Novel Algorithm of Interference Time Delay Estimation in PCMA System
Hui Ping Zheng · Jisuanji fangzhen · 2008
Interference time delay estimation in PCMA(Paired carrier multiple access) System was investigated.A new algorithm based on Particle filtering was proposed for Interference time delay estimation.At first,it modeled the PCMA signal as a dynamic system in state-space form,then within a Bayesian estimation framework,interference time delay was estimated via the Sequential Monte Carlo(SMC) methodology.Moreover,in order to show the efficiency of the algorithm,the Cramer-Rao Lower Bound(CRLB) of interference time delay estimation was deduced by using the Fisher information matrix.Simulation results show that this new algorithm is available for the estimation interference time delay estimation.