International Journal of Advanced Research in Computer Engineering & Technology
In this paper, the authors study about the secure communication among wireless shared medium using secrecy performance of a codebook based transmission beamforming with limited feedback. And avoid attacker from stealing the confidential data. In the feedback method, transmitter is using a predefined codebook known to transmitter and receiver knows it after producing index value as feedback during beamforming. The secrecy outage probability is analyzed to find whether it is stealed. The bound values are provided on the secrecy outage probability. The fading in multiple antenna (MIMO) wire-tap channel is investigated under short term power constraints. The secret Diversity Multiplexing Tradeoff (DMT) is found for no transmitter side Channel State Information (CSI) and for full CSI.