Fourth Genxt

4G:
       3G is for high speed networks for variety of data intensive applications.3G provides more advanced services like wide-area wireless voice Telephone, video calls and broadband wireless data and also it provides advanced multimedia access and global roaming. 3G is giving way to new generation wireless networks i.e. 4G

REASONS TO HAVE 4G –
1. Support interactive multimedia services: teleconferencing, wireless internet, etc.
2. Wider bandwidths, higher rates.
3. Global mobility and service portability.
4. Low cost.
5. Scalability of mobile networks.
6. Personalization.
7. Application adaptability and highly dynamic.
                                     
                        4G is being developed to accommodate the QoS and rate requirements set by forthcoming applications like wireless broadband access, Multimedia Messaging Service (MMS), video chat,mobile TV, HDTV content, Digital Video Broadcasting (DVB), minimal services like voice and data,and other services that utilize bandwidth.


                           4G mobile communication systems are projected to solve still remaining problems of 3G systems and to provide a wide variety of new services.