Abstract
Logging cable communication systems is an important part of oil exploration and acquisition operations, and Orthogonal Frequency Division Multiplexing (OFDM) technology is a superior multi-carrier modulation technology widely used in mobile communications. The use of OFDM technology can significantly increase the transmission rate of logging data, but the system performance is degraded due to the high peak-to-average power ratio (PAPR) generated by the Fourier inversion transforms (IFFT) of the data by OFDM technology. Therefore, many techniques have emerged to overcome the high PAPR problem, such as limiting class techniques, compression extension techniques, partial transmission sequence (PTS), etc. In this paper, the partial transmission sequence algorithm (PTS) and the improved iterative PTS (IPTS) algorithm in OFDM system is simulated and verified from the subcarrier splitting method and the number of subsequence splitting blocks, and the results show that the IPTS algorithm significantly reduces the algorithm complexity compared with the PTS algorithm and can effectively suppress the high peak-to-average ratio problem.
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