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The millimeter-wave bands have been attracting significant interest as a means to achieve major improvements in data rates and network efficiencies. One significant limitation for use of the millimeter-wave bands for cellular communication…

Networking and Internet Architecture · Computer Science 2015-12-10 Murali Narasimha , Hossein Bagheri

Millimeter-Wave (mm-Wave) frequency bands provide an opportunity for much wider channel bandwidth compared with the traditional sub-6 GHz band. Communication at mm-Waves is, however, quite challenging due to the severe propagation path…

Information Theory · Computer Science 2017-10-19 Xiaoshen Song , Saeid Haghighatshoar , Giuseppe Caire

An urban tactical wireless network is considered wherein the base stations are situated on unmanned aerial vehicles (UAVs) that provide connectivity to ground assets such as vehicles located on city streets. The UAVs are assumed to be…

Information Theory · Computer Science 2021-11-02 Enass Hriba , Matthew C. Valenti , Robert W. Heath

The surge in mobile broadband data demands is expected to surpass the available spectrum capacity below 6 GHz. This expectation has prompted the exploration of millimeter wave (mm-wave) frequency bands as a candidate technology for next…

Information Theory · Computer Science 2017-12-21 Yahia Shabara , C. Emre Koksal , Eylem Ekici

This study examines analog beamforming designs utilizing multi-panel arrays for millimeter-wave (mmWave) communication systems under stochastic path blockages where each panel is an integrated circuit that includes power amplifiers, a…

Signal Processing · Electrical Eng. & Systems 2025-03-10 Kanta Terui , Kabuto Arai , Koji Ishibashi

Ultra-narrowband (UNB) communications has become a signature feature for many emerging low-power wide-area (LPWA) networks. Specifically, using extremely narrowband signals helps the network connect more Internet-of-things (IoT) devices…

Signal Processing · Electrical Eng. & Systems 2020-07-22 Ghaith Hattab , Petar Popovski , Danijela Cabric

The surge in mobile broadband data demands is expected to surpass the available spectrum capacity below $6$ GHz. This expectation has prompted the exploration of millimeter wave (mm-wave) frequency bands as a candidate technology for next…

Information Theory · Computer Science 2018-05-31 Yahia Shabara , C. Emre Koksal , Eylem Ekici

In order to cope with the severe path loss, millimeter-wave (mm-wave) systems exploit highly directional communication. As a consequence, even a slight beam misalignment between two communicating devices (for example, due to mobility) can…

Networking and Internet Architecture · Computer Science 2016-12-26 Joan Palacios , Danilo De Donno , Joerg Widmer

Millimeter-wave (mmWave) communication is considered as a key enabler of ultra-high data rates in the future cellular and wireless networks. The need for directional communication between base stations (BSs) and users in mmWave systems,…

Signal Processing · Electrical Eng. & Systems 2020-11-04 Sara Khosravi , Hossein S. Ghadikolaei , Marina Petrova

Due to the rapid densification of small cells in 5G and beyond cellular networks, deploying wired high-bandwidth connections to every small cell base station is difficult, particularly in older metropolitan areas where infrastructure for…

Networking and Internet Architecture · Computer Science 2020-10-27 Yuchen Liu , Qiang Hu , Douglas M. Blough

The millimeter-wave (mmWave) communication is envisioned to provide orders of magnitude capacity improvement. However, it is challenging to realize a sufficient link margin due to high path loss and blockages. To address this difficulty, in…

Information Theory · Computer Science 2021-03-04 Wei Feng , Yanmin Wang , Dengsheng Lin , Ning Ge , Jianhua Lu , Shaoqian Li

A novel coding design is proposed to enhance information retrieval in a wireless network of users with partial access to the data, in the sense of observation, measurement, computation, or storage. Information exchange in the network is…

Information Theory · Computer Science 2024-02-02 Milad Abolpour , MohammadJavad Salehi , Soheil Mohajer , Seyed Pooya Shariatpanahi , Antti Tölli

Unmanned aerial vehicles (UAVs), as aerial base stations, are a promising solution for providing wireless communications, thanks to their high flexibility and autonomy. Moreover, emerging services, such as extended reality, require…

Information Theory · Computer Science 2021-04-28 Javad Sabzehali , Vijay K. Shah , Harpreet S. Dhillon , Jeffrey H. Reed

Unmanned aerial vehicles (UAVs) offer dynamic trajectory control, enabling them to avoid obstacles and establish line-of-sight (LoS) wireless channels with ground nodes (GNs), unlike traditional ground-fixed base stations. This study…

Information Theory · Computer Science 2025-01-07 Gitae Park , Kanghyun Heo , Kisong Lee

RF sensing exploits phase-sensitive measurements of stray electromagnetic (EM) fields from wireless devices across various frequency bands to detect EM blockage and to reconstruct and map the surrounding environment in 2D/3D. Although…

Signal Processing · Electrical Eng. & Systems 2026-04-14 Stefano Savazzi , Fabio Paonessa , Sanaz Kianoush , Alessandro Nordio , Giuseppe Virone

Location-aware communication systems are expected to play a pivotal part in the next generation of mobile communication networks. Therefore, there is a need to understand the localization limits in these networks, particularly, using…

Information Theory · Computer Science 2018-11-29 Zohair Abu-Shaban , Xiangyun Zhou , Thushara Abhayapala , Gonzalo Seco-Granados , Henk Wymeersch

In this paper, a new framework for optimizing the resource allocation in a millimeter-wave-non-orthogonal multiple access (mmWave-NOMA) communication for crowded venues is proposed. MmWave communications suffer from severe blockage caused…

Signal Processing · Electrical Eng. & Systems 2020-10-13 Foad Barghikar , Foroogh S. Tabataba , Mehdi Naderi Soorki

We present a tracking algorithm to maintain the communication link between a base station (BS) and a mobile station (MS) in a millimeter wave (mmWave) communication system, where antenna arrays are used for beamforming in both the BS and…

Information Theory · Computer Science 2016-12-19 Kang Gao , Mingming Cai , Ding Nie , Bertrand Hochwald , J. Nicholas Laneman , Huang Huang , Kunpeng Liu

Millimeter wave (mmWave) communications are vulnerable to blockages and node mobility due to the highly directional signal beams. The emerging Reconfigurable Intelligent Surfaces (RISs) technique can effectively mitigate the blockage…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Xiaowen Tian , Zhi Sun

This paper introduces a novel method for predicting blockages in millimeter-wave (mmWave) communication systems towards enabling reliable connectivity. It employs a self-supervised learning approach to label radio frequency (RF) data with…

Signal Processing · Electrical Eng. & Systems 2024-12-25 Rafaela Scaciota , Malith Gallage , Sumudu Samarakoon , Mehdi Bennis