TY - GEN
T1 - A blind frequency offset estimator for OFDM/OQAM systems
AU - Ciblat, Philippe
AU - Serpedin, Erchin
N1 - Publisher Copyright:
©2003 IEEE.
PY - 2004/1/1
Y1 - 2004/1/1
N2 - Like other OFDM-like systems, OFDM/OQAM systems are very sensitive to carrier frequency offset. A new blind carrier frequency estimator is introduced herein for OFDM-/OQAM systems by exploiting the non-circularity of the received signal. Since the received signal exhibits conjugate cyclic frequencies at twice the carrier frequency offset, a frequency estimator is proposed by maximizing a cost function expressed in terms of the sample conjugate cycîocor-relations. Computer simulations illustrate that the proposed estimator is very accurate whenever large observation windows are available, is robust to timing errors and frequency-selective fading effects.
AB - Like other OFDM-like systems, OFDM/OQAM systems are very sensitive to carrier frequency offset. A new blind carrier frequency estimator is introduced herein for OFDM-/OQAM systems by exploiting the non-circularity of the received signal. Since the received signal exhibits conjugate cyclic frequencies at twice the carrier frequency offset, a frequency estimator is proposed by maximizing a cost function expressed in terms of the sample conjugate cycîocor-relations. Computer simulations illustrate that the proposed estimator is very accurate whenever large observation windows are available, is robust to timing errors and frequency-selective fading effects.
U2 - 10.1109/SPAWC.2003.1319030
DO - 10.1109/SPAWC.2003.1319030
M3 - Conference contribution
AN - SCOPUS:84944679758
T3 - IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC
SP - 595
EP - 599
BT - 2003 4th IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2003
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 4th IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2003
Y2 - 15 June 2003 through 18 June 2003
ER -