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Related papers: Receiver Design for Faster-than-Nyquist Signaling:…

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Faster-than-Nyquist (FTN) signaling is a non-orthogonal transmission technique, which has the potential to provide significant spectral efficiency improvement. This paper studies the capacity of FTN signaling for both frequency-flat and for…

Information Theory · Computer Science 2022-10-11 Zichao Zhang , Melda Yuksel , Halim Yanikomeroglu

Spectrum scarcity necessitates innovative, spectral-efficient strategies to meet the ever-growing demand for high data rates. Faster-than-Nyquist (FTN) signaling emerges as a compelling spectral-efficient transmission method that pushes…

Signal Processing · Electrical Eng. & Systems 2024-06-18 Adem Cicek , Ian Marsland , Enver Cavus , Ebrahim Bedeer , Halim Yanikomeroglu

In this paper, we propose a serially concatenated turbo-encoded faster-than-Nyquist signaling (FTNS) transceiver that takes into account FTNS-specific colored noise effects. The proposed low-complexity receiver carries out soft-decision…

Information Theory · Computer Science 2016-04-14 Takumi Ishihara , Shinya Sugiura

Ultra-reliable low-latency communication (URLLC) requires short packets of data transmission. It is known that when the packet length becomes short, the achievable rate is subject to a penalty when compared to the channel capacity. In this…

Information Theory · Computer Science 2021-06-22 Emre Cerci , Adem Cicek , Enver Cavus , Ebrahim Bedeer , Halim Yanikomeroglu

A deep learning assisted sum-product detection algorithm (DL-SPDA) for faster-than-Nyquist (FTN) signaling is proposed in this paper. The proposed detection algorithm works on a modified factor graph which concatenates a neural network…

Information Theory · Computer Science 2020-12-16 Bryan Liu , Shuangyang Li , Yixuan Xie , Jinhong Yuan

In this work, we propose a deep learning (DL)-based approach that integrates a state-of-the-art algorithm with a time-frequency (TF) learning framework to minimize overall latency. Meeting the stringent latency requirements of 6G orthogonal…

Signal Processing · Electrical Eng. & Systems 2025-03-12 Mauro Marchese , Henk Wymeersch , Paolo Spallaccini , Stefano Chinnici , Pietro Savazzi

In this paper, we provide an analytical study of single-carrier faster-than-Nyquist (FTN) signaling for integrated sensing and communications (ISAC). Our derivations show that FTN is advantageous for ISAC, and reveal new insights that these…

Information Theory · Computer Science 2025-06-12 Shuangyang Li , Fan Liu , Yifeng Xiong , Weijie Yuan , Baoming Bai , Christos Masouros , Giuseppe Caire

In this paper, we investigate the sequence estimation problem of binary and quadrature phase shift keying faster-than-Nyquist (FTN) signaling and propose two novel low-complexity sequence estimation techniques based on concepts of…

Information Theory · Computer Science 2017-01-31 Ebrahim Bedeer , Mohamed Hossam Ahmed , Halim Yanikomeroglu

This work addresses the issue of interference generated by co-channel users in downlink multi-antenna multicarrier systems with frequency-packed faster-than-Nyquist (FTN) signaling. The resulting interference stems from an aggressive…

Signal Processing · Electrical Eng. & Systems 2021-07-16 Wallace A. Martins , Symeon Chatzinotas , Björn Ottersten

In this paper, deep learning-based approach for the design of radar absorbing structure using resistive frequency selective surface is proposed. In the present design, reflection coefficient is used as input of deep learning model and the…

Machine Learning · Computer Science 2025-02-27 Vijay Kumar Sutrakar , Nikhil Morge , Anjana PK , Abhilash PV

This paper addresses the joint transceiver design, including pilot transmission, channel feature extraction and feedback, as well as precoding, for low-overhead downlink massive multiple-input multiple-output (MIMO) communication in…

Signal Processing · Electrical Eng. & Systems 2025-04-16 Lin Zhu , Weifeng Zhu , Shuowen Zhang , Shuguang Cui , Liang Liu

In recent years, Deep Learning (DL) has been successfully applied to detect and classify Radio Frequency (RF) Signals. A DL approach is especially useful since it identifies the presence of a signal without needing full protocol…

Computer Vision and Pattern Recognition · Computer Science 2021-05-20 Hilal Elyousseph , Majid L Altamimi

The detection of semantic relationships between objects represented in an image is one of the fundamental challenges in image interpretation. Neural-Symbolic techniques, such as Logic Tensor Networks (LTNs), allow the combination of…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Francesco Manigrasso , Filomeno Davide Miro , Lia Morra , Fabrizio Lamberti

A deep learning assisted sum-product detection algorithm (DL-SPA) for faster-than-Nyquist (FTN) signaling is proposed in this paper. The proposed detection algorithm concatenates a neural network to the variable nodes of the conventional…

Information Theory · Computer Science 2019-07-23 Bryan Liu , Shuangyang Li , Yixuan Xie , Jinhong Yuan

In time-varying fading channels, channel coefficients are estimated using pilot symbols that are transmitted every coherence interval. For channels with high Doppler spread, the rapid channel variations over time will require considerable…

Information Theory · Computer Science 2022-03-24 Sandesh Rao Mattu , Lakshmi Narasimhan T , A. Chockalingam

We consider a bistatic configuration with a stationary transmitter transmitting unknown waveforms of opportunity and a moving receiver, and present a Deep Learning (DL) framework for passive synthetic aperture radar (SAR) imaging. Existing…

Signal Processing · Electrical Eng. & Systems 2019-06-05 Bariscan Yonel , Eric Mason , Birsen Yazici

This letter proposes the Faster-than-Nyquist signaling (FTNS) using overlap frequency domain equalization (FDE), which compensates the inter-symbol interference (ISI) due to band limiting filters of the FTNS at the transmitter and the…

Information Theory · Computer Science 2015-09-03 Hiroyuki Fukumoto , Kazunori Hayashi

This paper presents a deep learning (DL) approach for estimating and detecting symbols in signals transmitted through reconfigurable intelligent surfaces (RIS). The proposed network utilizes fully connected layers to estimate channels and…

Signal Processing · Electrical Eng. & Systems 2020-07-28 Saud Khan , Komal S Khan , Noman Haider , Soo Young Shin

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. The…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Zekun Hong , Shinya Sugiura , Chao Xu , Lajos Hanzo

We propose a low complexity graph-based linear minimum mean square error (LMMSE) equalizer which considers both the intersymbol interference (ISI) and the effect of non-white noise inherent in Faster-than-Nyquist (FTN) signaling. In order…

Information Theory · Computer Science 2016-11-17 Pinar Sen , Tugcan Aktas , A. Ozgur Yilmaz