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In this paper, we investigate the detection problem of binary faster-than-Nyquist (FTN) signaling and propose a novel sequence estimation technique that exploits its special structure. In particular, the proposed sequence estimation…

Information Theory · Computer Science 2017-03-08 Ebrahim Bedeer , Halim Yanikomeroglu , Mohamed Hossam Ahmed

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

Faster-than-Nyquist (FTN) signaling is a promising non-orthogonal physical layer transmission technique to improve the spectral efficiency of future communication systems but at the expense of intersymbol-interference (ISI). In this paper,…

Information Theory · Computer Science 2019-04-16 Ebrahim Bedeer , Halim Yanikomeroglu , Mohamed Hossam Ahmed

In this paper, we investigate the sequence estimation problem of faster-than-Nyquist (FTN) signaling as a promising approach for increasing spectral efficiency (SE) in future communication systems. In doing so, we exploit the concept of…

Signal Processing · Electrical Eng. & Systems 2019-12-24 Michel Kulhandjian , Ebrahim Bedeer , Hovannes Kulhandjian , Claude D'Amours , Halim Yanikomeroglu

Being capable of enhancing the spectral efficiency (SE), faster-than-Nyquist (FTN) signaling is a promising approach for wireless communication systems. This paper investigates the doubly-selective (i.e., time- and frequency-selective)…

Information Theory · Computer Science 2023-05-25 Simin Keykhosravi , Ebrahim Bedeer

This paper analyzes faster-than-Nyquist (FTN) signaling within a consistent framework based on a fixed time-bandwidth product (TBP), resolving potential ambiguities present in finite blocklength analysis. A key feature of FTN is its ability…

Information Theory · Computer Science 2026-03-13 Yong Jin Daniel Kim

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

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

Faster-than-Nyquist (FTN) signaling is a promising non-orthogonal pulse modulation technique that can improve the spectral efficiency (SE) of next generation communication systems at the expense of higher detection complexity to remove the…

Information Theory · Computer Science 2021-11-18 Ahmed Ibrahim , Ebrahim Bedeer , Halim Yanikomeroglu

Faster-than-Nyquist (FTN) signalling has emerged as a compelling technique for enhancing spectral efficiency in bandwidth-constrained communication systems. By intentionally introducing controlled intersymbol interference (ISI), FTN allows…

Information Theory · Computer Science 2026-05-05 Shubham Paul , Sheetal Kalyani , Nambi Sheshadri , R David Koilpillai

Faster-than-Nyquist (FTN) signaling is an attractive transmission technique which accelerates data symbols beyond the Nyquist rate to improve the spectral efficiency; however, at the expense of higher computational complexity to remove the…

Information Theory · Computer Science 2022-10-05 Adem Cicek , Enver Cavus , Ebrahim Bedeer , Ian Marsland , Halim Yanikomeroglu

This paper proposes a convolutional neural network (CNN)-based detector for faster-than-Nyquist (FTN) signaling that employs structured fixed kernel layers with domain-informed masking to mitigate intersymbol interference (ISI). Unlike…

Signal Processing · Electrical Eng. & Systems 2025-07-22 Osman Tokluoglu , Enver Cavus , Ebrahim Bedeer , Halim Yanikomeroglu

This paper presents a novel convolutional neural network (CNN)-based detector for faster-than-Nyquist (FTN) signaling, introducing structured fixed kernel layers with domain-informed masking to effectively mitigate intersymbol interference…

Signal Processing · Electrical Eng. & Systems 2025-08-19 Osman Tokluoglu , Enver Cavus , Ebrahim Bedeer , Halim Yanikomeroglu

Future wireless networks are expected to deliver ultra-high throughput for supporting emerging applications. In such scenarios, conventional Nyquist signaling may falter. As a remedy, faster-than-Nyquist (FTN) signaling facilitates the…

Information Theory · Computer Science 2026-01-05 Shuangyang Li , Melda Yuksel , Tongyang Xu , Shinya Sugiura , Jinhong Yuan , Giuseppe Caire , Lajos Hanzo

Faster-Than-Nyquist (FTN) Signalling is a non-orthogonal transmission scheme that violates the Nyquist zero-ISI criterion providing higher throughput and better spectral efficiency than a Nyquist transmission scheme. In this thesis, the…

Signal Processing · Electrical Eng. & Systems 2025-09-26 Sathwik Chadaga

Faster-than-Nyquist (FTN) signaling can improve the spectral efficiency (SE); however, at the expense of high computational complexity to remove the introduced intersymbol interference (ISI). Motivated by the recent success of ML in…

Information Theory · Computer Science 2022-08-24 Sina Abbasi , Ebrahim Bedeer

Faster-than-Nyquist (FTN) signaling aims at improving the spectral efficiency of wireless communication systems by exceeding the boundaries set by the Nyquist-Shannon sampling theorem. 50 years after its first introduction in the scientific…

Signal Processing · Electrical Eng. & Systems 2025-07-30 Bruno De Filippo , Carla Amatetti , Alessandro Vanelli-Coralli

Faster-than-Nyquist (FTN) signaling and superimposed pilot (SP) techniques are effective solutions for significantly enhancing the spectral efficiency (SE) in next-generation wireless communication systems. This paper proposes an innovative…

Signal Processing · Electrical Eng. & Systems 2025-03-26 Simin Keykhosravi , Ebrahim Bedeer

A training symbol-based equalization algorithm is proposed for polarization de-multiplexing in quadrature duobinary (QDB) modulated polarization division multiplexedfaster-than-Nyquist (FTN) coherent optical systems. The proposed algorithm…

Signal Processing · Electrical Eng. & Systems 2018-01-08 S. Zhang , D. Chang , O. A. Dobre , O. Omomukuyo , X. Lin , R. Venkatesan

Faster-than-Nyquist (FTN) signaling is a candidate non-orthonormal transmission technique to improve the spectral efficiency (SE) of future communication systems. However, such improvements of the SE are at the cost of additional…

Information Theory · Computer Science 2022-04-18 Sina Abbasi , Ebrahim Bedeer
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