In this paper, we provide a comprehensive review of diverse index modulation (IM)
architectures that operate in the space, time, and frequency domains, as well as their related …

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 …

What is index modulation (IM)? This is an interesting question that we have started to hear
more and more frequently over the past few years. The aim of this paper is to answer this …

Massive spatial-modulation multiple-input multiple-output (SM-MIMO) with high spectrum
efficiency and energy efficiency has recently been proposed for future green …

This paper studies the recent novel multiple-input multiple-output transmission technique
called quadrature spatial modulation (QSM), in underlay cognitive radio (CR) systems. In …

Quadrature spatial modulation (QSM) in cognitive radio (CR) is a new spectral and energy
efficient multiple-input multiple-output (MIMO) transmission paradigm. In QSM, the spatial …

We study the application of spatial modulation (SM) in overlay cognitive radio (CR)
networks, in which the primary and secondary networks work concurrently over the same …

This paper investigates the performance of spatial modulation for multiple-input multiple-
output underlay spectrum-sharing systems in the presence of three practical deleterious …

In this article, we propose a limited feedback-based space-shift keying (SSK) modulation
scheme where transmitter (Tx) obtains partial channel state information (CSI) via a feedback …

This letter investigates spatial modulation (SM) in multiple-input multiple-output (MIMO)
spectrum-sharing systems in an effort to improve the overall spectral efficiency. Specifically …