Wcdma also improves business applications and download performance. Umts long term evolution lte technology introduction. Jul 03, 20 for the love of physics walter lewin may 16, 2011 duration. This application note gives an introduction to lte technology, including both fdd and tdd modes of operation. Pdf the field of cellular mobile communications cmc is highly emerging. Loutfi nuaymi, xavier lagrange, philippe godlewski. Cdma2000 and wcdma were the most commercially successful. All books are in clear copy here, and all files are secure so dont worry about it. It starts with solid foundations in the digital communications that are essential to unequivocal understanding of the cdma technology, and guides the reader through the fundamentals and characteristics of cellular cdma communications. It is necessary to ensure that the data is carried efficiently over the available spectrum, and therefore maximum use is made of the available spectrum, and hence the. Basics of the wcdma wcdma users share same radio resources whereas tdma. The tutorial on lte also covers lte protocol stack, lte physical layer, lte network architecture and so on. The purpose of the course is the address the fundamentals. W cdma wideband code division multiple access, umtsfdd, utrafdd, or imt2000 cdma direct spread is an air interface standard found in 3g mobile telecommunications networks.
Cdma technology is known as a spreadspectrum technique which allows many users to occupy the same time and frequency allocations in a given band and space. Fundamentals of network planning and optimisation 2g3g4g. The protocol of wcdma includes the physical layer, data link layer, and network layer as. Wcdma basics code division multiple access channel access. The book gives an indepth study of the principles of the spread spectrum techniques and their applications in mobile communications. The wcdma design handbook provides a detailed overview of the architecture and operation of the wideband codedivision multiple access wcdma interface. The key functionality of the new node b mac functionality machs. Every day the number of equipments and their feature sets gets broader. Name of figure page number 01 figure 1 6 02 figure 2 7 03 figure 3 9 04 figure 4 10 05 figure 5 11 06 figure 6 12 07 figure 7 08 figure 8 16 09 figure 9 19 10 figure 10 20 11 figure 11 20 12 figure 12 21 figure 23. Wideband code division multiple access wcdma is a thirdgeneration 3g standard that employs the directsequence code division multiple access dscdma channel access method and the frequencydivision duplexing fdd method to provide highspeed and highcapacity service. Using this bandwidth it has the capacity to carry over 100 simultaneous voice calls, or it is able to carry data at speeds up to 2 mbps in its original format. Wcdma vs gsm wcdma wideband code division multiplexing access and gsm are two technologies that are used in mobile telecommunications. Download product flyer is to download pdf in new tab. Antti toskala also joined nokia in 1994, and is currently senior standardisation manager with system technologies, nokia networks, and contributes to product development as hsdpa chief architect for nokia networks.
View online or download htc magic smartphone wcdma user manual. At first i will center the study in the objectives and main characteristic of this generation. Introduction to cdma wireless communications 1st edition. Difference between wcdma and gsm difference between. Providing deeply detailed information, it seems to be a good technical handbook. Lte tdd which is also referred to as tdlte provides the long term evolution path for tdscdma based networks. Umts uses wideband cdma wcdma as the radio transmission standard. We illustrate the need for integrated simulation tools with a wideband cdma communication example. Wcdma was adopted as a standard by the international mobile telecommunications. Jul 30, 2002 holma coedited the book wcdma for umts and completed his phd on umts performance at helsinki university of technology. Loutfi nuay mi, xavier lagrange, philippe godlewski. The evolution of cellular technologies from offering only voice services to enabling mobile data services took a major milestone after the introduction of third generation 3g networks.
The bandwidth of the data signal is now multiplied by a factor n ds. The difference between these two is that gsm is a 2g technology and wcdma is a part of the newer 3g group of technologies. Harri holma is principal engineer at nokia networks, with special focus on umtshsdpa performance. Spreading and scrambling transport channel combining soft handover compressed mode power control. Over the past three decades, cad techniques including both computerized. This tutorial starts off with a brief introduction to the history of mobile communication and cellular concepts and gradually moves on to explain the basics of gsm, gprs, and edge, before getting into the concepts of umts. Wcdma for umts third edition npru pdf book manual free. Audience this tutorial has been designed for readers who want to understand the basics of gsm in very. Dec 05, 2011 efficient, but variable delays gsm gprs core network reused by wcdma 3g gprs hscsd high speed circuit switched data dedicate up to 4 timeslots for data connection 50 kbps good for realtime applications c. Wcdmahspa basics for umts kari aho project and business development manager kari. Explore summer 2006 3g mobile communication networks 3 lists of figures s. Basic concepts of hspa february 2007 white paper hspa is a vital part of wcdma evolution and provides improved enduser experience as well. Explore summer 2006 3g mobile communication networks 6 3g mobile communication networks back ground third generation 3g is the generic term used for the next generation of mobile communications systems.
Optimization process is simplified by isolating basics steps. What is wideband code division multiple access wcdma. Being newer and more advanced, wcdma is now the technology that people want and it is slowly being deployed in a lot of. Knowing the basics monitoring the phone status the status bar at the top of the home screen provides phone and service status icons on the right side. Individual conversations are encoded with the help of pseudorandom digital sequence.
Wcdma ran planning and optimization book1 wrnpo basics. It is the basis of japans ntt docomos foma service and the mostcommonly used member of the umts family and sometimes used as a synonym for umts. We have 3 htc magic smartphone wcdma manuals available for free pdf download. Aug 19, 2009 wideband code division multiple access wcdma is the physical layer used for universal terrestrial radio access utra fdd mode. This site is like a library, use search box in the widget to get ebook that you want. Atm basics for wcdma networks free download as powerpoint presentation. Highspeed downlink packet access 283 wcdma l1 ue iubiur node b srnc hsdpa user plane uu mac rlc nas wcdma l1 machs transport frame protocol frame protocol transport macd rlc iu figure 11. Wcdma has the capacity to easily handle bandwidthintensive applications such as video, data, and image transmission necessary for mobile internet services. Basics idea about cdma technology and its applications.
Umts system architecture ue user equipment that interfaces with the user utran umts terrestrial radio access network handles all radio related functionality wcdma is radio interface standard here. Audience this tutorial is prepared for beginners to help them understand the basic toadvanced concepts related to umts. The wcdma technology provides the umts system some of the new functionalities on the air interface. A high speed 3g mobile wireless technology with capacity to offer higher data rate than cdma. Wcdma enhanced uplink principles and basic operation. Fundamentals of 3g basics of wcdma for umts duration. Wcdmahspa basics for umts disclaimer trainer and company. Ieee communications magazine this is a good handbook with precise technical information, although some basics of wcdma are also gathered in the first part. Wcdma basics code division multiple access channel. Each service provider can deploy multiple 5mhz carriers at. Lte includes an fdd frequency division duplex mode of operation and a tdd time division duplex mode of operation.
Lte standard has been published by 3gpp as an extension of umtsbased on 3gpp standard and 1xevdobase on 3gpp2 standard technologies. Due to the nature of traffic in wcdma networks and the option of a short transmission time interval tti for highdatarate transmission in wcdma release 6, this ic scheme is an attractive. Download wcdma for umts third edition npru book pdf free download link or read online here in pdf. Qualcomm still makes chips for wcdma, cdma, and gsm, but it is pushing for older generations for. Rf lecture series modulation fundamentals introduction to. February, 28th 2005 overview in this document i make a study of third mobiles generation systems. Basic note on spread spectrum cdma signals 3 figure 1.
There are several considerations that were taken into account when making the choice for the overall format for the umts wcdma modulation formats. However, nokia and erickson have just signed an agreement with tmobile to upgrade to 3 rd generation wcdma from gsm. About the tutorial gsm tutorial gsm is a globally accepted standard for digital cellular communications. Lucent technologies proprietary 1 w cdma air interface fundamentals prepared by. Gprs inefficient ties up resources, even when nothing sent not as popular as gprs many skipping hscsd edge enhanced data rates. Wcdma and gsm systems, but there are many simi larities as well. Ratings 100% 1 1 out of 1 people found this document helpful. Efficient, but variable delays gsm gprs core network reused by wcdma 3g gprs hscsd high speed circuit switched data dedicate up to 4 timeslots for data connection 50 kbps good for realtime applications c. These have been created to support the effective delivery of a range of multimedia services. Gsm uses narrowband time division multiple access tdma for providing voice and text based services over mobile phone networks. Cn core network is responsible for transport functions such as switching and routing calls and data, tracking users usim me. About the tutorial code division multiple access cdma is a channel access method normally used by 3g radio communication technology as well as in some other technologies. Introduction simulation techniques have been in use for many years to support the design and evaluation of electronic communication systems 1.
Rf lecture series modulation fundamentals introduction to wcdma. Read online wcdma for umts third edition npru book pdf free download link book now. What changes in rel99 wcdma when hspa is introduced. Click download or read online button to get ss7 basics book now. Your contribution will go a long way in helping us. The wcdma design handbook should be recommended especially to people interested in protocols and signaling. Mobile communications basics 2g gsm 3g umts 4g lte 5g wifi ieee 802. For the love of physics walter lewin may 16, 2011 duration. Wideband code division multiple access wcdma is the physical layer used for universal terrestrial radio access utra fdd mode. Manuals and user guides for htc magic smartphone wcdma.
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