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Channel estimation is an important issue in orthogonal frequency division multiplexing (OFDM) systems to improve the performance of system. For OFDM based IEEE 802.11ad wireless local area network (WLAN), two types of symbols, training symbols and pilot symbols, can be used for channel estimation in the OFDM receiver. We analyze the algorithms of channel estimation methods based on symbol types, training...
In this paper, a new carrier frequency offset (CFO) estimation algorithm is proposed for MIMO-OFDM based wireless local area network (WLAN) systems, IEEE 802.11ad. The existing hardware-efficient auto-correlation scheme which subsamples the short train symbol can be used for low-complexity. However this method has a limitation of performance degradation. Therefore, we combine the subsampled auto-correlation...
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