Sensitivity to Doppler shift and carrier frequency errors in OFDM systems-the consequences and solutions

@inproceedings{citeulike:2859270, abstract = {Due to the intercarrier interference (ICI) in orthogonal frequency division multiplexing (OFDM) mobile radio communication systems, the bit error rate (BER) of the received signals are extremely sensitive to Doppler frequency shifts and carrier synchronization errors. This paper studies the mechanism of the ICI signals, and then proposes a new method to overcome such problems without any equalization procedures. The results show that by using the self ICI cancellation scheme proposed, the ICI can be reduced significantly. Therefore this OFDM system suffers much less from performance degradation caused by frequency errors than the normal OFDM systems}, author = {Zhao, Y. and Haggman, S. G. }, booktitle = {Vehicular Technology Conference, 1996. 'Mobile Technology for the Human Race'., IEEE 46th}, citeulike-article-id = {2859270}, doi = {http://dx.doi.org/10.1109/VETEC.1996.504021}, journal = {Vehicular Technology Conference, 1996. 'Mobile Technology for the Human Race'., IEEE 46th}, keywords = {doppler, ofdm}, pages = {1564--1568 vol.3}, posted-at = {2008-06-03 15:48:05}, priority = {2}, title = {Sensitivity to Doppler shift and carrier frequency errors in OFDM systems-the consequences and solutions}, url = {http://dx.doi.org/10.1109/VETEC.1996.504021}, volume = {3}, year = {1996} }

TY - CONF ID - citeulike:2859270 L3 - citeulike-article-id:2859270 TI - Sensitivity to Doppler shift and carrier frequency errors in OFDM systems-the consequences and solutions T2 - Vehicular Technology Conference, 1996. 'Mobile Technology for the Human Race'., IEEE 46th JF - Vehicular Technology Conference, 1996. 'Mobile Technology for the Human Race'., IEEE 46th VL - 3 SP - 1564 EP - 1568 vol.3 N2 - Due to the intercarrier interference (ICI) in orthogonal frequency division multiplexing (OFDM) mobile radio communication systems, the bit error rate (BER) of the received signals are extremely sensitive to Doppler frequency shifts and carrier synchronization errors. This paper studies the mechanism of the ICI signals, and then proposes a new method to overcome such problems without any equalization procedures. The results show that by using the self ICI cancellation scheme proposed, the ICI can be reduced significantly. Therefore this OFDM system suffers much less from performance degradation caused by frequency errors than the normal OFDM systems KW - doppler KW - ofdm AU - Zhao, Y AU - Haggman, SG PY - 1996/// UR - http://dx.doi.org/10.1109/VETEC.1996.504021 ER -