Time-frequency warped waveforms
Citation
İbrahim, M., Demir, A. F. ve Arslan, H. (2019). Time-frequency warped waveforms. IEEE Communication Letters, 23(1), 36-39. https://dx.doi.org/10.1109/LCOMM.2018.2882498Abstract
The forthcoming communication systems are advancing toward improved flexibility in various aspects. Improved flexibility is crucial to cater diverse service requirements. This letter proposes a novel waveform design scheme that exploits axis warping to enable peaceful coexistence of different pulse shapes. A warping transform manipulates the lattice samples non-uniformly and provides flexibility to handle the time-frequency occupancy of a signal. The proposed approach enables the utilization of flexible pulse shapes in a quasi-orthogonal manner and increases the spectral efficiency. In addition, the rectangular resource block structure, which assists an efficient resource allocation, is preserved with the warped waveform design as well.
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IEEE Communications LettersVolume
23Issue
1Collections
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