Browsing by Subject "Wireless communication systems"
Now showing items 1-20 of 856
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3MRP+: an improved multimetric geographical routing protocol for VANETs
(Association for Computing Machinery (ACM), 2018)
Conference report
Restricted access - publisher's policyThe design of routing protocols in vehicular ad hoc networks (VANETs) is fundamental to achieve a high packets’ delivery ratio. Routing protocols whose operation considers the nodes’ positions use updated routing information ... -
5G Dimensioning And Optimization Through Use Analysis Of A Real Scenario
(Universitat Politècnica de Catalunya, 2023-05-22)
Master thesis
Open AccessMobile networks have become essential to our daily communications. The growth of mobile traffic and users has increased exponentially in recent years, with increasing demands on throughput and latency. To handle this growing ... -
5G Infrastructures supporting end-user and operational services: the 5G-XHaul architectural perspective
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Conference report
Open AccessWe propose an optical-wireless 5G infrastructure offering converged fronthauling/backhauling functions to support both operational and end-user cloud services. A layered architectural structure required to efficiently ... -
5G microwave vs. millimeter-wave MIMO wireless mobile systems
(Universitat Politècnica de Catalunya, 2018-07)
Master thesis
Open AccessThe next generation of wireless systems, 5G, is intended to cover plenty of new emerging applications such as utra-high resolution multimedia systems, industry 4.0, self-driving vehicles and smart cities. All those different ... -
5G NR small cells deployment using Beamforming
(Universitat Politècnica de Catalunya, 2022-05-24)
Master thesis
Open Access
Covenantee: Forsk5G mobile communication systems should bring significant benefits such as lower latency, higher peak and user data rates, connection density and availability. To achieve such benefits beamforming at the base stations and ... -
A centrality-based topology control protocol for wireless mesh networks
(Elsevier, 2015-01-01)
Article
Open AccessNodes in wireless multi-hop networks establish links with their neighbors, which are used for data transmission. In general, in this kind of networks every node has the possibility of acting as a router, forwarding the ... -
A comprehensive method to taxonomize mechanical energy harvesting technologies
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Restricted access - publisher's policyTraditional industry is experiencing a worldwide development with Industry 4.0. Wireless sensor networks (WSNs) have a main role in this revolution as an essential part of data acquisition. The way in which WSNs are powered ... -
A comprehensive study and performance evaluation of commercial VPN gateways and software-defined perimeter in the 5G network
(Universitat Politècnica de Catalunya, 2021-09-09)
Bachelor thesis
Restricted access - confidentiality agreement
Covenantee: Aalto-yliopisto. Sähkötekniikan korkeakoulu -
A context-aware service architecture for the integration of body sensor networks and social networks through IP multimedia subsystem
(2011-01-01)
Article
Restricted access - publisher's policyIn this article a new context-aware architecture is proposed for the integration of body sensor networks and social networks through the IP Multimedia Subsystem. Its motivating application scenarios are described. The ... -
A cross-layer scheduling algorithm for DQCA-based WLAN systems with heterogeneous voice-data traffic
(ieee, 2005-09-30)
Conference lecture
Restricted access - publisher's policyThis paper proposes a cross-layer priority-based scheduling algorithm for WLAN systems using the DQCA MAC protocol where heterogeneous voice-data traffic is present. In this algorithm voice users have always the highest ... -
A dataset to evaluate IEEE 802.15.4g sun for dependable low-power wireless communications in industrial scenarios
(2020-09-01)
Article
Open AccessThis article presents a dataset obtained from the deployment of an IEEE 802.15.4g SUN (Smart Utility Network) single-hop network (11 nodes) in a large industrial scenario (110,044 m 2 ) for a long period of time (99 days). ... -
A deep reinforcement learning approach for optimization and task-offloading of mobile edge computing in virtual radio access networks
(Universitat Politècnica de Catalunya, 2020-10-15)
Master thesis
Open Access
Covenantee: Technische Universiteit EindhovenMobile systems are increasing in number and, in the future, exponential growth is expected with the deployment of new technologies like 5G and Internet of Things. Requirements from those technologies lead to an improvement ... -
A distributed algorithm for topology discovery in software-defined networks
(Springer, 2016)
Conference report
Restricted access - publisher's policyTo ensure a proficient topology discovery service in Software-Defined Networks (SDN), we propose a simple agents-based mechanism to improve the efficiency of the topology discovery process. In this work, an algorithm for ... -
A dual-mode Ultra-Wideband wireless platform for remote patient monitoring systems
(Universitat Politècnica de Catalunya, 2012-07-11)
Master thesis
Open AccessThe combination of two factors demands the need to find a solution that guarantees the well-being of the people suffering from chronic diseases. On the one hand, the increase of the life expectancy leads to an older world's ... -
A fuzzy-based cluster-head selection system for WSNs: a comparison study for static and mobile sensors
(IEEE Press. Institute of Electrical and Electronics Engineers, 2012)
Conference report
Restricted access - publisher's policy -
A GA-based simulation system for WMNs: comparison analysis for different number of flows, client distributions, DCF and EDCA functions
(Springer, 2017-02-04)
Article
Open AccessIn this paper, we compare the performance of Distributed Coordination Function (DCF) and Enhanced Distributed Channel Access (EDCA) for normal and uniform distributions of mesh clients considering two Wireless Mesh Network ... -
A GA-based simulation system for WMNs: performance analysis for different WMN architectures considering transmission rate and OLRS protocol
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Conference report
Open AccessIn this paper, we evaluate the performance of two WMN architectures considering throughput, delay, jitter and fairness index metrics. For simulations, we used ns-3. We compare the performance for two architectures considering ... -
A genetic algorithm-based system for Wireless Mesh Networks: analysis of system data considering different routing protocols and architectures
(Springer, 2016-07-01)
Article
Open AccessWireless mesh networks (WMNs) are attracting a lot of attention from wireless network researchers. Node placement problems have been investigated for a long time in the optimization field due to numerous applications in ... -
A GRASP meta-heuristic for evaluating the latency and lifetime impact of critical nodes in large wireless sensor networks
(Multidisciplinary Digital Publishing Institute, 2019-11-01)
Article
Open AccessWireless Sensor Networks (WSN) have lately been gaining momentum thanks to the hardware improvements and standardization software efforts. Moreover, the appearance of Internet of Things (IoT) and its reliance on sensors ... -
A Kalman-filter approach for dynamic OD estimation in corridors based on bluetooth and Wi-Fi data collection
(2010)
Conference report
Open AccessFrom the point of view of the information supplied by an ATIS to the motorists entering a freeway of one of the most relevant is the Forecasted Travel Time, that is the expected travel time that they will experience when ...
