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This paper describes an implementation of spatial consistency in the NYUSIM channel simulation platform. NYUSIM is a millimeter wave (mmWave) channel simulator that realizes measurement-based channel models based on a wide range of…

Information Theory · Computer Science 2018-09-05 Shihao Ju , Theodore S. Rappaport

New techniques in cross-layer wireless networks are building demand for ubiquitous channel sounding, that is, the capability to measure channel impulse response (CIR) with any standard wireless network and node. Towards that goal, we…

Other Computer Science · Computer Science 2013-12-10 Mohammad H. Firooz , Dustin Maas , Junxing Zhang , Neal Patwari , Sneha K. Kasera

Reliable quantitative analysis in scanning (transmission) electron microscopy (S(T)EM) is often hindered by image drift during long-duration spectral mapping for elemental analysis or for various material functions. We here present…

Instrumentation and Detectors · Physics 2026-04-22 Zac Thollar , Kanto Maeda , Tetsuya Kubota , Taka-aki Yano , Qiwen Tan , Takumi Sannomiya

Intelligent reflecting surface (IRS) is an emerging technology for future wireless communications including 5G and especially 6G. It consists of a large 2D array of (semi-)passive scattering elements that control the electromagnetic…

Signal Processing · Electrical Eng. & Systems 2021-04-21 Gilderlan T. de Araújo , André L. F. de Almeida , Rémy Boyer

In this paper an analytical model is introduced to describe the impulse response of the diffusive channel between a pointwise transmitter and a given fully-absorbing (FA) receiver in a molecular communication (MC) system. The presence of…

Information Theory · Computer Science 2021-11-25 Marco Ferrari , Fardad Vakilipoor , Eric Regonesi , Mariangela Rapisarda , Maurizio Magarini

Molecular communication (MC) is a communication paradigm in which information is conveyed through the controlled release, propagation, and reception of molecules. Many envisioned healthcare applications of MC are expected to operate inside…

Emerging Technologies · Computer Science 2026-04-10 Theofilos Symeonidis , Fardad Vakilipoor , Robert Schober , Nunzio Tuccitto , Maximilian Schäfer

We numerically study trajectories of spiral-wave-cores in excitable systems modulated proportionally to the integral of the activity on the straight line, several or dozens of equi-spaced measuring points on the straight line, the…

Statistical Mechanics · Physics 2015-05-18 Guoyong Yuan , Aiguo Xu , Guangrui Wang , Shigang Chen

We study the three-user interference channel where each transmitter has local feedback of the signal from its targeted receiver. We show that in the important case where the channel coefficients are static, exact alignment can be achieved…

Information Theory · Computer Science 2012-10-02 Vasilis Ntranos , Viveck R. Cadambe , Bobak Nazer , Giuseppe Caire

This paper considers dynamic transmit covariance design in point-to-point MIMO fading systems with unknown channel state distributions and inaccurate channel state information subject to both long term and short term power constraints.…

Information Theory · Computer Science 2017-04-19 Hao Yu , Michael J. Neely

This paper investigates the channel impulse response (CIR), i.e., the molecule hitting rate, of a molecular communication (MC) system employing an absorbing receiver (RX) covered by multiple non overlapping receptors. In this system,…

Emerging Technologies · Computer Science 2022-04-29 Xinyu Huang , Yuting Fang , Stuart T. Johnston , Mattew Faria , Nan Yang , Robert Schober

In molecular communication (MC) systems, the expected number of molecules observed at the receiver over time after the instantaneous release of molecules by the transmitter is referred to as the channel impulse response (CIR). Knowledge of…

Information Theory · Computer Science 2016-11-17 Vahid Jamali , Arman Ahmadzadeh , Christophe Jardin , Heinrich Sticht , Robert Schober

The notion of concept drift refers to the phenomenon that the data generating distribution changes over time; as a consequence machine learning models may become inaccurate and need adjustment. In this paper we consider the problem of…

Machine Learning · Computer Science 2022-05-16 Fabian Hinder , André Artelt , Valerie Vaquet , Barbara Hammer

The coherent control of wave absorption has important applications in areas such as energy harvesting, imaging, and sensing. However, most practical scenarios involve the absorption of partially coherent rather than fully coherent waves.…

Optics · Physics 2024-08-13 Cheng Guo , Shanhui Fan

This paper answers a fundamental question about the exact distribution of the signal-to-interference-plus-noise ratio (SINR) under matched-filter (MF) precoding. Specifically, we derive the exact expressions for the cumulative distribution…

Information Theory · Computer Science 2024-01-31 Hui Zhao , Dirk Slock , Petros Elia

We report on experiments of perfect absorption for surface gravity waves impinging a wall structured by a subwavelength resonator. By tuning the geometry of the resonator, a balance is achieved between the radiation damping and the…

Fluid Dynamics · Physics 2019-01-30 Eduardo Monsalve , Agnes Maurel , Philippe Petitjeans , Vincent Pagneux

Accurate cross-band channel prediction is essential for 6G networks, particularly in the upper mid-band (FR3, 7-24 GHz), where penetration loss and blockage are severe. Although ray tracing (RT) provides high-fidelity modeling, it remains…

Information Theory · Computer Science 2026-01-30 Fan-Hao Lin , Chi-Jui Sung , Chu-Hsiang Huang , Hui Chen , Chao-Kai Wen , Henk Wymeersch

Molecular communication (MC) can enable the transfer of information between nanomachines using molecules as the information carrier. In MC systems, multiple receiver nanomachines often co-exist in the same communication channel to serve…

Information Theory · Computer Science 2022-12-07 Nithin V. Sabu , Abhishek K. Gupta , Neeraj Varshney , Anshuman Jindal

Composed image retrieval (CIR) searches a corpus with a reference image and a text describing how to modify it. Despite rapid progress from triplet-trained compositors to zero-shot and generative methods, essentially all systems share one…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Amsisan Tran , Baogh Le , Tuan Kiet Pham , Sui Yang Guang

Room impulse responses (RIRs) are fundamental to audio data augmentation, acoustic signal processing, and immersive audio rendering. While geometric simulators such as the image source method (ISM) can efficiently generate early…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-17 Zeyu Xu , Andreas Brendel , Albert G. Prinn , Emanuël A. P. Habets

In Diffusive Molecular Communication (DMC), information is transmitted by diffusing molecules. Synaptic signaling, as a natural implementation of this paradigm, encompasses functional components that, once understood, can facilitate the…

Subcellular Processes · Quantitative Biology 2020-11-26 Sebastian Lotter , Arman Ahmadzadeh , Robert Schober