Study of Different Candidates of Modulation Schemes for 5G Communication Systems

Digital modulation schemes determine how bits are mapped to the phase and amplitude of transmitted signals. This research comprehensively analyzes the necessity of studying various modulation schemes and a comparative investigation using appropriate simulations. The goal is to obtain the most effective modulation scheme for 5G technology. In the development phase of 5G technology, different candidates of modulation schemes like OFDM, F-OFDM, UFMC, FBMC, and others are being studied. For 5G communication, the modulation scheme that performs effectively across all dimensions will be evaluated. This research aims to compare several 4G and 5G modulation methods to determine the best modulation strategy for 5G technology. The comparative research for modulation schemes was carried out using modern technologies. Here, we transmit 5G data to evaluate the performance of several 4G and 5G modulation schemes to determine which Modulation Scheme is best for implementing 5G technology. Our research covered three modulation schemes: OFDM, F-OFDM, and UFMC. We employed PSD, PAPR, BER, and Constellation Diagrams to compare OFDM, which is currently used in 4G technology, with F-OFDM and UFMC, respectively. Following the comparative investigation, we discovered that F-OFDM significantly outperforms UFMC and OFDM, both modulation techniques. We also determined that F-OFDM promises enhanced efficiency in 5G technology by accurately proving all simulations for a potential application.