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A novel likelihood particle filter is proposed to estimate the carrier frequency offset for uplink MIMO-OFDMA systems. In the proposed scheme, the likelihood is employed to approximate to the posterior rather than the prior, because the likelihood is more similar to the posterior than the prior. The importance density is an approximation to the posterior. Therefore, using a better approximation based...
The Rao-Blackwellized particle filter (RBPF) is proposed to estimate the carrier frequency offset (CFO) and channel state information (CSI) for uplink multiple-input multiple-output orthogonal frequency division multiple access (MIMO-OFDMA) systems. In the proposed scheme, the channel response and the frequency offset are described as auto- regressive (AR) model and generalized AR model, respectively...
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