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This paper investigates symbol detection for single-carrier communication systems operating in the presence of additive interference with Nakagami-m statistics. Such interference departs from the assumptions underlying conventional…

As a new communication paradigm, semantic communication has received widespread attention in communication fields. However, since the decoding of semantic signals relies on contextual knowledge, misalignment between the starting position of…

Signal Processing · Electrical Eng. & Systems 2023-12-19 Xiaoyi Liu , Haotai Liang , Chen Dong , Xiaodong Xu

Optimal symbol detection in multiple-input multiple-output (MIMO) systems is known to be an NP-hard problem. Recently, there has been a growing interest to get reasonably close to the optimal solution using neural networks while keeping the…

Signal Processing · Electrical Eng. & Systems 2021-10-15 Nicolas Zilberstein , Chris Dick , Rahman Doost-Mohammady , Ashutosh Sabharwal , Santiago Segarra

Molecular communication (MC) provides a foundational framework for information transmission in the Internet of Bio-Nano Things (IoBNT), where efficiency and reliability are crucial. However, the inherent limitations of molecular channels,…

Signal Processing · Electrical Eng. & Systems 2025-04-02 Hanlin Cai , Ozgur B. Akan

This work studies the impact of time- synchronization in molecular timing (MT) channels by analyzing three different modulation techniques. The first requires transmitter-receiver synchronization and is based on modulating information on…

Information Theory · Computer Science 2016-09-08 Nariman Farsad , Yonathan Murin , Weisi Guo , Chan-Byoung Chae , Andrew Eckford , Andrea Goldsmith

Numerous biological functions-such as enzymatic catalysis, the immune response system, and the DNA-protein regulatory network-rely on the ability of molecules to specifically recognize target molecules within a large pool of similar…

Molecular Networks · Quantitative Biology 2010-07-27 Yonatan Savir , Tsvi Tlusty

Motivated by communication systems with constrained complexity, we consider the problem of input symbol selection for discrete memoryless channels (DMCs). Given a DMC, the goal is to find a subset of its input alphabet, so that the optimal…

Information Theory · Computer Science 2024-07-02 Maximilian Egger , Rawad Bitar , Antonia Wachter-Zeh , Deniz Gündüz , Nir Weinberger

This paper studies the mitigation of intersymbol interference in a diffusive molecular communication system using enzymes that freely diffuse in the propagation environment. The enzymes form reaction intermediates with information molecules…

Information Theory · Computer Science 2014-01-21 Adam Noel , Karen C. Cheung , Robert Schober

Molecular Communications (MC) is a bio-inspired communication technique that uses molecules to transfer information among bio-nano devices. In this paper, we focus on the detection problem for biological MC receivers employing ligand…

Emerging Technologies · Computer Science 2021-05-13 Murat Kuscu , Ozgur B. Akan

Molecular Communication (MC) leverages the power of diffusion to transmit molecules from a transmitter to a receiver. A wide variety of modulation techniques based on molecule concentration, type, and release time have been extensively…

Emerging Technologies · Computer Science 2025-02-06 Boran A. Kilic , Ozgur B. Akan

We present a novel cross-band modulation framework that combines 3D modulation in the RF domain with intensity modulation and direct detection in the optical domain, the first such integration to enhance communication reliability. By…

Signal Processing · Electrical Eng. & Systems 2025-03-24 Thrassos K. Oikonomou , Sotiris A. Tegos , Panagiotis D. Diamantoulakis , George K. Karagiannidis

The practical utilization of the symbol-level precoding in MIMO systems is challenging since the implementation of the sophisticated optimization algorithms must be done with reasonable computational resources. In the real implementation of…

Signal Processing · Electrical Eng. & Systems 2017-11-27 Jevgenij Krivochiza , Ashkan Kalantari , Symeon Chatzinotas , Bjorn Ottersten

Data transmission rate in molecular communication systems can be improved by using multiple transmitters and receivers. In molecular multiple-input multiple-output (MIMO) systems which use only single type of molecules, the performance at…

Information Theory · Computer Science 2019-04-23 Nithin V. Sabu , Neeraj Varshney , Abhishek K. Gupta

We present a methodology to characterize synchronization in time series based on symbolic representations. A symbol is linked to a sequence of numbers through the rank-order of its values. A representation of a time series results after…

Data Analysis, Statistics and Probability · Physics 2009-11-13 Roberto Monetti , Wolfram Bunk , Ferdinand Jamitzky

Molecular communication (MC) is emerging paradigm that employs molecules as information carriers, inspired by biological signaling processes. Existing modulation schemes such as on-off keying (OOK), although simple to implement, suffer from…

Emerging Technologies · Computer Science 2026-03-10 Muskan Ahuja , Abhishek K. Gupta

To establish a time reference frame between two users in quantum key distribution, a synchronization calibration process is usually applied for the case of using gated mode single-photon detectors (SPDs). Traditionally, the synchronization…

Quantum Physics · Physics 2020-02-26 Peng Liu , Hua-Lei Yin

In this letter, a novel synchronization method for MIMO-OFDM systems is proposed. The new approach has an accurate estimate of both symbol timing and large frequency offest. Simulation results show the excellent robustness of our method in…

Signal Processing · Electrical Eng. & Systems 2018-11-22 Jun Liu , Kai Mei , Xiaochen Zhang , Xiaoying Zhang , Dongtang Ma , Jibo Wei

In diffusion-based molecular communication, information is transferred from a transmitter to a receiver using molecular carriers. The low achievable data rate is the main disadvantage of diffusion-based molecular over radio-based…

Emerging Technologies · Computer Science 2018-09-18 Tayyebeh Jahani-Nezhad , Foroogh S. Tabataba

Multiple access (MA) schemes can enable cooperation between multiple nodes in future diffusion-based molecular communication (DBMC) networks. Non-orthogonal MA for DBMC networks (DBMC-NOMA) is a promising option for efficient simultaneous…

Emerging Technologies · Computer Science 2025-12-09 Alexander Wietfeld , Wolfgang Kellerer

Semantic communication systems often use an end-to-end neural network to map input data into continuous symbols. These symbols, which are essentially neural network features, usually have fixed dimensions and heavy-tailed distributions.…

Information Theory · Computer Science 2025-12-17 Hanju Yoo , Dongha Choi , Songkuk Kim , Chan-Byoung Chae , Robert W. Heath