Interference represents one of the most common barriers for the wireless communications
society to bring the fully connected world to life, where everybody and everything is …

Extremely diverse service requirements are one of the critical challenges for the upcoming
fifth-generation (5G) radio access technologies. As a solution, mixed numerologies …

The next generation communication systems are evolving towards an increased flexibility in
different aspects. Enhanced flexibility is the key in order to address diverse requirements …

When the channel state information is available, frequency-domain precoding is studied for
rectangularly-pulsed orthogonal frequency-division multiplexing (OFDM) using cyclic prefix …

OFDM based waveforms are considered as the main part of the latest cellular
communications standard (namely 5G). Many inherited problems from the OFDM-Based LTE …

Contemporary receiver windowed-orthogonal frequency division multiplexing (RW-OFDM)
algorithms have limited adjacent channel interference (ACI) rejection capability under high …

We discuss the spectral efficiency of orthogonal frequency-division multiplexing (OFDM)
signals widely adopted in practical systems from a viewpoint of their power spectral density …

Using minimum, even insufficient guards are proposed to achieve the spectral efficiency and
latency requirements of cellular communication systems beyond 5G. This leads to …

Newer cellular communication generations are planned to allow asynchronous transmission
of multiple numerologies (waveforms with different parameters) in adjacent bands, creating …

The spectrally compact pilot waveform that exhibits small power spectral sidelobes and thus
high spectral compactness while achieving accurate channel estimation is desirable for …