NDLI: Partial transmit sequence using EVM optimization metric for BER reduction in OFDM systems

Content Provider	IEEE Xplore Digital Library
Author	Shun Zhang Jianhua Ge Jun Hou Fengkui Gong
Copyright Year	2013
Description	Author affiliation: State Key Lab. of Integrated Service Networks, Xidian Univ., Xian, China (Shun Zhang; Jianhua Ge; Jun Hou; Fengkui Gong)
Abstract	One of the main drawbacks of orthogonal frequency division multiplexing (OFDM) is its high peak-to-average power ratio (PAPR). Conventional partial transmit sequence (PTS) is an efficient PAPR reduction technique. However, reducing the PAPR cannot achieve an optimal bit error rate (BER) performance when the signals are passed through a power amplifier (PA) because of nonlinear distortion. In this paper, an error vector magnitude (EVM) reduction PTS scheme is proposed to improve the BER performance in the presence of PA. By properly choosing the phase factor of the PTS, this scheme can dramatically reduce the nonlinear distortion. In addition, a simplified two-layer PTS optimization model is introduced to reduce the complexity. Simulation results show that the proposed scheme can significantly improve the BER performance while maintaining low complexity.
Starting Page	113
Ending Page	117
File Size	164020
Page Count	5
File Format	PDF
ISBN	9781479914067
DOI	10.1109/ChinaCom.2013.6694575
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Measurement solid state power amplifier (SSPA) Partial transmit sequences Nonlinear distortion Bit error rate Peak to average power ratio Complexity theory peak-to-average power ratio (PAPR) two-layer PTS optimization model Orthogonal frequency division multiplexing (OFDM) error vector magnitude (EVM)
Content Type	Text
Resource Type	Article

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