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Confidence Test for Blind Analysis of BPSK Signals

A binary-hypothesis-test-based algorithm is proposed to assess the confidence of blind analysis results of binary phase-shift keying signals. The reference signal is first constructed based on the given analysis result. The spectrum of multiplication between observed signals and reference signals is used as a distinguishing statistic, and the decision based on the false alarm rate is accordingly taken to verify whether a specific analysis is confident or not. The theoretical analysis and simulation results validate the effectiveness of the proposed algorithm.