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Unmanned Aerial Vehicles (UAVs), commonly known as drones, have experienced expanding use in urban environments in recent years. However, the growing density of drones raises significant challenges, such as avoiding collisions and managing…

网络与互联网体系结构 · 计算机科学 2025-09-30 Zhouyu Qu , Andreas Willig , Xiaobing Wu

Reconfigurable intelligent surfaces (RISs) have recently received widespread attention in the field of wireless communication. An RIS can be controlled to reflect incident waves from the transmitter towards the receiver; a feature that is…

信息论 · 计算机科学 2021-09-15 Jiangfeng Hu , Haifan Yin , Emil Björnson

In the rapidly growing development of the Internet of Things (IoT) infrastructure, achieving reliable wireless communication is a challenge. IoT devices operate in diverse environments with common signal interference and fluctuating channel…

机器学习 · 计算机科学 2024-05-22 Samrah Arif , Muhammad Arif Khan , Sabih Ur Rehman

The global navigation satellite system (GNSS) continues to evolve in order to meet the demands of emerging applications such as autonomous driving and smart environmental monitoring. However, these advancements are accompanied by a rise in…

信号处理 · 电气工程与系统科学 2025-11-03 Leatile Marata , Mariona Jaramillo-Civill , Tales Imbiriba , Petri Välisuo , Heidi Kuusniemi , Elena Simona Lohan , Pau Closas

In this study, we propose a low-cost and portable millimeter-wave software-defined radio (SDR) for wireless experimentation in the 60 GHz band. The proposed SDR uses Xilinx RFSoC2x2 and Sivers EVK06002 homodyne transceiver and provides a…

信号处理 · 电气工程与系统科学 2023-02-17 Alphan Şahin , Mihail L. Sichitiu , İsmail Guvenç

The concept of cross-layer optimization has been around for several years now. The primary goal of the cross-layer approach was to liberate the strict boundary between the layers of the traditional OSI protocol stack. This is to enable…

网络与互联网体系结构 · 计算机科学 2021-10-05 Jithin Jagannath , Anu Jagannath , Justin Henney , Noor Biswas , Tyler Gwin , Zackary Kane , Andrew Drozd

RIS-aided millimeter wave wireless systems benefit from robustness to blockage and enhanced coverage. In this paper, we study the ability of RIS to also provide enhanced localization capabilities as a by-product of communication. We…

信号处理 · 电气工程与系统科学 2022-03-28 Murat Bayraktar , Joan Palacios , Nuria González-Prelcic , Charlie Jianzhong Zhang

In this paper, we propose an efficient acquisition scheme for GPS receivers. It is shown that GPS signals can be effectively sampled and detected using a bank of randomized correlators with much fewer chip-matched filters than those used in…

信息论 · 计算机科学 2011-07-20 Xiao Li , Andrea Rueetschi , Yonina C. Eldar , Anna Scaglione

Interference mitigation is a major design challenge in wireless systems,especially in the context of ultra-reliable low-latency communication (URLLC) services. Conventional average-based interference management schemes are not suitable for…

信息论 · 计算机科学 2020-09-22 Nurul Huda Mahmood , Onel Alcaraz Lopez , Hirley Alves , Matti Latva-aho

Intelligent reflecting surface (IRS) is of low-cost and energy-efficiency and will be a promising technology for the future wireless communications like sixth generation. To address the problem of conventional directional modulation (DM)…

信息论 · 计算机科学 2020-08-13 Feng Shu , Jiayu Li , Mengxing Huang , Weiping Shi , Yin Teng , Jun Li , Yongpeng Wu , Jiangzhou Wang

The rapid development of technology has led to an increase in the number of devices that rely on position, velocity, and time (PVT) information to perform their functions. As such, the Global Navigation Satellite Systems (GNSS) have been…

信号处理 · 电气工程与系统科学 2025-11-04 Leatile Marata , Juhani Sankari , Eslam Eldeeb , Mikko Valkama , Elena Simona Lohan

Conventional active array radars often jointly design the transmit and receive beamforming for effectively suppressing interferences. To further promote the interference suppression performance, this paper introduces a reconfigurable…

信号处理 · 电气工程与系统科学 2024-01-30 Shengyao Chen , Qi Feng , Longyao Ran , Feng Xi , Zhong Liu

This paper investigates the achievable sum rate of multiple-input multiple-output (MIMO) wireless systems employing linear minimum mean-squared error (MMSE) receivers. We present a new analytic framework which unveils an interesting…

信息论 · 计算机科学 2009-03-05 Matthew R. McKay , Iain B. Collings , Antonia M. Tulino

In this work we propose an approximate Minimum Mean-Square Error (MMSE) filter for linear dynamic systems with Gaussian Mixture noise. The proposed estimator tracks each component of the Gaussian Mixture (GM) posterior with an individual…

系统与控制 · 计算机科学 2015-06-26 Leila Pishdad , Fabrice Labeau

Spectrum monitoring and interference detection are crucial for the satellite service performance and the revenue of SatCom operators. Interference is one of the major causes of service degradation and deficient operational efficiency.…

信号处理 · 电气工程与系统科学 2019-12-11 Lissy Pellaco , Nirankar Singh , Joakim Jaldén

Multipath and non-line-of-sight (NLOS) signals are the major causes of poor accuracy of a global navigation satellite system (GNSS) in urban areas. Despite the wide usage of the GNSS in populated urban areas, it is difficult to suggest a…

系统与控制 · 电气工程与系统科学 2022-06-10 Yongjun Lee , Yoola Hwang , Jae Young Ahn , Jiwon Seo , Byungwoon Park

SDR (Software Defined Radio) provides flexible, reproducible, and longer-lasting radio tools for military and civilian wireless communications infrastructure. SDR is a radio communication system whose components are implemented as software.…

网络与互联网体系结构 · 计算机科学 2025-06-24 Mehmet Kaan Erol , Eyup Emre Ulku

We investigate inter-satellite cooperative transmission in a multiple low-Earth orbit (LEO) satellite communication system to enhance spectral efficiency. Specifically, we design multiple-input multipleoutput (MIMO) precoding at LEO…

信号处理 · 电气工程与系统科学 2025-08-18 Sangwon Jo , Seok-Hwan Park

We consider a secure communication scenario through the two-user Gaussian interference channel: each transmitter (user) has a confidential message to send reliably to its intended receiver while keeping it secret from the other receiver.…

信息论 · 计算机科学 2016-04-26 Parisa Babaheidarian , Somayeh Salimi , Panos Papadimitratos

The advent of Reconfigurable Intelligent Surfaces (RISs) in wireless communication networks unlocks the way to support high frequency radio access (e.g. in millimeter wave) while overcoming their sensitivity to the presence of deep fading…

信息论 · 计算机科学 2022-05-31 Fatima Ezzahra Airod , Mattia Merluzzi , Paolo Di Lorenzo , Emilio Calvanese Strinati