OFDM synchronisation based on the phase rotation of sub-carriers

@inproceedings{citeulike:2421284, abstract = {This paper proposes a method to simultaneously track symbol timing, carrier phase and frequency offset errors for an OFDM (orthogonal frequency division multiplex) communications system. Each of these three offsets rotates the OFDM symbol constellations in a conspicuous way. Their characters are illustrated and it is explained how can the receiver DFT (discrete Fourier transform) outputs be used for estimation. The method presented is based on the rotational impact of offsets-on the individual sub-carriers. The technique employs the joint-ESPRIT (Estimation of Signal Parameters via Rotational Invariance Techniques) algorithm and can be used for data-aided and blind estimation, as well as for the combination of these two. Assuming a prior initial acquisition, it uses the information contained in the phase rotation between the correct and the received sub-symbols after the DFT}, author = {Matic, D. and Petrochilos, N. and Trindade, A. and Schoute, F. and Comono, P. and Prasad, R. }, booktitle = {Vehicular Technology Conference Proceedings, 2000. VTC 2000-Spring Tokyo. 2000 IEEE 51st}, citeulike-article-id = {2421284}, doi = {10.1109/VETECS.2000.851327}, journal = {Vehicular Technology Conference Proceedings, 2000. VTC 2000-Spring Tokyo. 2000 IEEE 51st}, keywords = {ofdm, phase, synchronization, time}, pages = {1260--1264 vol.2}, posted-at = {2008-02-24 12:46:18}, priority = {2}, title = {OFDM synchronisation based on the phase rotation of sub-carriers}, url = {http://dx.doi.org/10.1109/VETECS.2000.851327}, volume = {2}, year = {2000} }

TY - CONF ID - citeulike:2421284 L3 - citeulike-article-id:2421284 TI - OFDM synchronisation based on the phase rotation of sub-carriers T2 - Vehicular Technology Conference Proceedings, 2000. VTC 2000-Spring Tokyo. 2000 IEEE 51st JF - Vehicular Technology Conference Proceedings, 2000. VTC 2000-Spring Tokyo. 2000 IEEE 51st VL - 2 SP - 1260 EP - 1264 vol.2 N2 - This paper proposes a method to simultaneously track symbol timing, carrier phase and frequency offset errors for an OFDM (orthogonal frequency division multiplex) communications system. Each of these three offsets rotates the OFDM symbol constellations in a conspicuous way. Their characters are illustrated and it is explained how can the receiver DFT (discrete Fourier transform) outputs be used for estimation. The method presented is based on the rotational impact of offsets-on the individual sub-carriers. The technique employs the joint-ESPRIT (Estimation of Signal Parameters via Rotational Invariance Techniques) algorithm and can be used for data-aided and blind estimation, as well as for the combination of these two. Assuming a prior initial acquisition, it uses the information contained in the phase rotation between the correct and the received sub-symbols after the DFT KW - ofdm KW - phase KW - synchronization KW - time AU - Matic, D AU - Petrochilos, N AU - Trindade, A AU - Schoute, F AU - Comono, P AU - Prasad, R PY - 2000/// UR - http://dx.doi.org/10.1109/VETECS.2000.851327 ER -