Free ppt templates, backgrounds, diagrams, map and free powerpoint templates, backgrounds, diagrams, maps for you. Code division multiple access cdma the concept of signal spreading and its uses in communications lets take a stright forward binary signal of symbol rate 2. Save hundreds of hours of manual work, be more productive and impress your. Cdma code division multiple access or cdma has its roots in wwii era spread. In 1985, the fcc allocated three frequency bands to spread spectrum communications. Download affordable gprs editable powerpoint template now. Official logos, templates and documents word, powerpoint, mail signatures, etc. Your contribution will go a long way in helping us. Download and create your own document with simple powerpoint templates 32kb 12 pages for free. Used in gsm cdma code division multiple access all users share the same frequency all the time. Save yourself time and work by copying a slide either from the presentation youre working on or from a separate presentation.
Download our 100% free 3d templates to help you create killer powerpoint presentations that will blow your audience away. Use one of these creative presentation templates to grab your. These two technologies differ in the way calls and data travel over the mobile phone networks. As a result, ds cdma uses much wider signals than those used in other technologies. Ppt technical introduction to cdma powerpoint presentation. Cellular gateways communicate between wireless sensors and the. Articles papers, presentations, reports and more overleaf. Get more information about ppt presentation cell phone jammer by visiting this link. Download this template, plus more 25 in all telecom powerpoint templates and backgrounds. Generate a local pseudorandom code with a higher rate than the data to. Microsoft powerpoint templates offer the widest range of design choices, which makes them perfect for modern and sophisticated presentations and pitches. Communications network template with us map for powerpoint.
Pdf assessment of network layouts for cdma radio access. This helps you give your presentation on 3g vs wifi in a conference, a school lecture, a business proposal, in a webinar and business and professional representations. Code division multiple access technology mobile device investigations program technical operations division. The bandwidth of the coded data signal is chosen to be much larger. Communications plan premium powerpoint template slidestore. The ds code is a signal generated by linear modulation with wideband pseudorandorn noise pn sequences. Customizable featurerich designs and 100% free for any use.
Manikas imperial college london ee303 communication systems an overview of fundamentals prof. For truly memorable presentations step beyond the default themes within powerpoint. Presentation gallery templates, examples and articles written in. These templates make it easy to create such a presentation, and the resulting set of slides is available for distribution in pdf format perfect for sharing before.
Multiple users occupying the same band by having different codes is known as cdma code division multiple access system let w spread. Code division multiple access each user is assigned a binary, direct sequence code during a call. In a cdma mobile phone, the transmitter and the receiver are operational. Difference between fdma, cdma and tdma i guess, one of the most basic questions which goes in our mind regarding telecom is what is the difference between the technologies which people generally. Agenda introduce company and service provide updates about industry status quo present alternatives to improve industry status quo meet the team of innovators. Scribd is the worlds largest social reading and publishing site. Communications network template with us map for powerpoint is a presentation template for microsoft powerpoint that you can download to make presentations on us network communications the. This professional design with colorful gradients and slanted shapes allows you to keep your content simple while delivering a stunning presentation. A class project on the difference between gsm vs cdma. How does it support more than one group in the same channel.
Produce beautiful documents starting from our gallery of latex templates for journals, conferences, theses, reports, cvs and much more. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Phil flikkemas usf briefing introduction to spread spectrum pdf about the capacity of a ds spread spectrum cdma cellular system pdf overview of modulation techniques for wireless pdf prof. View and download powerpoint presentations on verizon wireless ppt.
Nowell266 93 months ago is it possible for you to email me this ppt, it simple and easy to understand. References in this presentation to qualcomm may mean qualcomm incorporated, qualcomm technologies, inc. Aug 14, 2015 at present, cdma commercial networks areat present, cdma commercial networks are established in about 40 countries or area, almostestablished in about 40 countries or area, almost 20% of all users in the world20% of all users in the world 4. Technical introduction to cdma course outline basic cdma principles coding forward and reverse channels cdma operational details multiplexing, forward and reverse. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Cdma code division multiple access or cdma has its roots in wwii era spread spectrum technology. With overleaf, edit online instantly this conference presentation ims 2012 example. Furthermore, the online pdf converter offers many more features. Chapter 7 multiple division techniques outline frequency division multiple access fdma time division multiple access tdma code division multiple access cdma comparison of fdma, tdma, and. Difference between fdma, cdma and tdma learn about basics. The project involves design, fabrication, test and measurements of wireless cdma. Presentation for conference ims 2012 example with overleaf, edit online instantly this conference presentation ims 2012 example and download a pdf version. Just select the files, which you want to merge, edit, unlock or convert. Download free presentation templates compatible with microsoft powerpoint, creative ppt backgrounds and 100% editable slide designs.
This helps you give your presentation on 4g technology in a conference, a school lecture, a business proposal, in a webinar and business and professional representations. Materials that are as of a specific date, including but not limited to press releases. Depending upon the geographical area covered by a network, it is classified as local area network lan, metropolitan area network man, wide area network wan, and personal area. Les themes powerpoint sont bien souvent classiques et ennuyeux. Gsm system architecture pstn isdn pdn bsc ms bts msc gmsc bsc bts vlr ms eir bts auc ms hlr gsm system architecturei mobile station ms mobile equipment me subscriber identity. To pick out the signal of specific user, this signal is modulated with a unique code sequence. It allows multiple groups to share the same channel at the same time by assigning each group to different code. This telecom powerpoint theme or template is predominantly colored. Find the best of slidescarnivals ppt templates by industry. Cdma is the base on which access methods such as cdmaone, cdma2000, and wcdma are built. Powerpoint themes allow for a variety of presentation topics, giving you the freedom to choose the best presentation template design for your project. Gsm case study is part of a series of telecommunication case studies produced. Use this template for powerpoint to make your decks look awesome, delight your audience, and be memorable.
The pcs1900 licenses already cover approximately half of the us population, and it is. Download free simple powerpoint templates pdf, ppt. Find powerpoint presentations and slides using the power of, find free presentations research about verizon. Powerpoint is the worlds most popular presentation software which can let you create professional 3g vs wifi powerpoint presentation easily and in no time. Lets take a simple analogy to understand the concept of cdma. Introduction to cdma code division multiple access cdma is a radically new concept in wireless communications. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Winner of the standing ovation award for best powerpoint templates from presentations magazine.
Best free powerpoint templates for 2020 slides carnival. A gsm jammer or cell phone jammer is a device that transmit signal on the same frequency at which the gsm system. You can easily convert your pdf files to ppt with this online tool just in a few seconds and completely free. Materials that are as of a specific date, including but not limited to press releases, presentations, blog posts and webcasts, may have been superseded by subsequent events or disclosures. The aim of this paper is to perform an overall comparison of different network layouts for cdmabased cellular radio access. Free creative powerpoint templates, diagrams, and maps for your outstanding presentations. In second and third generation wireless communication a. Project report on cdma pdf technology, rourkela, in the bringing this report to a successful completion. It has gained widespread international acceptance by cellular radio system operators as an upgrade that will dramatically increase both their system capacity and the service quality. Depending upon the geographical area covered by a network, it is classified as local area network lan, metropolitan area network man, wide area network wan, and personal area network pan read this topic. Difference between fdma, cdma and tdma i guess, one of the most basic questions which goes in our mind regarding telecom is what is the difference between the technologies which people generally talks about. Principles of code division multiple access cdma professor a. A gsm jammer or cell phone jammer is a device that transmit signal on the same frequency at which the gsm system operates, the jamsming success when the mobile phones in the area where the jammer is located are disabled. You can easily convert your pdf files to ppt with this online tool.
Multiple users occupying the same band by having different codes is known as cdma code division multiple access system let w spread bandwidth in hz r 1tb date rate s received power of the desired signal in w j received power for undesired signals like multiple access users, multipath. 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. Many conversations are multiplexed into a single channel. The book gives an indepth study of the principles of the spread spectrum techniques and their applications in mobile communications. The receiver, knowing the code sequence of the user, decodes the received signal and recovers the original data. Introduction to cdma wireless communications 1st edition. History of cellular mobile radio and gsmglobal systems for mobile l early 1980s there was analog technologies. Invented by hedy lamarr and george antheil in the 1940s, it was used to control the movement of torpedoes by means of using multiple radio frequencies. Qualcomm products referenced on this page are products of qualcomm technologies, inc. Advanced mobile phone servicesampsin north america. Cdma cellular systems are deemed superior to fdma and tdma, which is why cdma plays a critical role in building efficient, robust, and secure radio communication systems. Cdma can be implemented in several ways, two of which are frequency hopping and direct sequencing.
The presentations are accompanied with an audio narration. Phil flikkemas usf briefing introduction to spread spectrum pdf about the capacity. Powerpoint is the worlds most popular presentation software which can let you create professional 4g technology powerpoint presentation easily and in no time. At present, cdma commercial networks areat present, cdma commercial networks are established in about 40 countries or area, almostestablished in about 40 countries or area, almost 20%. Executive summary cdma stands for code division multiple access. Use our ppt templates and slide designs to give unique appearance to your.
A free powerpoint ppt presentation displayed as a flash slide show on id. Agenda introduce company and service provide updates about industry status quo present alternatives to improve industry status quo meet the team of innovators and game changers let this slide in your powerpoint templates communication introduce the points you re going to cover. Qualcomm incorporated includes qualcomms licensing business, qtl, and the vast majority of its patent portfolio. Technical introduction to cdma is the property of its. It has gained widespread international acceptance by cellular radio system. Chapter 7 multiple division techniques outline frequency division multiple access fdma time division multiple access tdma code division multiple access cdma comparison of fdma, tdma, and cdma walsh codes nearfar problem types of interferences analog and digital signals basic modulation techniques amplitude modulation am. Free download 4g technology powerpoint presentation slides. Difference between gsm and cdma the worlds renowned mobile phone network technologies are gsm global system for mobile communication and cdma code division multiple access. Technical introduction to cdma powerpoint ppt presentation. This presentation by rishi mohindra adaptive rf, inc analyzes a cdma. Be effective with your powerpoint presentations by using our gprs powerpoint presentation template. Find powerpoint presentations and slides using the power of, find free presentations research about verizon wireless ppt.
1107 381 1596 20 1276 171 120 253 701 1564 1589 769 1453 729 595 763 875 560 671 203 1187 501 469 306 902 950 653 1158 1510 555 1136 390 632 1089 653 1120 834 635 453 309 839