Numerology scheduling for PAPR reduction in mixed numerologies
Citation
Memişoğlu, E., Duranay, A. E. ve Arslan, H. (2021). Numerology scheduling for PAPR reduction in mixed numerologies. IEEE Wireless Communications Letters, 10(6), 1197-1201. https://dx.doi.org/10.1109/LWC.2021.3061628Abstract
The flexible mixed-numerology structure with orthogonal frequency division multiplexing (OFDM) waveform is a key enabler to meet the requirements of various applications in fifth-generation (5G) and beyond wireless networks. However, the high peak-to-average power ratio (PAPR) is still one of the main drawbacks and conventional numerology selection can only provide PAPR reduction for the time-domain numerology multiplexing. In this letter, a novel numerology scheduling (NS) method is proposed to provide PAPR reduction for both time-domain and frequency-domain numerology multiplexing scenarios. For the proposed method, the signal with minimum PAPR is selected from a set of signals with different NS. The simulation results and complexity analysis demonstrate that the proposed method with a linearithmic complexity improves PAPR reduction compared to conventional numerology selection.
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IEEE Wireless Communications LettersVolume
10Issue
6Collections
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