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We investigate a two-dimensional transmission model consisting of a wave equation and a Kirchhoff plate equation with dynamical boundary controls under geometric conditions. The two equations are coupled through transmission conditions…

偏微分方程分析 · 数学 2023-10-10 Zahraa Abdallah , Stéphane Gerbi , Chiraz Kassem , Ali Wehbe

The reconfigurable intelligent surface is a promising technology for the manipulation and control of wireless electromagnetic signals. In particular, it has the potential to provide significant performance improvements for wireless…

信号处理 · 电气工程与系统科学 2022-09-14 Hamidreza Taghvaee , Akshay Jain , Sergi Abadal , Gabriele Gradoni , Eduard Alarcón , Albert Cabellos-Aparicio

We have developed a coupled-mode analysis framework for superconducting travelling-wave parametric amplifiers using the full Telegrapher's equations to incorporate loss-related behaviour. Our model provides an explanation of previous…

超导电性 · 物理学 2019-07-30 Songyuan Zhao , Stafford Withington , David J. Goldie , Chris N. Thomas

This work presents an analytical framework for characterizing the performance of cooperative and noncooperative spectrum sensing schemes by figuring out the tradeoff between the achieved diversity and coding gains in each scheme. Based on…

网络与互联网体系结构 · 计算机科学 2016-11-15 Ahmed M. Alaa , Mahmoud H. Ismail , Hazim Tawfik

We develop a novel framework for proving converse theorems for channel coding, which is based on the analysis technique of multicast transmission with an additional auxiliary receiver, which serves as a genie to the original receiver. The…

信息论 · 计算机科学 2022-09-02 Anelia Somekh-Baruch

Future wireless systems are expected to support mission-critical services demanding higher and higher reliability. In this letter, we dimension the radio resources needed to achieve a given failure probability target for ultra-reliable…

信号处理 · 电气工程与系统科学 2023-06-13 Gilberto Berardinelli , Ramoni Adeogun

A network of $n$ wireless communication links is considered in a Rayleigh fading environment. It is assumed that each link can be active and transmit with a constant power $P$ or remain silent. The objective is to maximize the number of…

信息论 · 计算机科学 2007-10-30 Masoud Ebrahimi , Amir K. Khandani

We consider transmission over a wireless multiple antenna communication system operating in a Rayleigh flat fading environment with no channel state information at the receiver and the transmitter with coherence time T=1. We show that,…

信息论 · 计算机科学 2008-01-15 Jochen Sommerfeld , Igor Bjelakovic , Holger Boche

Superdirective array may achieve an array gain proportional to the square of the number of antennas $M^2$. In the early studies of superdirectivity, little research has been done from wireless communication point of view. To leverage…

信息论 · 计算机科学 2023-07-17 Liangcheng Han , Haifan Yin

The robust stability problem involves designing a controlled system which remains stable in the presence of modeling uncertainty. In this context, results known as small gain theorems are used to quantify the maximum amount of uncertainty…

最优化与控制 · 数学 2026-04-01 Gavin Glenn , Emma J. Reid

Multi-channel wireless systems have become a standard solution to address our information society's ever-increasing demand for more information transfer. The ultimate bound on the capacity such systems can achieve is the limited channel…

应用物理 · 物理学 2019-01-17 Philipp del Hougne , Mathias Fink , Geoffroy Lerosey

Dynamic multipliers can be used to guarantee the stability of Lurye systems with slope-restricted nonlinearities, but give no guarantee that the closed-loop system has finite incremental gain. We show that multipliers guarantee the…

系统与控制 · 电气工程与系统科学 2026-01-01 William Paul Heath , Sayar Das , Joaquin Carrasco

We consider arbitrary dense wireless networks, in which $n$ nodes are placed in an arbitrary (deterministic) manner on a square region of unit area and communicate with each other over Gaussian fading channels. We provide inner and outer…

信息论 · 计算机科学 2011-08-09 Urs Niesen

This paper addresses, for the first time, the uplink performance optimization of multi-user pinching-antenna (PA) systems, recently developed for next-generation wireless networks. By leveraging the unique capabilities of PAs to dynamically…

Simultaneous transmission of information and power over a point-to-point flat-fading complex Additive White Gaussian Noise (AWGN) channel is studied. In contrast with the literature that relies on an inaccurate linear model of the energy…

信息论 · 计算机科学 2017-06-01 Morteza Varasteh , Borzoo Rassouli , Bruno Clerckx

The dynamical excitation of asteroids due to mean motion resonant interactions with planets is enhanced when their parent star leaves the main sequence. However, numerical investigation of resonant outcomes within post-main-sequence…

地球与行星天体物理 · 物理学 2022-11-30 Dimitri Veras , Nikolaos Georgakarakos , Ian Dobbs-Dixon

Achieving reliable communication over different channels and modes is one of the main goals of Mode Division Multiplexing-Wavelength Division Multiplexing (MDM-WDM) communication networks. The reliability can be described by minimum Signal…

信号处理 · 电气工程与系统科学 2021-07-27 Mohammad Ali Amirabadi , Mohammad Hossein Kahaei , S. Alireza Nezamalhosseini

We consider wireless networks that can be modeled by multiple access channels in which all the terminals are equipped with multiple antennas. The propagation model used to account for the effects of transmit and receive antenna correlations…

信息论 · 计算机科学 2010-11-24 E. V. Belmega , S. Lasaulce , M. Debbah , M. Jungers , J. Dumont

This paper describes a receiver that uses an innovative method to predict, according to history of receiver operating metrics (packet lost/well received), the optimum automatic gain control (AGC) index or most appropriate variable gain…

网络与互联网体系结构 · 计算机科学 2024-04-24 Morgane Joly , Fabian Rivière , Éric Renault

The notion that Stimulated Brillouin Scattering (SBS) is primarily defined by bulk material properties has been overturned by recent work on nanoscale waveguides. It is now understood that boundary forces of radiation pressure and…

光学 · 物理学 2015-10-21 Nathan Dostart , Seunghwi Kim , Gaurav Bahl