Performance analysis of an efficient linear constellation precoded generalized frequency division multiplexing with index modulation in 5G heterogeneous wireless network

Summary Nowadays, wireless accesses are demanded with new applications, but they generate many technical issues. Moreover, the issues related to the beyond fifth generation (5G) wireless networks can be tackled using an orthogonal frequency division multiplexing (OFDM) schemes. Due to the huge growth of wireless users, this scheme exists with some technical challenges. An enhanced radio access technology is required to tackle the technical constraints of upcoming 5G wireless network applications. Nowadays, the generalized frequency division multiplexing (GFDM) scheme is exploited by wireless networks because of their benefits like spectral efficiency, low latency, and out‐of‐band (OOB) emission. In this paper, a linear constellation precoded GFDM with interleaved quadrature index modulation (LCP‐GFDM‐IQIM) scheme is proposed to harvest extra diversity gain by spreading the information symbols in‐phase/quadrature component. Also, in‐phase/quadrature (I and Q) dimensions are explored in index modulation (IM). Both theoretical and simulation analysis shows that the proposed LCP‐GFDM‐IQIM scheme achieves better spectral efficiency and energy efficiency as compared to the existing methods. The issues beyond the fifth generation (5G) wireless networks are tackled with the help of sufficient orthogonal frequency division multiplexing (OFDM) schemes. Nowadays, the generalized frequency division multiplexing (GFDM) scheme is exploited by wireless networks because of their benefits like spectral efficiency, low latency, and out‐of‐band (OOB) emission. Both theoretical and simulation analysis shows that the proposed LCP‐GFDM‐IQIM scheme achieves better spectral efficiency, energy efficiency, and so on against the existing methods.