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Performance evaluation of channel estimation based on adaptive filters and adaptive guard interval for mobile WiMAX

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3 Author(s)
Lien Pham-Hong ; Univ. of Tech. Educ., Ho Chi Minh City, Vietnam ; Quang Nguyen-Duc ; Tra Luu-Thanh

In this paper, the channel estimation algorithms are studied for mobile WiMAX standard. The comb-pilot type is used for channel estimation algorithms. We constructed an channel estimation algorithm based on two adaptive filters: Kalman and extended Kalman. Then we combined them with adaptive GI (guard interval) optimization algorithm. A performance analysis showed that depending on complex or simple computation, we can choose EKF (Extended Kalman Filter) estimator or adaptive GI with Kalman estimator.

Published in:

Computer Science and Automation Engineering (CSAE), 2012 IEEE International Conference on  (Volume:1 )

Date of Conference:

25-27 May 2012