Abstract
The conventional partial transmit sequence (PTS) technique can provide good peak-to-average power ratio (PAPR) reduction performance for orthogonal frequency division multiplexing (OFDM) signals; however, determining the optimal phase factors requires an exhaustive search over all possible sets of phase factors, the search complexity of the original PTS method increases exponentially with the number of the sub-blocks and is extremely high for a larger number of sub-blocks. In this paper, we defined a new phase factor, and then proposed two algorithms to reduce search complexity and to improve the performance.
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Acknowledgment
This work was funded in part by Ministry of Science and Technology of Taiwan under Grant MOST 106-2632-E-468-003, MOST 106-2632-E-468-003 and MOST 106-2221-E-324-020.
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Wen, JH., Chang, FY., Huang, YF., Chen, HC., Shae, ZY. (2019). Performance of Sub-optimal Searching Algorithms on PTS Phase Selections for PAPR Reduction. In: You, I., Chen, HC., Sharma, V., Kotenko, I. (eds) Mobile Internet Security. MobiSec 2017. Communications in Computer and Information Science, vol 971. Springer, Singapore. https://doi.org/10.1007/978-981-13-3732-1_11
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DOI: https://doi.org/10.1007/978-981-13-3732-1_11
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