Improved Peak Cancellation for PAPR Reduction in OFDM Systems
Lilin Dan, Yue Xiao, Wei NI, and Shaoqian Li
TL;DR
This paper introduces an improved peak cancellation method for reducing PAPR in OFDM systems, utilizing a serial peak cancellation mode to better control peak regrowth and balance complexity with performance.
Contribution
The paper proposes a novel serial peak cancellation scheme and two algorithms that improve PAPR reduction while managing computational complexity and signal distortion.
Findings
Better PAPR reduction compared to conventional schemes
Improved tradeoff between complexity and signal quality
Effective peak regrowth mitigation
Abstract
This letter presents an improved peak cancellation (PC) scheme for peak-to-average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems. The main idea is based on a serial peak cancellation (SPC) mode for alleviating the peak regrowth of the conventional schemes. Based on the SPC mode, two particular algorithms are developed with different tradeoff between PAPR and computational complexity. Simulation shows that the proposed scheme has a better tradeoff among PAPR, complexity and signal distortion than the conventional schemes.
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Taxonomy
TopicsPAPR reduction in OFDM · Advanced Wireless Communication Techniques · Wireless Communication Networks Research