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A Low-Complexity PTS Scheme Using Adaptive Selection of Dominant Time-Domain Samples in OFDM Systems
- Issue Date
- 2016
- Publisher
- IEEE
- Keywords
- Adaptive sample rotation; dominant time-domain samples; orthogonal frequency division multiplexing (OFDM); partial transmit sequence (PTS); peak-to-average power ratio (PAPR)
- Citation
- 2016 URSI ASIA-PACIFIC RADIO SCIENCE CONFERENCE (URSI AP-RASC), pp 1897 - 1900
- Pages
- 4
- Journal Title
- 2016 URSI ASIA-PACIFIC RADIO SCIENCE CONFERENCE (URSI AP-RASC)
- Start Page
- 1897
- End Page
- 1900
- Abstract
- In orthogonal frequency division multiplexing (OFDM) systems, partial transmit sequence (PTS) scheme has been widely studied to mitigate the peak-to-average power ratio (PAPR) problem of OFDM signals. In this paper, an improved method to select dominant time-domain samples for PTS scheme is proposed to calculate the PAPR of OFDM signals efficiently. In the proposed selection method, it is performed adaptively at each time-domain sample to rotate time-domain subbolck samples. The PTS scheme using the proposed selection method can achieve almost the optimal PAPR reduction performance of PTS schemes with much lower computational complexity.
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Related Researcher
- Lim, Dae Woon
- College of Engineering (Department of Information and Communication Engineering)