2KIM W J, CHO K J, STAPLETON S P, et al. An efficient crest factor reduction technique for wideband applications[J]. Analog Integrated Circuits and Signal Processing, 2007,51(1):19-26.
3ZHU X, JIANG T,ZHU G. Novel schemes based on greedy algorithm for papr reduction in OFDM systems [J]. Consumer Electronics, IEEE Transactions on, 2008,54(3) : 1048-1052.