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The channel estimation techniques for MIMO-OFDM system based on joint time-frequency analysis are investigated. The proposed channel estimation scheme is intended as an effective reference to performance evaluation measurement of others channel estimation methods. According to the defined uplink transmission and symbol structure in IEEE Std. 802-16d/e, linear interpolation LSE is given to compare...
In this paper, the channel estimation methods to resolve the error floor for SUI-5 channel are investigated. Since the pilot allocation is solid with the FUSC model, only we can do is to incorporate two OFDM symbols to estimation the channel response, and it can improve the channel estimation performance, but it canpsilat cancel the error floor exhaustively. So we combine the preamble and pilot carrier...
This paper is to resolve the error floor for SUI-5 channel. Since the pilot allocation is solid, we canpsilat modify it exhaustively. So we combine the preamble and pilot carrier to resolve the problem. Here we introduce steepest descent algorithm combine preamble and pilot well for consult. Simulation result shows that novel algorithm can decrease the error floor for SUI_5 channel drastically and...
The paper is to resolve the error floor for SUI-5 channel. Since the pilot allocation is solid, we canpsilat modify it exhaustively. So we combine the preamble and pilot carrier to resolve the problem. Here we introduce preamble time-domain LS (Least-squares Estimation) algorithm for consult. Simulation result shows that if we select channel estimation algorithm properly, combing preamble and pilot...
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