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In various situations where wave transport is preeminent, like in wireless communication, a strong established transmission is present in a complex scattering environment. We develop a novel approach to describe emerging fluctuations, which…

介观与纳米尺度物理 · 物理学 2020-10-08 Dmitry V. Savin , Martin Richter , Ulrich Kuhl , Olivier Legrand , Fabrice Mortessagne

Two-wave with diffuse power (TWDP) is one of the most promising models for description of small-scale fading effects in emerging wireless networks. However, its current statistical characterization has several fundamental issues. Primarily,…

信号处理 · 电气工程与系统科学 2021-11-29 A. Maric , P. Njemcevic , E. Kaljic

In this paper, we develop a novel analytical framework for a three-dimensional (3D) indoor terahertz (THz) communication system. Our proposed model incorporates more accurate modeling of wall blockages via Manhattan line processes and…

信息论 · 计算机科学 2024-10-08 Zhifeng Tang , Nan Yang , Salman Durrani , Xiangyun Zhou , Markku Juntti , Josep Miquel Jornet

We present a generalization of the notoriously unwieldy second-order scattering fading model, which is helpful to alleviate its mathematical complexity while providing an additional degree of freedom. This is accomplished by allowing its…

信息论 · 计算机科学 2024-10-28 Jesus Lopez-Fernandez , Gonzalo J. Anaya-Lopez , F. Javier Lopez-Martinez

Unreliable fading wireless channels are the main challenge for strict performance guarantees in mobile communications. Diversity schemes including massive number of antennas, huge spectrum bands and multi-connectivity links are applied to…

信息论 · 计算机科学 2020-09-21 Karl-Ludwig Besser , Eduard A. Jorswieck

In the realm of wireless communication, stochastic modeling of channels is instrumental for the assessment and design of operational systems. Deep learning neural networks (DLNN), including generative adversarial networks (GANs), are being…

Accurate channel modeling is essential for realizing the potential of terahertz (THz) communications in 6G indoor networks, where existing models struggle with severe frequency selectivity and multipath effects. We propose a physically…

信号处理 · 电气工程与系统科学 2025-10-07 Ziang Zhao , Weixi Liang , Kai Hu , Qun Zhang , Xiongbin Yu , Qiang Li

In this contribution, models of wireless channels are derived from the maximum entropy principle, for several cases where only limited information about the propagation environment is available. First, analytical models are derived for the…

信息论 · 计算机科学 2007-07-13 M. Guillaud , M. Debbah , A. L. Moustakas

One of the major challenges for long range, high speed Free-Space Optical (FSO) communication is turbulence induced beam wander. Beam wander causes fluctuations in the received intensity as well as crosstalk in mode division multiplexed…

信号处理 · 电气工程与系统科学 2019-07-25 Mitchell A. Cox , Lucas Gailele , Ling Cheng , Andrew Forbes

We introduce and characterize the Multi-cluster Two-Wave (MTW) fading model, which generalizes \textit{both} the Durgin's Two-Wave with Diffuse Power (TWDP) and the $\kappa$-$\mu$ models under a common umbrella. The MTW model consists of an…

信息论 · 计算机科学 2024-10-28 Maryam Olyaee , Juan P. Pena-Martin , F. J. Lopez-Martinez , Juan M. Romero-Jerez

Interference and scattering, often deemed undesirable, are inevitable in wireless communications, especially when the current mobile networks and upcoming sixth generation (6G) have turned into ultra-dense networks. Current approaches…

应用物理 · 物理学 2025-02-10 Baiyang Liu , Kin-Fai Tong , Kai-Kit Wong , Chan-Byoung Chae , Hang Wong

Frequency Modulated Continuous Wave (FMCW) radar is a promising sensor for aided inertial navigation, due to its robustness in environments that challenge traditional alternatives, such as LiDAR and vision. However, its widespread adoption…

机器人学 · 计算机科学 2026-05-05 Morten Nissov , Kostas Alexis

This is the second part of a two-part paper that studies the problem of jamming in a fixed-rate transmission system with fading. In the first part, we studied the scenario with a fast fading channel, and found Nash equilibria of mixed…

信息论 · 计算机科学 2008-08-27 George T. Amariucai , Shuangqing Wei , Rajgopal Kannan

Millimeter-wave (mmWave) frequency bands are expected to be used for future 5G networks due to the availability of large unused spectrum. However, the attenuation at mmWave frequencies is high. To resolve this issue, the utilization of high…

信号处理 · 电气工程与系统科学 2020-01-20 Wahab Khawaja , Ozgur Ozdemir , Fatih Erden , Ender Ozturk , Ismail Guvenc

Statistically independent or positively correlated fading models are usually applied to compute the average performance of wireless communications. However, there exist scenarios with negative dependency and it is therefore of interest how…

信息论 · 计算机科学 2021-01-12 Eduard A. Jorswieck , Karl-Ludwig Besser

Current statistical channel models for Terahertz (THz) wireless communication primarily concentrate on the sub-THz band, mostly with $\alpha$-$\mu$ and Gaussian mixture fading distributions for short-term fading and deterministic modeling…

信号处理 · 电气工程与系统科学 2023-10-31 Pranay Bhardwaj , S. M. Zafaruddin

This work studies remote state estimation of multiple linear time-invariant systems over shared wireless time-varying communication channels. We model the channel states by a semi-Markov process which captures both the random holding period…

系统与控制 · 电气工程与系统科学 2024-10-28 Wanchun Liu , Daniel E. Quevedo , Branka Vucetic , Yonghui Li

Wireless communications rely on path loss modeling, which is most effective when it includes the physical details of the propagation environment. Acquiring this data has historically been challenging, but geographic information systems data…

机器学习 · 计算机科学 2025-11-19 Jonathan Ethier , Mathieu Chateauvert , Ryan G. Dempsey , Alexis Bose

Large-scale fading (LSF) between interacting nodes is a fundamental element in radio communications, responsible for weakening the propagation, and thus worsening the service quality. Given the importance of channel-losses in general, and…

信息论 · 计算机科学 2014-12-30 Mouhamed Abdulla , Yousef R. Shayan

We report the development of a new ray-tracing simulation tool having the potential of the full characterization of a radio link through the accurate study of the propagation path of the signal from the transmitting to the receiving…

计算物理 · 物理学 2007-05-23 C. Tannous , J. Nigrin