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Integer frequency offset estimation based on the maximum likelihood principal in OFDM systems
Integer frequency offset estimation based on the maximum likelihood principal in OFDM systems
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机译:基于最大似然原理的OFDM系统整数频率偏移估计
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摘要
A receiver in an OFDM system may include a maximum likelihood (ML) estimator that estimates the integer part of the carrier frequency offset. The estimator may operate with or without pilot subcarriers. The estimator may calculate the integer frequency offset estimate based on the cyclic shift and phase shift of subcarriers between OFDM symbols.
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