Multi-carrier faster-than-Nyquist (MFTN) signaling constitutes a promising spectrally efficient
non-orthogonal physical layer waveform. In this correspondence, we propose a pair of low …

Faster-than-Nyquist (FTN) signaling is the promising idea that theoretically provides a
significant increase in the spectral efficiency without energy loss. The gain is achieved …

This article describes joint use of two improving spectral efficiency algorithms for multi-
frequency signals: SEFDM (Spectrally Efficient Frequency Division Multiplexing) technology …

The signals used in telecommunication systems have a high peak-to-average power ratio.
To increase the efficiency of power amplifiers of such signals, an envelope tracking method …

Telemedicine is a promising direction in the development of medical technologies for the
interaction of patients with doctors at a distance. In this paper, we consider the use of …

When amplifying signals with a high peak-to-average power ratio, the envelope tracking
method is widely used to increase the efficiency of power amplifiers. When designing a …

The modification of Tone Reservation method has been used to reduce peak-to-average
power ratio (PAPR) of multicarrier signals with non-orthogonal frequency spacing (Spectrally …

The main challenges facing Fifth Generation (5G) wireless networks include achieving
higher spectral efficiency, enabling massive connectivity, and increasing throughput. One …

Amplification of signals with a high peak-to-average power ratio is accompanied by
decreasing of the radio transmitter's efficiency, which can be increased with the help of the …

The development of 5G and 6G networks is impossible without improving spectral efficiency.
Faster than Nyquist (FTN) signaling allows increasing symbol rate of transmission and may …