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In this paper, we introduce a joint approach for peak-to-average power ratio (PAPR) reduction and predistortion for orthogonal frequency division multiplexing systems subjected to strong memoryless nonlinearity. The proposed approach… Click to show full abstract
In this paper, we introduce a joint approach for peak-to-average power ratio (PAPR) reduction and predistortion for orthogonal frequency division multiplexing systems subjected to strong memoryless nonlinearity. The proposed approach is new and promising concept that consists in a really synergistic combination of the two operations in order to improve power amplifier efficiency and linearity. Its key idea is to synthesize a correction signal in a Ping-Pong manner between PAPR reduction and predistortion. The proposed Ping-Pong joint optimization approach provides significant improvement, compared to conventional schemes, in system energy efficiency while fulfilling out-of-band requirements and preserving low in-band distortion.
Journal Title: IEEE Transactions on Broadcasting
Year Published: 2019
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