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Modified PTS-based PAPR reduction for ACO-OFDM in visible light communications

Modified PTS-based PAPR reduction for ACO-OFDM in visible light communications
Modified PTS-based PAPR reduction for ACO-OFDM in visible light communications
In this letter, we propose a modified PTS-based PAPR reduction scheme for ACO-OFDM in VLC systems by exploiting the unoccupied subcarriers to transmit side information. A novel transmitter is presented to apply the PTS technique in ACO-OFDM VLC system without data throughput loss and an original power allocation method is also proposed to mitigate the power efficiency loss induced by the side information signals. Simulation results demonstrate that the proposed scheme achieves a significant PAPR reduction performance without data throughput loss as well as an improved BER performance when LED nonlinearity exists.
1674-733X
1-3
Tan, JianDong
41fd45dc-b4b7-49c1-a715-ed25d6125270
Wang, Qi
ddfc62a2-708c-43b1-8eed-d68d4e87d96a
Wang, ZhaoCheng
70339538-3970-4094-bcfc-1b5111dfd8b4
Tan, JianDong
41fd45dc-b4b7-49c1-a715-ed25d6125270
Wang, Qi
ddfc62a2-708c-43b1-8eed-d68d4e87d96a
Wang, ZhaoCheng
70339538-3970-4094-bcfc-1b5111dfd8b4

Tan, JianDong, Wang, Qi and Wang, ZhaoCheng (2015) Modified PTS-based PAPR reduction for ACO-OFDM in visible light communications. Science China Information Sciences, 58 (12), 1-3. (doi:10.1007/s11432-015-5414-7).

Record type: Article

Abstract

In this letter, we propose a modified PTS-based PAPR reduction scheme for ACO-OFDM in VLC systems by exploiting the unoccupied subcarriers to transmit side information. A novel transmitter is presented to apply the PTS technique in ACO-OFDM VLC system without data throughput loss and an original power allocation method is also proposed to mitigate the power efficiency loss induced by the side information signals. Simulation results demonstrate that the proposed scheme achieves a significant PAPR reduction performance without data throughput loss as well as an improved BER performance when LED nonlinearity exists.

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e-pub ahead of print date: 10 October 2015
Published date: 1 December 2015
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 400625
URI: http://eprints.soton.ac.uk/id/eprint/400625
ISSN: 1674-733X
PURE UUID: 345c2741-cf20-45a0-a8f7-59cd736492a2

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Date deposited: 20 Sep 2016 12:18
Last modified: 15 Mar 2024 02:23

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Contributors

Author: JianDong Tan
Author: Qi Wang
Author: ZhaoCheng Wang

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