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Channel estimation technique with frequency offset correction for OFDM space-time diversity system

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2 Author(s)
Kocan, E. ; Faculty of Electr. Eng., Podgorica, Serbia ; Pejanovic-Djurisic, M.

In this paper pilot based channel estimation technique with frequency offset correction for OFDM space-time diversity system is proposed. It is shown that the considered system becomes useless for the frequency offset of 0.3% of the subcarrier spacing, if frequency offset correction is not performed. With the proposed estimation technique, the system tolerance to the frequency offset is significantly improved. Thus, frequency offset of 10% of the subcarrier spacing has the same effect as 2 dB signal-to-noise ratio (SNR) degradation and it can be tolerated.

Published in:

Telecommunications in Modern Satellite, Cable and Broadcasting Services, 2005. 7th International Conference on  (Volume:1 )

Date of Conference:

28-30 Sept. 2005