Results 1 to 10 of about 61,871 (287)

The Evolution of Faster-Than-Nyquist Signaling [PDF]

open access: yesIEEE Access, 2021
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 the data rate attained.
Takumi Ishihara   +2 more
doaj   +7 more sources

Faster-Than-Nyquist Signaling: An Overview

open access: yesIEEE Access, 2017
Faster-than-Nyquist (FTN) signaling can improve the bandwidth utilization. In this paper, we will provide a comprehensive survey on the topic. The history and the applications of FTN signaling are first introduced.
Jiancun Fan   +5 more
doaj   +5 more sources

Constrained Capacities for Faster-Than-Nyquist Signaling [PDF]

open access: yesIEEE Transactions on Information Theory, 2009
This paper deals with capacity computations of faster-than-Nyquist (FTN) signaling. It shows that the capacity of FTN is higher than the orthogonal pulse linear modulation capacity for all pulse shapes except the sinc. FTN signals can in fact achieve the ultimate capacity for the signal power spectral density (PSD).
Fredrik Rusek
exaly   +4 more sources

Multistream Faster than Nyquist Signaling [PDF]

open access: yesIEEE Transactions on Communications, 2009
We extend Mazo's concept of faster-than-Nyquist (FTN) signaling to pulse trains that modulate a bank of subcarriers, a method called two dimensional FTN signaling. The signal processing is similar to orthogonal frequency division multiplex(OFDM) transmission but the subchannels are not orthogonal.
Fredrik Rusek
exaly   +4 more sources

Robust Estimators for Faster-Than-Nyquist Signaling [PDF]

open access: yesIEEE Access, 2022
Novel, robust, and computationally attractive non-data-aided (NDA) and data-aided (DA) single and joint parameter estimators for faster-than-Nyquist (FTN) signaling are presented.
Zouhir Bahri
doaj   +2 more sources

Data-Driven and Model-Driven Joint Detection Algorithm for Faster-Than-Nyquist Signaling in Multipath Channels [PDF]

open access: yesSensors, 2021
In recent years, Faster-than-Nyquist (FTN) transmission has been regarded as one of the key technologies for future 6G due to its advantages in high spectrum efficiency.
Xiuqi Deng, Xin Bian, Mingqi Li
doaj   +2 more sources

On the Capacity of Faster Than Nyquist Signaling [PDF]

open access: yesIEEE Communications Letters, 2020
This letter considers the capacity computations of faster-than-Nyquist (FTN) signaling. It calculates the theoretical capacity of FTN signaling which is obtained by a correlated input. The capacity-achieving power spectral density (PSD) is derived and its superiority over the independent input is shown.
Xun Zou   +2 more
exaly   +4 more sources

Faster-Than-Nyquist Signaling for MIMO Communications [PDF]

open access: yesIEEE Transactions on Wireless Communications, 2021
Faster-than-Nyquist (FTN) signaling is a non-orthogonal transmission technique, which has the potential to provide significant spectral efficiency improvement.
Zichao Zhang   +2 more
semanticscholar   +4 more sources

Differential Faster-Than-Nyquist Signaling

open access: yesIEEE Access, 2018
In this paper, we propose a novel differential faster-than-Nyquist (DFTN) signaling concept that allows us to dispense with any channel estimation at the receiver, while benefiting from a rate boost specific to faster-than-Nyquist (FTN) signaling.
Takumi Ishihara, Shinya Sugiura
doaj   +2 more sources

Reduced-Complexity MIMO Faster-Than-Nyquist Signaling Transceiver for OTFS Modulation

open access: yesIEEE Open Journal of the Communications Society
This paper proposes a novel reduced-complexity detection scheme for multiple-input multiple-output (MIMO)-assisted faster-than-Nyquist (FTN) signaling scheme in the frequency selective fading channels.
Zekun Hong, Shinya Sugiura
doaj   +2 more sources

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