Sfoglia per Soggetto "Wireless communications"
Items 1-20 di 24
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Asymptotically optimal policies for wireless networks with rechargeable batteries
(2008)We consider the problem of cross-layer resource allocation for single-hop, time-varying, wireless networks operating with rechargeable batteries under general arrival, channel and recharge processes. The objective is to ... -
Cascaded Composite Turbulence and Misalignment: Statistical Characterization and Applications to Reconfigurable Intelligent Surface-Empowered Wireless Systems
(2022)Reconfigurable intelligent surfaces (RISs) empowered high-frequency wireless systems are expected to become the supporting pillar for several reliability and data rate hungry applications. Such systems are, however, sensitive ... -
Contention and traffic load-aware association in IEEE 802.11 WLANs: Algorithms and implementation
(2011)Efficient association of a station with the appropriate access point has always been a challenging problem. The standard approach of considering only the Received Signal Strength, has recently been substituted by more ... -
Distributed caching algorithms in the realm of layered video streaming
(2019)Distributed caching architectures have been proposed for bringing content close to requesters, and the key problem is to design caching algorithms for reducing content delivery delay, which determines to an extent the user ... -
An Efficient Localization and Avoidance Method of Jammers in Vehicular Ad Hoc Networks
(2022)Jamming is a terrifying attack that could harm 802.11p-based vehicular communications by occupying the communication channels by overwhelming the network with jamming packets, especially for self-driving cars, as it is ... -
Exploiting Caching and Multicast for 5G Wireless Networks
(2016)The landscape toward 5G wireless communication is currently unclear, and, despite the efforts of academia and industry in evolving traditional cellular networks, the enabling technology for 5G is still obscure. This paper ... -
Fast power-up active link protection in autonomous distributed transmitter power control
(2008)In this work, we propose an enhancement to the DPC/ALP (Distributed Power Control with Active Link Protection) algorithm that allows fast power ramp-up without compromising the ALP guarantee. The original DPC algorithm was ... -
Flow-Control Policies for Wireless Sequencer-Based Causal and Total Order Communication
(2015)Many embedded wireless systems can benefit from causal and totally ordered communication (CATOC) in order to achieve reliability and logical consistency at the application level. In this paper, we present a sequencer-based ... -
Home assistive system for dementia
(2017)This work proposes an innovative home assisted system, based on the interaction of the stimulus earpiece. It addresses a need of people suffering from dementia as well as their familiars to be recognized by them and have ... -
Intrusion detection system for platooning connected autonomous vehicles
(2019)The deployment of Connected Autonomous Vehicles (CAVs) in Vehicular Ad Hoc Networks (VANETs) requires secure wireless communication in order to ensure reliable connectivity and safety. However, this wireless communication ... -
Joint Estimation of the Number of Antennas and AoA of a Wireless Communication Transmitter
(2022)Estimating various parameters of a wirelessly transmitted information-bearing signal, besides the information itself, is essential for a number of applications (e.g. military finger-printing, localization, radio-astronomy, ... -
Joint Wireless Resource and Computation Offloading Optimization for Energy Efficient Internet of Vehicles
(2022)The Internet of Vehicles (IoV) is an emerging paradigm, which is expected to be an integral component of beyond-fifth-generation and sixth-generation mobile networks. However, the processing requirements and strict delay ... -
MEC-Assisted panoramic VR video streaming over millimeter wave mobile networks
(2019)Panoramic virtual reality video (PVRV) is becoming increasingly popular since it offers a true immersive experience. However, the ultra-high resolution of PVRV requires significant bandwidth and ultra-low latency for PVRV ... -
Mixed THz/FSO Relaying Systems: Statistical Analysis and Performance Evaluation
(2022)In this paper, the performance of a mixed Terahertz/free-space optical (THz/FSO) wireless transmission system is studied, where the joint effects of channel fading and pointing errors are considered for both THz and FSO ... -
A modular simulation environment for multiple UAVs with virtual WiFi and sensing capability
(2018)Experiments with real unmanned aerial vehicles (UAVs) need considerable preparation, raise safety concerns, often require official flight permissions by authorities, and can be very costly in case of hardware or software ... -
New channel allocation techniques for power efficient WiFi networks
(2010)Energy efficiency becomes evergreen than ever before. Over the last few years a significant research in wireless communications, aiming to enhance communications efficiency subject to constraint of power consumption, has ... -
A note on preemptive scheduling of multiclass jobs with geometric service times and hard deadlines
(2013)We consider the scheduling of multiclass jobs with deadlines to the completion of their service. Deadlines are deterministic and job arrivals in each class occur at the times of deadline expirations in the respective class. ... -
Online assessment of sensing performance in experimental spectrum sensing platforms
(2014)Dynamic Spectrum Access aims at exploiting underutilized frequency bands towards improving wireless network performance. In this context, spectrum sensing is employed, in order to monitor spectrum occupancy and drive ... -
Performance Analysis of Multi-Reconfigurable Intelligent Surface-Empowered THz Wireless Systems
(2022)In this paper, we introduce a theoretical framework for analyzing the performance of multi-reconfigurable intelligence surface (RIS) empowered terahertz (THz) wireless systems subject to turbulence and stochastic beam ... -
RF Jamming Classification Using Relative Speed Estimation in Vehicular Wireless Networks
(2021)Wireless communications are vulnerable against radio frequency (RF) interference which might be caused either intentionally or unintentionally. A particular subset of wireless networks, Vehicular Ad-hoc NETworks (VANET), ...