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Pilot Aided LS Channel Estimation in MIMO-OFDM Systems

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4 Author(s)
Changchuan Yin ; Sch. of Telecommun. Eng., Beijing Univ. of Posts & Telecommun. ; Jingyu Li ; Xiaolin Hou ; Guangxin Yue

This paper presents the theoretical and simulation results for least square channel estimation in MlMO-OFDM systems based on two types of pilot structure, the block-type pilot and the comb-type pilot. We derive their estimation equations, average mean square error lower bounds and optimum pilot design rules. Simulation results verify the theoretical analysis and show that the comb-type pilot aided channel estimation has a better performance when the channel is time-variant

Published in:

Signal Processing, 2006 8th International Conference on  (Volume:3 )

Date of Conference:

16-20 Nov. 2006