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BAND AVERAGING CIRCUIT AND RELATED METHOD FOR CARRIER FREQUENCY OFFSET ESTIMATION IN A MULTI-BAND MULTI-CARRIER COMMUNICATION SYSTEM
BAND AVERAGING CIRCUIT AND RELATED METHOD FOR CARRIER FREQUENCY OFFSET ESTIMATION IN A MULTI-BAND MULTI-CARRIER COMMUNICATION SYSTEM
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机译:多频带多载波通信系统中的频带平均电路和载波频率偏移估计的相关方法
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摘要
A band averaging circuit and a related method for estimating a carrier frequency offset are applied in a multi-band multi-carrier communication system. A packet of the multi-band multi-carrier communication system is transmitted via a plurality of carriers. The band averaging circuit includes a frequency offset estimation unit for generating a plurality of carrier frequency offset ratios corresponding to the carriers according to a received packet; and a frequency offset adjustment circuit coupled to the frequency offset estimation unit for calculating a weighted average carrier frequency offset ratio according to carrier frequency offset ratios and comparison results of the carrier frequency offset ratios, and also for calculating a carrier frequency offset of each carrier according to the weighted average carrier frequency offset ratio and a center frequency of the carrier.
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