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ITU designed 4G in 2002 with the official name “3G Long-Term Evolutions” or 3.9G Will allow users to download a full-length feature film within five minutes Will also be able to stream high-definition television and radio to hand-held devices The basic difference between 3G and 4G is in data transfer and signal qualityPowerPoint Presentation: few countries have started the 4G commercially In the US, Japan,Norway,Sweden,Sprint Nextel initiated the service Countries expected to launch 4G by this year are Germany, Spain, China and England Which countries have 4G?PowerPoint Presentation: Has already begun the process of introducing 4G India is among the latecomers in 3G It has taken three years for the government to decide on 3G-spectrum auction policy 4G could face the same delay unless India wants to catch up with the rest of the world 4G in India?PowerPoint Presentation: The 1G cellular telephone system divided cities into small cells. This division allowed extensive frequency reuse across a city, allowing millions to use cell phones simultaneously. 1G cell phone technology encompassed analog standards introduced in the 1980s and continued until replaced by 2G digital cell phones. 4G 3G 2G 1G First Generation Cellular Communication (1G) Evolution of Data StandardsPowerPoint Presentation: Second Generation Cellular Communication (2G) 2G digital technologies can be divided into two standards: TDMA (Time Division Multiple Access) - GSM: Originally from Europe but used worldwide - iDEN: Proprietary network used by Nextel in the US - PDC: Used exclusively in Japan CDMA (Code Division Multiple Access) - IS-95: Commonly referred to as CDMA and used in the Americas and parts of Asia 4G 3G 2G 1G Evolution of Data StandardsPowerPoint Presentation: Third Generation Cellular Communication (3G) 3G networks provide the ability to transfer voice data and non-voice data (music downloads, emails and instant messaging) over the same network simultaneously. 3G networks deliver broadband capacity and support greater numbers of voice and data customers at lower incremental costs than 2G. Standards: - W-CDMA : Wideband Code Division Multiple Access - EVDO : Evolution-Data Optimized 4G 3G 2G 1G Evolution of Data StandardsPowerPoint Presentation: Less Complexity, Faster Transmission Unlike the 3G networks which are a combination of circuit switched and packet switched networks, 4G will be based on packet switching only. This will allow low-latency data transmission. 3G Leading U.S. Carrier 3G EVDO network currently averages 400 to 700 Kbps with peak rates up to 2 Mbps. 4G International Carrier is testing 4G communication at 100 Mbps while moving, and 1 Gbps while stationary. 3G vs. 4GPowerPoint Presentation: 4G 3G 2G 1G 3G vs. 4GPowerPoint Presentation: Enhanced Mobile Gaming 4G 3G 2G 1G Experience enhanced wireless capabilities that deliver mobile gaming interaction with latency less than five milliseconds. Play online multiplayer games while traveling at high speeds or sitting outside. 4G PossibilitiesPowerPoint Presentation: Personal Media Repository Create a personal media repository that can be accessed from home and on the road to view photos, watch movies and listen to your personal music collection. 4G 3G 2G 1G 4G PossibilitiesPowerPoint Presentation: Broadband Access in Remote Locations 4G networks will provide a wireless alternative for broadband access to residential and business customers. In addition, 4G will provide the first opportunity for broadband access in remote locations without an infrastructure to support cable or DSL access. 4G 3G 2G 1G 4G Possibilities: Support for interactive multimedia services like teleconferencing Wider bandwidths and higher bitrates. Global mobility and service portability. Scalability of mobile network. Entirely Packet-Switched networks. Higher band widths to provide multimedia services at lower cost(up to 100 Mbps). Less Complexity ,Faster Transmission Support lower generation Computer System Network Capacity (no. of User ) is more Benefits…PowerPoint Presentation: It is Costly than 3G Battery Usage is More Hard to implement Need Complicated Hardware Disadvantages…PowerPoint Presentation: As the history of mobile communications shows, attempts have been made to reduce a number of technologies to a singleglobal standard. Projected 4G systems offer this promise of a standard that can be embraced worldwide through its key concept of integration. Future wireless networks will need to support diverse IP multimedia applications to allow sharing of resources among multiple users.There must be a low complexity of implementation and an efficient means of negotiation between the end users and the wireless infrastructure. The fourth generation promises to fulfill the goal of PCC (personal computing and communication)—a vision that affordably provides high data rates everywhere over a wireless network. Conclusion…..PowerPoint Presentation: www.google.com www.en.wikipedia.org/wiki/4G www.4g.co.uk www.uscwc.com/4GReport www.four-g.net/ REFERENCESPowerPoint Presentation: Thanks…. ...... Query ..? You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.