Spectrally efficient frequency division multiplexing (SEFDM) is a multi-carrier signal
waveform, which achieves higher spectral efficiency, relative to conventional orthogonal …

By incorporating the merits of satellite, aerial, and terrestrial communications, the space-air-
ground integrated network (SAGIN) emerges in recent years as a promising solution to …

In light of the finite nature of the wireless spectrum and the increasing demand for spectrum
use arising from recent technological breakthroughs in wireless communication, the problem …

Narrowband Internet of Things (NB-IoT) is a low power wide area network (LPWAN)
technique introduced in 3GPP release 13. The narrowband transmission scheme enables …

Non-orthogonal waveforms are groups of signals, which improve spectral efficiency but at
the cost of interference. A recognized waveform, termed spectrally efficient frequency …

In this letter, we propose a novel index-modulated non-orthogonal spectrally efficient
frequency-division multiplexing (SEFDM) scheme, in order to attain a higher bandwidth …

Due to the spectrum scarcity in the space information networks, non-orthogonal multiple
access (NOMA) is envisioned as a promising technique in satellite-terrestrial …

Spectrally efficient frequency division multiplexing (SEFDM) relying on index modulation
(IM) has emerged as a promising multicarrier technique. In this paper, we develop a joint …

This paper presents the design and the experimental demonstration of transmission of
spectrally efficient frequency division multiplexing (SEFDM) signals, using a single 5-GHz …

This paper proposes and explores a novel channel estimation scheme for non-orthogonal
multi-carrier signals and systems; spectrally efficient frequency division multiplexing …