Abstract:The traditional algorithm of the Per-Survivor Processing (PSP) model is analyzed, and the improved algorithm of nonbinary Soft-Output Viterbi Algorithm and PSP (SOVA-PSP) with soft output for feedforward are given. For the condition of the single way timing accurate, the SOVA-PSP algorithm on blind separation of Paired Carrier Multiple Access (PCMA) signals is presented. Relative to the traditional PSP algorithm, the state of the proposed algorithm is reduced from M2(L-1) to M(L-1) (M is the order of the modulator, L is the length of equivalent channel response), so as to greatly reduce the algorithm complexity. Simulation results demonstrate that, compared with the traditional algorithm of PSP, the improved algorithm can reduce the complexity with almost no performance loss.
杜健, 巩克现, 葛临东. 基于单路定时准确的低复杂度成对载波复用多址信号盲分离算法[J]. 电子与信息学报, 2014, 36(8): 1872-1877.
Du Jian, Gong Ke-Xian, Ge Lin-Dong. Low Complexity Algorithm on Blind Separation of Paired Carrier Multiple Access Signals Based on Single Way Timing Accuracy. , 2014, 36(8): 1872-1877.