is the worlds largest social reading and publishing site. Introduction the airinterface is the central interface of every mobile system and typically the only one to which a customer is exposed. Universal mobile telecommunications system umts is a 3g cellular telecommunication system. Pdf a framework for umts air interface analysis researchgate.
The form of modulation used is easy to generate and enables the handset power amplifiers to operate efficiently whilst also enabling sufficient data to be. The umts airinterface in rf engineering by shingfong su. All equipment has to be modified for umts operation and services. Nov 05, 2018 gsm, 3g, umts, 4g, gprs cours gsm, 3g, umts, 4g, gprs pdf, 495. A framework for umts air interface analysis article pdf available in canadian journal of electrical and computer engineering 283. Utran interfaces are the most important point to start learning about the whole system. Umts universal mobile telecommunications system, is the 3g successor to the gsm family of standards including gprs and edge. Abstractwe devise our concept of ofdm hsdpa interface for umts downlink and consider channel aware transmission from base station to multiple users in. Pdf a framework for umts air interface analysis ahmad. The radio access specifications provide for frequency division duplex fdd and time division duplex tdd variants, and several chip rates are provided for in the tdd option, allowing utra technology to operate in a wide range of bands and coexist with other radio access technologies. The protocols used in the air interface, from the viewpoint of the mobile. Pdf a framework for umts air interface analysis keivan. Pdf uplink simulation of the umts air interface researchgate.
The air radio interface standard for umts wideband direct sequence spread spectrum variable orthogonal spreading for multiple access ovsf three types of interface. 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 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. This course provides a comprehensive and detailed explanation of the umts air interface. 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. In the currently most popular variant for cellular mobile telephones, wcdma imt direct spread is used. Umts is designed to cope with the growing demand of mobile and internet applications with required quality of service parameters. These interfaces are also known as reference points.