New PTS Schemes for PAPR Reduction of OFDM Signals Without Side Information
- Authors
- Joo, Hyun-Seung; Kim, Kee-Hoon; No, Jong-Seon; Shin, Dong-Joon
- Issue Date
- Sep-2017
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Orthogonal frequency division multiplexing (OFDM); partial transmit sequence (PTS); peak-to-average power ratio (PAPR); phase offset; side information (SI)
- Citation
- IEEE TRANSACTIONS ON BROADCASTING, v.63, no.3, pp.562 - 570
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON BROADCASTING
- Volume
- 63
- Number
- 3
- Start Page
- 562
- End Page
- 570
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/18812
- DOI
- 10.1109/TBC.2017.2711141
- ISSN
- 0018-9316
- Abstract
- In this paper, two partial transmit sequence (PTS) schemes without side information (SI) are proposed for reducing peak-to-average power ratio of orthogonal frequency division multiplexing signals. The proposed schemes do not transmit SI identifying a rotating vector because identifiable phase offset is applied to the elements of each rotating vector. To extract SI from the received signal and recover the data sequence, the maximum likelihood (ML) detector is used. This ML detector exploits the Euclidean distance between the given signal constellation and the signal constellation rotated by the phase offset. By doing pairwise error probability (PEP) analysis, it is investigated how to choose good phase offsets for embedding SI. Also, the performance degradation caused by SI detection failure is analyzed based on PEP. Finally, through numerical analysis, it is shown that the BER performance of the proposed PTS schemes is not degraded compared with the conventional PTS with perfect SI.
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