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In this paper, the problem of single-channel blind source separation (SCBSS) of a mixture of two co-frequency phase-shift keying (PSK) signals with unknown carrier frequency offsets (CFOs) is investigated. Two SCBSS algorithms which are robust to CFOs are proposed to perform separation of the mixture signals. In the first algorithm, the phase changes of the received signals caused by CFOs are tracked...
In this paper, the problem of blind separation of a mixture of two co-frequency MPSK signals with the same power level in a single channel is investigated. The performance of the existing per-survivor processing (PSP) algorithm which uses decision-feedback sequence estimation (DFSE) to do the detection of the two sources is firstly analyzed. It is found that the BER of the PSP algorithm with DFSE...
In this paper, we investigate the detection of single-carrier transmission over frequency selective fading channels with symmetric alpha-stable (SαS) noise. To mitigate the effects of the inter-symbol interference (ISI) cased by multi-path propagation and the destructive impulsive noise, a non-linear myriad filter is firstly adopted and an asymptotic statistic method is then introduced for to analyze...
The existing algorithm for reconstruction of the feedback polynomial in a linear scrambler relies on the assumption that the input sequence is produced by a biased memoryless source and the source bias is known and used for reconstruction. In this paper, the problem of reconstruction of the feedback polynomial in a linear scrambler without knowledge of the source bias is studied. An algorithm is proposed...
In this paper, a similarity transformation is presented to reduce the generalized (3+1)-dimensional (D) nonlinear Schrödinger equation (NLSE) with distributed coefficients to the related constant-coefficients (3+1)D NLSE. Some Jacobi elliptic function solutions are given by a generalized subequation method for the constant-coefficients equation. Thus some general solutions for the generalized (3+1)D...
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