The future mobile networks will face challenges in support of heterogeneous services over a
unified physical layer, calling for a waveform with good frequency localization. Filtered …

Orthogonal time frequency space (OTFS) modulation has been considered as one of the
most promising candidates to support reliable data transmission especially in high-mobility …

Orthogonal time frequency space (OTFS) modulation is an emerging multicarrier technique
designed in the delay-Doppler domain. It converts a time-varying channel into a 2D invariant …

Conventional orthogonal frequency division multiplexing (OFDM) waveform design in
integrated sensing and communications (ISAC) systems usually selects the channels with …

Orthogonal time frequency space (OTFS) is a multi-carrier technique where a time-varying
channel can be converted into a time-invariant channel in the delay-Doppler (DD) domain …

Sixth-generation (6G) wireless networks are envisioned to provide global coverage for the
intelligent digital society of the near future, ranging from traditional terrestrial to non-terrestri …

Emerging applications involving low-cost wireless sensor networks motivate well
optimization of orthogonal frequency-division multiplexing (OFDM) in the power-limited …

Intelligent reflecting surface (IRS), composed of a large number of hardware-efficient
passive elements, is deemed as a potential technique for future wireless communications …

For joint maximum-likelihood (ML) frequency tracking and channel estimation using
orthogonal frequency-division multiplexing (OFDM) training blocks in OFDM …

In this paper the estimation range (ERG) of any null subcarriers (NSC) placement is further
investigated and sufficient and necessary conditions of an NSC allocation that achieves a …