Improved SLM-PTS peak average power ratio suppression method
A peak-to-average ratio suppression and algorithm technology, applied in modulation carrier systems, digital transmission systems, electrical components, etc., can solve problems such as large computational complexity, and achieve the effects of improving overall performance, preventing signal distortion, and improving PAPR suppression capability.
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[0037] In order to make the technical solutions and advantages of the present invention more clearly, the technical solutions in the embodiments of the present invention will be described in the following description of the technical solutions in the embodiments of the present invention.
[0038] like figure 1 An improved SLM-PTS peak ratio suppression method includes the following steps:
[0039] S1: Improve the traditional SLM algorithm to obtain the LSLM-μLAW algorithm.
[0040] Attach figure 1For the LSLM-μLAW algorithm principle block diagram, the input signal sequence is first copied into a M group, and multiplied by m phase rotation factors, generates a M group optional signal. Further, the M groups of alternate signals are again performed, resulting in the M group time domain signal, and then divide the M group time domain signal average into two groups, and the two sets of signals are arbitrarily formula (1). And finally produced A group of nas a signal, and select a gro...
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