Interference mitigation in 4G system using smart antenna

Emerging trends of mobile communication and ever growing demand of mobile users with high speed data requirements and migrating towards 4G, Co-Channel interference and multipath in urban/dense urban environment will limit the capacity of the network. Smart antenna is now recognized by its higher user capacity in 4G wireless networks by efficiently reducing multipath and co-channel interference. Smart Antenna use adaptive beam forming algorithms in a dynamic environment continuously adjusting the weight of antenna arrays for creating a beam to track desired users automatically, and minimize interference from other users by placing nulls in their directions. This research work provides comparative analysis to results of different blind and non blind adaptive algorithms for one desired angle and three undesired angles. These algorithms have been simulated in a GUI based application´s interface develop in MATLAB. Results of simulation will help in beam forming and antenna design.