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Many significant sources of error take place in the smart antenna system like mismatching between the supposed steering vectors and the real vectors, insufficient calibration of array antenna, etc. These errors correspond to adding spatially white noise to each element of the array antenna, therefore the performance of the smart antenna falls and the desired output signal is destroyed. This paper...
Smart antenna systems are of great importance in wireless communication and radar applications. They effectively enhance the system capacity and reduce the co-channel interference. Smart antenna is an array antenna that uses adaptive beamforming algorithms to steer the main beam toward the desired signal direction and reject the interfering signals of the same frequency from other directions without...
In the cooperative spectrum sensing, it is not that the more cooperative sensing nodes are, the better the sensing performance is. How to select suitable sensing nodes to participate in fusion is a key problem in the cooperative spectrum sensing. This paper proposed a new cooperative spectrum sensing algorithm, in which the sensing nodes to participate in fusion is selected according to the reliability...
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