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Recently, a scheme called Orthogonal Frequency Division Multiplexing (OFDM) with Generalized Index Modulation (OFDM-GIM) is proposed, in which the number of active subcarriers in an OFDM sub-block is adjustable and a higher spectral efficiency is achieved compared with the conventional Orthogonal Frequency Division Multiplexing with Index Modulation(OFDM-IM) scheme. In this paper, based on the general...
Power amplifiers (PAs) are inherently nonlinear devices and are used in all transmitters of a communications equipment. To improve the performance of telecommunication channels, digital baseband predistortion is employed to compensate for PA nonlinearities. But most existing architectures base on the memoryless PA model. For wideband signal transmission, PA memory effects can no longer be ignored...
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