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Recent research has demonstrated the importance of boundary effects on the overall connection probability of wireless networks, but has largely focused on convex domains. We consider two generic scenarios of practical importance to wireless…

Information Theory · Computer Science 2014-03-06 Mohammud Z. Bocus , Carl P. Dettmann , Justin P. Coon , Mohammed R. Rahman

High-rank line-of-sight (LOS) MIMO systems have attracted considerable attention for millimeter wave and THz communications. The small wavelengths in these frequencies enable spatial multiplexing with massive data rates at long distances.…

Signal Processing · Electrical Eng. & Systems 2023-04-18 Yaqi Hu , Mingsheng Yin , Sundeep Rangan , Marco Mezzavilla

We develop a deterministic ab-initio model for the input-output relationship of a multiple-input multiple-output (MIMO) wireless channel, starting from the Maxwell equations combined with Ohm's Law. The main technical tools are scattering…

Information Theory · Computer Science 2015-10-28 Francois Bentosela , Horia D. Cornean , Bernard Fleury , Nicola Marchetti

Massive MIMO is a new technique for wireless communications that claims to offer very high system throughput and energy efficiency in multi-user scenarios. The cost is to add a very large number of antennas at the base station. Theoretical…

Information Theory · Computer Science 2015-07-23 Àlex Oliveras Martínez , Elisabeth De Carvalho , Jesper Ødum Nielsen

Emerging wireless communication systems will be characterized by a tight coupling between communication and positioning. This is particularly apparent in millimeter-wave (mm-wave) communications, where devices use a large number of antennas…

Information Theory · Computer Science 2017-05-17 Gabriel E. Garcia , Gonzalo Seco-Granados , Eleftherios Karipidis , Henk Wymeersch

The problem of electromagnetic pulses propagation in plasma was studied in connection with various problems of radio engineering and radar systems. The description of propagation such signals is based on exactly solvable problems for…

Optics · Physics 2015-11-27 P. A. Golovinski , V. A. Astapenko , E. S. Manuylovich

In this work, we propose a general framework for wireless imaging in distributed MIMO wideband communication systems, considering multi-view non-isotropic targets and near-field propagation effects. For indoor scenarios where the objective…

Signal Processing · Electrical Eng. & Systems 2025-08-26 Kangda Zhi , Tianyu Yang , Shuangyang Li , Yi Song , Amir Rezaei , Giuseppe Caire

We develop a simple and reliable analytical model that allows describing the electromagnetic response of all-dielectric metasurfaces consisting of a single-layer array of high-permittivity spherical particles. By combining Mie theory with a…

Classical Physics · Physics 2020-12-21 Alessio Monti , Andrea Alù , Alessandro Toscano , Filiberto Bilotti

Intelligent reflecting surfaces can improve the communication between a source and a destination. The surface contains metamaterial that is configured to "reflect" the incident wave from the source towards the destination. Two incompatible…

Applied Physics · Physics 2019-12-17 Özgecan Özdogan , Emil Björnson , Erik G. Larsson

The proliferation of large multi-antenna configurations operating in high frequency bands has recently challenged the conventional far-field, rich-scattering paradigm of wireless channels. Extra large antenna arrays must usually work in the…

Information Theory · Computer Science 2024-10-14 Adrian Agustin , Xavier Mestre

As a means to control wireless propagation environments, the use of emerging and novel intelligent reflecting surfaces (IRS) is envisioned to enhance and broaden many applications in future wireless networks. This paper is concerned with a…

Signal Processing · Electrical Eng. & Systems 2020-03-23 Dian-Wu Yue , Ha H. Nguyen , Yu Sun

The inclusion of material identification in wireless communication system is an emerging area that offers many opportunities for 6G systems. By using reflected radio wave to determine the material of reflecting surface, not only the…

Information Theory · Computer Science 2022-01-25 Yi Geng

Next generation wireless base stations and access points will transmit and receive using extremely massive numbers of antennas. A promising technology for realizing such massive arrays in a dynamically controllable and scalable manner with…

Signal Processing · Electrical Eng. & Systems 2020-06-17 Nir Shlezinger , George C. Alexandropoulos , Mohammadreza F. Imani , Yonina C. Eldar , David R. Smith

In terms of complex radio environments especially in dense urban areas, a very interesting topic is considered - the utilization of reconfigurable intelligent surfaces. Basically, based on simple controls of the angle of reflection of the…

Networking and Internet Architecture · Computer Science 2024-02-29 Łukasz Kułacz

The recent development of metasurfaces has motivated their potential use for improving the performance of wireless communication networks by manipulating the propagation environment through nearly-passive sub-wavelength scattering elements…

Information Theory · Computer Science 2024-10-28 Hongliang Zhang , Shuhao Zeng , Boya Di , Yunhua Tan , Marco Di Renzo , Merouane Debbah , Lingyang Song , Zhu Han , H. Vincent Poor

The IEEE Signal Processing Society is proud to announce the eighth edition of the Signal Processing Cup: an exciting challenge to control a wireless propagation environment using an intelligent reflecting surface. An intelligent reflecting…

Signal Processing · Electrical Eng. & Systems 2021-06-08 Emil Björnson

The "near-field" propagation modeling of wireless channels is necessary to support sixth-generation (6G) technologies, such as intelligent reflecting surface (IRS), that are enabled by large aperture antennas and higher frequency carriers.…

Information Theory · Computer Science 2024-03-12 Navneet Agrawal , Ehsan Tohidi , Renato L. G. Cavalcante , Sławomir Stańczak

This work investigates the temporal dispersion of a wireless terahertz communication signal caused by reflection from a rough (diffuse) surface, and its subsequent impact on symbol error rate versus data rate. Broadband measurements of…

Signal Processing · Electrical Eng. & Systems 2021-04-02 Russ Messenger , Karl Strecker , Sabit Ekin , John O'Hara

This work tackles the challenging task of achieving real-time novel view synthesis for reflective surfaces across various scenes. Existing real-time rendering methods, especially those based on meshes, often have subpar performance in…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Chaojie Ji , Yufeng Li , Yiyi Liao

This paper provides an analysis of radio wave scattering for frequencies ranging from the microwave to the Terahertz band (e.g., 1 GHz - 1 THz), by studying the scattering power reradiated from various types of materials with different…