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 …

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 …

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

The Internet of Things (IoT), a key enabler of Agriculture 4.0, has numerous devices and
sensors connected to the Internet. Most devices and sensors being powered by batteries …

Single-carrier frequency-division multiple access (SC-FDMA) based index modulation (IM),
referred here as SC-IM, allows users to implicitly transmit a part of their data bits by switching …

In this article, three mirror activation pattern (MAP) selection techniques are used to improve
the performance of energy‐efficient hexagonal quadrature amplitude modulation (HQAM) …

Index modulation-based orthogonal division multiple access (IM-OFDMA) has recently been
proposed as a potential technique for future wireless communication systems due to its …

This letter presents the power of deep learning for signal detection in orthogonal frequency
division multiplexing with index modulation (OFDM-IM) systems. In this letter, we propose …

In this letter, we mathematically analyze the bit-error rate (BER) performance of a
generalized uplink index-modulated non-orthogonal multiple access (IM-NOMA) system …

In the next generations of communication systems, resources' scarcity devolves to a more
critical point as a consequence of the expected massive number of users to be served …