Pilot Structure For Doppler Scaling Estimation In Multicarrier Communications
Underwater Communications and Networking（2014）
摘要
This paper examines the application of a packet format that we introduce for Doppler scaling estimation in multicarrier signals. Both orthogonal frequency division multiplexing (OFDM) and filterbank multicarrier (FBMC) signals are examined in an at-sea experiment. We also investigate the use of non-uniform fast Fourier transform (NUFFT) for compensation of Doppler scaling effects. The proposed packet format takes advantage of a few null subcarriers that are introduced for detection of the Doppler scaling that have been introduced due to the mobility of the communicating vehicles.
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关键词
doppler effect,ofdm modulation,channel bank filters,estimation theory,fast fourier transforms,doppler scaling effect,doppler scaling estimation,fbmc signal,nufft,ofdm,at-sea experiment,filterbank multicarrier signal,multicarrier communication,nonuniform fast fourier transform,null subcarrier,orthogonal frequency division multiplexing,packet format,pilot structure,vehicle communication mobility,estimation,underwater acoustics,bit error rate
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