Results 41 to 50 of about 13,278,918 (115)

Delay-Doppler-Domain Channel Estimation and Reduced-Complexity Detection of Faster-Than-Nyquist Signaling Aided OTFS

open access: yesIEEE Open Journal of Vehicular Technology
We conceive a novel channel estimation and data detection scheme for OTFS-modulated faster-than-Nyquist (FTN) transmission over doubly selective fading channels, aiming for enhancing the spectral efficiency and Doppler resilience.
Zekun Hong   +3 more
doaj   +1 more source

FTN Signal Carrier Synchronization Based on DFT and Quadratic Polynomial Fitting [PDF]

open access: yesJisuanji gongcheng, 2018
Faster-than-Nyquist(FTN) signaling,which is promising in 5G mobile communication,has higher information rate and spectrum efficiency.However,symbol interval’s compression resulted in infinite Inter-Symbol Interferences (ISI),which would deteriorate the ...
CHENG Peng,LIU Aijun,LIANG Xiaohu,WANG Ke,CAI Biao
doaj   +1 more source

Faster than Nyquist signaling: algorithms to silicon

open access: yes, 2014
This book addresses the challenges and design trade-offs arising during the hardware design of Faster-than-Nyquist (FTN) signaling transceivers. The authors describe how to design for coexistence between the FTN system described and Orthogonal frequency ...
Öwall, Viktor   +3 more
core   +1 more source

Hartley-Domain DD-FTN Algorithm for ACO-SCFDM in Optical-Wireless Communications

open access: yesIEEE Photonics Journal, 2019
In this paper, we propose a Hartley-domain direct-detection faster-than-Nyquist (HD-DD-FTN) algorithm for asymmetrically clipped optical single-carrier frequency-division multiplexing (ACO-SCFDM) in optical-wireless communications (OWC).
Chun Shan   +7 more
doaj   +1 more source

Survey of Faster-Than-Nyquist for Flexible Passive Optical Networks

open access: yes, 2015
The constant growing in traffic demands has driven to look for new methods with which to reduce the occupied bandwidth and efficient use of the optical spectrum. Despite non-orthogonal signalling lead to intersymbolic interference introduction, it can be
Sotelo, Félix   +17 more
core   +1 more source

Machine Learning Approaches for Faster-than-Nyquist (FTN) Signaling Detection [PDF]

open access: yes, 2023
There will be a significant demand on having a fast and reliable wireless communication systems in future. Since bandwidth and bit rate are tightly connected to each other, one approach will be increasing the bandwidth.
Abbasi, Sina
core  

Low-Complexity Detection of High-Order QAM Faster-Than-Nyquist Signaling

open access: yesIEEE Access, 2017
Faster-than-Nyquist (FTN) signaling is a promising non-orthogonal transmission technique to considerably improve the spectral efficiency. This paper presents the first attempt in the literature to estimate the transmit data symbols of any high-order ...
Ebrahim Bedeer   +2 more
doaj   +1 more source

Discrete Fourier Transform-Based Block Faster-Than- Nyquist Transmission for 5G Wireless Communications

open access: yesApplied Sciences, 2020
Faster-than-Nyquist (FTN) signaling is regarded as a potential candidate for improving data rate and spectral efficiency of 5G new radio (NR). However, complex detectors have to be utilized to eliminate the inter symbol interference (ISI) introduced by ...
Yaqiu Peng, Mingqi Li
doaj   +1 more source

An Improved MMSE-NP-RISIC Equalization Algorithm in FTN System [PDF]

open access: yesJisuanji gongcheng, 2020
Faster-Than-Nyquist(FTN) signaling can improve the system effectiveness without reducing the system reliability,but it will bring serious inter-symbol interference and have a serious impact on the equalization performance of the system.Although the ...
YANG Lu, HUANG Junxi, LI Yuan
doaj   +1 more source

Optimal side lobes under linear and faster-than-Nyquist modulation [PDF]

open access: yes, 2007
We minimize the frequency and time occupancy of multicarrier binary linear modulation based on two-dimensional faster than Nyquist (FTN) signaling.
Fredrik Rusek   +3 more
core   +1 more source

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