BPSK-LIKE算法信号级仿真验证与分析

Signal-level Simulation and Analysis of BPSK-LIKE Algorithm

针对BOC信号的频谱分裂和副峰模糊特性,在分析BPSK-LIKE跟踪算法的理论基础上,通过对上、下边带分别进行BPSK解调验证该算法的正确性。通过比较BPSK盲解调得到的伪码极性和时延的一致性达到验证的目的。从而证明了在实际解调中,可以通过处理任意1个边带的信号或者分别处理2个边带信号来完成BOC信号的跟踪解调。在此基础上,通过信号级仿真实现了该算法对BOC信号的跟踪。

Binary offset carrier （BOC） signal is characterized by spectrum splitting and side-peak ambiguity. After analysis of the BPSK-LIKE algorithm ,the algorithm is validated through BPSK demodulation for both sideband signals. Delay and polarity of the side- band demodulation are completely the same;therefore, the simulation proves rationality of the single side-band demodulation of BOC sig- nal. In fact,demodulation of any side-band of BOC signal can take place of the all-band treatment. And then, BPSK-LIKE algorithm is simulated for tracking BOC signal.