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Backscatter communication is a hot candidate for future IoT systems. It offers the possibility for connectivity with tiny amounts of energy that can be easily obtained from energy harvesting. This is possible as backscatter devices do not…

Information Theory · Computer Science 2023-06-29 Clemens Korn , Jörg Robert , Tobias Dräger

The integrated design of communication and sensing may offer a potential solution to address spectrum congestion. In this work, we develop a beamforming method for a dual-function radar-communication system, where the transmit signal is…

Signal Processing · Electrical Eng. & Systems 2025-08-07 Hossein Maleki , Carles Diaz-Vilor , Ali Pezeshki , Vahid Tarokh , Hamid Jafarkhani

In this paper, we discuss a non-orthogonal multiple access (NOMA) scheme to exploit a high diversity gain using repetition, namely repetition-based NOMA. Unlike conventional power-domain NOMA, all the users can have the same transmit power,…

Information Theory · Computer Science 2020-04-03 Jinho Choi

Backscatter communication is a promising technology to enhance the signal strength received by the receiver in straight tunnel environments. The impact of the number of tags and their phase adjustment on system performance remains a…

Signal Processing · Electrical Eng. & Systems 2026-01-06 Yunping Mu , Gongpu Wang , Ruisi He , Theodoros A. Tsiftsis , Saman Atapattu , Chintha Tellambura

Using a large deviations approach we calculate the probability distribution of the mutual information of MIMO channels in the limit of large antenna numbers. In contrast to previous methods that only focused at the distribution close to its…

Information Theory · Computer Science 2016-11-18 P. Kazakopoulos , P. Mertikopoulos , A. L. Moustakas , G. Caire

This letter presents a detailed performance analysis of the intelligent reflecting surface (IRS) aided single-input single-output communication systems, taking into account of the direct link between the transmitter and receiver. A…

Information Theory · Computer Science 2020-08-04 Qin Tao , Junwei Wang , Caijun Zhong

Predictor antenna (PA) system is referred to as a system with two sets of antennas on the roof of a vehicle, where the PAs positioned in the front of the vehicle are used to predict the channel state observed by the receive antennas (RAs)…

Information Theory · Computer Science 2020-05-13 Hao Guo , Behrooz Makki , Tommy Svensson

We calculate the diffusion coefficient of an active tracer in a schematic crowded environment, represented as a lattice gas of passive particles with hardcore interactions. Starting from the master equation of the problem, we put forward a…

Statistical Mechanics · Physics 2022-02-02 Pierre Rizkallah , Alessandro Sarracino , Olivier Bénichou , Pierre Illien

Measurements of a scalar linear Gauss-Markov process are sent over a fading channel. The fading channel is modeled as independent and identically distributed random variables with known realization at the receiver. The optimal estimator at…

Information Theory · Computer Science 2014-10-20 Reza Parseh , Kimmo Kansanen

The research presents the closed-form outage analysis of the newly presented $\alpha$-modification of the shadowed Beaulieu-Xie fading model for wireless communications. For the considered channel, the closed-form analytical expressions for…

Signal Processing · Electrical Eng. & Systems 2024-02-12 Aleksey S. Gvozdarev

The outage performance of multiple-input multiple-output (MIMO) technique has received intense attention in order to ensure the reliability requirement for mission-critical machine-type communication (cMTC) applications. In this paper, the…

Information Theory · Computer Science 2020-07-07 Guanghua Yang , Huan Zhang , Zheng Shi , Shaodan Ma , Hong Wang

This paper studies the outage capacity of a network consisting of a multitude of heterogenous mobile users, and operating according to the classical opportunistic beamforming framework. The base station is located at the center of the cell,…

Information Theory · Computer Science 2013-09-27 Tharaka Samarasinghe , Hazer Inaltekin , Jamie Evans

The free-space optical channel has the potential to facilitate inexpensive, wireless communication with fiber-like bandwidth under short deployment timelines. However, atmospheric effects can significantly degrade the reliability of a…

Information Theory · Computer Science 2008-04-02 Nick Letzepis , Albert Guillen i Fabregas

This paper provides a comprehensive analysis and theoretical foundation for next-generation backscatter networks that move beyond communication and integrate RF location sensing capabilities. An end-to-end system model for wideband OFDM…

Opportunistic relaying is a simple yet efficient cooperation scheme that achieves full diversity and preserves the spectral efficiency among the spatially distributed stations. However, the stations' mobility causes temporal correlation of…

Information Theory · Computer Science 2010-05-06 Zoran Hadzi-Velkov , Nikola Zlatanov

We present an isogeometric analysis of time-harmonic exterior acoustic problems. The infinite space is truncated by a fictitious boundary and (simple) absorbing boundary conditions are applied. The truncation error is included in the exact…

Computational Physics · Physics 2016-10-07 Tahsin Khajah , Xavier Antoine , Stéphane P. A. Bordas

Power system outages expose market participants to significant financial risk unless promptly detected and hedged. We develop an outage identification method from public market signals grounded in the parametric quickest change detection…

Systems and Control · Electrical Eng. & Systems 2026-01-21 Milad Hoseinpour , Shubhanshu Shekhar , Vladimir Dvorkin

This paper addresses the problem of distributed state estimation via multiple access channels (MACs). We consider a scenario where two encoders are simultaneously communicating their measurements through a noisy channel. Firstly, the…

Systems and Control · Electrical Eng. & Systems 2022-12-23 Ghassen Zafzouf , Girish N. Nair , Farhad Farokhi

This letter puts forth an analytical approach to evaluate the outage probability of power-based NOMA on the uplink of a 5G cell, the outage being defined as the event where the receiver fails to successfully decode all the simultaneously…

Information Theory · Computer Science 2017-07-06 Maria Luisa Merani

This paper investigates the passive detection problem in multi-static integrated sensing and communication (ISAC) systems, where multiple sensing receivers (SRs) jointly detect a target using random unknown communication signals transmitted…

Information Theory · Computer Science 2025-06-10 Renjie He , Yiqiu Wang , Meixia Tao , Shu Sun