Wireless Networks (Computer Science)
Reception of Multiple Users in Reconfigurable Wireless Networks
... the wireless channel to every user, ...dynamic networks such as the Near-Far problem, Hidden and exposed terminals interference, ...reconfigurable wireless networks (RWNs) due to its ...
141
Metodología para la gestión de conocimiento para el proceso de soporte y mantenimiento de la empresa Speed Wireless Networks
... El presente trabajo de investigación inicia con un estudio exploratorio [47], que permite familiarizarse con los modelos y los diferentes aspectos que involucran la gestión de conocimiento a nivel mundial, conocer como ...
106
Wireless networks in industrial environments: state of the art and issues
... view, wireless networks use a lot of underlying mobile communications technologies benefiting from digital signal transmission ...different wireless standards with their respective frequencies and ...
16
Wireless networks study for real-time fruit logistics monitoring
... Xbee motes could be a good solution for wireless monitoring in refrigerated industrial environments, because the rate of lost packets inside the cargo (0.26%) is always lower than that of Xbow (4.74%). For the ...
11
Codificación para redes inalámbricas de siguiente generaciónCoding for next generation wireless networks
... In the second part of the chapter, we propose a coding scheme called Quasi-Orthogonal Space-Time-Frequency Trellis Codes (QOSTFTCs), where we systematically combine a Quasi-Orthogonal Sp[r] ...
138
Design of in-building wireless networks deployments using evolutionary algorithms
... includes a quality constraint of the indoor deploy- ment. This objective function evaluates the area of the enterprise scenario with simultaneous cov- erage of the minimum number of bas[r] ...
19
Lib – Community Wireless Networks as Situated Advocacy – VVAA – 2009
... In spite of the haphazard way that cwns lurch along, they can play a role that no other constellation in ict can. Post-Katrina, dozens of vol- unteers involved in cwns across North America dropped what they were doing, ...
103
Design and deployment of wireless networks for drones control
... General Characteristics: Operates in 2.4 GHz ISM band using Frequency-Hopping 1 MHz bandwidth per channel, all together more than 79 FH channels. ISM channel is an licensed band so that it can guarantee avoiding the ...
66
A survey on wireless ad hoc networks
... a wireless ad hoc network has to take into account several in- teresting and difficult ...Traditional wireless communication problems related to the physical medium, such as low transmission rate, high bit ...
33
Reliability in Wireless Sensor Networks for Environment Monitoring
... sensor networks are even more severe. The wireless communication standards usually consist of a set of discrete channels, allowing multiple wireless networks operating on the same frequency ...
7
A Performance Comparison of Virtual Backbone Formation Algorithms for Wireless Mesh Networks
... Currently wireless networks are dominant by star topology ...towards wireless mesh multi-hop ...mesh networks both theoretically and through ...
8
Energy efficient maximization for wireless sensor networks
... The wireless sensor network is quite different from the traditional wireless networks ...less networks. The data rate and mobility in the wireless sensor network are ...most ...
8
Improving target localization accuracy of wireless visual sensor networks
... Ryan et al. [11] used a set of two cameras to localize the sensor nodes of a wireless sensor networks. However, they estimated the location of a target using their non-imaging sensors. Liu et al. [1] ...
6
Forward-link throughput optimization for wireless cellular packet data networks
... a wireless channel passing through the cellular ...Cellular networks use a scheme called handoff to minimize signal breakup as a mobile user migrates from one cell to ...
7
ISPCell: an interactive image-based streaming protocol for wireless cellular networks
... efficient wireless transport protocols have yet to be ...over wireless cellular networks has several interesting applications, and it imposes some unsolved is- ...
12
Cross-layer designs for energy efficient wireless body area networks: a review
... common types, then WBANs should have a strong structure to support traffic differentiation and prioritization while providing a guarantee and reliable service with the lowest latency close to real-time operation (125ms ...
21
Wireless Sensor Networks for Multiparametric Monitoring in Equatorian Tomato Greenhouses
... ZigBee wireless technology with hierarchical cluster topology, and the energy savings of the nodes was achieved through the routing and energy conservation protocol for WSN, called Equalized Cluster Head Election ...
184
Cognitive strategies for reducing energy consumption in wireless sensor networks
... Cognitive Wireless Sensor Networks (CWSNs) do not only increase the reliability of communications, but they also have a positive impact on parameters such as the Quality of Service (QoS), network security, ...
215
Applications for wireless sensor networks : tracking with binary proximity sensors
... Different WSN protocols were reviewed and, in summary, Bluetooth and ZigBee are the most suitable ones for low data rate applications with limited battery power (such as mobile devices and battery-operated sensor ...
87