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Post Reply Close Saving..... Edit Comment Close By: sidddhhhh (26 month(s) ago) hey pls send me the ppt at firstname.lastname@example.org.... Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Slide 1: 3G Technology Presented by - Ritesh Jamdurkar Computer II yearSlide 2: ContentsSlide 3: What is 3G ? 3G is the 3 rd Generation wireless technology. It comes with enhancment over previous wireless technology, like high-speed transmission, advanced multimedia access and global raoming. 3G is commonly used with mobile phones and handsets as a means to connect the phone to Internet or other networks in order to make voice and video calls, to download and upload data and to surf the net. 3G allows simultaneous use of speech and data services and higher data rates up to 14.0 Mbps.Slide 4: History : The Third Generation, as the name suggest, follows two erlier generations. i.e., 1G and 2GSlide 5: 1G The First generation began in the early 80’s with commerical deployment of Advanced Mobile Phone System (AMPS) cellular networks. Early AMPS Networks used Frequency Division Multiple Access (FDMA) to carry analog voice over channels in the 800Mhz frequency band.Slide 6: 2G The Second Generation emerged in the 90’s when mobile operators deployed two digital voice standards. In North America some operators uses CDMA in 800 Mhz band Across the world many operators adopted GSM standard, which used TDMA in 900 and 1800 Mhz bands.Slide 7: The first commercial 3G network was launched by NTT DoCoMo in Japan on 1 October 2001 In 2008, India entered into 3G Mobile arena with the launch of 3G enabled Mobile services by Mahanagar Telephone Nigam Limited (MTNL). MTNL is the first Mobile operator in India to launch 3G services. History about 3GSlide 8: Features : There are many features of 3G technology such as Higher Data Speed, Enhanced Audio and Video streaming, Video conferencing Support, Web browsing at higher speed, IPTV support. Etc. But the most important features of 3G are :Slide 9: It is the one of the most important feature of 3G The Transfer Data Rate of 3G is very high as compare to 2G system i.e., GPRS and EDGE. The transfer rate for 3G networks is normally 460 kbps for device that are moving fast and 2 Mbps for slow ones. For fixed wireless LAN’s the speed goes beyond 2Mbps. Data RateSlide 10: Another Important feature of 3G is increased Security 3G networks offer a greater degree of security than 2G predecessors, by allowing the UE to authenticate the network it is attaching to, the user can be sure the network is the intended one and not an impersonator. 3G networks use the KASUMI block crypto instead of the older A5/1 stream cipher. SecuritySlide 11: Applications : Some of the applications are : Mobile TV Video on demand Video conferencing Tele-medicine Location-based servicesSlide 12: Evolution from 2G : The first major step in the evolution to 3G occurred with the introduction of General Packet Radio Service (GPRS). So the cellular services combined with GPRS became ' 2.5G.' GPRS could provide data rates from 56 kbit/s up to 114 kbit/s. It can be used for services such as Wireless Application Protocol (WAP) access, Multimedia Messaging Service (MMS), and for Internet communication services such as email and World Wide Web access. From 2G to 2.5GSlide 13: GPRS networks evolved to EDGE networks with the introduction of 8PSK encoding. Enhanced Data rates for GSM Evolution (EDGE), Enhanced GPRS (EGPRS) is a backward-compatible digital mobile phone technology that allows improved data transmission rates, as an extension on top of standard GSM. EDGE was deployed on GSM networks beginning in 2003 EDGE is standardized by 3GPP as part of the GSM family, and it is an upgrade that provides a increase in capacity of GSM/GPRS networks. The specification achieves higher data-rates by switching to more sophisticated methods of coding (8PSK), within existing GSM timeslots. From 2.5G to 2.75G (EDGE)Slide 14: Evolution towards 4G : 4G refers to the fourth generation of cellular wireless standards. It is a successor to 3G and 2G standards, with the aim to provide a wide range of data rates up to ultra-broadband (gigabit-speed) Internet access to mobile as well as stationary users. A 4G cellular system must have target peak data rates of up to approximately 100 Mbit/s for high mobility such as mobile access and up to approximately 1 Gbit/s for low mobility such as nomadic/local wireless access.Slide 15: How to Access 3G ? The First thing you require is a device (eg. A mobile phone) that is 3G compatible. You need to subscribed to a service provider to get 3G network connectivity. We often called this kind of service a data plan or network plan. Your device is connected to the 3G network through it’s SIM card or a data card which are both generally provided by the service provider.Slide 16: Conclusion : Okay, So in this way I say that 3G is very popular technology now-a-days, As It has high security, high Speed of data transfer and gives more reliability at low cost. We can get benefit in our day to day life using this technology....!Slide 17: References : CHIP Magazine issue Sept 2009 http://voip.about.com/od/mobilevoip/p/3g.htm http://www.wikinvest.com/concept/3g.htm http://en.m.wikipedia.org/wiki/3G.htm http://searchtelecom.techtarget.com/definition/ sid-gc.htmSlide 18: THANK YOU...! You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.