Narrowband interference suppression for OFDM systems
Industrial Research Limited, Lower Hutt (NZ)
Industrial Research Limited, Auckland(NZ)
Wednesday, December 1, 2010
US Patent No.: US7856063B2
Abstract
A method for suppressing narrowband interference in OFDM receivers is provided including the steps of acquiring a sample of received data, estimating parameters of each of a number of narrowband interferers from the acquired sample of data, forming an excision filter using the estimated parameters and inserting the excision filter into an OFDM receiver.