In fifth generation wireless networks, the escalating teletraffic and energy consumption has
necessitated the development of green communication techniques in order to further …

Spatial modulation (SM) is an innovative and promising digital modulation technology that
strikes an appealing tradeoff between spectral efficiency and energy efficiency with a simple …

Index modulation has become a promising technique in the context of orthogonal frequency
division multiplexing (OFDM), whereby the specific activation of the frequency domain …

In this paper, we propose a composite multiple-mode orthogonal frequency division
multiplexing with index modulation (C-MM-OFDM-IM) scheme to increase the spectral …

Index modulation concept has attracted considerable research interest in the past few years.
As a realization of index modulation in the frequency domain, orthogonal frequency division …

Index modulation (IM) provides a novel way for the transmission of additional data bits via
the indices of the available transmit entities compared with classical communication …

In this paper, we propose a novel scheme termed layered orthogonal frequency division
multiplexing with index modulation (L-OFDM-IM) to increase the spectral efficiency (SE) of …

Quadrature spatial modulation (QSM) is recently proposed to increase the spectral efficiency
(SE) of SM, which extends the transmitted symbols into in-phase and quadrature domains. In …

In this paper, we investigate a secure communication system, where one transmitter sends
some confidential message to one receiver, under the smart attack from one unmanned …

Orthogonal frequency division multiplexing with subcarrier number modulation (OFDM-
SNM) has been recently proposed to improve the spectral efficiency (SE) of the traditional …