Improved Peak Cancellation for PAPR Reduction in OFDM Systems

Details Improved Peak Cancellation for PAPR Reduction in OFDM Systems Improved Peak Cancellation for PAPR Reduction in OFDM Systems

2011-01-12

arxiv.org/abs/1101.2405v1

Computer Science

Information Theory

11 pages, 6 figures

Scientific paper

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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