Twelve scientific challenges for 6G: Rethinking the foundations of communications theory
The research in the sixth generation of wireless networks needs to tackle new challenges in
order to meet the requirements of emerging applications in terms of high data rate, low …
order to meet the requirements of emerging applications in terms of high data rate, low …
An overview of OTFS for Internet of Things: Concepts, benefits, and challenges
The Internet of Things (IoT) is envisioned to connect everything, spanning from terrestrial to
nonterrestrial terminals, where reliable communication is expected to be allowed in both …
nonterrestrial terminals, where reliable communication is expected to be allowed in both …
6G: The personal tactile internet—and open questions for information theory
GP Fettweis, H Boche - IEEE BITS the Information Theory …, 2021 - ieeexplore.ieee.org
The initial vision of cellular communications was to deliver ubiquitous voice communications
to anyone anywhere. In a simplified view, 1G delivered voice services for business …
to anyone anywhere. In a simplified view, 1G delivered voice services for business …
A survey on deep learning based channel estimation in doubly dispersive environments
AK Gizzini, M Chafii - IEEE Access, 2022 - ieeexplore.ieee.org
Wireless communications systems are impacted by multi-path fading and Doppler shift in
dynamic environments, where the channel becomes doubly-dispersive and its estimation …
dynamic environments, where the channel becomes doubly-dispersive and its estimation …
CNN aided weighted interpolation for channel estimation in vehicular communications
IEEE 802.11 p standard defines wireless technology protocols that enable vehicular
transportation and manage traffic efficiency. A major challenge in the development of this …
transportation and manage traffic efficiency. A major challenge in the development of this …
Pilot symbol aided channel estimation for OCDM transmissions
Pilot-aided channel estimation allows the receiver to acquire channel state information (CSI)
for each multicarrier block by multiplexing data and pilot symbols in the same block, as long …
for each multicarrier block by multiplexing data and pilot symbols in the same block, as long …
Channel estimation for OCDM transmissions with carrier frequency offset
Orthogonal chirp division multiplexing (OCDM) has recently become an appealing scheme
for high-speed communications. However, due to the spreading feature of OCDM systems in …
for high-speed communications. However, due to the spreading feature of OCDM systems in …
Channel estimation for underwater acoustic communications based on orthogonal chirp division multiplexing
B Wang, X Guan - IEEE Signal Processing Letters, 2021 - ieeexplore.ieee.org
Orthogonal chirp division multiplexing (OCDM) is a recently proposed multiplexing scheme
and has drawn increasing attention in underwater communications. In an OCDM system, a …
and has drawn increasing attention in underwater communications. In an OCDM system, a …
Orthogonal time chirp space modulation based upon fractional Fourier transform
H Miao, M Peng - Signal Processing, 2023 - Elsevier
Linear chirps play a significant role in communications because of their ability to spread
spectrum and provide secure and robust communication. Orthogonal time frequency space …
spectrum and provide secure and robust communication. Orthogonal time frequency space …
Low complexity equalization for AFDM in doubly dispersive channels
A Bemani, N Ksairi, M Kountouris - ICASSP 2022-2022 IEEE …, 2022 - ieeexplore.ieee.org
Affine Frequency Division Multiplexing (AFDM), which is based on discrete affine Fourier
transform (DAFT), has recently been proposed for reliable communication in high-mobility …
transform (DAFT), has recently been proposed for reliable communication in high-mobility …