Browsing by Subject "Protocols de xarxes d'ordinadors"
Now showing items 1-20 of 379
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A fault-tolerant algorithm for distributed resource allocation
(2017-11-01)
Article
Open AccessResource allocation is a usual problem that must be faced during a distributed system design. Despite the large number of algorithms proposed in literature to solve this problem, most papers lack of detailed descriptions ... -
A flexible protocol communications approach for a supervisory system
(Institute for Communication Technology Management (CTM), 1989)
Conference report
Open AccessThis paper deals with the communication protocol intended to control up to 1016 devices of a new supervisory system. It has been conceived in two complementary phases. The first one (Cycle-A) is intended to inform the ... -
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 new MAC approach in wireless body sensor networks for health care
(INTECH, 2011-02)
Part of book or chapter of book
Open Access -
A Proposal for Inter-domain QoS Rounting Based on Distributed Overlay Entities and QBGP
(2004-09)
Article
Open AccessThis paper proposes a novel and incremental approach to Inter-Domain QoS Routing. Our approach is to provide a completely distributed Overlay Architecture and a routing layer for dynamic QoS provisioning, and to use QoS ... -
A Proposal of modification in Thorup Zwick Routing algorithm for future Internet
(Universitat Politècnica de Catalunya, 2012-07-23)
Master thesis
Open Access[ANGLÈS] The Thorup and Zwick routing scheme (usually referred as TZ scheme) is a very well-known compact routing scheme which aims at reducing the scalability problem of routing in Internet. In this work, we propose a ... -
A proxy design to leverage the interconnection of CoAP wireless sensor networks with web applications
(2015-01-09)
Article
Open AccessIn this paper, we present the design of a Constrained Application Protocol (CoAP) proxy able to interconnect Web applications based on Hypertext Transfer Protocol (HTTP) and WebSocket with CoAP based Wireless Sensor Networks. ... -
A quantitative evaluation of reordering in OBS networks and its impact on TCP performance
(IEEE, 2008)
Conference report
Open AccessThis paper presents a layered framework to measure the reordering introduced by contention resolution strategies in OBS networks. In particular, characterization is based on the reordering metrics proposed by the IETF IPPM ... -
A reliable system for JXTA-Overlay P2P platform considering number of authentic files, security and QoS parameters
(2015)
Conference report
Open AccessThe reliability of peers is very important for safe communication in Peer-to-Peer (P2P) systems. The reliability of a peer can be evaluated based on the reputation and interactions with other peers to provide different ... -
A security framework for JXTA-overlay
(Institute of Electrical and Electronics Engineers (IEEE), 2009)
Conference report
Open AccessAt present time, the maturity of P2P research field has pushed through new problems such us those related with security. For that reason, security starts to become one of the key issues when evaluating a P2P system and it ... -
A simulation system for WSNs as a digital eco-system approach considering goodput metric
(Institute of Electrical and Electronics Engineers (IEEE), 2010)
Conference report
Open AccessSensor networks are a sensing, computing and communication infrastructure that are able to observe and respond to phenomena in the natural environment and in our physical and cyber infrastructure. The sensors themselves ... -
A survey of communication protocols for internet of things and related challenges of fog and cloud computing integration
(2019-01-01)
Article
Open AccessThe fast increment in the number of IoT (Internet of Things) devices is accelerating the research on new solutions to make cloud services scalable. In this context, the novel concept of fog computing as well as the combined ... -
A survey of Opportunistic Network techniques for message forwarding.
(Universitat Politècnica de Catalunya, 2013-11-28)
Master thesis
Open AccessThe aim of this Master Thesis is to present the investigation results of the different routing schemes that are used in opportunistic networks, the so-called opportunistic routing schemes. In special the routing scheme ... -
A taxonomy and survey of SCTP research
(2012-08)
Article
Restricted access - publisher's policyThe Stream Control Transmission Protocol (SCTP) is a relatively recent general-purpose transport layer protocol for IP networks that has been introduced as a complement to the well-established TCP and UDP transport protocols. ... -
A threshold-selective multiuser downlink MAC scheme for 802.11n wireless networks
(2010)
Conference report
Open Access -
A tool for rapid MAC protocols prototyping and designing for wireless sensor networks
(Universitat Politècnica de Catalunya, 2012-09-25)
Master thesis
Open AccessWireless Sensor Networks (WSNs)consists of several resource constrained sensor nodes distributed over an specific geographical area. WSNs are typically energy constraint due to the fact the sensor nodes are battery ... -
ADAPT: An adaptive directional antenna protocol for medium access control in terahertz networks
(Universitat Politècnica de Catalunya, 2020-06)
Bachelor thesis
Open Access
Covenantee: Northeastern UniversityTerahertz (THz) band communications are emerging as a key technology for the next generation of wireless communications, with the potential to realize ultra-broadband Terabit-per-second (Tbps) links. However, the unique ... -
Advanced orchestration services
(Universitat Politècnica de Catalunya, 2009-07-29)
Master thesis
Open Access -
Advancing the interoperability of ocean sensors. Workshop demostration at ocean innovation 2008 congress
(2008-12-01)
Article
Open AccessThe aim of this project is to implement a smart sensor worldwide network based on IEEE 1451 family of standards which can provide multiple interoperable clients to access geospatial and sensor data for national local ...
