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As the main way of underwater wireless communication, underwater acoustic communication is one of the focuses of ocean research. Compared with the free space wireless communication channel, the underwater acoustic channel suffers from more…

Other Computer Science · Computer Science 2022-04-21 Hai-Peng Ren , Yang Zhao

In this paper, we propose two novel physical layer aware adaptive network coding and coded modulation schemes for time variant channels. The proposed schemes have been applied to different satellite communications scenarios with different…

Information Theory · Computer Science 2017-04-18 Ala Eddine Gharsellaoui , Samah A. M. Ghanem , Daniele Tarchi , Alessandro Vanelli-Coralli

In this work, the problem of communicating decisions of a classifier over a noisy channel is considered. With machine learning based models being used in variety of time-sensitive applications, transmission of these decisions in a reliable…

Information Theory · Computer Science 2024-04-24 Noel Teku , Sudarshan Adiga , Ravi Tandon

Unsupervised single-channel overlapped speech recognition is one of the hardest problems in automatic speech recognition (ASR). Permutation invariant training (PIT) is a state of the art model-based approach, which applies a single neural…

Computation and Language · Computer Science 2017-12-27 Zhehuai Chen , Jasha Droppo , Jinyu Li , Wayne Xiong

Automatic speech recognition (ASR) allows transcribing the communications between air traffic controllers (ATCOs) and aircraft pilots. The transcriptions are used later to extract ATC named entities, e.g., aircraft callsigns. One common…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-18 Juan Zuluaga-Gomez , Seyyed Saeed Sarfjoo , Amrutha Prasad , Iuliia Nigmatulina , Petr Motlicek , Karel Ondrej , Oliver Ohneiser , Hartmut Helmke

To combat the detrimental effects of the variability in wireless channels, we consider cross-layer rate adaptation based on limited feedback. In particular, based on limited feedback in the form of link-layer acknowledgements (ACK) and…

Information Theory · Computer Science 2011-11-21 C. Emre Koksal , Philip Schniter

Molecular communication via diffusion (MCvD) is a molecular communication method that utilizes the free diffusion of carrier molecules to transfer information at the nano-scale. Due to the random propagation of carrier molecules,…

Emerging Technologies · Computer Science 2019-09-20 Mustafa Can Gursoy , Ertugrul Basar , Ali Emre Pusane , Tuna Tugcu

Targeting always the best achievable bit error rate (BER) performance in iterative receivers operating over multiple-input multiple-output (MIMO) channels may result in significant waste of resources, especially when the achievable BER is…

Information Theory · Computer Science 2012-10-05 Konstantinos Nikitopoulos , Gerd Ascheid

Current quantum computers suffer from non-stationary noise channels with high error rates, which undermines their reliability and reproducibility. We propose a Bayesian inference-based adaptive algorithm that can learn and mitigate quantum…

Quantum Physics · Physics 2023-08-30 Samudra Dasgupta , Arshag Danageozian , Travis S. Humble

This letter proposes a two-stage distributionally robust optimization (DRO) framework for secure deployment and beamforming in an aerial reconfigurable intelligent surface (A-RIS) assisted millimeter-wave system. To account for…

Information Retrieval · Computer Science 2025-12-01 Zhongming Feng , Qiling Gao , Zeping Sui , Yun Lin , Michail Matthaiou

This paper proposes a novel non-orthogonal affine frequency division multiplexing (nAFDM) waveform for reliable high-mobility communications with enhanced spectral efficiency (SE). The key idea is to introduce a bandwidth compression factor…

Information Theory · Computer Science 2026-02-17 Qin Yi , Zilong Liu , Leila Musavian , Zeping Sui

Free space optical (FSO) communication has been receiving increasing attention in recent years with its ability to achieve ultra-high data rates over unlicensed optical spectrum. A major performance limiting factor in FSO systems is…

Information Theory · Computer Science 2016-09-21 Mohammadreza Aminikashani , Mohsen Kavehrad

We obtain strict upper bounds on the bit transmission rate for communication of Classical bit codewords over Quantum channels. Albeit previous arguments in arXiv: 1804.01797 which have demonstrated that lower bounds can be shown to hold for…

Quantum Physics · Physics 2025-07-08 Pete Rigas

We consider distributed computations between two parties carried out over a noisy channel that may erase messages. Following a noise model proposed by Dani et al. (2018), the noise level observed by the parties during the computation in our…

Data Structures and Algorithms · Computer Science 2019-09-17 Ran Gelles , Siddharth Iyer

In this paper, an improved receiver based on diversity combining is proposed to improve the bit error rate (BER) performance of layered asymmetrically clipped optical fast orthogonal frequency division multiplexing (ACO-FOFDM) for…

Information Theory · Computer Science 2017-07-26 Mengqi Guo , Ji Zhou , Xizi Tang , Fan Hu , Jia Qi , Yaojun Qiao , Aiying Yang , Yueming Lu

In this paper, we propose a new Multiple-Input Multiple-Output (MIMO) Molecular Communication (MC) system where multiple types of molecules are utilized for transmission and reception of information. We call the proposed framework as…

Signal Processing · Electrical Eng. & Systems 2019-08-19 Hamid Khoshfekr Rudsari , Mohammad Reza Javan , Mahdi Orooji , Nader Mokari , Eduard A. Jorswieck

In this work, we consider diffusion-based molecular communication timing channels. Three different timing channels are presented based on three different modulation techniques, i.e., i) modulation of the release timing of the information…

Information Theory · Computer Science 2015-12-08 Nariman Farsad , Weisi Guo , Chan-Byoung Chae , Andrew Eckford

In precision frequency transfer systems, stringent requirements are imposed on the phase stability of transmitted signals. Throughout the transmission process, the inherent challenges of long-haul signal propagation inevitably introduce…

Optics · Physics 2025-12-24 Xuan Yang. Junhui Li , Bin Luo , Ziyang Chen , Hong guo

Connecting superconducting quantum processors to telecommunications-wavelength quantum networks is critically necessary to enable distributed quantum computing, secure communications, and other applications. Optically-mediated entanglement…

Semantic communication enhances transmission efficiency by conveying semantic information rather than raw input symbol sequences. Task-oriented semantic communication is a variant that tries to retains only task-specific information, thus…

Cryptography and Security · Computer Science 2025-10-06 Xuesong Wang , Mo Li , Xingyan Shi , Zhaoqian Liu , Shenghao Yang