SEMINAR TOPIC ABSTRACT
4G is the an abbreviation for Fourth-Generation, is a term used to describe the next level of evolution in the field of Wireless communications. The technology called 4G has redefined the whole concept of today’s sophisticated communication. According to the Wireless World Research Forum (WWRF), 4G is a combination of wired and wireless networks in computer, consumer electronics and communication technology systems based on the internet technology, that can merge applications like the Wi-Fi and WiMAX capable of transmitting at a speed ranging from 100 Mbps (in cell-phone networks) to 1 Gbps (in local Wi-Fi networks).
This collection of technologies and protocols delivers high quality of service at both ends and high point security. Officially named by IEEE as Beyond 3G (B3G) it provides with the lowest cost wireless network.
According to the 4G working groups, the infrastructure and the terminals of 4G will have almost all the standards from 2G to 4G implemented. Although legacy systems are in place to adopt existing users, the infrastructure for 4G will be only packet-based (all-IP). Some proposals suggest having an open internet platform. Technologies considered to be early 4G include Flash-OFDM, the 802.16e mobile version of WiMax (also known as WiBro in South Korea), and HC-SDMA (see iBurst). 3GPP Long Term Evolution may reach the market 1–2 years after Mobile WiMax is released.An even higher speed version of WiMax is the IEEE 802.16m specification. LTE Advanced will be the later evolution of the 3GPP LTE standard.
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