Message Passing-Based Impulsive Noise Mitigation and Channel Estimation for Underwater Acoustic OFDM Communications
IEEE Transactions on Vehicular Technology(2022)
摘要
The impulsive noise and the time-varying channel are two major detrimental factors which greatly constrain the performance of underwater acoustic communications (UACs). Utilizing the joint sparsity of the impulsive noise and the channel impulse response, the paper proposes the generalized approximate message passing (GAMP)-based sparse Bayesian learning (SBL) frameworks for joint impulsive noise m...
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关键词
Channel estimation,OFDM,Estimation,Message passing,Baseband,Underwater acoustics,Doppler effect
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