hai,
in 4th gen ofdm may be well utilized.in 4G telecommunications will integrate communication with IT.
In future 4G mobile communications, two economically contradictive demands will arise; ubiquity and diversity.
In the future wireless service provision will be characterized by global mobile access (terminal and personal mobility), high quality of services (full coverage, intelligible, no drop and no/lower call blocking and latency), and easy and simple access to multimedia services for voice, data, message, video, world-wide web, GPS, etc. via one user terminal.