4G is the new upcoming technology which helps us to stay connected to the world through internet. It is the most intelligent technology. 4G technology mobile communications seminar provides us in details explanation about this technology.

Why 4g?

4G is the abbreviation of the fourth generation of wireless telecommunication technology. It offers the best data rate for transfer and supports video conferencing and video calling. It offers larger area coverage. It is said that 4G is the next generation of wireless telecommunication and it will replace 3G.

Mobile communications Video will give a over view on this seminar topic.

Comparison Between 3g And 4g Technology in Mobile communication

The network architecture used by 3G is wide area cell based and that used by 4G is Wi – Fi or WAN. Speed provided by 3G is 384Kbps – 2Mbps where as that provided by 4G is 20 – 100 Mbps in mobile mode. Access technologies used by 3G is W – CDMA whereas that by 4G is OFDM, MC – CDMA. 4G is said to be an IP based technology it uses IPv6 where as 3G uses a number of air link including IP 5.0.

Technologies Used By 4g

The basic technologies used by 4G  in mobile communications are OFDM, SDR, and MIMO. OFDM stand for orthogonal frequency division multiplexing. It provides more bandwidth to send the data packets. The other important components of 4G processing are 4G transceiver, base band processing, and transmitter section.

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Application Of 4g mobile communications

4g is being widely used in all types of fields which include virtual navigation and telegeo processing, tele medicine, and crisis management applications.

Advantages Of 4g

Supports multimedia communication through video conferencing and voice. Wider bandwidth size. Global mobility and roaming. High security for networks. Totally packet switched networks. Allows digital transfer of data.