Index and Composition Modulation

In this letter, we propose a novel modulation concept which call index and composition (ICM). the proposed concept, use indices of active/deactive codeword elements compositions an integer to encode information. regard, first determine activated elements, then exploit energy levels these identify compositions. We depict practical scheme for using ICM with orthogonal frequency division multiplexing (OFDM) show that OFDM (OFDM-ICM) can enhance spectral efficiency (SE) error performance OFDM-IM. design efficient low-complexity detector technique. Moreover, analyze SE OFDM-ICM technique it is capable outperforming existing benchmarks in terms performance.