2023
DOI: 10.1002/tee.23894
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Adaptive Carrier Frequency Offset Estimation in Interference Environments for OFDMA Uplink Systems

Nan‐Hung Cheng,
Chien‐Chung Chen,
Yi‐Fan Wang
et al.

Abstract: In orthogonal frequency division multiple access (OFDMA) systems, carrier frequency offsets (CFOs) influence the different users. In this paper, we proposed a CFO estimation algorithm with strong interference resistant capability for OFDMA systems. The first part of the proposed algorithm processes the received signals so as to deal with the CFO estimation problem. And the second part of the proposed algorithm is to use the proposed adaptive process to obtain the updated CFO estimation and track the parameters… Show more

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