Results 21 to 30 of about 910,579 (228)
A MIMO Detector With Deep-Neural-Network for Faster-Than-Nyquist Optical Wireless Communications
IEEE Photonics JournalConventional multiple input multiple output (MIMO) detection algorithms face challenges related to computational complexity and limited performance when handling high-dimensional inputs and complex channel conditions.
Minghua Cao +5 more
doaj +2 more sources
Photonics, 2022 Faster-than-Nyquist (FTN) coherent optical transmission technology is considered to be an outstanding solution to achieve higher spectral efficiency (SE), larger capacity, and greater achievable transmission by using advanced modulation formats in ...
Tao Yang +5 more
doaj +1 more source
Symbol-Level Precoding for Integrated Sensing and Communications: A Faster-Than-Nyquist Approach [PDF]
IEEE Communications Letters, 2023 In this letter, we propose a novel symbol-level precoding (SLP) method for a multi-user multi-input multi-output (MU-MIMO) downlink Integrated Sensing and Communications (ISAC) system based on faster-than-Nyquist (FTN) signaling. Our method minimizes the
Zihan Liao, Fan Liu
semanticscholar +1 more source
Journal of Lightwave Technology, 2022 The 4-ary pulse amplitude modulation (PAM-4) has been widely deployed to both electrical and optical interfaces in datacenter applications. Based on 100-GBd PAM-4, the 200G per lane optical interface is being actively developed in both industrial ...
D. Che, X. Chen
semanticscholar +1 more source
Multicarrier Faster-Than-Nyquist Based on Efficient Implementation and Probabilistic Shaping
IEEE Access, 2021 The conventional multicarrier faster-than-Nyquist (MFTN) achieves the spectral efficiency (SE) gain by deep compression. However, deep compression leads to severe intersymbol interference (ISI) or intercarrier interference (ICI).
Hui Che, Kun Zhu, Yong Bai
doaj +1 more source
IEEE Access, 2022 Faster-than Nyquist (FTN) signaling is a research topic that has been drawing increased attention due to its capability of improving transmission speed without the need of extra bandwidth.
Tanatsan Khantha +4 more
doaj +1 more source
On zero-forcing equalization for short-filtered multicarrier faster-than-Nyquist signaling [PDF]
, 2016 Within the context of faster-than-Nyquist signaling, a low-complexity multicarrier system based on short-length filters and zero-forcing turbo equalization is introduced.
Abelló Barberán, Albert +3 more
core +3 more sources
Improving Spectral Efficiency While Reducing PAPR Using Faster-Than-Nyquist Multicarrier Signaling [PDF]
, 2017 Multicarrier modulations are widely used in mobile radio applications due to their adaptability to the time-frequency characteristics of the channel, thus enabling low-complexity equalization. However, their intrinsically high peak-to-average power ratio
Marquet, Alexandre +3 more
core +1 more source
Low-Complexity Selective Mapping Methods for Multicarrier Faster-Than-Nyquist Signaling
IEEE Access, 2020 Multicarrier faster-than-Nyquist (MFTN) signaling is a high spectral efficiency transmission scheme, which is promising in the future communication. One of the major problems of MFTN signaling is high peak-to-average power ratio (PAPR).
Biao Cai, Aijun Liu, Xiaohu Liang
doaj +1 more source
Blind Symbol Rate Estimation of Faster-than-Nyquist Signals Based on Higher-Order Statistics [PDF]
, 2018 Both faster-than-Nyquist (FTN) and cognitive radio go towards an efficient use of spectrum in radio communications systems at the cost of an added computational complexity at the receiver side.
Abelló Barberán, Albert +2 more
core +1 more source