Title :
Covariance-Based Interference Blocking Algorithm for SIMO OFDM System
Author :
Ying, Rendong ; Liu, Rueywen ; Xu, Guozhi
Author_Institution :
Dept. of Electron. Eng., Shanghai Jiaotong Univ.
fDate :
3/1/2007 12:00:00 AM
Abstract :
A covariance-based algorithm is proposed to find the interference blocking filter for single-input multiple-output orthogonal frequency division multiplexing (SIMO OFDM) systems. The algorithm uses only the auto-covariance matrix of the received signal. It does not require precise carrier synchronization and time synchronization, so it is applicable to an environment with uncooperative high power interferences
Keywords :
OFDM modulation; covariance matrices; filtering theory; interference suppression; synchronisation; SIMO OFDM system; auto-covariance matrix; carrier synchronization; covariance-based algorithm; high power interference; interference blocking filter; orthogonal frequency division multiplexing; single-input multiple-output; time synchronization; Array signal processing; Covariance matrix; Finite impulse response filter; Frequency division multiplexing; Frequency synchronization; Interference channels; OFDM; Receiving antennas; Statistics; Transfer functions; Anti-interference; orthogonal frequency division multiplexing (OFDM); second-order statistics; synchronization;
Journal_Title :
Signal Processing Letters, IEEE
DOI :
10.1109/LSP.2006.884036
