On the road to 6G: Visions, requirements, key technologies, and testbeds
Fifth generation (5G) mobile communication systems have entered the stage of commercial
deployment, providing users with new services, improved user experiences as well as a host …
deployment, providing users with new services, improved user experiences as well as a host …
The evolution of faster-than-Nyquist signaling
The fifty-year progress of faster-than-Nyquist (FTN) signaling is surveyed. FTN signaling
exploits non-orthogonal dense symbol packing in the time domain for the sake of increasing …
exploits non-orthogonal dense symbol packing in the time domain for the sake of increasing …
Greener physical layer technologies for 6G mobile communications
S Han, T Xie, I Chih-Lin - IEEE Communications Magazine, 2021 - ieeexplore.ieee.org
Energy efficiency (EE) has been regarded as an essential design metric in 5G mobile
communications. However, the massive antenna numbers, larger bandwidths, and higher …
communications. However, the massive antenna numbers, larger bandwidths, and higher …
Optimizing the shape of Faster-Than-Nyquist (FTN) signals with the constraint on energy concentration in the occupied frequency bandwidth
SB Makarov, M Liu, AS Ovsyannikova… - IEEE …, 2020 - ieeexplore.ieee.org
The achievement of the boundary values of spectral efficiency is associated with the
development of methods for generating and receiving signals with a compact spectrum. The …
development of methods for generating and receiving signals with a compact spectrum. The …
Deep learning for over-the-air non-orthogonal signal classification
T Xu, I Darwazeh - 2020 IEEE 91st Vehicular Technology …, 2020 - ieeexplore.ieee.org
Non-cooperative communications, where a receiver can automatically distinguish and
classify transmitted signal formats prior to detection, are desirable for low-cost and low …
classify transmitted signal formats prior to detection, are desirable for low-cost and low …
Spectrally efficient non-orthogonal discrete multi-tone transmission for underwater wireless optical communication with low-complexity high performance ICI mitigation
In this article, a novel spectrally efficient non-orthogonal discrete multi-tone (NODMT) system
is proposed for the bandwidth-starved underwater wireless optical communication (UWOC) …
is proposed for the bandwidth-starved underwater wireless optical communication (UWOC) …
Outperforming conventional OFDM and SEFDM signals by means of using optimal spectral pulses and the M-BCJR algorithm
In the paper, we compared spectral efficiency between OFDM signals, reputed SEFDM
signals, and recently proposed RRC-SEFDM and PR-SEFDM signals. The last three are …
signals, and recently proposed RRC-SEFDM and PR-SEFDM signals. The last three are …
Subcarrier index modulation for spectral efficient frequency division multiplexing in multi-input multi-output channels
This work presents spectral efficient frequency division multiplexing with subcarrier index
modulation (SEFDM-SIM) for multi-input multi-output (MIMO) wireless networks. SEFDM …
modulation (SEFDM-SIM) for multi-input multi-output (MIMO) wireless networks. SEFDM …
Highly secure non-orthogonal multiple access with key accompanying transmission based on subcarrier-indexed modulation
D Zhu, B Liu, J Ren, S Chen, Y Mao, X Song, X Wu… - Optics …, 2024 - opg.optica.org
This paper proposes a key-accompanying transmission scheme based on subcarrier
indexed modulation (SIM). The key is used to control the activation state of subcarriers, with …
indexed modulation (SIM). The key is used to control the activation state of subcarriers, with …
Iterated Filters for Nonlinear Transition Models
A new class of iterated linearization-based nonlinear filters, dubbed dynamically iterated
filters, is presented. Contrary to regular iterated filters such as the iterated extended Kalman …
filters, is presented. Contrary to regular iterated filters such as the iterated extended Kalman …