Browsing by Author "Calveras Augé, Anna M."
Now showing items 1-20 of 78
-
A bluetooth low energy indoor positioning system with channel diversity, weighted trilateration and Kalman filtering
(Multidisciplinary Digital Publishing Institute (MDPI), 2017-12-01)
Article
Open AccessIndoor Positioning Systems (IPS) using Bluetooth Low Energy (BLE) technology are currently becoming real and available, which has made them grow in popularity and use. However, there are still plenty of challenges related ... -
A distributed man-machine dispatching architecture for emergency operations based on 3GPP mission critical services
(Institute of Electrical and Electronics Engineers (IEEE), 2017-12-16)
Article
Open AccessWith the number of non-human devices expected to significantly overtake human users of LTE networks, it is no surprise that First Responders in Mission Critical operations will need to interact with an increasing number ... -
A novel dissemination protocol to deploy opportunistic services in federated satellite systems
(Institute of Electrical and Electronics Engineers (IEEE), 2020-08-03)
Article
Open AccessThe Earth Observation community is demanding new satellite applications that cover the need of monitoring different areas with high spatial resolution and short revisit times. These applications will generate huge amounts ... -
A novel power efficient location-based cooperative routing with transmission power-upper-limit for wireless sensor networks
(2013-05-15)
Article
Open AccessThe extensive usage of wireless sensor networks (WSNs) has led to the development of many power- and energy-efficient routing protocols. Cooperative routing in WSNs can improve performance in these types of networks. In ... -
A presence-aware smart home system (PASH)
(2011-06-08)
Article
Restricted access - publisher's policyWireless Sensor Networks are providing tremendous benefit for a number of industries. A subset of sensed data collected by these networks is presence information. A smart home control system can be designed based on presence ... -
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 two-way radio communication across a multi-hop wireless sensor network based on a commercial IEEE 802.15.4 compliant platform
(Elsevier, 2012)
Conference lecture
Open AccessWireless Sensor Networks, and especially IEEE 802.15.4, are originally defined for low cost applications, with low bit rates and power restrictions in mind. However, the ubiquity of the nodes and their easy connectivity ... -
Adding QoS support for timeliness to the observe extension of CoAP
(2012)
Conference report
Restricted access - publisher's policyIn this paper, we propose a modification of the observe extension of CoAP to include Quality of Service (QoS) support for timeliness. The proposed QoS support is based on delivery priority. Nodes are able to express the ... -
An alternative to IEEE 802.11ba: wake-up radio with legacy IEEE 802.11 transmitters
(Institute of Electrical and Electronics Engineers (IEEE), 2019-04-09)
Article
Open AccessCurrent standardization process for Wake-up Radio (WuR) within the IEEE 802.11 Working Group, known as the IEEE 802.11ba, has brought interest to the IEEE 802.11-related technologies for the implementation of WuR systems. ... -
An extension to 11ba: legacy IEEE 802.11 transmitter solution for 802.11ba receivers
(2019-01-15)
Research report
Open Access -
An improvement over TCP Vegas to enhance its performance in optical burst switching networks
(2021-04-01)
Article
Open AccessThe demand for high bandwidth on the Internet is growing drastically, and one of the solutions for tackling this problem is using optical networks. Burst switching is one of the techniques that can be used in optical ... -
Analytical model of large data transactions in CoAP networks
(2014-08-01)
Article
Open AccessWe propose a novel analytical model to study fragmentation methods in wireless sensor networks adopting the Constrained Application Protocol (CoAP) and the IEEE 802.15.4 standard for medium access control (MAC). The blockwise ... -
Aplicación de métodos de compresión de cabeceras TCP/IP como optimización de las comunicaciones móviles
(Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 2003)
Article
Open AccessEl protocolo TCP (Transmission Control Protocol) está implementado para actuar en redes fija s, donde las incidencias en la comunicación pueden interpreta rse como problemas de con ges tión. En entornos móviles, en ... -
Assessing LoRa for satellite-to-Earth communications considering the impact of Ionospheric Scintillation
(Institute of Electrical and Electronics Engineers (IEEE), 2020-09-07)
Article
Open AccessSince the appearance of 5G, Internet of Things (IoT) has gained an increased interest, with multiple technologies emerging and converging to cover different user needs. One of the biggest challenges today is to have global ... -
Assessment of satellite contacts using predictive algorithms for autonomous satellite networks
(Institute of Electrical and Electronics Engineers (IEEE), 2020-05-28)
Article
Open AccessUpcoming Low Earth Orbit Satellite Networks will provide low-latency and high downlink capacity necessary for future broadband communications and Earth Observation missions. This architecture was proposed at the beginning ... -
Benefits of using mobile ad-hoc network protocols in federated satellite systems for polar satellite missions
(Institute of Electrical and Electronics Engineers (IEEE), 2018-09-19)
Article
Open AccessThe Operational Network of Individual Observation Nodes (ONION) project evaluated the benefits of applying Distributed Satellite System (DSS) architectures to Earth Observation. One of its outcomes is the identification ... -
³Cat-4 Mission: a 1-unit cubesat for earth observation with a L-band radiometer and a GNSS-reflectometer using software defined radio
(2019)
Conference lecture
Restricted access - publisher's policyGlobal Navigation Satellite System Reflectometry and L-band microwave radiometry have been used for soil moisture, biomass, and cryosphere studies. Combining both technologies in a low-power and cost-effective solution ... -
Challenges on the way of implementing TCP over 5G networks
(Institute of Electrical and Electronics Engineers (IEEE), 2020-09-24)
Article
Open Access5G cellular communication, especially with its hugely available bandwidth provided by millimeter-wave, is a promising technology to fulfill the coming high demand for vast data rates. These networks can support new use ... -
Competition: interference-aware multi-channel cross layer protocol for energy-efficient and low-delay networking
(Association for Computing Machinery (ACM), 2016)
Conference lecture
Restricted access - publisher's policyThis document aims to present the general ideas and methodology that are planned to be used for the EWSN 2016 Dependability Competition by the Wireless Networks Group of Universitat Politecnica de Catalunya. We designed, ... -
Constrained Application Protocol (CoAP) over Bundle Protocol (BP)
(2024-03-02)
Research report
Open AccessThe Bundle Protocol (BP) was designed to enable end-to-end communication in challenged networks. The Constrained Application Protocol (CoAP), which was designed for constrained-node networks, may be a suitable application-layer ...
