Blind symbol detector for OFDM systems via sequential Monte Carlo filtering

We consider the application of the sequential Monte Carlo (SMC) methodology to the problem of blind symbol detection in a wireless orthogonal frequency-division multiplexing (OFDM) system over a frequency-selective fading channel. A novel blind SMC detector, built on the techniques of importance sampling and resampling, is developed for differentially encoded OFDM systems. The performance of different schemes of delayed-weight estimation methods is studied.