Used in gsm cdma code division multiple access all users share the same frequency all the time. Scribd is the worlds largest social reading and publishing site. Cdma 3g, 4g, 5g cellular networks cdma 3g, 4g, 5g cellular networks but youre probably wondering. The wireless application protocol wap is the defacto world standard for the presentation and delivery of wireless information and telephony services on mobile phones and other wireless terminals. Figure 1 a binary information signal to modulate this signal, we would multiply this sequence with a sinusoid and its. 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. This helps to reduce the strength of electronic warfare, that is, the.
Prepared by ibrahim alobida 816 code division multiple access cdma cdma features. Its totally an injustice to the regional board aspirants. Wireless video service in cdma systems seminar report and. These two technologies differ in the way calls and data travel over the mobile phone networks take place. Gsm global system for mobile communication and cdma code division multiple access are two dominant technologies for mobile communication. Introduction 4g is the term used to describe the next level of evolution in the field of wireless communication. Code division multiple access cdma linkedin slideshare. Feb 10, 2011 learn how to create an interactive cdrom that promotes your school, program, or project. By using flashmx, youll learn how to combine text, graphics, audio, video, and internet into an interactive cdrom presentation. Ofdmcdma introduction ofdmcdma system conceptual implementation coding papr in ofdmcdma systems multiantenna ofdmcdma comparison with other technologies ofdmcdma vs. Gold sequences are in useful in nonorthogonal cdma. Ofdm cdma introduction ofdm cdma system conceptual implementation coding papr in ofdm cdma systems multiantenna ofdm cdma comparison with other technologies ofdm cdma vs.
Ppt cdma powerpoint presentation, free download id. Code division multiple access cdma is a digital air interface standard, claiming eight to fifteen times the capacity of analog. Ppt ofdmcdma powerpoint presentation, free download. The uploader spent hisher valuable time to create this 3g vs wifi powerpoint presentation slides, to share hisher useful content with the world. Cdma is the preferred technology for the 3g generation. Wireless video service in cdma systems seminar report. Ppt on cdma download cdma training in tata download cdma 450 here you get knowledge about cdma 450,you get information about cd. Powerpoint presentation on cdma powerpoint presentations. Introduction to code division multiple access cdma. Cdma, ask latest information, abstract, report, presentation pdf,doc, ppt, cdma technology discussion, cdma paper presentation details, cdma, ppt, pdf, report. 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.
Simply it is a combination of hardware and software that forms the component of a larger system, this in turn is programmed to perform a range of dedicated functions usually with a minimal operator intervention. Cdma is the base on which access methods such as cdmaone, cdma2000, and wcdma are built. On the uplink, the objective of the mobile station is to produce a nominal received power signal at the base station receiver. Mar 08, 2015 mobile phone cloning seminar and ppt with pdf report. Sep 08, 2009 ppt on cdma download cdma training in tata download cdma 450 here you get knowledge about cdma 450,you get information about cd. The adobe flash plugin is needed to view this content. Presentation on gsm and cdma network by aditi juneja el10348 5 th sem. Apr 17, 2012 the term embedded system is quite a complex one. All users use same frequency and may transmit simultaneously narrowband message signal multiplied by wideband spreading signal, or codeword each user has its own pseudocodeword orthogonal to others. Purchase introduction to cdma wireless communications 1st edition. Apr, 2012 the wireless application protocol wap is the defacto world standard for the presentation and delivery of wireless information and telephony services on mobile phones and other wireless terminals. A free powerpoint ppt presentation displayed as a flash slide show on id.
Remove this presentation flag as inappropriate i dont like this i like this remember as a favorite. Classic wireline mabell public switched telephone network pstn us universal coverage achieved early 1980s wireless first generation analog systems speech amps, tacs second generation digital systems enhanced capacity cdma, damps, tdma, gsm, dect, pdc 2. Jeanpaul linnartz, 2007 cdma code division multiple access advantages of spreadspectrum transmission low spectral power density undetectability random access resistance to interference resistance to multipath fading timedomain interpretation. Introduction to cdma code division multiple access cdma is a radically new concept in wireless communications. Microsoft powerpoint is primed for use on tablets and phones, so you can swipe and tap your way through presentations. 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. Cdma radio channel, helps to overcome fading, and conserves battery power in portable and mobile units. Download 3g ppt presentation slides and seminar report in pdf for free for cse students. Cdma session 8 nilesh jha is95 cdma digital cellular cdma same frequency allocations as tdma but different bandwidths per signal, so grouped differently started. Lte coexists with other standards, allowing in theory handoffs between cells supporting lte and cells supporting umts, gsmgprs, 2g cdma, cdma mc or 1xevdo cdma 2000 delivered 3g speeds cdma mc cdma voice and lte data 1xevdo volte in progress verizon to end cdma in 2021 gsm after edge umts w cdma lte lte uses sim gained over 802. They also have a single autocorrelation peak at zero, just like ordinary pn sequences.
Cdma cdma motohiro ichinose cdma code division multiple access cdma a digital wireless technology that uses a. Ppt code division multiple access cdma powerpoint presentation free to download id. This company introduction ppt template is a modern and simple style business presentation template. Regardless of the mobiles position or propagation loss, each mobile.
Lets take a simple analogy to understand the concept of cdma. If your pdf is in a presentation format, the conversion should be no problem. Download create an interactive cdrom ppt files here. Microsoft powerpoint download 2020 latest for windows 10. Cdma 2000 delivered 3g speeds cdmamc cdma voice and lte data 1xevdo volte in progress verizon to end cdma in 2021 gsm after edge umts wcdma lte lte uses sim gained over 802. Conversion from pdf to ppt works on all computers the operating system you use doesnt matter. There are many features that make the new powerpoint attractive. Ppt cdma powerpoint presentation free to download id. This is a great spot for adding the title and subtitle of your presentation and making a small introduction to the topic. Free gprs tracker powerpoint template download free. Jul 05, 20 download 4g technology presentation transcript.
Ppt ofdmcdma powerpoint presentation, free download id. Also explore the seminar topics paper on wireless video service in cdma systems with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year computer science engineering or cse students for the year 2015 2016. Cdma cdma uses the whole band, for the whole time scares the out of the cw narrowbandwidth fans cdma everyone transmits on top of everyone else. Download ready to use free gprs tracker powerpoint template.
The exchange of information or communication with the friends, relatives, and dear ones has become very easy and simple that just with a mobile phone we can be in touch with all of them. Presenter view automatically adapts to your projection setup, and you can even use it on a single monitor, themes now come with variations, which make it simpler to hone in on the look you want, and when youre. Mar 09, 2014 code division multiple access cdma is a digital air interface standard, claiming eight to fifteen times the capacity of analog. The basics of code division multiple access jeanpaul m. Advance the presentation by zooming out and revealing the big picture the entire presentation is a chat conversation on a mobile smartphone screen. Sniffing the cellular network, trashing cellular companies or cellular resellers, hacking cellular companies or cellular resellers. Network, services, technologies, and operation harte, mr. Social media mobile presentation prezi template prezibase. References to qualcomm may mean qualcomm incorporated, or subsidiaries or business units within the qualcomm corporate structure, as applicable. Commissioner and director of municipal administration.
Jeanpaul linnartz, 2007 cdma outline multiple access methods fdma, tdma, cdma spread spectrum methods frequency hopping direct sequence more on code sequences. Mobile phone cloning seminar and ppt with pdf report. Introduction to cdma wireless communications 1st edition. Fhcdma is the repetitive switching of frequency at the time of radio transmission.
Explore wireless video service in cdma systems with free download of seminar report and ppt in pdf and doc format. On comparing both the technologies gsm has some limitation when the call quality is concerned but still has. This is a brief tutorial that describes all the technical terms in a simple language to make it understandable for all the interested readers. The technicality of cdma technology has given significant advantages over other parallel technologies in terms of spectrum efficiency and overall performance.
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 module sim base station subsystem bss base transceiver station bts base station controller bsc network switching subsystemnss mobile switching center msc home location register hlr visitor location. Frequency hopping code division multiple access fhcdma is a basic modulation technique used in spread spectrum signal transmission. Similarly, a combination of open loop and closed loop power control is used on the forward link downlink to keep snr at the mobile almost constant. Learn how to create an interactive cdrom that promotes your school, program, or project. 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 module sim base station subsystem bss base transceiver station bts base station controller bsc network switching subsystemnss mobile switching center msc home location register hlr.
Its a well known fact that cbses marking system is comparatively easier than other regional boards. So,definitely cbse candidates will score more in iseet. What is frequency hopping code division multiple access. You will find this template useful for business presentations related to company introduction, business plans, proposals, reports and etc. 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. To pick out the signal of specific user, this signal is modulated with a unique code sequence. Cdma 2000 is mostly an orthogonal cdma system gold sequences have only three crosscorrelation peaks, which tend to get less important as the length of the code increases.
1126 125 177 1483 1217 1156 498 1144 1482 582 1183 790 1112 372 569 610 942 208 1007 1497 1432 732 1331 826 1140 383 362 174 96 589 321 790 142 169 654 881 827 205 813 603 1491