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Revista Cubana de Ciencias Informáticas

On-line version ISSN 2227-1899


VERDECIA PENA, Randy. Performance of the detection method of signal with QPSK modulation in GFDM system for 5G.. Rev cuba cienc informat [online]. 2018, vol.12, n.3, pp.104-120. ISSN 2227-1899.

Current market demand requires that mobile communication networks need an increase in their transmission rate, as well as, the quality of services. Due to this fact, researchers in the area are working on the technology they will use in the physical layer of the next generation of the 5G cellular network. The Generalized Frequency Division Multiplexing (GFDM) system is one of the candidates for the physical layer of this technology. The objective of this research is to evaluate the performance of a selection of methods for the detection of the GFDM system in 5G. In this work, the GFDM system was described, as well as, the Zero Forcing, Matched Filter and Parallel Interference Cancellation methods. The performance curves resulting from applying the detection methods are presented for Gaussian and Fixed channels also they are compared with the Orthogonal Frequency Division Multiplexing system. As a result, for the two channels cases, the performance of the GFDM system for the Zero Forcing and Matched Filter detectors with Parallel Interference Cancellation have the same behavior as the Orthogonal Frequency Division Multiplexing system detected with Zero Forcing. It is concluded that the best detection method is the Matched Filter with Parallel Interference Cancellation because it has less computational complexity when it comes to recovering the signal sent by the transmitter.

Keywords : communication channel; mobile communications; GFDM system of transmission; detection methods.

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