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In this paper, the influence of imperfect carrier phase synchronization on the performance of turbo-coded system is analyzed and a novel method called Logarithm-A-Posteriori-Probability-Ratios (LAPPRs)-statistic-decision-aided for carrier phase synchronization and decoding is proposed. The bits satisfying the criterion presented in this paper are chosen iteratively for Data-Aided estimation and phase...
Modern communication systems are required to provide services based on high data rates burst-mode packet-data transmission, capable of operating at very low SNR conditions. Turbo codes enable the operation at low SNR, close to the Shannon limit. However, carrier frequency and phase synchronization, needed for optimal coherent performance of the receiver, still remains a problem in low SNR and short...
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