Phase locked loop for an OFDM system

摘要: Techniques are provided for tracking residual frequency error and phase noise in an OFDM system (100). At a receiver (154), each received symbol is transformed with FFT (220) to obtain modulation symbols, which serialized. A locked loop (PLL) (260) operates on the serialized symbols (230) provides independent correction value symbol. Each corrected its own phase-corrected The detected estimate that (250) filtered (e.g., second-order filter) estimate, accumulated another