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4G - VikaOlssen - 08-16-2017 4G Agenda Introduction Evolution of Data Standards WiMAX The Road Ahead Closing Thoughts 4G Definition Evolution of Data Standards The radio telephone system preceded modern cellular mobile telephony technology (1G). The radio telephone system contained one central antenna tower per region. The central antenna required radio phones to have a powerful transmitter, capable of transmitting up to 50 miles. The number of radio telephones per region was limited by the number of available channels. Unlike closed radio systems, radio telephones were connected to the public telephone network and were typically mounted in cars, trucks, and briefcases. Evolution of Data Standards 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. Evolution of Data Standards 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 Evolution of Data Standards 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 3G vs. 4G 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 vs. 4G 4G Possibilities Enhanced Mobile Gaming 4G Possibilities 4G Possibilities Virtual Presence Use hologram-generating virtual reality programs that provide an artificial presence just about anywhere. For example, decide if you want to personally respond when someone rings your front door while you are away from home. 4G Possibilities 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. WiMAX World Interoperability for Microwave Access There are two main applications of WiMAX: Fixed WiMAX (IEE 802.16-2004) - Fixed WiMAX applications are point-to-multipoint enabling the delivery of last mile wireless broadband access as an alternative to cable and DSL for homes and businesses. Mobile WiMAX (IEE 802.16e-2005) - Mobile WiMAX offers the full mobility of cellular networks at true broadband speeds. 4G - ganidgold - 08-16-2017 Hi, visit this thread for 4g communications: http://seminarsprojects.net/Thread-4G-Mobile-Communication?pid=4386#pid4386 http://seminarsprojects.net/Thread-4G-mobile-networking-Full-Seminar-Report-Download 4G - dipin - 08-16-2017 [/b] MUKESH KUMAR I NEED A SEMINAR REPORT ON 4G WIRELESS AND BLUE RAY DISK |