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Study on reduced-rand algorithms for space-time in GPS receiver

The principle problem about space-time adaptive anti-jam of GPS receiver system is the high computation complexity. In order to reduce computation complexity, a new algorithm about Correlation Subtraction Architecture of the Multistage Wiener Filter (CSA-MWF) is proposed, which is no need to solve the block matrices. In this paper, a new implementing algorithm for CSA-MWF which needs a lower computation complexity is proposed, while keeping almost the same performance as the original CSA. The simulation results show the proposed algorithm can effectively filter almost all kinds of interference, which prove the effectiveness of the proposed algorithm.